CN217252737U - Casting mould with side core-pulling function for double-riser pipe - Google Patents
Casting mould with side core-pulling function for double-riser pipe Download PDFInfo
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- CN217252737U CN217252737U CN202221050732.8U CN202221050732U CN217252737U CN 217252737 U CN217252737 U CN 217252737U CN 202221050732 U CN202221050732 U CN 202221050732U CN 217252737 U CN217252737 U CN 217252737U
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Abstract
The utility model belongs to the technical field of casting molds, and discloses a casting mold with double liquid lifting pipes and side core pulling, wherein after mold closing, a main core pulling is positioned in a middle mold to form a casting main body cavity; the lower end of a feed inlet of the lower die is connected with two liquid lifting pipes, the left side of a casting cavity is provided with a side core-pulling mechanism with a core-pulling rod, a side core-pulling sliding block is fixedly connected with a main core-pulling and slides along an inclined guide pillar of the lower die, one side of the side core-pulling sliding block is contacted with the side core-pulling rod, and the other side of the side core-pulling sliding block is positioned in the main core-pulling; the side core-pulling rod, the side core-pulling slide block and the middle die form a supporting flange cavity; the left side and the right side of the casting cavity are respectively provided with a pouring vertical cylinder, and the upper side and the lower side of the pouring vertical cylinder are connected with an upper pouring gate and a lower pouring gate; the lower pouring gate is communicated with the lower side of the casting cavity, and the upper pouring gate is communicated with the upper flange cavity of the casting; the side core-pulling slide block moves horizontally along the inclined guide post relatively through the horizontal movement of the side core-pulling rod. The method realizes the all-metal low-pressure casting of the cast aluminum shell with the support flange, and achieves the simultaneous mold filling and multidirectional feeding of the aluminum liquid on two sides of the casting.
Description
Technical Field
The utility model belongs to the technical field of the casting mould, a casting mould of loosing core is taken to two stalk.
Background
In the operation process of the high-voltage switch equipment, the cylinder-type structure cast aluminum shell with the supporting flange bears 0.5-0.8MPa pressure for a long time and has higher air tightness requirement, so that parts are required to have excellent organization compactness and mechanical property. Because the circular arc shape of the inner cavity of the support flange structure is difficult to demould if all-metal mold casting is adopted, as shown in fig. 4, and effective feeding of the flange thick part is difficult to realize by a single riser pipe, in the prior art, sand mold gravity casting, sand mold low-pressure casting and gold sand mold low-pressure casting technology that the inner cavity of a casting is formed by sand cores are generally used for production.
The defects and shortcomings of the prior art are as follows:
a sand mold gravity casting, sand mold low pressure casting and gold sand type low pressure casting method that the casting inner cavity is formed by sand core all need sand mold and sand core, the surface quality is bad, the operation environment is bad, the production cost is high.
B, sand mold gravity casting and sand mold low-pressure casting are traditional production methods, the casting process yield is low, the casting qualification rate is low, the labor intensity is high, particularly, the process flow is long, the influence of human factors on the casting quality is large, and the casting quality stability is poor.
C, for a cylinder-type cast aluminum shell of a flange by conventional single-riser-tube low-pressure casting, the feeding distance is short, and effective feeding of the thick part of the flange is difficult to realize.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that above-mentioned prior art exists, the utility model aims to provide a two casting mould that rise liquid pipe area side and loose core has solved the problem that the section of thick bamboo type structure cast aluminum shell of a flange is difficult to realize the effective feeding of full metal type casting and the thick big position of flange because of the arc shape of a flange structure inner chamber.
