CN214814694U - Die-casting die for manufacturing pump body shell of automobile cooling water pump - Google Patents
Die-casting die for manufacturing pump body shell of automobile cooling water pump Download PDFInfo
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- CN214814694U CN214814694U CN202121032191.1U CN202121032191U CN214814694U CN 214814694 U CN214814694 U CN 214814694U CN 202121032191 U CN202121032191 U CN 202121032191U CN 214814694 U CN214814694 U CN 214814694U
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Abstract
The utility model discloses a die casting die for making automobile cooling water pump body shell, including bottom plate, last mandrel, lower core mould, it shelves bottom plate center upper surface with core mould compound die down to go up the mandrel, it has the iron plate to go up the mandrel top pressure, is located it has the sand box to go up first periphery cover of core mould lower half, lower core mould, sand box left and right sides bottom homogeneous body formula is connected with the locating lever, and the locating lever is inserted in the locating hole of the bottom plate left and right sides. By the utility model discloses the structure can know, forms the empty mandrel of cooling water pump shell through last mandrel and lower mandrel compound die after to through sand box and the dual fixed of weight, when guaranteeing the molten steel casting, go up the mandrel and be difficult for exploding the fracture with lower mandrel, the sand phenomenon that looses is difficult for appearing, and then guarantees pump body shell after the die-casting shaping, the quality obtains improving, and the product percent of pass obviously risees, and then reduces enterprise manufacturing cost, brings economic benefits for the enterprise.
Description
Technical Field
The utility model belongs to the technical field of automobile parts processing and specifically relates to a die casting die for making automobile cooling water pump body shell.
Background
The automobile engine cooling water pump is the heart of an automobile engine cooling system and has the functions of improving the working pressure of cooling liquid in a circulating system, maintaining the circulation of the cooling liquid among relevant parts of an engine and preventing the running temperature of the engine from being overhigh. According to different matching requirements and working conditions, the engine cooling water pump has the structural types of a centrifugal pump, a vortex pump, a rotary displacement pump and the like, and is limited by the space size, a single-stage centrifugal pump consisting of a water inlet chamber, an impeller and a water outlet chamber is generally adopted, and the structure has the characteristics of small overall size, light weight, large water supply amount, simple structure and the like, and is the structural type which is most widely applied.
The typical centrifugal cooling circulating water pump mainly comprises a pump body shell, an impeller, a bearing, a water seal, a belt wheel and the like, the working environment of the engine cooling water pump is severe, the space is extremely limited, and in order to avoid disassembly, assembly and maintenance in an overhaul period, the service life of the water pump is equal to or multiple of that of the engine in the overhaul period, so that the reliability requirements of the components such as the pump body shell, the bearing, the pump shaft, the impeller and the like are extremely high.
The casting of the pump body shell is one of the important components of the cooling water pump, and the pump body shell with higher quality is manufactured, so that the purpose of prolonging the service life of the pump is achieved. At present, due to the lack of a reasonable and appropriate pump body shell die-casting die in the prior art, the quality of the pump body shell is greatly reduced after the pump body shell is formed by die-casting, the defective rate is high, and the repeated correction rate is high, so that the production cost of an enterprise is greatly improved, and unnecessary economic burden is brought to the enterprise.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a die casting die for making automobile cooling water pump body shell, overcome prior art's defect, solve owing to lack reasonable, suitable pump body shell die casting die, lead to pump body shell behind the die-casting shaping, quality greatly reduced, the defective percentage is higher, repeated correction rate is higher, and then makes the manufacturing cost of enterprise improve greatly, brings unnecessary economic burden's problem for the enterprise.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the die-casting die for manufacturing the pump body shell of the automobile cooling water pump comprises a bottom plate, an upper core die and a lower core die, wherein the upper core die and the lower core die are assembled and then placed on the upper surface of the center of the bottom plate, an iron block is pressed at the top of the upper core die, sand boxes are sleeved on the peripheries of the lower half part of the upper core die and the upper half part of the lower core die, positioning rods are integrally connected to the bottoms of the left side and the right side of each sand box, and the positioning rods are inserted into positioning holes in the left side and the right side of the bottom plate.
Furthermore, the upper core mould is in a regular trapezoid table shape, the upper end part of the lower core mould is in a regular trapezoid table shape, and the lower part of the upper end part of the lower core mould is in a cuboid shape;
the whole sand box is square ring sleeve-shaped, and is divided into an upper sand box and a lower sand box by taking the horizontal central section of the sand box as a reference, wherein the inner side wall of the periphery of the upper sand box is in a regular trapezoid table shape, and the upper end part of the lower sand box is in a regular trapezoid table shape and is in a cuboid shape below the upper end part.
