CN210789129U - Motor casing die of oil production machine - Google Patents
Motor casing die of oil production machine Download PDFInfo
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- CN210789129U CN210789129U CN201921027018.5U CN201921027018U CN210789129U CN 210789129 U CN210789129 U CN 210789129U CN 201921027018 U CN201921027018 U CN 201921027018U CN 210789129 U CN210789129 U CN 210789129U
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Abstract
The utility model discloses an oil extraction machine motor casing mould, which comprises a sand core component and a pouring system positioned in the sand core component; the sand core assembly comprises an upper profile sand core, a lower profile sand core and an inner sand core positioned inside the upper profile sand core and the lower profile sand core, wherein an upper cavity is arranged in the upper profile sand core, and a lower cavity is arranged in the lower profile sand core; the pouring system comprises a straight cylinder channel, a cross gate and an inner gate which are sequentially communicated, the straight cylinder channel is positioned inside the upper shape sand core, the cross gate is communicated with the bottom of the straight cylinder channel and is perpendicular to the straight cylinder channel, the axial directions of the cross gate and the inner sand core are mutually perpendicular, and the inner gate is perpendicular to the cross gate and is communicated with the upper cavity. The utility model aims to provide a: the die overcomes the defects in the prior art, improves the stability and uniformity of a pouring system, ensures excellent casting forming effect and reduces the rejection rate of the motor shell of the oil extraction machine.
Description
Technical Field
The utility model relates to an oil production machine motor casing mould 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 pouring system is used for controlling the speed of filling the casting mold with the molten metal and the time required for filling the casting mold; the molten metal can enter the casting mold stably, and turbulence and washing on the casting mold are avoided; preventing slag and other inclusions from entering the die cavity; gas is not involved during pouring, the casting is made to accord with the principle of sequential solidification as far as possible during cooling, and different pouring systems are designed according to the specific shape of the casting when the castings with different structures are poured.
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.
Therefore, the die assembly suitable for the motor casing of the oil extraction machine and the pouring system which can be uniformly cast and is matched with the motor casing of the oil extraction machine are required to be adopted in the casting process of the motor casing of the oil extraction machine, so that the artificial defects generated in the manufacturing process are avoided, the machining amount of machining is reduced, and the relevant sizes of the motor casing of the oil extraction machine are ensured to meet the requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the die has the advantages that the defects in the prior art are overcome, the stability and uniformity of a pouring system are improved, the excellent casting forming effect is guaranteed, the rejection rate of the motor shell of the oil extraction machine is reduced, the yield is higher, the working efficiency is improved, the sand-iron ratio is reduced, and the manufacturing cost is reduced.
In order to realize the above purpose, the utility model discloses a technical scheme:
a motor shell die of an oil extraction machine comprises a sand core assembly and a pouring system positioned in the sand core assembly;
the sand core assembly comprises an upper profile sand core, a lower profile sand core and an inner sand core positioned inside the upper profile sand core and the lower profile sand core, wherein an upper cavity is arranged in the upper profile sand core, and a lower cavity is arranged in the lower profile sand core;
the pouring system comprises a straight cylinder channel, a cross gate and an inner gate which are sequentially communicated, the straight cylinder channel is positioned inside the upper shape sand core, the cross gate is communicated with the bottom of the straight cylinder channel and is perpendicular to the straight cylinder channel, the axial directions of the cross gate and the inner sand core are mutually perpendicular, and the inner gate is perpendicular to the cross gate and is communicated with the upper cavity.