The utility model discloses a realize through following technical scheme:
a casting mould with a double-riser liquid pipe and a side core pulling function comprises an upper mould, a middle mould, a lower mould and a main core pulling, wherein the main core pulling is fixed on the lower side of the upper mould; after the upper die, the lower die and the middle die are closed, the main core pulling is positioned in the middle die to form a casting main body cavity;
the lower die is provided with a left feed port and a right feed port, and the lower ends of the left feed port and the right feed port are respectively connected with a riser tube;
a side core-pulling mechanism is arranged on the left side of the casting main body cavity and comprises a side core-pulling rod and a side core-pulling slider, one side of the side core-pulling slider is in contact with the side core-pulling rod, and the other side of the side core-pulling slider is positioned in the main core-pulling core; the side core-pulling slide block is fixedly connected with the main core-pulling, the side core-pulling rod, the side core-pulling slide block and the middle mold form a flange supporting cavity, and the casting main body cavity is communicated with the flange supporting cavity to form a casting cavity;
a right pouring vertical cylinder is arranged on the right side of the casting main body cavity, a right feeding hole is communicated with a lower port of the right pouring vertical cylinder, and the right pouring vertical cylinder is communicated with the casting main body cavity;
a left pouring vertical cylinder is arranged on the left side of the casting main body cavity, a left feeding hole is communicated with a lower port of the left pouring vertical cylinder, and the left pouring vertical cylinder is communicated with the casting main body cavity and a flange supporting cavity;
an inclined guide hole is formed in the side core-pulling sliding block, an inclined guide pillar is arranged in the lower die, and the inclined guide pillar is located in the inclined guide hole.
Further, the lower side of the right pouring vertical cylinder is connected with a first lower pouring gate, and the upper side of the right pouring vertical cylinder is connected with a first upper pouring gate; the first lower pouring gate is communicated with the lower side of the casting main body cavity, and the first upper pouring gate is communicated with the flange cavity at the upper side of the casting cavity;
the left pouring vertical cylinder is connected with a second lower pouring gate, and the upper side of the left pouring vertical cylinder is connected with a second upper pouring gate; the second lower pouring gate is communicated with the lower sides of the casting main body cavity and the flange cavity, and the second upper pouring gate is communicated with the upper side of the casting main body cavity.
Further, the second lower pouring gate comprises two outlets, one outlet is communicated with the casting main body cavity, and the other outlet is communicated with the lower side of the flange supporting cavity;
the second runner comprises two outlets, one outlet is communicated with the flange cavity at the upper side of the casting body cavity, and the other outlet is communicated with the upper side of the flange cavity.
Furthermore, a feeding heat-insulating sleeve is sleeved outside the left feeding hole and the right feeding hole and is made of an aluminum silicate material.
Further, the outer end cover of side core pulling rod is equipped with the side connecting plate of loosing core, and the horizontal die sinking mechanism is connected through the connecting rod to the side connecting plate of loosing core.
Furthermore, the middle mold consists of a front mold and a rear mold, the front mold, the rear mold and the side core pulling rod are respectively connected with a horizontal mold opening mechanism, and the main core pulling mechanism and the upper mold are connected with an upper mold opening mechanism.
Furthermore, a plurality of upright guide rods are arranged between the upper die and the lower die, the upright guide rods are 0.2mm higher than the top surface of the middle die, and an exhaust gap of 0.2mm is formed between the top surface of the middle die and the upper die.
Further, the cross-sectional area of the riser tube is larger than the cross-sectional areas of the left pouring vertical cylinder and the right pouring vertical cylinder.
Furthermore, the cross section of the right pouring vertical cylinder is in a bent tubular shape.
