CN211360563U - Displacement-preventing oil extraction machine motor casing die assembly - Google Patents
Displacement-preventing oil extraction machine motor casing die assembly Download PDFInfo
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- CN211360563U CN211360563U CN201921026046.5U CN201921026046U CN211360563U CN 211360563 U CN211360563 U CN 211360563U CN 201921026046 U CN201921026046 U CN 201921026046U CN 211360563 U CN211360563 U CN 211360563U
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Abstract
The utility model discloses an oil extraction machine motor casing mould assembly capable of preventing displacement, which comprises an inner sand core, an upper profile sand core and a lower profile sand core, wherein the upper profile sand core and the lower profile sand core are oppositely arranged, an upper cavity is arranged in the upper profile sand core, a lower cavity opposite to the upper cavity is arranged in the lower profile sand core, the inner sand core is arranged between the upper cavity and the lower cavity, and the front end and the rear end of the inner sand core are both connected with the upper profile sand core and the lower profile sand core; the side walls, perpendicular to the axial direction of the inner sand core, of the upper exterior sand core and the lower exterior sand core are respectively provided with a plurality of screw grooves, the screw grooves of the upper exterior sand core are communicated with the screw grooves of the lower exterior sand core, and the cross sections of the screw grooves are U-shaped. An object of the utility model is to provide a prevent oil production machine motor casing mould subassembly that shifts is equipped with and takes U type open-ended screw rod groove, prevents that exterior psammitolite and exterior psammitolite shift down, avoids the problem of foundry goods deformation, has improved the accurate nature of product size again, reduces the rejection rate of oil production machine motor casing.
Description
Technical Field
The utility model relates to a prevent oil recovery machine motor casing mould subassembly that shifts belongs to sand casting mould field.
Background
The casting is a manufacturing process of pouring molten metal into a casting mold, and cooling and solidifying to obtain a part with required shape and performance. Casting is a common manufacturing method, has low manufacturing cost and great process flexibility, can obtain castings with complex shapes and large sizes, and has great specific gravity in mechanical manufacturing. Sand casting refers to a casting process that produces a casting in a sand mold. Steel, iron and most nonferrous metal castings can be obtained by sand casting. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the casting mould can adapt to single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time.
The motor shell of the oil extraction machine is a partial component of the oil extraction machine, and different oil extraction machines are provided with different oil extraction machine motor shells, so that the stress condition of the oil extraction machine motor in the using process is complex according to the principle of the oil extraction machine, and the motor shell has enough strength, rigidity, wear resistance and vibration resistance, so that the motor shell has higher requirements on the material of the motor shell. The motor casing of the oil extraction machine is made of common cast iron, alloy cast iron, aluminum alloy and the like, and a screw groove is generally arranged inside a mold in a screw connecting mode of an upper mold and a lower mold in the prior art, so that the design occupies the space of the mold and is not easy to observe the installation condition of the screw groove and the screw.
Therefore, the mould assembly which is not easy to shift and easy to observe the installation condition is required to be adopted in the casting process of the motor shell of the oil extraction machine so as to avoid the deformation of a final casting caused by the relative sliding of the upper shape sand core and the lower shape sand core caused by the artificial defect generated in the manufacturing process; meanwhile, the machining amount of machining is reduced, and all relevant sizes of the motor shell of the oil extraction machine meet requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the mould assembly is provided with a screw groove with a U-shaped opening, so that the upper appearance sand core and the lower appearance sand core are prevented from shifting, the problem of casting deformation is avoided, the precision of the product size is improved, and the rejection rate of the motor shell of the oil extraction machine is reduced.