Furthermore, the space formed by the inner sand core, the upper cavity and the lower cavity is matched with the shape and the size of the motor shell of the oil extraction machine. 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 mold 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 oppositely arranged, and the upper shape sand core and the lower shape sand core are fixedly connected in the using process, meanwhile, two ends of the inner sand core are fixedly connected in the wall bodies of the upper and lower appearance sand cores, the inner walls of the upper and lower appearance sand cores are provided with concave parts and/or through holes which are matched with the shapes of the two ends of the inner sand core, for example, the two ends of the inner sand core are in interference fit with the concave parts and/or the through holes, the inner sand core is further fixed in the upper and lower shape sand cores, the cavity body formed by the inner sand core, the upper cavity and the lower cavity is coaxial, and 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 a motor shell of the oil extraction machine.
Furthermore, the inner sand core is cylindrical, and the outer wall of the inner sand core is provided with an annular convex block. The annular convex blocks are all coaxial with the inner sand core. The design of the annular convex block is used for matching the shape of the motor shell of the oil extraction machine.
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, the pouring system further comprises a pouring gate and a riser, wherein the pouring gate is positioned at the top end of the upper sand core and communicated with the straight cylinder channel, and the riser is positioned at the top of the upper sand core and communicated with the upper cavity. And the metal solution enters the upper profile sand core from the pouring gate, enters a cross gate at the joint of the upper profile sand core and the lower profile sand core along a straight cylinder, continuously flows along the cross gate, enters the upper die cavity and the lower die cavity from an ingate dispersed on the cross gate, gradually fills the upper die cavity and the lower die cavity from top to bottom, and finally overflows to a riser positioned at the top of the upper profile sand core.
And the metal solution enters the upper profile sand core from the pouring gate, enters a cross gate at the joint of the upper profile sand core and the lower profile sand core along a straight cylinder, continuously flows along the cross gate, enters the upper die cavity and the lower die cavity from an ingate dispersed on the cross gate, gradually fills the upper die cavity and the lower die cavity from top to bottom, and finally overflows to a riser positioned at the top of the upper profile sand core. The straight cylinder channel is vertical to the connecting surface of the upper profile sand core and the lower profile sand core, and the cross gate is vertical to the axial direction of the straight cylinder channel and the inner sand core, so that the metal solution can be conveniently and uniformly conveyed.
Furthermore, the ingates are in multiple groups, one end of each ingate is communicated with the horizontal gate, and the other end of each ingate is communicated with the upper cavity. The multiple groups of ingates are all communicated with the upper die cavity and/or the lower die cavity. The design of multiunit ingate makes the metallic solution in the horizontal runner be convenient for the reposition of redundant personnel, and cavity and lower cavity are gone up to very quick filling, and the metallic solution flow time overlength leads to the cooling too fast among the avoidance of the pouring process, and the yield of product is not good.
Furthermore, the ingates are three groups, two groups are positioned at the two sides of the inner sand core close to the annular convex blocks, and one group is communicated with the groove of the upper cavity. The ingates are three groups, wherein two groups are positioned at the two sides of the inner sand core close to the annular convex blocks, and one group is communicated with the groove of the upper cavity. Two sets of ingates are respectively arranged at two sides of the inner sand core, and one set of ingates are arranged in the grooves at the rectangular convex blocks, so that the metal solution can transversely and uniformly flow into the upper cavity and the lower cavity, and the quality uniformity of all parts of the casting is ensured. The diameter of the ingate for connecting the two sides of the internal sand core is consistent, the diameter (30mm) of the ingate for connecting the rectangular convex block is smaller than the diameter (53mm) of the ingate for connecting the two sides of the internal sand core close to the annular convex block, and because the filled cavity of the groove is smaller than the filled cavity of the annular convex block, the speed of filling all the parts is uniform, the forming speed is relatively consistent, and the casting forming effect is better. The design of multiunit ingate makes the metallic solution in the horizontal runner be convenient for the reposition of redundant personnel, and cavity and lower cavity are gone up to very quick filling, and the metallic solution flow time overlength leads to the cooling too fast among the avoidance of the pouring process, and the yield of product is not good.