Furthermore, the upper die comprises an upper die plate, the lower surface of the upper die plate is provided with a plurality of ejector rods, and the ejector rods are used for ejecting the casting from the upper die.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a casting mould with side core-pulling function for a double-riser liquid pipe, which comprises an upper mould, a middle mould, a lower mould and a main core-pulling part, wherein the middle mould consists of a front mould and a rear mould; the main loose core is fixed on the lower side of the upper die; after the upper die, the lower die and the middle die are closed, the main core pulling is positioned in the middle die to form a casting main body cavity; the lower die is provided with a left feed inlet and a right feed inlet, and the lower ends of the two feed inlets are respectively connected with a riser tube; the side core-pulling mechanism is arranged on the left side of the casting cavity and comprises a side core-pulling rod and a side core-pulling sliding block, the side core-pulling sliding block is fixedly connected with the main core-pulling core, one side of the side core-pulling sliding block is in contact with the side core-pulling rod, and the other side of the side core-pulling sliding block is located in the main core-pulling core. The side core-pulling rod, the side core-pulling slide block and the middle die form a flange supporting cavity, and the casting main body cavity is communicated with the flange supporting cavity to form a casting cavity; and the left side and the right side of the casting cavity are respectively provided with a pouring vertical cylinder. During pouring, molten metal enters the vertical pouring cylinders at two sides from the heat preservation furnace through the feed inlet through the double liquid lifting pipes under the action of pressure and then sequentially enters the casting cavity through the lower pouring gate and the upper pouring gate, so that stable filling of the molten aluminum is realized, and through the stages of filling, pressurizing and pressure maintaining, the molten metal depends on a stepped pouring system symmetrically arranged at two sides of the casting, so that the functions of stepped sequential filling and multidirectional feeding of the molten aluminum at two sides of the casting are realized, and the casting with compact structure is formed; after solidification is finished, the side core pulling rod is pulled out firstly, then the front half die and the rear half die are pulled apart, the lower die plate is still, the casting moves upwards under the action of the die opening mechanism along with the upper die and the main core pulling, and meanwhile, the inner core pulling slide block moves rightwards and slides into the main core pulling by utilizing the guiding action of the inclined guide post of the lower die. The utility model adopts the mechanism that the side core-pulling slide block, the side core-pulling rod, the inclined guide post installed on the lower die and the like form the inner cavity of the flange, realizes the automatic production of the cast aluminum shell with the flange on the low-pressure casting machine by the all-metal mold, improves the surface quality of the casting, increases the yield, has good corrosion resistance and pressure resistance, strong operability and convenient parameter control; by adopting the double liquid lifting pipes to communicate the low-pressure casting machine and the casting, the functions of simultaneous mold filling, multidirectional feeding and sequential solidification of aluminum liquid on two sides of the casting are realized, the feeding effect of the casting can be effectively enhanced, and the defects of shrinkage cavity and shrinkage porosity are reduced; because the sand mould and the sand core are not needed, the production efficiency is improved by more than one time, the production operation is simplified, the working environment is improved, the production cost and the labor intensity are reduced, and the casting method has the characteristics of green and environment-friendly casting.
Furthermore, the feeding heat-insulating sleeve adopts a silica-alumina material forming structure, so that the heat transfer between the molten metal and the lower die is isolated, and the feeding capacity of the high-temperature molten aluminum from the riser tube to the pouring vertical cylinder is improved.
Furthermore, by designing four upright post guide rods which are 0.2mm higher than the top surfaces of the front mold half and the rear mold half, a smooth mold structure gap exhaust mode is formed between the front mold half, the rear mold half and the upper mold by utilizing a gap of 0.2mm, and the gap is formed together with an ejector rod at the top of a riser of the upper mold and a parting surface of the front and rear mold halves, so that the sequential discharge of gas in a mold cavity and in molten aluminum in a mold filling process is realized, and casting defects such as gas entrainment, slag inclusion and the like are eliminated.
Furthermore, the cross-sectional area of the double liquid lifting pipes is larger than that of the pouring vertical cylinder, so that the pressure transmission of a pouring channel to a casting is strengthened, and the long-time effective feeding is realized.
Furthermore, the pouring vertical cylinder is in a bent tubular shape along with the external shape of the casting, so that the length of the gap type ingate is reduced, and the feeding capacity of the pouring vertical cylinder to the casting is improved.
Drawings
Fig. 1 is a top view of a casting mold with a double-lift liquid pipe and a side core pulling of the present invention, with an upper mold removed;
FIG. 2 is a schematic view of a cross-section A-A of the present invention;
FIG. 3 is a B-B structure diagram of the left and right half-mold parting surfaces of the present invention;
FIG. 4 is a schematic structural process diagram of a dual-casting riser and the resulting casting.