Further, when the sand box is sleeved on the upper core mould and the lower core mould, the upper sand box is just sleeved on the lower half part of the upper core mould and matched and attached with the upper core mould, and the lower sand box is just sleeved on the upper half part of the lower core mould and matched and attached with the lower core mould.
Further, the sand box is equipped with strip sawtooth line on the integral type on the inside wall all around, and strip sawtooth line sets up from top to bottom along the sand box inside wall.
Furthermore, the annular ear plates are uniformly connected to the outer peripheral surfaces of the top and the bottom of the sand box, and the annular ear plates on each side of the sand box are supported by reinforcing ribs.
Furthermore, when the positioning rods are inserted into the positioning holes on the left side and the right side of the bottom plate, exactly half of the sand box is sleeved on the lower half part of the upper core mould, and half of the sand box is sleeved on the upper half part of the lower core mould.
Further, the iron block is in a hollowed-out shape, and lifting lugs are integrally connected to the top of the peripheries of the left side and the right side.
Further, after the upper core mold and the lower core mold are combined, a cooling water pump shell hollow core mold is formed in the center, and a casting hole penetrates through the top of the cooling water pump shell hollow core mold and the top of the upper core mold.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a die casting die for making car cooling water pump body shell, when the sand box cover on last mandrel and lower mandrel, go up the sand box and just overlap at last mandrel lower half and match the laminating with it, lower sand box just overlaps at first core mould and match the laminating with it down, just guarantees like this that the sand box overlaps at the empty mandrel department of cooling water pump shell after last mandrel and lower mandrel compound die, when preventing the molten steel casting, goes up mandrel lower half and directly explodes and splits with first core mould down, improves the stability of mould.
Two, the utility model provides a die casting die for making automobile cooling water pump body shell, the sand box integral type is equipped with strip sawtooth line on the inside wall all around, and strip sawtooth line sets up from top to bottom along the sand box inside wall, and such structure is when guaranteeing that the atress is balanced behind mandrel and the lower mandrel compound die, is favorable to reducing the adsorption affinity between sand box inside wall and last mandrel, the lower mandrel lateral wall, is convenient for take off the box.
Thirdly, the annular lug plates are uniformly connected on the outer peripheral surfaces of the top and the bottom of the sand box, so that the process of peeling off the sand box by a mechanical arm in the subsequent process is facilitated; the annular ear plate that is located the every side of sand box in addition all supports through the strengthening rib, improves the sand box body intensity when peeling off the sand box.
Four, the utility model provides a die casting die for making automobile cooling water pump body shell works as when the locating lever is inserted in the locating hole of the bottom plate left and right sides, the sand box just half overlaps at last mandrel lower half, half cover half first at core mould down, like this when the molten steel casting back of entering, the cooling water pump shell empty mandrel that is located center department is difficult for bursting apart, guarantees the atress equilibrium of mandrel and core mould middle part down.
Fifth, the utility model provides a die casting die for making car cooling water pump body shell, the iron plate is the fretwork form, exposes the casting hole, and the casting of molten steel is convenient for, and the structure of fretwork form is favorable to reducing the iron plate bottom and glues sand simultaneously, also helps the manipulator of follow-up to peel off the iron plate process and go on; in addition, the lugs are integrally connected to the top of the peripheries of the left side and the right side of the iron block, so that the subsequent procedure of stripping the iron block by a manipulator is facilitated.
Six, the utility model provides a die casting die for making automobile cooling water pump body shell forms cooling water pump shell empty mandrel through last mandrel and lower mandrel compound die after to through sand box and the dual fixed of weight, when guaranteeing the molten steel casting, go up the mandrel and be difficult for exploding with lower mandrel, the sand phenomenon that looses is difficult for appearing, and then guarantees pump body shell after the die-casting shaping, and the quality obtains improving, and the product percent of pass obviously risees, and then reduces the manufacturing cost of enterprise, brings economic benefits for the enterprise.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a sectional view of the whole structure a-a of the present invention.
Fig. 3 is an exploded view of the upper core mold and the lower core mold of the present invention.
Fig. 4 is a top view of the bottom plate structure of the present invention.
Fig. 5 is a top view of the sand box structure of the present invention.
