CN216046821U - Anti-deformation structure of symmetrical casting part - Google Patents
Anti-deformation structure of symmetrical casting part Download PDFInfo
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- CN216046821U CN216046821U CN202122329286.6U CN202122329286U CN216046821U CN 216046821 U CN216046821 U CN 216046821U CN 202122329286 U CN202122329286 U CN 202122329286U CN 216046821 U CN216046821 U CN 216046821U
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- lacing wire
- horizontal extension
- casting
- castings
- vice
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- 238000005266 casting Methods 0.000 title claims abstract description 69
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- 238000005520 cutting process Methods 0.000 abstract description 9
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The casting comprises two horizontal extension parts and a vertical extension part connected between the inner side ends of the two horizontal extension parts, the two horizontal extension parts and the vertical extension part jointly enclose a C-shaped structure, the C-shaped openings of the two castings are opposite, and the outer side end of the horizontal extension part of each casting forms a connecting end face; the lacing wire includes the main lacing wire of vertical extension and the vice lacing wire of two horizontal extensions, and two vice lacing wires are located the both ends of main lacing wire respectively, and the vice lacing wire that is located the top links up between the horizontal extension portion connection terminal surface of two foundry goods tops, and the vice lacing wire that is located the below links up between the connection terminal surface of the horizontal extension portion of two foundry goods below. In the casting process, the used molten iron is relatively less, the purpose of preventing the casting from deforming can be achieved, the lacing wire is conveniently cut from the casting, and the cutting surface is positioned at the connecting end surface and is convenient to polish.
Description
Technical Field
The utility model relates to the technical field of casting, in particular to an anti-deformation structure of a symmetrical casting part.
Background
In the casting field, in order to improve the production efficiency of castings, a plurality of castings are usually molded simultaneously by using one sand mold, and in the pouring process, in order to enable molten iron to uniformly flow in a plurality of casting cavities, the cavities in the sand mold are usually arranged in a pairwise symmetry manner, that is, the molded castings are arranged in a symmetry manner; for some castings with special structures, when casting, a lacing wire position is required to be reserved in a cavity, as shown in fig. 1, two symmetrically arranged castings are provided with a C-shaped opening part, in the process of iron liquid solidification, the C-shaped opening part is turned outwards due to stress, therefore, the existing method is that the lacing wire 10 is arranged on the C-shaped opening part, namely, a vertical channel for connecting two ends of the C-shaped opening part is reserved in the cavity, iron liquid is poured into a casting cavity and is filled in the lacing wire position, after molding, the C-shaped opening part of the casting forms the lacing wire for connecting two ends of the C-shaped opening, so as to prevent the C-shaped opening part from turning outwards and opening, however, for two castings which are symmetrically arranged, the existing method is that the lacing wires are respectively arranged, when the lacing wire is cut after the casting is molded, more tangent planes are required to be implemented, the casting efficiency is affected, and the tangent planes are positioned at the inner edge of the C-shaped opening, the cutting degree of difficulty is great, is unfavorable for polishing, simultaneously, because two castings set up the lacing wire respectively, lead to the iron liquid that the casting process consumed more.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide an anti-deformation structure of a symmetrical casting, which can facilitate the cutting and polishing of the casting and simultaneously reduce the waste of molten iron.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the casting comprises two horizontal extension parts and a vertical extension part connected between the inner side ends of the two horizontal extension parts, the two horizontal extension parts and the vertical extension part jointly enclose a C-shaped structure, the C-shaped openings of the two castings are opposite, and the outer side end of the horizontal extension part of each casting forms a connecting end face;
the lacing wire includes the main lacing wire of vertical extension and the vice lacing wire of two horizontal extensions, and two vice lacing wires are located the both ends of main lacing wire respectively, and the vice lacing wire that is located the top links up between the horizontal extension portion connection terminal surface of two foundry goods tops, and the vice lacing wire that is located the below links up between the connection terminal surface of the horizontal extension portion of two foundry goods below.