In order to realize the above purpose, the utility model discloses a technical scheme:
an anti-displacement oil extraction machine motor shell mold assembly comprises an inner sand core, an upper profile sand core and a lower profile sand core, wherein the upper profile sand core and the lower profile sand core are oppositely arranged, an upper cavity is arranged in the upper profile sand core, a lower cavity opposite to the upper cavity is arranged in the lower profile sand core, the inner sand core is arranged between the upper cavity and the lower cavity, and the front end and the rear end of the inner sand core are connected to the upper profile sand core and the lower profile sand core; the side walls, perpendicular to the axial direction of the inner sand core, of the upper exterior sand core and the lower exterior sand core are respectively provided with a plurality of screw grooves, the screw grooves of the upper exterior sand core are communicated with the screw grooves of the lower exterior sand core, and the cross sections of the screw grooves are U-shaped. The screw groove is axially vertical to the connecting surfaces of the upper and lower profile sand cores, the screw groove is positioned on the side walls of the upper and lower profile sand cores and is communicated with each other, and in the using process, the screw is arranged in the screw groove to fixedly connect the upper and lower profile sand cores, so that the upper and lower profile sand cores are prevented from being displaced from each other to cause dislocation of the upper and lower cavities, and the shape of a casting is deformed. The fixed connection mode of the screw groove improves the connection stability of the upper profile sand core and the lower profile sand core and reduces the rejection rate of castings. And the screw rod groove of this scheme is equipped with the screw rod groove that opening and both ends link up for one side, and the staff of being convenient for of above-mentioned design installs the screw rod fast, improves work efficiency, easily observes the screw rod simultaneously and at the screw rod groove installation condition.
Further, a cavity formed by the inner sand core, the upper cavity and the lower cavity is matched with the motor shell of the oil production machine in shape and size. The utility model provides a casting mould of mould subassembly for preparing the oil production machine motor casing, the oil production machine motor casing does the utility model discloses a foundry goods of mould subassembly casting, die cavity in foundry goods and the mould subassembly are structure and size adaptation, and metallic solution gets into the inside die cavity of mould subassembly via the gating system of mould subassembly, obtains the foundry goods after the shaping. The cavity in the die is a cavity formed by an upper cavity, a lower cavity and an inner sand core, specifically, the upper cavity and the lower cavity enclose a columnar cavity inside an upper shape sand core and a lower shape sand core which are arranged oppositely, during use, two ends of the inner sand core are fixedly connected inside the upper shape sand core and the lower shape sand core, concave parts matched with two ends of the inner sand core are arranged on the inner walls of the upper shape sand core and the lower shape sand core, which are close to the upper cavity and the lower cavity, the inner sand core is fixed in the upper shape sand core and the lower shape sand core through the concave parts, the inner sand core and the cavity formed by the upper cavity and the lower cavity are coaxial, and then the upper cavity, the lower cavity and the inner sand core form a barrel-shaped cavity, and the shape and the size of the barrel-shaped cavity are consistent with those of an oil extraction machine motor.
Furthermore, the inner sand core is cylindrical, an annular convex block is arranged on the outer wall of the inner sand core, and the annular convex block and the inner sand core are coaxial. The design of the annular convex block is used for matching the shape of the motor shell of the oil extraction machine. And the inner side surfaces of the outer wall of the inner sand core, which are close to the upper cavity and the lower cavity, are also provided with anti-extrusion rings.
Furthermore, the outer wall of the annular convex block is provided with a rectangular convex block, a groove matched with the rectangular convex block in shape is arranged in the upper cavity, and a sand plate is arranged on the side wall of the rectangular convex block. The rectangular lug is designed to match the shape of the motor shell of the oil extraction machine.
Furthermore, an exhaust passage is axially arranged in the inner sand core. The design of the exhaust passage increases the air permeability of liquid metal, and reduces the defects that air cannot escape to form air holes, the casting is not full and the like in the casting process, so that the casting is scrapped.
Furthermore, a through hole penetrating through the lower appearance sand core is formed in the lower appearance sand core, and the through hole is located on two sides of the lower cavity and is axially parallel to the inner sand core. The lifting appliance is inserted in the through hole, so that the mould can be integrally moved conveniently, and meanwhile, the lifting appliance can be moved conveniently by an operator, so that the working efficiency is improved.