Detailed Description
The present invention will be further clarified by the following detailed description, which is to be understood as being given by way of illustration only, and not by way of limitation, of the scope of the invention, which, after reading the present invention, is intended to fall within the scope of the appended claims, as modified by those skilled in the art in various equivalent forms.
Example 1: the die casting die for manufacturing the pump body shell of the automobile cooling water pump shown in fig. 1 to 5 comprises a bottom plate 1, an upper core die 2 and a lower core die 3, wherein the upper core die 2 and the lower core die 3 are assembled and then placed on the upper surface of the center of the bottom plate 1, an iron block 4 is pressed at the top of the upper core die 2, sand boxes 5 are sleeved on the lower half parts of the upper core die 2 and the upper half parts of the lower core die 3, positioning rods 6 are integrally connected to the bottoms of the left side and the right side of each sand box 5, and the positioning rods 6 are inserted into positioning holes 7 in the left side and the right side of the bottom plate 1.
The upper core mold 2 is in a regular trapezoid table shape, the upper end part of the lower core mold 3 is in a regular trapezoid table shape, and the lower part of the upper end part is in a cuboid shape;
the whole sand box 5 is in a square ring sleeve shape, and is divided into an upper sand box 51 and a lower sand box 52 by taking the horizontal central section of the sand box 5 as a reference, wherein the peripheral inner side wall of the upper sand box 51 is in a regular trapezoid table shape, and the upper end part of the lower sand box 52 is in a regular trapezoid table shape and is in a cuboid shape below the upper end part.
When the sand box 5 is sleeved on the upper core mould 2 and the lower core mould 3, the upper sand box 51 is just sleeved on the lower half part of the upper core mould 2 and matched and attached with the upper core mould, and the lower sand box 52 is just sleeved on the upper half part of the lower core mould 3 and matched and attached with the upper core mould, so that the sand box 5 is just ensured to be sleeved on the hollow core mould 20 of the cooling water pump shell after the upper core mould 2 and the lower core mould 3 are matched, the lower half part of the upper core mould 2 and the upper half part of the lower core mould 3 are prevented from being directly cracked during molten steel casting, and the stability of the mould is improved.
The integral type is equipped with strip sawtooth line 53 on the inside wall all around of sand box 5, and strip sawtooth line 53 sets up from top to bottom along 5 inside walls of sand box, and such structure is in the balanced time of atress after guaranteeing that go up mandrel 2 and lower mandrel 3 compound die, is favorable to reducing the adsorption affinity between 5 inside walls of sand box and last mandrel 2, the 3 lateral walls of lower mandrel, is convenient for take off the box.
The annular ear plates 8 are uniformly connected on the peripheral surfaces of the top and the bottom of the sand box 5, so that the subsequent process of stripping the sand box by a manipulator is facilitated;
the annular ear plates 8 positioned on each side of the sand box 5 are supported by the reinforcing ribs 9, so that the strength of the sand box body is improved when the sand box is stripped.
When the positioning rods 6 are inserted into the positioning holes 7 on the left side and the right side of the bottom plate 1, exactly half of the sand box 5 is sleeved on the lower half part of the upper core mould 2, and half is sleeved on the upper half part of the lower core mould 3, so that after molten steel is poured in, the hollow core mould 20 of the cooling water pump shell positioned at the center is not easy to crack, and the stress balance between the upper core mould 2 and the lower core mould 3 is ensured.
The iron block 4 is the fretwork form, exposes casting hole 30, and the casting of the molten steel of being convenient for, the structure of fretwork form is favorable to reducing 4 bottoms of iron block and glues sand simultaneously, also helps the manipulator of epilogue to peel off the iron block process and goes on, and left and right sides periphery top integral type is connected with lug 10, and the manipulator of the epilogue of being convenient for peels off the process and goes on.
After the upper core die 2 and the lower core die 3 are assembled, a cooling water pump shell hollow core die 20 is formed in the center, and a casting hole 30 penetrates through the top of the cooling water pump shell hollow core die 20 to the top of the upper core die 2, so that molten steel can be conveniently cast.
The utility model discloses in, go up core mould 2 and lower core mould 3 and form through tectorial membrane sand die-casting, and what tectorial membrane sand adopted is the environmental protection sand among the prior art.
