CN220049937U - Forming structure of water discharging and water injecting hole of water pump shell wax mould - Google Patents
Forming structure of water discharging and water injecting hole of water pump shell wax mould Download PDFInfo
- Publication number
- CN220049937U CN220049937U CN202321010540.9U CN202321010540U CN220049937U CN 220049937 U CN220049937 U CN 220049937U CN 202321010540 U CN202321010540 U CN 202321010540U CN 220049937 U CN220049937 U CN 220049937U
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- China
- Prior art keywords
- water
- hole
- injection hole
- wax mould
- silica gel
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 238000007599 discharging Methods 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000002347 injection Methods 0.000 claims abstract description 49
- 239000007924 injection Substances 0.000 claims abstract description 49
- 238000005266 casting Methods 0.000 claims abstract description 37
- 239000004576 sand Substances 0.000 claims abstract description 35
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 239000000741 silica gel Substances 0.000 claims abstract description 19
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 19
- 239000011159 matrix material Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 13
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 11
- 238000003860 storage Methods 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012612 commercial material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a forming structure of a water discharge and water injection hole of a water pump shell wax mould, which is characterized in that: the silica gel core rod forming device comprises a wax mould with the same shape as a water pump shell, wherein the wax mould is provided with a water discharging hole and a water injection hole, silica gel slurry is poured into the water discharging hole and the water injection hole, the end faces of the silica gel slurry, which are flush with the inner surface and the outer surface of the wax mould, are adhered with a sand shell for casting forming, and the adhered end faces are used as supports for forming silica gel core rods after the silica gel slurry is solidified; after the forming structure of the water drain hole and the water injection hole of the water pump shell wax mould is used, the water drain hole and the water injection hole of the water pump shell do not need to be machined in subsequent procedures, so that the procedures are simplified, and the manufacturing cost is relatively reduced.
Description
Technical field:
the utility model relates to a forming structure of a water discharging and injecting hole of a water pump shell wax mould.
The background technology is as follows:
at present, when a water pump shell with the size smaller than 300 mm is manufactured, a wax mould casting process is generally adopted, namely, firstly, a mould for manufacturing a workpiece by using aluminum is firstly used, then wax is injected into the mould, the wax mould is taken out after the wax is cooled, at the moment, the wax mould is consistent with the size of a real object, then, the surface of the wax mould is stained with sand and is adhered to a certain thickness, the sand-stained wax mould is put into water to cook the wax after being adhered to the sand-stained wax mould, finally, a sand shell is left after the wax is boiled, finally, the sand shell is buried into a casting sand pit, molten iron is poured along the sand shell, and finally, the molten iron left in the sand mould is cooled, so that a pump shell is manufactured, and the casting is the water pump shell.
When the water pump shell is used in the production and use area with the temperature lower than zero ℃ at night, a water injection hole and a water discharge hole are arranged on the water pump shell, the water discharge hole discharges water in the water pump shell completely when the water pump is not used at night so as to avoid the water pump shell from being broken by water storage and ice formation, and the water injection hole injects water in advance from the water injection hole before the water pump is used; in the past, the water injection hole and the water discharge hole are manufactured by machining in the later stage when the water pump shell is cast, and the production process is long, the machining cost is increased, and the like.
At present, the Chinese patent is searched for a water pump housing, publication number CN113446262A, the water pump housing comprises a water storage tank of the water pump housing, a water storage cavity is positioned in the water storage tank, at least one concave part which is concave inwards is arranged on the outer surface of the water storage tank, a stress part which is convex towards the water storage cavity is formed on the inner side of the concave part corresponding to the water storage tank, the water pump housing is provided with the concave part and the stress part, the extrusion force of the water after the gradual icing volume expansion acts on the stress part to buffer the pressure increased in the water storage cavity through the elastic deformation of the stress part, and the water storage cavity can accommodate the volume increased after the water icing, so that the water pump housing is prevented from being scrapped due to frost cracking, the water pump housing is prevented from becoming a consumable for one year under a severe cold environment, and resources are saved.
But this patent cannot solve the problems of long production process of water injection holes and water discharge holes and increased machining cost.
The utility model comprises the following steps:
in view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a forming structure of a water discharging and water injecting hole of a water pump casing wax mould, which has reasonable design and is beneficial to one-time casting forming in the process of manufacturing the water pump casing.
The utility model relates to a forming structure of a water discharging and injecting hole of a water pump shell wax mould, which is characterized in that: the silica gel core rod forming device comprises a wax mould with the same shape as a water pump shell, wherein the wax mould is provided with a water discharging hole and a water injection hole, silica gel slurry is poured into the water discharging hole and the water injection hole, the end faces of the silica gel slurry, which are flush with the inner surface and the outer surface of the wax mould, are adhered with a sand shell for casting forming, and the adhered end faces are used as supports for forming silica gel core rods after the silica gel slurry is solidified.