Furthermore, the riser is divided into two groups, wherein one group is provided with a plurality of risers which are uniformly arranged above the inner sand core in a straight line shape; the other group is one, is arranged above the rectangular convex block and is communicated with the upper cavity. The design of a plurality of risers is convenient for the operating personnel to directly observe whether the metal solution is full of each part of the upper cavity from the top of the mould assembly, wherein one group of risers is positioned above the inner sand core, and the plurality of risers are arranged in a straight line shape due to the columnar shape of the motor shell of the oil extraction machine, and the arrangement direction of the plurality of risers is axially parallel to the inner sand core, and when the plurality of risers contain the metal solution in an overflowing shape, the whole upper cavity is full of each part. Preferably, the plurality of risers in the straight line shape are positioned right above the axis of the inner sand core, so that when the metal solution in the riser overflows, the highest point of the upper cavity is full, and the riser positioned above the rectangular bump is in a narrow shape and used for detecting whether the upper cavity at the rectangular bump is full, so that the design of the plurality of risers is convenient for observing whether the whole upper cavity and the whole lower cavity are full, and the metal solution filling process of the casting process is realized.
Furthermore, a filter plate is arranged at the communication position of the sprue channel and the cross gate. The setting of filter is arranged in filtering other impurity in the metallic solution, avoids influencing the casting quality of later stage.
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.
Further, the inner sand core, the upper profile sand core and the lower profile sand core are made of manual resin sand, and the upper cavity, the lower cavity and the casting system are made of aluminum alloy ZL 102. 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 pouring system adopts the prior DK4 pouring cup; the casting temperature is 1380-1395 ℃; the sand-iron ratio is 2.7: 1; the yield is 81%; the upper and lower exterior sand cores can be made into manual carrying handles, and a drawing block is adopted; 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 drawing die is 1.5 degrees, and the draft angle of the drawing die larger than 127mm is 1 degree. The utility model discloses its yield in prior art is higher for cast oil production machine motor casing mould is compared, improves work efficiency, reduces sand iron ratio, reduces manufacturing cost.
The utility model has the advantages that:
(1) the design of the pouring system in the utility model is matched with the structure of the motor shell of the oil extraction machine, especially the matching of different positions of a plurality of groups of ingates and inner sand cores, and different diameters of the plurality of groups of ingates are arranged simultaneously, so that in the casting process, the pouring speeds of all parts of the cavity are more consistent, the forming effect is more consistent, the forming effect of the final casting is excellent, and the rejection rate of the casting is lower;
(2) the utility model discloses the design that the dead head is a style of calligraphy in line and the appearance axial adaptation of oil production machine motor casing, and then when pouring and accomplishing the later stage, through observing the metallic solution overflow condition of dead head department, can judge directly whether the foundry goods of appearance psammitolite inside is accomplished, above-mentioned dead head design and oil production machine motor casing adaptation, and with other pouring pipelines cooperation well, and then reduce the rejection rate of foundry goods;
(3) the utility model discloses a perfect adaptation oil production machine motor shell of the gating system improves the cast success rate of foundry goods, improves work efficiency, reduces manufacturing cost, and the mould subassembly 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 suitable.
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 view C-C of FIG. 1;
FIG. 5 is a view E-E of FIG. 1;
FIG. 6 is a view F-F of FIG. 1;
FIG. 7 is a side view of the inner sand core;
FIG. 8 is a view G-G of FIG. 7;
in the figure: 1-internal sand core, 2-upper external form sand core, 3-lower external form sand core, 4-upper cavity, 5-lower cavity, 6-annular bump, 7-rectangular bump, 8-groove, 9-gate, 10-cylinder channel, 11-cross runner, 12-internal runner, 13-riser, 14-filter plate, 15-exhaust channel.