Further, the inner sand core, the upper exterior sand core and the lower exterior sand core are made of manual resin sand.
Further, the material of the upper cavity and the lower cavity is aluminum alloy ZL 102.
The utility model has the advantages that:
(1) the utility model discloses the design of well screw rod groove, the screw rod groove that is equipped with each other and communicates is vertical at the lateral wall of upper exterior psammitolite and lower exterior psammitolite, be convenient for the screw rod to install the lateral wall of upper exterior psammitolite and lower exterior psammitolite simultaneously, with upper exterior psammitolite and lower exterior psammitolite fixed connection, prevent that the upper and lower exterior psammitolite from shifting each other in the foundry goods process, influence foundry goods quality, the design of multiunit screw rod groove, further promote the stability of mould subassembly, guarantee foundry goods quality in the follow-up casting process, the screw rod groove is U type opening form, it is convenient for the staff to;
(2) the through holes arranged on the two sides of the middle-lower shape sand core facilitate the lifting of the mold assembly by workers, the movement of the mold assembly can be realized directly through the transferring without contacting the mold assembly, and particularly, the workers can move conveniently under the condition that the casting is just finished and the temperature of the mold assembly is higher, thereby improving the working efficiency;
(3) the utility model discloses a perfect adaptation of design oil production machine motor shell, the design of screw rod groove improves mould assembly's stability, improves work efficiency, reduces manufacturing cost, and the mould assembly structure is succinct, and the installation is simple, and the security is high, and stability is good, and suitable the popularization is suitable for being used.
Drawings
Fig. 1 is a top perspective view of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a view B-B of FIG. 1;
FIG. 4 is a side view of the internal sand core;
FIG. 5 is a view G-G of FIG. 4;
in the figure: 1-inner sand core, 2-upper shape sand core, 3-lower shape sand core, 4-upper cavity, 5-lower cavity, 6-screw groove, 7-annular bump, 8-rectangular bump, 9-groove, 10-exhaust passage, 11-through hole, 12-anti-extrusion ring, and 13-casting system.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
An anti-displacement oil extraction machine motor shell mould assembly is shown in figures 1-5, wherein the shaded parts in the figures are castings, and the castings are consistent with the shapes and the sizes of an upper cavity 4, a lower cavity 5 and an inner sand core 1, so that the positions of the castings on the corresponding figures are the positions of the upper cavity 4 and the lower cavity 5. The sand core structure comprises an inner sand core 1, an upper shape sand core 2 and a lower shape sand core 3, wherein the upper shape sand core 2 and the lower shape sand core 3 are oppositely arranged, an upper cavity 4 is arranged in the upper shape sand core 2, a lower cavity 5 opposite to the upper cavity 4 is arranged in the lower shape sand core 3, the inner sand core 1 is arranged between the upper cavity 4 and the lower cavity 5, and the front end and the rear end of the inner sand core 1 are both connected to the upper shape sand core 2 and the lower shape sand core 3; the side walls, perpendicular to the axial direction of the inner sand core 1, of the upper exterior sand core 2 and the lower exterior sand core 3 are respectively provided with a plurality of screw grooves 6, the screw grooves 6 of the upper exterior sand core 2 are communicated with the screw grooves 6 of the lower exterior sand core 3, the cross sections of the screw grooves 6 are U-shaped, and a cavity formed by the inner sand core 1, the upper cavity 4 and the lower cavity 5 is matched with the shape and the size of a motor shell of the oil extraction machine.