The working principle of the utility model is as follows:
firstly, an upper core mould 2 and a lower core mould 3 are cast by the existing machinery and are placed on a bottom plate 1, so that the upper core mould 2 and the lower core mould 3 are matched;
secondly, the sand box 5 is sleeved at the middle part of the upper core mould 2 and the lower core mould 3 and is fixed by a positioning rod 6;
then, pressing an iron block 4 on the top of the upper core mould 2, and further compacting the upper core mould 2 and the lower core mould 3 to ensure that the upper core mould and the lower core mould are tightly attached to ensure the stability during the subsequent molten steel casting;
and finally, casting molten steel into the cooling water pump shell hollow mold 20 through the casting hole 30, forming a pump shell blank through cooling forming, cleaning and polishing, and performing subsequent finish machining to form a final pump shell product.
Claims (8)
1. A die casting die for making car cooling water pump body shell, its characterized in that: including bottom plate (1), go up core mould (2), core mould (3) down, go up core mould (2) and rest in bottom plate (1) center upper surface behind core mould (3) compound die down, it has iron plate (4) to go up core mould (2) top pressure to be put, is located it has sand box (5) to go up core mould (2) lower half, core mould (3) first periphery cover down, sand box (5) left and right sides bottom homogeneous body formula is connected with locating lever (6), and locating lever (6) are inserted in locating hole (7) of bottom plate (1) left and right sides.
2. The die-casting mold for manufacturing the pump body casing of the automobile cooling water pump according to claim 1, characterized in that: the upper core mold (2) is in a regular trapezoid table shape, the upper end part of the lower core mold (3) is in a regular trapezoid table shape, and the lower part of the upper end part is in a cuboid shape;
the sand box (5) is integrally in a square ring sleeve shape, the horizontal center section of the sand box (5) is taken as a reference, the sand box is divided into an upper sand box (51) and a lower sand box (52), the inner side wall of the periphery of the upper sand box (51) is in a regular trapezoid table shape, and the upper end part of the lower sand box (52) is in a regular trapezoid table shape and is in a cuboid shape below the upper end part.
3. The die-casting mold for manufacturing the pump body casing of the automobile cooling water pump according to claim 2, characterized in that: when the sand box (5) is sleeved on the upper core mould (2) and the lower core mould (3), the upper sand box (51) is just sleeved on the lower half part of the upper core mould (2) and matched and attached with the upper core mould, and the lower sand box (52) is just sleeved on the upper half part of the lower core mould (3) and matched and attached with the lower core mould.
4. The die-casting mold for manufacturing the pump body casing of the automobile cooling water pump according to claim 2, characterized in that: the sand box is characterized in that strip-shaped sawtooth grains (53) are integrally arranged on the peripheral inner side wall of the sand box (5), and the strip-shaped sawtooth grains (53) are arranged from top to bottom along the inner side wall of the sand box (5).
5. The die-casting mold for manufacturing the pump body casing of the automobile cooling water pump according to claim 2, characterized in that: the top and bottom peripheral surfaces of the sand box (5) are uniformly connected with annular ear plates (8), and the annular ear plates (8) positioned on each side of the sand box (5) are supported by reinforcing ribs (9).
6. The die-casting mold for manufacturing the pump body casing of the automobile cooling water pump according to claim 1, characterized in that: when the positioning rods (6) are inserted into the positioning holes (7) on the left side and the right side of the bottom plate (1), exactly half of the sand box (5) is sleeved on the lower half part of the upper core mold (2) and half is sleeved on the upper half part of the lower core mold (3).
7. The die-casting mold for manufacturing the pump body casing of the automobile cooling water pump according to claim 1, characterized in that: the iron block (4) is in a hollow shape, and the tops of the peripheries of the left side and the right side are integrally connected with lifting lugs (10).
8. The die-casting mold for manufacturing the pump body casing of the automobile cooling water pump according to claim 1, characterized in that: and after the upper core die (2) and the lower core die (3) are combined, a cooling water pump shell hollow core die (20) is formed in the center, and a casting hole (30) penetrates through the top of the cooling water pump shell hollow core die (20) to the top of the upper core die (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032191.1U CN214814694U (en) | 2021-05-14 | 2021-05-14 | Die-casting die for manufacturing pump body shell of automobile cooling water pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032191.1U CN214814694U (en) | 2021-05-14 | 2021-05-14 | Die-casting die for manufacturing pump body shell of automobile cooling water pump |
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| CN214814694U true CN214814694U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559007A (en) * | 2021-12-23 | 2022-05-31 | 邓少聪 | Novel ultra-high temperature die casting process for stainless steel |
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2021
- 2021-05-14 CN CN202121032191.1U patent/CN214814694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559007A (en) * | 2021-12-23 | 2022-05-31 | 邓少聪 | Novel ultra-high temperature die casting process for stainless steel |
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