Wherein: 1. a riser tube; 2. feeding a heat-insulating sleeve; 3. a lower template; 4. a column guide bar; 5. a rear mold; 6. a reset lever; 7. a front mold; 8. main core pulling; 9. an upper die; 10. a top rod; 11. a limiting rod; 12. an inclined guide post; 13. a side core-pulling slider; 14. a connecting rod; 15. laterally drawing the core rod; 16. a side core-pulling connecting plate; 17. positioning pins; 18. casting; 19. a right feed port; 20. a first down-gate; 21. right pouring the vertical cylinder; 22. a left feed port; 23. pouring a vertical cylinder on the left; 24. a first up-runner; 25 is a second lower pouring channel; and 26 is a second up-runner.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
according to the technical scheme, referring to fig. 1-4, the utility model discloses a casting mould with side core pulling for a double-riser liquid pipe for producing a cast aluminum shell with a flange, which comprises an upper mould 9, a middle mould, a lower mould and a main core pulling 8, wherein the middle mould consists of a front mould 7 and a rear mould 5; the main loose core 8 is fixed on the lower side of the upper die 9; when the upper die 9, the lower die and the middle die are closed, the main loose core 8 is positioned in the middle die to form a casting main body cavity; a plurality of upright post guide rods 4 are arranged between the upper die 9 and the lower die; the lower die is provided with a left feed port 22 and a right feed port 19, and the lower ends of the left feed port 22 and the right feed port 19 are respectively connected with a riser tube 1; a side core-pulling mechanism is arranged on the left side of a casting main body cavity and comprises a side core-pulling rod 15 and a side core-pulling sliding block 13, one side of the side core-pulling sliding block 13 is in contact with the side core-pulling rod 15, and the other side of the side core-pulling sliding block is positioned in the main core-pulling 8; the side core-pulling slide block 13 is fixedly connected with the main core-pulling 8, the side core-pulling rod 15, the side core-pulling slide block 13 and the middle mold form a supporting flange cavity, and the casting main body cavity is communicated with the supporting flange cavity to form a casting cavity; a right pouring vertical cylinder 21 is arranged on the right side of the casting main body cavity, a right feed port 19 is communicated with a lower port of the right pouring vertical cylinder 21, a first lower pouring gate 20 is connected to the lower side of the right pouring vertical cylinder 21, and a first upper pouring gate 24 is connected to the upper side; the first lower pouring gate 20 is communicated with the lower side of the casting main body cavity, and the first upper pouring gate 24 is communicated with the upper side flange cavity of the casting cavity; a left pouring vertical cylinder 23 is arranged on the left side of the casting main body cavity, a left feed port 22 is communicated with a lower port of the left pouring vertical cylinder 23, the left pouring vertical cylinder 23 is connected with a second lower pouring gate 25, and the upper side of the left pouring vertical cylinder is connected with a second upper pouring gate 26; the second lower pouring gate 25 is communicated with the lower sides of the casting main body cavity and the flange supporting cavity, and the second upper pouring gate 26 is communicated with the upper side of the casting main body cavity; an inclined guide hole is formed in the side core-pulling slider 13, an inclined guide post 12 is arranged in the lower die, and the inclined guide post 12 is located in the inclined guide hole.
More preferably, the feeding heat-insulating sleeve 2 is arranged at the left feeding hole 22 and the right feeding hole 19, and the feeding heat-insulating sleeve 2 is made of aluminum silicate materials, so that heat transfer between molten metal and a lower die is isolated, and feeding capacity of high-temperature molten aluminum from the liquid lifting pipe 1 to the pouring vertical barrel is improved.
As shown in fig. 4, the left pouring vertical cylinder 23 and the right pouring vertical cylinder 21 communicate with the upper side and the lower side of the casting cavity through an up-gate and a down-gate, respectively.
The second down-gate 25 comprises two outlets, one outlet is communicated with the casting main body cavity, and the other outlet is communicated with the lower side of the flange supporting cavity; the second up-runner 26 includes two outlets, one of which communicates with the upper flange cavity of the casting body cavity and the other of which communicates with the upper side of the branch flange cavity.
As shown in fig. 2 and 3, the lower die plate 3 is installed on the bottom plate of the low-pressure casting machine, 2 feeding insulation sleeves 2 in the lower die plate 3 are aligned with the double liquid-lifting tubes 1 of the low-pressure casting machine, the feeding insulation sleeves 2, the upright column guide rod 4 and the inclined guide column 12 are installed on the lower die plate 3, the upper die mechanism is not changed, the upper die 9 is provided with the limiting rod 11, the ejector rod 10 and the reset rod 6, the main core-pulling 8 is installed on the lower side of the upper die 9, and the front die 7 and the rear die 5 are respectively installed on the front and rear 2-direction die-opening mechanisms of the low-pressure casting machine through the connecting rod 14.
The side core rod 15 is mounted on a horizontal left side mold opening mechanism of the low-pressure casting machine through a side core pulling connecting plate 16. The positioning pin 17 is used for horizontally positioning the rear die 5 and the front die 7, the four upright post guide rods 4 are used for vertically positioning the rear die 5, the front die 7 and the upper die 9, the reset rod 6 ensures that the ejector rod 10 of the upper die 9 does not enter a casting cavity in a die closing state, and the upper die 9, the main loose core 8, the inner loose core slide block 13, the side loose core rod 15, the front die 7, the rear die 5 and the lower die plate 3 form a die cavity for producing castings together with two feeding ports, a lower runner, an upper runner and other casting systems after the die is closed.
