CN210435326U - Milling head body casting mold box for preventing casting from leaking - Google Patents
Milling head body casting mold box for preventing casting from leaking Download PDFInfo
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- CN210435326U CN210435326U CN201920872961.XU CN201920872961U CN210435326U CN 210435326 U CN210435326 U CN 210435326U CN 201920872961 U CN201920872961 U CN 201920872961U CN 210435326 U CN210435326 U CN 210435326U
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- casting
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- casting mold
- box body
- leakage
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- 238000005266 casting Methods 0.000 title claims abstract description 129
- 238000003801 milling Methods 0.000 title claims abstract description 12
- 239000004576 sand Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052742 iron Inorganic materials 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides a milling head body casting mould box with casting leakage prevention, which comprises a box body, a casting mould, a pouring gate and a feeding head; the casting mould that is the tube-shape is vertical to be set up inside the box, and the top and the bottom of casting mould support respectively and lean on the top surface and the bottom surface at the box, and the bottom of casting mould is the pressure-bearing portion, waters for the intercommunication pipeline, and the one end of watering communicates the top surface of box and stretches out the box, and the other end is connected in the bottom of pressure-bearing portion, and the feeding head passes the top surface of box and communicates the box outside. The casting adopts a layer-by-layer solidification mode in the solidification process, so that the shrinkage porosity phenomenon of the casting can be effectively solved, and the problem of casting leakage can be solved. The cooling speed of partial castings on the same horizontal plane is the same in the vertically placed casting mold, so that the entire structure of the castings is uniform, and the problem of leakage caused by nonuniform compactness of different parts of the castings can be solved.
Description
Technical Field
The utility model relates to a foundry goods mould case especially relates to a milling head body foundry goods mould case of foundry goods antiseep.
Background
Many parts in machine tool castings need to bear certain oil pressure, the internal structure of the castings needs to be compact and uniform, if the castings have shrinkage porosity or shrinkage cavities, the parts can generate leakage under the action of the oil pressure, so that the parts are scrapped, the production period is influenced, and the production cost is increased. The casting of lathe is cast in the casting mould case, and in traditional casting mould case, the casting mould was violently put in the case, and the compactness of two parts material is inhomogeneous about the casting, and the internal structure shrinkage porosity is serious at the upper box of casting case, can produce the seepage phenomenon when consequently the casting withstands the oil pressure, has seriously influenced the quality of casting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the leakage phenomenon occurs because the compactness of the cast casting which is cast out by the existing casting mould box is different, and providing a milling head body casting mould box for preventing the casting from leaking.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a milling head body casting mould box with a casting leakage-proof function comprises a box body, a casting mould, a pouring channel and a feeding head; the box body comprises a bottom surface and a top surface which are opposite, the casting mold is cylindrical and perpendicular to the bottom surface and is arranged inside the box body, the casting mold comprises a top end and a bottom end which are opposite, the top end and the bottom end are respectively abutted against the top surface and the bottom surface of the box body, the bottom end of the casting mold is a pressure bearing portion, the pouring gate is arranged inside the box body and is a communicating pipeline, one end of the pouring gate is communicated with the top surface of the box body and extends out of the box body, the other end of the pouring gate is connected with the bottom end of the pressure bearing portion, the feeding head is arranged at one end, opposite to the pressure bearing portion, of the casting mold, and the feeding head penetrates through the top surface of the box body and is communicated with the.
Preferably, the top surface of the box body is of a detachable structure, a parting surface is arranged at the top end of the casting mold, the parting surface is tightly attached to the lower portion of the top surface, and the top end of the casting mold is located in the same sand mold of the parting surface.
Preferably, the casting mould is an integrally cast one-piece wooden mould.
Preferably, one casting mold is provided in each case.
Preferably, the outer wall of the pressure bearing part is cylindrical, and the diameter of the outer wall of the pressure bearing part is larger than the diameter of the top end of the casting mold.
Preferably, the pouring channel comprises a straight pouring channel and an inner pouring channel, the straight pouring channel is perpendicular to the top surface of the box body, one end of the straight pouring channel is positioned outside the box body, and the other end of the straight pouring channel is positioned inside the box body; the inner pouring gate is communicated with the straight pouring gate, and one end of the inner pouring gate is communicated with the pressure bearing part along the bottom surface of the box body.
Preferably, the number of the ingates is 2, and the 2 ingates are symmetrical with each other about the central axis of the bearing part.
Preferably, the number of the feeding heads is 2, and the 2 feeding heads are symmetrically arranged at the top end of the casting mold.