The working principle is as follows: the utility model provides a casting mould of mould subassembly for preparing the oil production machine motor casing, the oil production machine motor casing does the utility model discloses a foundry goods of mould subassembly casting, die cavity in foundry goods and the mould subassembly are structure and size adaptation, and metallic solution gets into the inside die cavity of mould subassembly via the gating system 13 of mould subassembly, obtains the foundry goods after the shaping. The cavity in the mold is a cavity formed by an upper cavity 4, a lower cavity 5 and an inner sand core 1, specifically, the upper cavity 4 and the lower cavity 5 enclose a cylindrical cavity inside an upper shape sand core 2 and a lower shape sand core 3 which are arranged oppositely, in the using process, a screw is installed in a screw groove 6 to fix the upper shape sand core 2 and the lower shape sand core 3, the screw groove 6 is axially vertical to the connecting surface of the upper shape sand core 2 and the lower shape sand core 3, the screw groove 6 is positioned on the side wall of the upper shape sand core 2 and the lower shape sand core 3 and is communicated with each other, in the using process, the screw is placed in the screw groove 6 to fixedly connect the upper shape sand core 2 and the lower shape sand core 3, and the upper shape sand core 2 and the lower shape sand core 3 are prevented from being displaced with each other to cause the dislocation of the upper cavity 4 and the lower cavity 5, so that the shape of a casting; the two ends of the inner sand core 1 are fixedly connected inside the upper and lower shape sand cores 2 and 3, the inner walls of the upper and lower shape sand cores 2 and 3 near the upper and lower cavities 4 and 5 are provided with concave parts adapted to the two ends of the inner sand core 1, the inner sand core 1 is fixed inside the upper and lower shape sand cores 2 and 3 through the concave parts, the cavity formed by the inner sand core 1, the upper and lower cavities 4 and 5 is coaxial, the upper and lower cavities 4 and 5 and the inner sand core 1 form a barrel-shaped cavity, the shape and size of which are consistent with those of a motor shell of an oil extraction machine, and the metal solution enters the upper and lower cavities 4 and 5 through the pouring system 13, thereby completing the casting process. The fixed connection mode of the screw groove 6 improves the connection stability of the upper profile sand core 2 and the lower profile sand core 3 and reduces the rejection rate of castings. And the screw rod groove 6 of this scheme is equipped with screw rod groove 6 that opening and both ends link up for one side, and the staff of being convenient for of above-mentioned design installs the screw rod fast, improves work efficiency, easily observes the screw rod simultaneously and at the 6 installation of screw rod groove.
The process is suitable for product 199663 and product 165822, and a set of die assembly is shared for material changing production; the casting shrinkage is 1%; the sand content not injected is more than 30 mm; a manual modeling mode; the sand-iron ratio is 2.7: 1; the yield is 81%; the upper exterior sand core 2 and the lower exterior sand core 3 can be made into manual carrying handles, and a drawing block is adopted; the lifting appliance of the upper external sand core 2 adopts a GE special tool; the mould assembling fixture adopts a GE universal mould assembling fixture; the partial process gradient is based on the following principle: the size of the die is less than 19mm, and the inclination of the drawing slope is 3 degrees; the draft angle of the 19-127 mm draft is 1.5, and the draft angle of more than 127mm is 1 degree.
Example 2
The inner sand core 1 is cylindrical, an annular bump 7 is arranged on the outer wall of the inner sand core 1, and the annular bump 7 is coaxial with the inner sand core 1. The design of the annular projection 7 is used for matching the shape of the motor casing of the oil extraction machine. And the inner side surfaces of the outer wall of the inner sand core 1, which are close to the upper cavity 4 and the lower cavity 5, are also provided with anti-extrusion rings 12.
Example 3
The outer wall of the annular bump 7 is provided with a rectangular bump 8, a groove 9 matched with the rectangular bump 8 in shape is arranged in the upper cavity 4, and a sand plate is arranged on the side wall of the rectangular bump 8. The rectangular projection 8 is designed to match the shape of the motor casing of the oil extraction machine.
Example 4
And an exhaust passage 10 is arranged in the inner sand core 1 along the axial direction. The design of the exhaust passage 10 increases the air permeability of liquid metal, and reduces the defects of air holes, insufficient pouring and the like caused by the fact that gas cannot escape in the casting pouring process, and castings are scrapped.