Further, the wax mould is provided with a water inlet pipeline and a water outlet pipeline, the axis of the water discharging hole is perpendicular to the axis of the water outlet pipeline, and the water discharging hole is communicated with the water outlet pipeline.
Further, the axis of the water injection hole is perpendicular to the axis of the water inlet pipeline, and the water injection hole is communicated with the water inlet pipeline.
Further, the water injection hole and the water discharge hole are parallel to each other.
Further, the water injection hole and the water discharge hole are provided with internal threads close to the outer surface of the wax mould.
The process of making the water pump shell comprises the steps of firstly using aluminum to manufacture a section mould of a workpiece, then injecting wax into the section mould, taking out the wax mould after the wax is cooled, wherein the size of the wax mould is basically consistent with that of the water pump shell (at the moment, the wax mould is provided with a water injection hole and a water discharge hole), then pouring thick silica gel slurry (the silica gel slurry is relatively thick and cannot overflow to the outside of the hole) into the water injection hole and the water discharge hole, filling sand to the surface of the wax mould until the surface of the wax mould is stained with sand (the inner end surface and the outer end surface of the water injection hole are also stained with sand, the sand and the silica gel slurry are solidified to form a rigid structure), and after the casting sand on the surface of the wax mould is bonded and solidified (at the moment, the silica gel slurry is solidified), placing the wax mould stained with sand into water, and finally leaving a sand shell (the silica gel slurry after the solidification is high temperature resistant to about the degree centigrade, the water is not melted, the position of the water injection hole and the water discharge hole is the solid silica gel core rod in the sand shell), finally pouring the sand shell into the casting, and pouring the molten iron core rod is arranged in the water casting hole or the water casting hole, and the position is the water casting hole, and the molten iron core rod is still arranged in the water casting hole or the water casting hole, and the position is the water casting hole, and the molten iron casting hole is the water casting hole, and the molten iron core rod is finally, the molten aluminum casting hole, and the molten iron is finally the molten aluminum casting hole, and the molten aluminum casting hole is the molten aluminum casting hole and the molten aluminum.
After the forming structure of the water drain hole and the water injection hole of the water pump shell wax mould is used, the water drain hole and the water injection hole of the water pump shell do not need to be machined in subsequent procedures, so that the procedures are simplified, and the manufacturing cost is relatively reduced.
Description of the drawings:
the utility model is further described with reference to the drawings;
FIG. 1 is a perspective view of a view of the present utility model;
FIG. 2 is a perspective view of a view of the present utility model;
FIG. 3 is a top half-sectional view of the present utility model;
fig. 4 is a front semi-sectional view of the present utility model.
The specific embodiment is as follows:
the utility model is further described below with reference to the drawings and the detailed description.
The forming structure of the water discharging and water injecting hole of the water pump shell wax mould comprises a wax mould 1 with the same shape as the water pump shell, and the shape of the wax mould 1 is the same as the shape of the water pump shell to be manufactured, but the size of the water pump shell is slightly larger due to casting shrinkage.
The wax mould 1 is provided with a water drain hole 2 and a water injection hole 3, the water drain hole 2 and the water injection hole 3 on the wax mould 1 can be made by a core rod arranged on the mould, the water drain hole 2 and the water injection hole 3 are filled with silica sol slurry 4, and the silica sol slurry 4 is silica sol which is the existing commercial material.
The end surfaces of the silica sol slurry, which are flush with the inner surface and the outer surface of the wax mold, are adhered with sand shells for casting molding, the adhered end surfaces 5 are used as supports for forming silica sol core rods after the silica sol slurry is solidified, and the end surfaces of the silica sol slurry, which are flush with the inner surface and the outer surface of the wax mold, are adhered end surfaces 5, namely the surfaces of the water drain holes 2 and the water injection holes 3, which are intersected with the inner surface and the outer surface of the wax mold; after the silica sol slurry 4 is poured into the water drain hole 2 and the water injection hole 3, when the silica sol slurry 4 is not solidified, sand is dipped on the inner end surface and the outer end surface of the water drain hole 2 and the water injection hole 3, sand is dipped and solidified to form a sand shell after the sand is dipped to a certain thickness, and the silica sol slurry is solidified to form a silica sol core rod which forms a rigid support with the sand shell.
