CN219052899U - Mould disk cover closing device - Google Patents
Mould disk cover closing device Download PDFInfo
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- CN219052899U CN219052899U CN202223408994.XU CN202223408994U CN219052899U CN 219052899 U CN219052899 U CN 219052899U CN 202223408994 U CN202223408994 U CN 202223408994U CN 219052899 U CN219052899 U CN 219052899U
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Abstract
The utility model relates to a die plate cover pressing device, which comprises a single die plate unit or a plurality of die plate units which are adjacently arranged, wherein the top surface of the single die plate unit is provided with a die plate cover, a sealing ring structure is pressed between the bottom surface of the die plate cover and the contact surface of the die plate unit, two opposite long sides of the single die plate cover are provided with pressure bearing blocks at intervals along the length direction, the pressure bearing blocks on the same long side apply downward force by the same group of pressure applying mechanisms, the pressure bearing blocks are forced to drive the die plate cover to be tightly attached to the lower die plate unit, and the sealing performance of the die plate cover on the top surface of the die plate unit is effectively improved, so that a cavity in the die plate unit is better isolated from the outside, and the negative pressure casting performance of a casting complete machine is effectively assisted.
Description
Technical Field
The utility model relates to the technical field of casting forming auxiliary equipment, in particular to a die disc cover pressing device.
Background
The aluminum round ingot negative pressure casting equipment is one of aluminum round ingot casting forming equipment, negative pressure casting is realized through a siphon effect, leakage of aluminum water during casting failure is effectively reduced through siphon aluminum supply, and the safety coefficient of aluminum round ingot casting is improved.
In the prior art, a die plate cover is assembled on the top surface of the die plate unit, and the die plate cover is driven by an electric push rod to drive a turnover bracket to be attached and pressed on the top surface of the die plate unit, so that a distribution chamber inside the die plate unit is isolated from the outside, a closed space is formed, and a reliable way is provided for siphoning and aluminum supply. However, when the electric push rod drives the overturning bracket to enable the die plate cover to be attached to the die plate unit, the condition that the die plate cover is not tightly pressed in place sometimes happens, so that a distribution cavity of the die plate unit is not completely isolated from the outside, and the siphon aluminum supply is failed to be established, so that casting failure is caused.
Disclosure of Invention
The applicant provides the die plate cover pressing device with reasonable structure aiming at the defects in the prior art, so that the problem that the die plate cover is not pressed in place relative to the die plate unit is solved, the sealing performance of the die plate cover on the top surface of the die plate unit is effectively improved, the cavity in the die plate unit is effectively isolated from the outside, and the negative pressure casting performance of the casting complete machine is ensured by assistance.
The technical scheme adopted by the utility model is as follows:
a die plate cover pressing device comprises a single die plate unit or a plurality of die plate units which are adjacently arranged, wherein the top surface of the single die plate unit is provided with a die plate cover, a sealing ring structure is arranged between the bottom surface of the die plate cover and the contact surface of the die plate unit in a pressing mode, two opposite long sides of the single die plate cover are provided with pressure bearing blocks at intervals along the length direction, the pressure bearing blocks on the same long side apply downward force by the same group of pressure applying mechanisms, and the pressure bearing blocks are stressed to drive the die plate cover to be tightly attached to the die plate units below.
As a further improvement of the above technical scheme:
the top surface of the pressure bearing block is set to be an inclined surface, a pressing wheel in the pressing mechanism is attached to the top surface of the pressure bearing block, the pressing wheel horizontally moves to a high position from a low position relative to the inclined surface, and the pressure bearing block receives downward pressure.
The inclined plane of pressure-bearing piece top surface is along mould dish unit length direction slope, and pressing mechanism is including the even board that moves along mould dish unit length direction, even board top along length direction interval upwards extend have with the lug of pressure-bearing piece one-to-one, and the tight wheel of clamp is all rotated to the lug side.
The outer side surface of the die disc unit is provided with a linear guide rail along the length direction, and the connecting plate is slidably arranged on the linear guide rail through a sliding block; the outer side surface of the die plate unit positioned outside the connecting plate end is also provided with an air cylinder, and the output end of the air cylinder horizontally faces the end of the connecting plate and is mutually connected.