The auxiliary lacing wire comprises an inner surface and an outer surface opposite to the inner surface, and the two ends of the main lacing wire are respectively connected to the middle parts of the length directions of the inner surfaces of the two auxiliary lacing wires.
The horizontal extension of the casting includes an inner edge surface and an outer edge surface opposite the inner edge surface, and the inner surface of the secondary tie bar is flush with the inner edge surface of the horizontal extension.
The thickness of the end face of the auxiliary lacing wire is smaller than that of the connecting end face of the horizontal extension part.
The outer surface of the auxiliary lacing wire is positioned at the inner side of the outer edge surface of the horizontal extension part.
The utility model has the beneficial effects that:
in the utility model, only one lacing wire is needed to be arranged between two castings, the used molten iron is relatively less in the casting process, meanwhile, the auxiliary lacing wires at the two ends of the lacing wire are respectively connected with the C-shaped openings of the two castings to prevent the C-shaped openings from gradually turning outwards and deforming, so that the purpose of preventing the castings from deforming can be achieved, the connecting position of the lacing wire and the castings is positioned at the connecting end face of the outer side end of the horizontal extension part, the lacing wire is conveniently cut from the castings, and the cutting surface is positioned at the connecting end face to facilitate polishing.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 2, the deformation-preventing structure for a symmetrical casting of the present invention comprises two castings 20 and a tie bar 30, the two castings 20 are symmetrically arranged, the casting 20 comprises two horizontal extending portions 22 and vertical extending portions 21 which are distributed up and down, wherein the vertical extending portion 21 is connected between the inner ends of the two horizontal extending portions 22, thereby the two horizontal extending portions 22 and the vertical extending portions 21 together enclose a C-shaped structure, the openings of the C-shaped structures of the two castings 20 are opposite, the outer end of each horizontal extending portion 22 on the two castings 20 forms a connecting end surface 223, the tie bar 30 is in an i-shaped structure, and comprises a main tie bar 31 which extends vertically and two auxiliary tie bars 32 which extend horizontally, the two auxiliary tie bars 32 are respectively connected to the upper end portion and the lower end portion of the main tie bar 31, the two end surfaces 323 of the auxiliary tie bar 32 above the two castings 20 are respectively connected to the connecting end surfaces 223 of the horizontal extending portions 22 above the two castings 20, both end surfaces 323 of the lower auxiliary tie bar 32 are respectively engaged with the engaging end surfaces 223 of the horizontal extension portions 22 below the two castings 20, that is, the end surfaces 323 of the auxiliary tie bar 32 are engaged with the engaging end surfaces 223 of the horizontal extension portions 22 at a height corresponding to the auxiliary tie bar 32.
In the utility model, only one lacing wire is needed to be arranged between two castings, the used molten iron is relatively less in the casting process, meanwhile, the auxiliary lacing wires at the two ends of the lacing wire are respectively connected with the C-shaped openings of the two castings to prevent the C-shaped openings from gradually turning outwards and deforming, so that the purpose of preventing the castings from deforming can be achieved, the connecting position of the lacing wire and the castings is positioned at the connecting end face of the outer side end of the horizontal extension part, the lacing wire is conveniently cut from the castings, and the cutting surface is positioned at the connecting end face to facilitate polishing.
In the utility model, the auxiliary lacing wire 32 has relatively small length size and comprises an inner surface 321 and an outer surface 322 opposite to the inner surface 321, two ends of the main lacing wire 31 are respectively connected with the middle parts of the length directions of the inner surfaces 321 of the two auxiliary lacing wires 32, so that the whole lacing wire 30 forms an I shape, the lacing wire 30 is connected with two sides of the C-shaped opening of the casting 20 by utilizing the auxiliary lacing wires 31, and the main lacing wire 31 bears vertical pulling force generated when the C-shaped opening of the casting 20 is turned outwards and deformed; in the actual casting process, the space reserved for the auxiliary tie bar 32 in the casting cavity should enable the auxiliary tie bar 32 to have a relatively small length dimension, and meanwhile, the auxiliary tie bar 32 can protrude to be communicated with the main tie bar 31 and the cavity of the casting 20.