In order to be reasonable in design, the wax mould is provided with a water inlet pipeline 6 and a water outlet pipeline 7, the axis of the water discharging hole is perpendicular to the axis of the water outlet pipeline, and the water discharging hole is communicated with the water outlet pipeline; the axis of the water injection hole is vertical to the axis of the water inlet pipeline, and the water injection hole is communicated with the water inlet pipeline; the water injection hole and the water discharge hole are parallel to each other; the water injection hole and the water discharge hole are provided with internal threads 8 near the outer surface of the wax mould.
The process of making the water pump shell comprises the steps of firstly using aluminum to manufacture a section mould of a workpiece, then injecting wax into the section mould, taking out the wax mould after the wax is cooled, wherein the size of the wax mould is basically consistent with that of the water pump shell (at the moment, the wax mould is provided with a water injection hole and a water discharge hole), then pouring thick silica gel slurry (the silica gel slurry is relatively thick and cannot overflow to the outside of the hole) into the water injection hole and the water discharge hole, filling sand to the surface of the wax mould until the surface of the wax mould is stained with sand (the inner end surface and the outer end surface of the water injection hole are also stained with sand, the sand and the silica gel slurry are solidified to form a rigid structure), and after the casting sand on the surface of the wax mould is bonded and solidified (at the moment, the silica gel slurry is solidified), placing the wax mould stained with sand into water, and finally leaving a sand shell (the silica gel slurry after the solidification is high temperature resistant to about the degree centigrade, the water is not melted, the position of the water injection hole and the water discharge hole is the solid silica gel core rod in the sand shell), finally pouring the sand shell into the casting, and pouring the molten iron core rod is arranged in the water casting hole or the water casting hole, and the position is the water casting hole, and the molten iron core rod is still arranged in the water casting hole or the water casting hole, and the position is the water casting hole, and the molten iron casting hole is the water casting hole, and the molten iron core rod is finally, the molten aluminum casting hole, and the molten iron is finally the molten aluminum casting hole, and the molten aluminum casting hole is the molten aluminum casting hole and the molten aluminum.
After the forming structure of the water drain hole and the water injection hole of the water pump shell wax mould is used, the water drain hole and the water injection hole of the water pump shell do not need to be machined in subsequent procedures, so that the procedures are simplified, and the manufacturing cost is relatively reduced.
While the foregoing is directed to the preferred embodiment, other and further embodiments of the utility model will be apparent to those skilled in the art from the following description, wherein the utility model is described, by way of illustration and example only, and it is intended that the utility model not be limited to the specific embodiments illustrated and described, but that the utility model is to be limited to the specific embodiments illustrated and described.
Claims (5)
1. The utility model provides a shaping structure of drain and water injection hole of pump case wax matrix which characterized in that: the silica gel core rod forming device comprises a wax mould with the same shape as a water pump shell, wherein the wax mould is provided with a water discharging hole and a water injection hole, silica gel slurry is poured into the water discharging hole and the water injection hole, the end faces of the silica gel slurry, which are flush with the inner surface and the outer surface of the wax mould, are adhered with a sand shell for casting forming, and the adhered end faces are used as supports for forming silica gel core rods after the silica gel slurry is solidified.
2. The water drain and water injection hole forming structure of the water pump shell wax mold according to claim 1, wherein: the wax mould is provided with a water inlet pipeline and a water outlet pipeline, the axis of the water drain hole is perpendicular to the axis of the water outlet pipeline, and the water drain hole is communicated with the water outlet pipeline.
3. The water drain and water injection hole forming structure of the water pump shell wax mold according to claim 2, wherein: the axis of the water injection hole is perpendicular to the axis of the water inlet pipeline, and the water injection hole is communicated with the water inlet pipeline.
4. A water drain and injection hole forming structure of a wax pattern of a water pump housing according to claim 3, wherein: the water injection hole and the water discharge hole are mutually parallel.
5. The water drain and water injection hole forming structure of the water pump shell wax mold according to claim 4, wherein: the water injection hole and the water discharge hole are provided with internal threads close to the outer surface of the wax mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010540.9U CN220049937U (en) | 2023-04-28 | 2023-04-28 | Forming structure of water discharging and water injecting hole of water pump shell wax mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010540.9U CN220049937U (en) | 2023-04-28 | 2023-04-28 | Forming structure of water discharging and water injecting hole of water pump shell wax mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220049937U true CN220049937U (en) | 2023-11-21 |
Family
ID=88767659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321010540.9U Active CN220049937U (en) | 2023-04-28 | 2023-04-28 | Forming structure of water discharging and water injecting hole of water pump shell wax mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220049937U (en) |
-
2023
- 2023-04-28 CN CN202321010540.9U patent/CN220049937U/en active Active
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