Preferably, the cross-sectional area of the double liquid lifting pipes 1 is larger than that of the pouring vertical cylinder, so that the pressure transmission of a pouring channel to a casting is strengthened, and the long-time effective feeding is realized.
As shown in FIG. 4, the right pouring vertical cylinder 21 is a bent tube, which reduces the length of the gap type ingate and improves the feeding capacity of the pouring vertical cylinder to the casting. The left pouring upright cylinder 23 is equivalent to a complete cavity formed by a supporting flange cavity and an upper pouring channel and a lower pouring channel.
The upright post guide rod 4 is 0.2mm higher than the top surface of the middle mold, and by designing the upright post guide rod 4 which is 0.2mm higher than the top surfaces of the front mold 7 and the rear mold 5 half mold, a gap of 0.2mm is formed and utilized between the front mold 7 and the rear mold 5 top surface and the upper mold 9, and a smooth mold structure gap exhaust mode is formed together with a top ejector rod 10 of a riser of the upper mold 9 and a gap of a parting surface of the front half mold and the rear half mold, so that the sequential exhaust of gas in a mold cavity and in aluminum liquid in a mold filling process is realized, and the casting defects of air entrainment, slag inclusion and the like are eliminated.
As shown in figure 2, when the die is cast on a low-pressure casting machine, molten metal enters two side casting upright cylinders from a holding furnace through a double-riser tube 1, a feeding holding sleeve 2 and a feeding port under the action of pressure and then sequentially enters a casting cavity through a lower pouring gate and an upper pouring gate, an exhaust system is formed by an ejector rod 10 at the top of a riser of an upper die 9, a gap between a parting surface of front and rear half dies and a gap between the upper surface of the front and rear half dies and the upper die 9 which are formed by upright post guide rods 4 which are 0.2mm higher than left and right half dies, so that sequential exhaust is ensured, stable filling of molten aluminum is realized, the molten metal enters the casting cavity from the above route and is filled, in the pressurizing and pressure maintaining stage, molten metal depends on double liquid lifting pipes 1, feeding heat-insulating sleeves 2 and a stepped pouring system which are symmetrically arranged on two sides of the casting, so that the functions of stepped sequential filling and multidirectional feeding of molten aluminum on the two sides of the casting are realized, and the casting 18 with compact tissues is formed; after solidification is finished, firstly, the side core pulling rod 15 is pulled out, then, a gap between the upper die 9 and the front and rear half dies is formed by four supporting guide rods, the front and rear half dies are pulled apart, the lower die plate 3 is still, a casting moves upwards under the action of the die opening mechanism along with the upper die 9 and the main core pulling 8, meanwhile, the inner core pulling slide block 13 moves rightwards and slides into the main core pulling 8 under the guiding action of the inclined guide post 12 of the lower die, at the moment, the upper die 9 and the main core pulling 8 carry the casting 18 to continue moving upwards to the limiting rod 11 under the action of the die opening mechanism, the top ejector rod 10 ejects the casting 18 out of the upper die 9, the casting is received by a tray on the low-pressure casting machine, and the casting is taken out through a special lifting appliance.
Claims (10)
1. A casting mould with a side core-pulling function for a double-riser liquid pipe is characterized by comprising an upper mould (9), a middle mould, a lower mould and a main core-pulling (8), wherein the main core-pulling (8) is fixed on the lower side of the upper mould (9); when the upper die (9), the lower die and the middle die are closed, the main loose core (8) is positioned in the middle die to form a casting main body cavity;
a left feed port (22) and a right feed port (19) are formed in the lower die, and the lower ends of the left feed port (22) and the right feed port (19) are respectively connected with a riser tube (1);
a side core-pulling mechanism is arranged on the left side of a casting main body cavity and comprises a side core-pulling rod (15) and a side core-pulling sliding block (13), one side of the side core-pulling sliding block (13) is in contact with the side core-pulling rod (15), and the other side of the side core-pulling sliding block is positioned in a main core-pulling (8); the side core-pulling slide block (13) is fixedly connected with the main core-pulling (8), the side core-pulling rod (15), the side core-pulling slide block (13) and the middle mold form a supporting flange cavity, and the casting main body cavity is communicated with the supporting flange cavity to form a casting cavity;
a right pouring vertical cylinder (21) is arranged on the right side of the casting main body cavity, a right feeding hole (19) is communicated with a lower port of the right pouring vertical cylinder (21), and the right pouring vertical cylinder (21) is communicated with the casting main body cavity;
a left pouring vertical cylinder (23) is arranged on the left side of the casting main body cavity, a left feeding hole (22) is communicated with a lower port of the left pouring vertical cylinder (23), and the left pouring vertical cylinder (23) is communicated with the casting main body cavity and the flange supporting cavity;
an inclined guide hole is formed in the side core-pulling sliding block (13), an inclined guide post (12) is arranged in the lower die, and the inclined guide post (12) is positioned in the inclined guide hole.