The horizontal extension part 22 of the casting 20 comprises an inner edge surface 221 and an outer edge surface 222 opposite to the inner edge surface 221, and the inner surface 321 of the auxiliary tie bar 32 is flush with the inner edge surface 221 of the horizontal extension part 22, so that a relatively large contact area is formed between the auxiliary tie bar 32 and the horizontal extension part 22, and the strength of the joint of the auxiliary tie bar 32 and the horizontal extension part 22 is ensured. Meanwhile, the thickness of the end face 323 of the auxiliary tie bar 32 is smaller than the thickness of the connecting end face 223 of the horizontal extension part 22, so that the outer side of the connecting end face 223 of the horizontal extension part 22 is provided with a part protruding out of the outer surface 322 of the auxiliary tie bar 32, the protruding part of the connecting end face 223 forms a cutting reference surface, and when the horizontal extension part 22 and the auxiliary tie bar 32 are cut, cutting can be performed in the direction vertical to the auxiliary tie bar 32 according to the cutting reference surface, so that the processing precision of the casting is improved; in fact, the entire outer surface 322 of the secondary tie bar 32 may be located inside the outer edge surface 222 of the horizontal extension portion 22, and then one concave portion 33 may be formed outside the secondary tie bar 32 and the two horizontal extension portions 22, or of course, the outer surface 322 of the secondary tie bar 32 may be formed in a convex structure with a high middle and two ends, and the thickness of the end surface 323 of the secondary tie bar 32 may be smaller than the thickness of the connecting end surface 223 to form the cutting reference surface on the premise that the strength of the secondary tie bar 32 satisfies the requirement.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (5)
1. The anti-deformation structure of the symmetrical casting is characterized by comprising two castings and a lacing wire, wherein the castings comprise two horizontal extension parts and a vertical extension part connected between the inner side ends of the two horizontal extension parts, the two horizontal extension parts and the vertical extension part jointly enclose a C-shaped structure, the C-shaped structures of the two castings are opposite in opening, and the outer side end of the horizontal extension part of each casting forms a connecting end face;
the lacing wire includes the main lacing wire of vertical extension and the vice lacing wire of two horizontal extensions, and two vice lacing wires are located the both ends of main lacing wire respectively, and the vice lacing wire that is located the top links up between the horizontal extension portion connection terminal surface of two foundry goods tops, and the vice lacing wire that is located the below links up between the connection terminal surface of the horizontal extension portion of two foundry goods below.
2. A deformation preventing structure for a symmetrical casting according to claim 1, wherein the secondary tie bars include an inner surface and an outer surface opposite to the inner surface, and both ends of the primary tie bar are connected to the middle portions of the inner surfaces of the two secondary tie bars in the length direction, respectively.
3. A distortion-preventing structure for symmetrical castings according to claim 2, wherein the horizontal extension of the casting includes an inner edge surface and an outer edge surface opposite to the inner edge surface, and the inner surface of the secondary tie bar is flush with the inner edge surface of the horizontal extension.
4. A distortion-preventing structure for symmetrical castings according to claim 3, wherein the thickness of the end surface of the secondary tie bar is smaller than the thickness of the connecting end surface of the horizontal extension portion.
5. A distortion-preventing structure for symmetrical castings according to claim 3, wherein the outer surface of the secondary tie bars is located inside the outer edge surface of the horizontal extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122329286.6U CN216046821U (en) | 2021-09-24 | 2021-09-24 | Anti-deformation structure of symmetrical casting part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122329286.6U CN216046821U (en) | 2021-09-24 | 2021-09-24 | Anti-deformation structure of symmetrical casting part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216046821U true CN216046821U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122329286.6U Active CN216046821U (en) | 2021-09-24 | 2021-09-24 | Anti-deformation structure of symmetrical casting part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216046821U (en) |
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2021
- 2021-09-24 CN CN202122329286.6U patent/CN216046821U/en active Active
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