Compared with the prior art, the beneficial effects of the utility model are that:
the casting mold in the box body is vertically placed instead of horizontally placed, the pressure bearing part of the casting mold is positioned at the bottom of the box body, the pouring gate is connected with the pressure bearing part of the casting mold, the casting adopts a layer-by-layer solidification mode in the solidification process, molten iron at the lowest end is solidified first, and the molten iron which is not solidified above the casting mold is fed under the action of gravity, so that the casting shrinkage porosity phenomenon can be effectively solved, and the problem of casting leakage is favorably solved. The cooling speed of partial castings on the same horizontal plane is the same in the vertically placed casting mold, so that the entire structure of the castings is uniform, and the problem of leakage caused by nonuniform compactness of different parts of the castings can be solved.
Drawings
FIG. 1 is a schematic front structural view of a casting mold box of a leak-proof milling head body for castings;
fig. 2 is a side structure schematic diagram of a casting leakage-proof milling head body casting mold box.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 and fig. 2 in combination, the utility model provides a milling head body casting mold 2 box for preventing casting leakage, which comprises a box body 1, a casting mold 2, a pouring gate 3 and a feeding head 4;
the box 1 includes relative bottom surface 12 and top surface 11, be 2 perpendicular to bottom surfaces 12 of casting mould 2 of tube-shape and set up inside box 1, casting mould 2 includes relative top 21 and bottom 22 and top 21 and bottom 22 support respectively and lean on top surface 11 and bottom surface 12 at box 1, bottom 22 of casting mould 2 is pressure-bearing portion 23, water 3 and set up inside box 1, water 3 and be the intercommunication pipeline, water 3 one end intercommunication box 1's top surface 11 and stretch out box 1, water 3 other end connection at the bottom 22 of pressure-bearing portion 23, feeding head 4 sets up the one end relative with pressure-bearing portion 23 at casting mould 2, feeding head 4 passes box 1's top surface 11 and communicates the box 1 outside.
The casting mold 2 is a milling head body casting mold 2, the whole casting mold 2 can be cylindrical, one end of the casting mold 2 is a pressure-bearing portion 23, and the pressure-bearing portion 23 of the casting is used for bearing the pressure of liquid when in use. Because the casting compactness of the lower half part of the box body 1 is better than that of the upper half part, the bearing part 23 is arranged on the lower half part of the box body 1 and is abutted against the bottom surface 12 of the box body 1; the utility model discloses with the vertical placing of foundry goods model in box 1, compare and place in the level, the refrigerated speed is the same on the same horizontal plane of molten iron in the vertical foundry goods mould 2 of placing, and the molten iron of lower extreme solidifies at first, and the molten iron that the upper end has not solidified yet is fed it under the effect of gravity, consequently can solve the phenomenon of the microcosmic shrinkage porosity of tip under the foundry goods well, can prevent to a certain extent simultaneously that foundry goods compactness is inhomogeneous, leads to the seepage. Furthermore, the utility model discloses a feeding head 4 is at the top surface 11 of box 1, and this makes feeding head 4's pressure increase, can carry out the feeding to the foundry goods more effectively.
Preferably, the top surface 11 of the box body 1 is a detachable structure, the top end 21 of the casting mold 2 is provided with a parting surface 24, and the parting surface 24 is tightly attached to the lower part of the top surface 11, so that the casting demolding is facilitated; the top end 21 of the casting mold 2 is positioned in the same sand mold of the parting surface 24, so that the box staggering and the generation of larger gaps and burrs can be avoided.
Preferably, the casting mold 2 is an integrally cast integral wood mold, which can ensure the precise overall dimension of the casting, is favorable for maintaining the casting tightness during casting, and can better solidify from bottom to top in the casting process to ensure the good compactness of the casting.
Preferably, a casting mold 2 is arranged in each box body 1, a one-box-one-piece process is adopted, and only one casting mold 2 is arranged in one box body 1, so that a good sealing environment can be ensured, and the casting and demolding operations are facilitated.
Preferably, the outer wall of the pressure-bearing portion 23 is cylindrical, the diameter of the outer wall of the pressure-bearing portion 23 is larger than the diameter of the top end 21 of the casting mold 2, the outer wall of the pressure-bearing portion 23 can be formed by integrally connecting cylinders with different diameters up and down, namely, the outer wall of the pressure-bearing portion 23 can be a step-shaped circular table, and the diameter of the outer wall of the pressure-bearing portion 23 is larger than the diameter of the top end 21 of the casting mold 2, so that the pressure-bearing portion is also beneficial to bearing.
In one embodiment, the pouring gate 3 comprises a straight pouring gate 31 and an inner pouring gate 32, the straight pouring gate 31 is perpendicular to the top surface 11 of the box body 1, one end of the straight pouring gate 31 is positioned outside the box body 1, and the other end is positioned inside the box body 1; the ingate 32 communicates with the sprue 31, and one end of the ingate 32 communicates with the pressure receiving portion 23 along the bottom surface 12 of the case 1. During casting, molten iron is poured from the sprue 31 into the ingate 32, and flows along the ingate 32 into the pressure receiving portion 23 of the casting mold 2 to be cast. Further, the number of the ingates 32 is 2, and the 2 ingates 32 are symmetrical to each other about the central axis of the pressure receiving portion 23. The 2 ingates 32 are symmetrical to each other, so that the casting can be faster and more uniform during casting, and the solidified casting part at the lower layer can be fed by effectively utilizing the unset molten iron at the upper layer.