2. The casting mold with the side core pulling for the double-riser pipe as claimed in claim 1, wherein a first lower pouring gate (20) is connected to the lower side of the right pouring vertical cylinder (21), and a first upper pouring gate (24) is connected to the upper side; the first lower pouring gate (20) is communicated with the lower side of the casting main body cavity, and the first upper pouring gate (24) is communicated with the upper side flange cavity of the casting main body cavity;
the left pouring vertical cylinder (23) is connected with a second lower pouring gate (25), and the upper side of the left pouring vertical cylinder is connected with a second upper pouring gate (26); the second lower pouring channel (25) is communicated with the lower sides of the casting main body cavity and the flange supporting cavity, and the second upper pouring channel (26) is communicated with the upper side of the casting main body cavity.
3. The casting mold with side core pulling for the double liquid-lifting pipe according to claim 2, characterized in that the second lower pouring gate (25) comprises two outlets, one of which is communicated with the casting body cavity and the other is communicated with the lower side of the flange supporting cavity;
the second runner (26) includes two outlets, one of which communicates with the upper flange cavity of the casting body cavity and the other of which communicates with the upper side of the branch flange cavity.
4. The casting mold with the side core pulling function for the double liquid lifting pipes as claimed in claim 1, wherein a feeding insulation sleeve (2) is sleeved outside the left feeding port (22) and the right feeding port (19), and the feeding insulation sleeve (2) is made of aluminum silicate material.
5. The casting mold with the side core pulling function for the double liquid lifting tubes according to claim 1, characterized in that a side core pulling connecting plate (16) is sleeved at the outer end of the side core pulling rod (15), and the side core pulling connecting plate (16) is connected with a horizontal mold opening mechanism through a connecting rod (14).
6. The casting mold with the side core pulling function for the double-riser pipe as claimed in claim 1, wherein the middle mold consists of a front mold half (7) and a rear mold half (5), the front mold half (7), the rear mold half (5) and the side core pulling rod (15) are respectively connected with a horizontal mold opening mechanism, and the main core pulling mechanism (8) and the upper mold half (9) are connected with an upper mold opening mechanism.
7. The casting mold with the side core pulling function for the double liquid lifting pipes according to claim 1, wherein a plurality of upright guide rods (4) are arranged between the upper mold (9) and the lower mold, the upright guide rods (4) are 0.2mm higher than the top surface of the middle mold, and an exhaust gap of 0.2mm is formed between the top surface of the middle mold and the upper mold (9).
8. The casting mould with the side core pulling function for the double liquid lifting pipes as claimed in claim 1, wherein the cross-sectional area of the liquid lifting pipe (1) is larger than that of the left pouring vertical cylinder (23) and the right pouring vertical cylinder (21).
9. The casting mold with the side core pulling for the double liquid lifting pipe according to claim 1, wherein the cross-sectional shape of the right pouring vertical cylinder (21) is a bent pipe shape.
10. The casting mould with the side core pulling function for the double liquid lifting pipes as recited in claim 1, characterized in that the upper mould (9) comprises an upper mould plate, the lower surface of the upper mould plate is provided with a plurality of ejector rods (10), and the ejector rods (10) are used for ejecting the casting from the upper mould (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050732.8U CN217252737U (en) | 2022-05-05 | 2022-05-05 | Casting mould with side core-pulling function for double-riser pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050732.8U CN217252737U (en) | 2022-05-05 | 2022-05-05 | Casting mould with side core-pulling function for double-riser pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217252737U true CN217252737U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221050732.8U Active CN217252737U (en) | 2022-05-05 | 2022-05-05 | Casting mould with side core-pulling function for double-riser pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217252737U (en) |
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2022
- 2022-05-05 CN CN202221050732.8U patent/CN217252737U/en active Active
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