Example 5
And a through hole 11 penetrating through the lower appearance sand core 3 is formed in the lower appearance sand core 3, and the through hole 11 is positioned on two sides of the lower cavity 5 and is axially parallel to the inner sand core 1. The lifting appliance is inserted into the through hole 11, so that the mould can be integrally moved conveniently, and meanwhile, the lifting appliance can be moved conveniently by an operator, so that the working efficiency is improved.
Example 6
The inner sand core 1, the upper exterior sand core 2 and the lower exterior sand core 3 are made of manual resin sand.
Example 7
The upper cavity 4 and the lower cavity 5 are made of aluminum alloy ZL 102.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The anti-displacement oil extraction machine motor shell mold assembly is characterized by comprising an inner sand core (1), an upper shape sand core (2) and a lower shape sand core (3), wherein the upper shape sand core (2) and the lower shape sand core (3) are oppositely arranged, an upper cavity (4) is arranged in the upper shape sand core (2), a lower cavity (5) opposite to the upper cavity (4) is arranged in the lower shape sand core (3), the inner sand core (1) is arranged between the upper cavity (4) and the lower cavity (5), and the front end and the rear end of the inner sand core (1) are both connected to the upper shape sand core (2) and the lower shape sand core (3); the upper exterior sand core (2) and the lower exterior sand core (3) are perpendicular to the axial side walls of the inner sand core (1) and are provided with a plurality of screw grooves (6), the screw grooves (6) of the upper exterior sand core (2) are communicated with the screw grooves (6) of the lower exterior sand core (3), and the cross sections of the screw grooves (6) are U-shaped.
2. The anti-displacement oil production machine motor casing mould assembly according to claim 1, wherein a cavity surrounded by the inner sand core (1), the upper cavity (4) and the lower cavity (5) is matched with the shape and the size of an oil production machine motor casing.
3. The anti-displacement pumping unit motor casing die assembly according to claim 1, wherein the inner sand core (1) is cylindrical, the outer wall of the inner sand core (1) is provided with an annular bump (7), and the annular bump (7) is coaxial with the inner sand core (1).
4. The anti-displacement oil extraction machine motor casing mould assembly according to the claim 3, characterized in that the outer wall of the annular bump (7) is provided with a rectangular bump (8), the upper cavity (4) is provided with a groove (9) matched with the rectangular bump (8) in shape, and the side wall of the rectangular bump (8) is provided with a sand plate.
5. Anti-displacement pumping unit motor casing mould assembly according to claim 1, characterized in that the inner sand core (1) is provided with air vents (10) therein in axial direction.
6. Anti-displacement pumping unit motor casing mould assembly according to claim 1, characterized in that the lower form core (3) is provided with through holes (11) passing through the lower form core (3), the through holes (11) being located on both sides of the lower cavity (5) and being axially parallel to the inner core (1).
7. The displacement-resistant oil extraction engine motor casing die assembly according to claim 1, wherein the inner sand core (1), upper sand contour core (2) and lower sand contour core (3) are made of hand-made resin sand.
8. Anti-displacement pumping unit motor casing mould assembly according to claim 1, characterized in that the upper (4) and lower (5) cavity material is aluminium alloy ZL 102.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026046.5U CN211360563U (en) | 2019-07-03 | 2019-07-03 | Displacement-preventing oil extraction machine motor casing die assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026046.5U CN211360563U (en) | 2019-07-03 | 2019-07-03 | Displacement-preventing oil extraction machine motor casing die assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211360563U true CN211360563U (en) | 2020-08-28 |
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ID=72159879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921026046.5U Active CN211360563U (en) | 2019-07-03 | 2019-07-03 | Displacement-preventing oil extraction machine motor casing die assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211360563U (en) |
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2019
- 2019-07-03 CN CN201921026046.5U patent/CN211360563U/en active Active
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