Preferably, the number of feeding heads 4 is 2, and 2 feeding heads 4 are symmetrically arranged at the top end 21 of the casting mold 2. The feeding head 4 is arranged at the top end 21 of the casting mold 2, the feeding head 4 is arranged at the top, the pressure of the feeding head 4 is increased, and the casting can be fed more effectively.
By last, change casting mold 2 in box 1 into by violently putting and put vertically, casting mold 2's pressure-bearing portion 23 is located box 1's bottom to water 3 and be connected with casting mold 2's pressure-bearing portion 23, the foundry goods adopts the successive layer mode of solidifying at the in-process that solidifies, and the iron liquid of lower extreme solidifies at first, and the iron liquid that the top has not solidified is to its feeding under the effect of gravity, can effectively solve the foundry goods shrinkage porosity phenomenon, is favorable to solving the problem of foundry goods seepage. The cooling speed of the part of the casting on the same horizontal plane of the vertically placed casting mold 2 is the same, so that the whole structure of the casting is uniform, and the problem of leakage caused by nonuniform compactness of different parts of the casting can be solved.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (8)
1. A milling head body casting mould box for preventing casting leakage is characterized by comprising a box body, a casting mould, a pouring gate and a feeding head; the box body comprises a bottom surface and a top surface which are opposite, the casting mold is cylindrical and perpendicular to the bottom surface and is arranged inside the box body, the casting mold comprises a top end and a bottom end which are opposite, the top end and the bottom end are respectively abutted against the top surface and the bottom surface of the box body, the bottom end of the casting mold is a pressure bearing portion, the pouring gate is arranged inside the box body and is a communicating pipeline, one end of the pouring gate is communicated with the top surface of the box body and extends out of the box body, the other end of the pouring gate is connected with the bottom end of the pressure bearing portion, the feeding head is arranged at one end, opposite to the pressure bearing portion, of the casting mold, and the feeding head penetrates through the top surface of the box body and is communicated with the.
2. The casting leakage-proof milling head body casting mold box according to claim 1, wherein the top surface of the box body is of a detachable structure, a parting surface is arranged at the top end of the casting mold, the parting surface is tightly attached to the lower portion of the top surface, and the top end of the casting mold is located in the same sand mold of the parting surface.
3. The casting anti-leakage mill body casting mold box of claim 1, wherein the casting mold is an integrally cast one-piece wood mold.
4. The casting leakage-proof mill head body casting mold box of claim 1, wherein one casting mold is provided in each box.
5. The casting leakage-proof mill head body casting mold box according to claim 1, wherein the outer wall of the pressure-bearing portion is cylindrical, and the diameter of the outer wall of the pressure-bearing portion is larger than the diameter of the top end of the casting mold.
6. The casting leakage-proof mill body casting mold box according to claim 1, wherein the runner comprises a sprue and an ingate, the sprue is perpendicular to the top surface of the box body, and one end of the sprue is located outside the box body and the other end of the sprue is located inside the box body; the inner pouring gate is communicated with the straight pouring gate, and one end of the inner pouring gate is communicated with the pressure bearing part along the bottom surface of the box body.
7. The casting leakage-proof mill body casting mold box according to claim 6, wherein the number of the ingates is 2, and the 2 ingates are symmetrical to each other about the central axis of the pressure-bearing part.
8. The casting leakage-proof mill head body casting mold box of claim 1, wherein the number of feeding heads is 2, and 2 feeding heads are symmetrically arranged at the top end of the casting mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872961.XU CN210435326U (en) | 2019-06-12 | 2019-06-12 | Milling head body casting mold box for preventing casting from leaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872961.XU CN210435326U (en) | 2019-06-12 | 2019-06-12 | Milling head body casting mold box for preventing casting from leaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210435326U true CN210435326U (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920872961.XU Expired - Fee Related CN210435326U (en) | 2019-06-12 | 2019-06-12 | Milling head body casting mold box for preventing casting from leaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210435326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324449A (en) * | 2021-12-29 | 2022-04-12 | 重庆大学 | Novel casting mold testing device and shrinkage porosity control method thereof |
-
2019
- 2019-06-12 CN CN201920872961.XU patent/CN210435326U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324449A (en) * | 2021-12-29 | 2022-04-12 | 重庆大学 | Novel casting mold testing device and shrinkage porosity control method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 |