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
A motor shell mould of an oil extraction machine is shown in figures 1-8, wherein the shaded parts are castings, and the castings are consistent with the shapes and the dimensions 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 mould comprises a sand core component and a pouring system positioned in the sand core component;
the sand core assembly comprises an upper profile sand core 2, a lower profile sand core 3 and an inner sand core 1 positioned inside the upper profile sand core 2 and the lower profile sand core 3, wherein an upper cavity 4 is arranged in the upper profile sand core 2, and a lower cavity 5 is arranged in the lower profile sand core 3;
the pouring system comprises a straight cylinder passage 10, a cross gate 11 and an inner gate 12 which are sequentially communicated, wherein the straight cylinder passage 10 is positioned inside the upper sand core 2, the cross gate 11 is communicated with the bottom of the straight cylinder passage 10 and is perpendicular to the straight cylinder passage 10, the cross gate 11 and the inner sand core 1 are perpendicular to each other in the axial direction, and the inner gate 12 is perpendicular to the cross gate 11 and is communicated with the upper cavity 4.
The pouring system further comprises a pouring gate 9 and a riser 13, wherein the pouring gate 9 is positioned at the top end of the upper sand core 2 and is communicated with the straight cylinder passage 10, and the riser 13 is positioned at the top of the upper sand core 2 and is communicated with the upper cavity 4.
And the space 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 the motor shell of the oil production machine. The upper cavity 4 and the lower cavity 5 together form what is known as a cavity in the mold assembly.
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 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 oppositely arranged, in the using process, the upper shape sand core 2 and the lower shape sand core 3 are fixedly connected, two ends of the inner sand core 1 are fixedly connected into the wall bodies of the upper shape sand core 2 and the lower shape sand core 3, the inner walls of the upper shape sand core 2 and the lower shape sand core 3 are provided with concave parts and/or through holes which are matched with the shapes of the two ends of the inner sand core 1, for example, the two ends of the inner sand core 1 are in interference fit with the concave parts and/or the through holes, the inner sand core 1 is fixed into the upper shape sand core 2 and the lower shape sand core 3, the cavity formed by the inner sand core 1, the upper cavity 4 and the lower cavity 5 is coaxial, the lower cavity 5 and the inner sand core 1 form a barrel-shaped cavity, and the shape and the size of the barrel-shaped cavity are consistent with those of a motor shell of the oil extraction machine. And the metal liquid enters the shape sand core through the pouring system, and the casting process of the casting is completed in the cavity.
The metal solution enters the upper sand core 2 from the sprue 9, enters a cross runner 11 at the joint of the upper sand core 2 and the lower sand core 3 along a straight cylinder passage 10, continues to flow along the cross runner 11, enters the upper cavity 4 and the lower cavity 5 from an ingate 12 dispersed on the cross runner 11, and gradually fills the upper cavity 4 and the lower cavity 5 from top to bottom and finally overflows to a riser 13 positioned at the top of the upper sand core 2. The straight cylinder passage 10 is vertical to the connecting surface of the upper sand core 2 and the lower sand core 3, and the cross gate 11 is vertical to the axial direction of the straight cylinder passage 10 and the inner sand core 1, so that the metal solution can be uniformly conveyed.
Example 2
The inner sand core 1 is cylindrical, and the outer wall of the inner sand core 1 is provided with an annular convex block 6. The annular projections 6 are all coaxial with the inner sand core 1. The design of the annular projection 6 is used for matching the shape of the motor casing of the oil extraction machine.
Example 3
The outer wall of the annular bump 6 is provided with a rectangular bump 7, a groove 8 matched with the rectangular bump 7 in shape is arranged in the upper cavity 4, and a sand plate is arranged on the side wall of the rectangular bump 7. The rectangular projection 7 is designed to match the shape of the motor casing of the oil extraction machine.
Example 4
The ingate 12 is divided into a plurality of groups, one end of the ingate 12 is communicated with the horizontal gate 11, and the other end is communicated with the upper cavity 4. The inner pouring channels 12 are communicated with the upper cavity 4 and/or the lower cavity 5. The design of multiunit ingate 12 makes the metallic solution in the cross gate 11 be convenient for shunt, and cavity 4 and lower cavity 5 are gone up in more quick filling, and the metallic solution flow time overlength leads to the cooling too fast in avoiding the pouring process, and the yield of product is not good.
