CN212285798U - Sand core positioning device for wind power hub castings - Google Patents
Sand core positioning device for wind power hub castings Download PDFInfo
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- CN212285798U CN212285798U CN202021018584.2U CN202021018584U CN212285798U CN 212285798 U CN212285798 U CN 212285798U CN 202021018584 U CN202021018584 U CN 202021018584U CN 212285798 U CN212285798 U CN 212285798U
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Abstract
The invention discloses a wind power hub casting sand core positioning device, relates to the technical field of wind power hub casting, and particularly relates to a positioning auxiliary device for a hub casting sand core in the wind power industry. The method comprises the following steps: six T-shaped positioning frames with the same structure; the T-shaped positioning frame is made of wood plates and has a T-shaped frame body structure with a certain thickness. The T-shaped positioning frame is placed between the outer shape and the ball core, and gaps of 1-3mm are respectively reserved between the T-shaped positioning frame and the flange surfaces of the outer shape and the ball core. Two T-shaped positioning frames are arranged between the outer shape and each side edge of the ball core to ensure that the ball core is not eccentric, and the sample plate is taken out after the ball core falls to the bottom. The problems in the prior art are solved: the bottom core print is subjected to angle cutting positioning to form sand holes, and the positioning precision of the core is poor; the positioning structure of the derrick has the problems of large size, inconvenient use, large occupied storage space and the like.
Description
Technical Field
The invention discloses a wind power hub casting sand core positioning device, relates to the technical field of wind power hub casting, and particularly relates to a positioning auxiliary device for a hub casting sand core in the wind power industry.
Background
At present, the center ball core of a hub casting in the wind power industry adopts bottom core head cutting angle positioning or a parting surface to place a # -shaped positioning sample plate to realize core setting positioning, but the bottom core head cutting angle positioning cannot be seen when the core is set, the core gap needs to be large to prevent sand smearing to form sand holes, and thus the positioning precision of the core is poor. And well style of calligraphy location model is placed to die joint department, and because the model is the frame construction size great, the model storage occupies a space great and uses inconveniently.
Aiming at the problems in the prior art, a novel sand core positioning device for wind power hub castings is researched and designed, so that the problem in the prior art is very necessary.
Disclosure of Invention
The bottom core print cutting angle positioning proposed according to the prior art can form sand holes and the positioning precision of the core is poor; the technical problems that the size of a positioning structure of the derrick is large, the use is inconvenient, the occupied storage space is large and the like are solved, and the sand core positioning device for the wind power hub casting is provided. The invention mainly utilizes the T-shaped positioning frame with simple and small structure to support and position the shape and the ball core, thereby achieving the effects of simple structure, convenient storage and high positioning precision.
The technical means adopted by the invention are as follows:
a wind power wheel hub class foundry goods psammitolite positioner includes: six T-shaped positioning frames with the same structure;
furthermore, the T-shaped positioning frame is made of a wooden plate and has a T-shaped frame body structure with a certain thickness.
Furthermore, a T-shaped positioning frame is arranged between the outer shape and the ball core, and gaps of 1-3mm are respectively reserved between the T-shaped positioning frame and the flange surfaces of the outer shape and the ball core and are arranged between the outer shape and the ball core for positioning the ball core at the middle position and ensuring that the ball core is not eccentric.
Furthermore, two T-shaped positioning frames are arranged between the shape and each side edge of the ball core to ensure that the ball core is not eccentric, and the sample plate is taken out after the ball core falls to the bottom.
The use method of the utility model comprises the following steps:
the method comprises the following steps: fixing the lower mold of the casting;
step two: lifting and leveling the lower spherical core, lifting the lower spherical core into the lower mold, placing a T-shaped positioning frame between the lower mold and the lower spherical core when the upper plane of the lower spherical core is 50-100mm higher than the upper plane of the lower mold, then lifting the lower spherical core to the bottom, and taking out the T-shaped positioning frame after positioning; therefore, the distance between the ball core and the periphery of the outer shape can be ensured to be consistent, the peripheral wall thickness inconsistency caused by the eccentricity of the ball core can be avoided, and the problem that the stable operation of the fan is influenced by the gravity center shift caused by the wall thickness deviation of three sides of a casting is avoided;
step three: lifting and leveling the side core, lifting the side core into the lower mold, positioning the side core in the lower mold by a seam allowance, positioning the side core by the seam allowance when the side core is lifted, arranging a sand filling groove between the side core and the lower mold, filling sand in the sand filling groove after the side core is lifted into the lower mold, and preventing the side core from moving outwards; the sand filling groove is positioned and designed through the edge core seam allowance, so that the wall thickness of the three-side web plate can be ensured to be consistent;
step four: the upper ball core is hung and placed on the lower ball core, and the upper ball core is positioned by utilizing the peripheral outline;
step five: the upper mold is combined with the lower mold according to the core print of the ball core.
Compared with the prior art, the invention has the following advantages:
1. according to the sand core positioning device for the wind power hub casting, the T-shaped positioning frame simplifies the positioning sample plate structure;
2. the sand core positioning device for the wind power hub casting improves the practicability and convenience;
3. the sand core positioning device for the wind power hub casting improves the sand mold positioning precision;
4. the sand core positioning device for the wind power hub casting provided by the invention has the advantages that the sand core positioning device is firmly supported, so that sand holes are prevented from being formed;
5. the sand core positioning device for the wind power hub casting provided by the invention is small in size and convenient to store.