Example 5
The ingate 12 is divided into a plurality of groups, one end of the ingate 12 is communicated with the horizontal gate 11, and the other end is communicated with the upper cavity 4. The ingates 12 are three groups, wherein two groups are positioned at two sides of the internal sand core 1 close to the annular convex block 6, and one group is communicated with the groove 8 of the upper cavity 4. Two groups of ingates 12 are respectively arranged at two sides of the internal sand core 1, and one group of ingates 12 are arranged in the grooves 8 at the rectangular convex blocks 7, so that the metal solution can transversely and uniformly flow into the upper cavity 4 and the lower cavity 5, and the quality uniformity of all parts of the casting is ensured. The diameters of the ingates 12 connected with the two sides of the internal sand core 1 are consistent, the diameter (30mm) of the ingate 12 connected with the rectangular convex block 7 is smaller than the diameter (53mm) of the ingate 12 connected with the two sides of the internal sand core 1 close to the annular convex block, because the filled cavity at the groove 8 is smaller than the filled cavity at the annular convex block 6, the filling speed of all parts is uniform due to the design, the forming speed is relatively consistent, and the casting forming effect is better. The design of multiunit ingate 12 makes the metallic solution in the cross gate 11 be convenient for shunt, and cavity 4 and lower cavity 5 are gone up in more quick filling, and the metallic solution flow time overlength leads to the cooling too fast in avoiding the pouring process, and the yield of product is not good.
Example 6
The riser 13 is divided into two groups, wherein one group is provided with a plurality of risers, and the risers are uniformly arranged above the inner sand core 1 in a straight line shape; and the other group is one and is arranged above the rectangular convex block 7. The design of the multiple risers 13 is convenient for operators to directly observe whether the metal solution is filled in each part of the upper cavity 4 or not from the top of the mould assembly, one group of the risers 13 is positioned above the inner sand core 1, and the arrangement mode of the multiple risers 13 is axially parallel to the inner sand core 1 because the motor shell of the oil extraction machine is columnar, and when the multiple risers 13 are filled with the metal solution in an overflowing state, the situation shows that each part of the whole upper cavity 4 is filled. Preferably, the plurality of risers 13 in the shape of a straight line are located right above the axis of the inner sand core 1, so that when the metal solution in the risers 13 overflows, the highest point of the upper cavity 4 is indicated to be filled, and meanwhile, the risers 13 above the rectangular bump 7 are narrow, and are used for detecting whether the upper cavity 4 at the rectangular bump 7 is filled, so that the design of the plurality of risers 13 is convenient for observing whether the whole upper cavity 4 and the whole lower cavity 5 are filled, and the metal solution filling process of the casting process is realized.
Example 7
And a filter plate 14 is arranged at the communication part of the straight cylinder passage 10 and the cross pouring channel 11. The filter plate 14 is arranged to filter other impurities in the metal solution to avoid affecting the quality of the desired casting.
Example 8
And an exhaust passage 15 is arranged in the inner sand core 1 along the axial direction. The design of the exhaust passage 15 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.
Example 9
The inner sand core 1, the upper sand core 2 and the lower sand core 3 are made of manual resin sand, and the upper cavity 4, the lower cavity 5 and the casting system are made of aluminum alloy ZL 102. 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 pouring system adopts the prior DK4 pouring cup; the casting temperature is 1380-1395 ℃; 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 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 drawing die is 1.5 degrees, and the draft angle of the drawing die larger than 127mm is 1 degree. The utility model discloses its yield in prior art is higher for cast oil production machine motor casing mould is compared, improves work efficiency, reduces sand iron ratio, reduces manufacturing cost.