In conclusion, the technical scheme of the invention solves the problems in the prior art that: the bottom core print is subjected to angle cutting positioning to form sand holes, and the positioning precision of the core is poor; the positioning structure of the derrick has the problems of large size, inconvenient use, large occupied storage space and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be 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 creative efforts.
FIG. 1 is a schematic view of a T-shaped positioning frame according to the present invention;
FIG. 2 is a schematic view of the assembly structure of the lower mold, the lower ball core and the T-shaped positioning frame of the present invention;
FIG. 3 is a schematic view of the lower core, side core and lower core assembly of the present invention;
FIG. 4 is a schematic view of the assembly structure of the lower mold, the side core, the lower ball core and the upper ball core according to the present invention;
FIG. 5 is a schematic view of the assembly structure of the lower mold, the side core, the lower ball core, the upper ball core and the upper mold of the present invention.
In the figure: 1. t-shaped positioning frame 2, outer form 21, lower form 22, upper form 3, ball core 31, lower ball core 32, upper ball core 4, side core 5 and sand filling groove.
Detailed Description
It should be noted that 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 embodiments with reference to the attached drawings.
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 drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of an exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 exemplary embodiments according to 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.
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 unless specifically stated otherwise. 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 is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered 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 the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in the figure, the invention provides a sand core positioning device for a wind power hub casting, which comprises: six T-shaped positioning frames 1 with the same structure;
the T-shaped positioning frame 1 is made of wood plates and has a T-shaped frame body structure with a certain thickness.
The T-shaped positioning frame 1 is placed between the outer shape 2 and the ball core 3, and 1mm gaps are respectively reserved between the T-shaped positioning frame 1 and the flange surfaces of the outer shape 2 and the ball core 3.
Two T-shaped positioning frames 1 are arranged between the outer shape 2 and each side edge of the ball core 3.
The use method of the utility model comprises the following steps:
the method comprises the following steps: fixing the lower casting 21;
step two: lifting and leveling the lower ball core 31, lifting the lower ball core into the lower mold 21, placing the T-shaped positioning frame 1 between the lower mold 21 and the lower ball core 31 when the upper plane of the lower ball core 31 is 50-100mm higher than the upper plane of the lower mold 21, then lifting the lower ball core 31 to the bottom, and taking out the T-shaped positioning frame 1 after positioning;
step three: lifting and leveling the side core 4, lifting the side core into the lower mold 21, positioning the side core in the lower mold 21 by a seam allowance, positioning the side core 4 by the seam allowance when the side core is lifted, arranging a sand filling groove 5 between the side core 4 and the lower mold 2, filling sand in the sand filling groove 5 after the side core 4 is lifted into the lower mold 2, and preventing the side core 4 from moving outwards;
step four: the upper core 32 is hung and placed on the lower core 31, and is positioned by utilizing the peripheral outline;
step five: the upper mold 22 is combined with the lower mold 21 based on the core print of the core 3.
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 the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a wind-powered electricity generation wheel hub class foundry goods psammitolite positioner, its characterized in that, wind-powered electricity generation wheel hub class foundry goods psammitolite positioner include: six T-shaped positioning frames (1) with the same structure;
the T-shaped positioning frame (1) is made of a wood plate and has a T-shaped frame body structure with a certain thickness.
2. The sand core positioning device for the wind power hub casting according to claim 1, wherein the T-shaped positioning frame (1) is placed between the outer shape (2) and the ball core (3), and a gap of 1-3mm is respectively reserved between the T-shaped positioning frame (1) and the flange surfaces of the outer shape (2) and the ball core (3).
3. The sand core positioning device for the wind power hub casting according to claim 2, wherein two T-shaped positioning frames (1) are arranged between the outer shape (2) and each side edge of the ball core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021018584.2U CN212285798U (en) | 2020-06-05 | 2020-06-05 | Sand core positioning device for wind power hub castings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021018584.2U CN212285798U (en) | 2020-06-05 | 2020-06-05 | Sand core positioning device for wind power hub castings |
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| CN212285798U true CN212285798U (en) | 2021-01-05 |
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| CN202021018584.2U Active CN212285798U (en) | 2020-06-05 | 2020-06-05 | Sand core positioning device for wind power hub castings |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515352A (en) * | 2020-06-05 | 2020-08-11 | 大连华锐重工铸业有限公司 | Wind power hub casting sand core positioning device and using method thereof |
| CN114799078A (en) * | 2022-04-01 | 2022-07-29 | 宁波日星铸业有限公司 | Mold for manufacturing fan hub |
| CN117696835A (en) * | 2023-11-07 | 2024-03-15 | 广东金志利科技股份有限公司 | Casting method and casting device for casting of injection molding machine |
-
2020
- 2020-06-05 CN CN202021018584.2U patent/CN212285798U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515352A (en) * | 2020-06-05 | 2020-08-11 | 大连华锐重工铸业有限公司 | Wind power hub casting sand core positioning device and using method thereof |
| CN111515352B (en) * | 2020-06-05 | 2024-02-27 | 大连华锐重工铸业有限公司 | Sand core positioning device for wind power hub castings and application method of sand core positioning device |
| CN114799078A (en) * | 2022-04-01 | 2022-07-29 | 宁波日星铸业有限公司 | Mold for manufacturing fan hub |
| CN114799078B (en) * | 2022-04-01 | 2024-02-23 | 宁波日星铸业有限公司 | Die for manufacturing fan hub |
| CN117696835A (en) * | 2023-11-07 | 2024-03-15 | 广东金志利科技股份有限公司 | Casting method and casting device for casting of injection molding machine |
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