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 (10)
1. The motor shell die of the oil extraction machine is characterized by comprising a sand core component and a pouring system positioned in the sand core component;
the sand core assembly comprises an upper profile sand core (2), a lower profile sand core (3) and an inner sand core (1) positioned inside the upper profile sand core (2) and the lower profile sand core (3), wherein an upper cavity (4) is arranged in the upper profile sand core (2), and a lower cavity (5) is arranged in the lower profile sand core (3);
the pouring system comprises a straight cylinder channel (10), a cross gate (11) and an ingate (12) which are sequentially communicated, wherein the straight cylinder channel (10) is positioned inside the upper sand core (2), the cross gate (11) is communicated with the bottom of the straight cylinder channel (10), the cross gate (11) is perpendicular to the axial direction of the inner sand core (1), and the ingate (12) is perpendicular to the cross gate (11) and is communicated with the upper cavity (4).
2. A motor casing mould for a pumping unit according to claim 1, characterized in that the space formed by the inner sand core (1), the upper cavity (4) and the lower cavity (5) is adapted to the shape and size of the motor casing for the pumping unit.
3. An oil extraction machine motor casing mould as claimed in claim 1, wherein the inner sand core (1) is cylindrical, and the outer wall of the inner sand core (1) is provided with an annular bump (6).
4. A mould for a motor casing of a pumping unit according to claim 3, wherein the outer wall of the annular bump (6) is provided with a rectangular bump (7), the upper cavity (4) is internally provided with a groove (8) which is matched with the rectangular bump (7) in shape, and the side wall of the rectangular bump (7) is provided with a sand plate.
5. A motor casing mould for a pumping unit according to claim 1, characterized in that the pouring system further comprises a pouring gate (9) and a riser (13), the pouring gate (9) is located at the top end of the upper sand core (2) and is communicated with the straight barrel (10), and the riser (13) is located inside the upper sand core (2) and is communicated with the upper cavity (4).
6. A mould for a motor casing of an oil extraction machine according to claim 1, wherein the ingates (12) are in multiple groups, one end of each ingate (12) is communicated with the cross runner (11), and the other end of each ingate (12) is communicated with the upper cavity (4).
7. A motor casing mould for a pumping unit according to claim 6, characterized in that the ingates (12) are divided into three groups, two groups are positioned at the two sides of the inner sand core (1) near the annular convex block (6), and one group is communicated with the groove (8) of the upper cavity (4).
8. The oil extraction machine motor casing mould as claimed in claim 5, wherein the risers (13) are divided into two groups, one group is multiple, and the risers are uniformly arranged above the inner sand core (1) in a straight line shape; the other group is one, is arranged above the rectangular convex block (7) and is communicated with the upper cavity (4).
9. A mould for the motor casing of an oil extraction machine according to claim 5, characterized in that a filter plate (14) is arranged at the connection part of the straight cylinder channel (10) and the cross runner (11).
10. A motor casing mould for a pumping unit according to claim 1, characterized in that the inner sand core (1) is provided with an exhaust passage (15) along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027018.5U CN210789129U (en) | 2019-07-03 | 2019-07-03 | Motor casing die of oil production machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027018.5U CN210789129U (en) | 2019-07-03 | 2019-07-03 | Motor casing die of oil production machine |
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| Publication Number | Publication Date |
|---|---|
| CN210789129U true CN210789129U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921027018.5U Active CN210789129U (en) | 2019-07-03 | 2019-07-03 | Motor casing die of oil production machine |
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| CN (1) | CN210789129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202096A (en) * | 2019-07-03 | 2019-09-06 | 成都桐林铸造实业有限公司 | A kind of oil production machine motor casing mold |
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2019
- 2019-07-03 CN CN201921027018.5U patent/CN210789129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202096A (en) * | 2019-07-03 | 2019-09-06 | 成都桐林铸造实业有限公司 | A kind of oil production machine motor casing mold |
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