The adjacent mould disc units share the same group of pressing mechanisms at intervals, the two sides of the lug in the pressing mechanisms are symmetrically provided with pressing wheels, and the pressing wheels at the two sides are respectively attached to the pressure bearing blocks at the edges of the mould disc covers on the top surfaces of the adjacent mould disc units for applying force.
The pneumatic control assembly outputs constant air pressure to each air cylinder, and the air pressure provided by the pneumatic control assembly to the air cylinder in the pressure applying mechanism shared by the two groups of die units is higher than the air pressure provided by the air cylinder in the pressure applying mechanism used independently for the outermost die unit.
The pneumatic control assembly has the structure that: the pressure reducing valve comprises a first pressure reducing valve, wherein the input end of the first pressure reducing valve is communicated with an external air source, the output end of the first pressure reducing valve is divided into two paths through a three-way joint, one path of the first pressure reducing valve is connected to one input end of a pressure partition valve island, and the other path of the first pressure reducing valve is connected in series with a second pressure reducing valve and then is connected to the other input end of the pressure partition valve island; after the pressure is partitioned by the pressure partition valve island, the pressure partition valve island is connected to a corresponding cylinder through each connector of the output end.
The cross section of the connecting plate is of an inverted L-shaped structure, an L-shaped plate body is formed, lugs are arranged on the top surface of the horizontal part of the L-shaped plate body at intervals, and the inner side surface of the vertical part of the L-shaped plate body is assembled with the sliding block; the end of the connecting plate extends towards the air cylinder to form a side lug, and the output end of the air cylinder is connected with the side lug.
The pressure block is embedded in the top surface of the edge of the die disc cover, the edge of the die disc cover positioned at the lower end of the top surface of the pressure block is provided with a notch which penetrates up and down, and the length dimension of the notch is larger than the diameter dimension of the pressure wheel.
The pressure-bearing block is provided with a locking hole and a top thread hole which penetrate up and down, the external fastener penetrates through the locking hole from top to bottom and then is locked with the die disc cover, the top thread hole is internally provided with a top thread from top to bottom, and the bottom surface of the top thread is propped against the top surface of the die disc cover.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure and convenient operation, applies downward force to each pressure-bearing block through the pressure-applying mechanism, drives the die plate cover to be pressed down on the die plate unit along the edge of the length direction, effectively improves the sealing performance of the die plate cover on the top of the die plate unit, thereby better isolating the cavity in the die plate unit from the outside and effectively helping to ensure the negative pressure casting performance of the casting complete machine;
the utility model also has the following advantages:
the plurality of pressure bearing blocks are arranged at intervals along the length direction of the die disc cover, and the pressure bearing blocks on the same long side are applied with force by the same group of pressure applying mechanisms, so that the die disc cover is subjected to relatively uniform downward pressure along the edge direction by synchronously bearing the force through the plurality of pressure bearing blocks, and the sealing effect between the die disc cover and the lower die disc unit is effectively ensured;
along with the horizontal movement of the compression wheel along the direction of the inclined plane of the top surface of the pressure block, the horizontal movement of the compression wheel is converted into the downward movement of the pressure block, so that the die disc cover is driven to gradually move downwards, and the die disc cover is pressed in place and kept in the state, so that the isolation of the inner cavity of the die disc unit in the working process is reliably ensured;
the air cylinders in each group of pressing mechanisms are supplied with air by the same group of pneumatic control components, so that the action simultaneity and synchronism of each air cylinder are effectively ensured; and for the cylinder in the pressing mechanism which simultaneously presses on two adjacent groups of die plate units, the pneumatic control assembly supplies higher air pressure to the cylinder, so that the same downward pressure is effectively applied to each die plate cover, and the sealing effect of the die plate covers after being pressed down is ensured.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a schematic view of the structure of the present utility model at another angle.
Fig. 4 is a partial cross-sectional view of the present utility model.
FIG. 5 is a schematic view of the pneumatic control assembly of the present utility model.
Fig. 6 is a schematic structural view of the pressure-bearing block of the present utility model.
FIG. 7 is a schematic view of the structure of the connecting plate of the present utility model.
FIG. 8 is a schematic view showing the installation of the pressure-bearing block on the die plate cover of the present utility model.
Fig. 9 is a partial enlarged view at B in fig. 8.
Wherein: 1. a die plate unit; 2. a mold cover; 3. an electric push rod; 4. a linear guide rail; 5. overturning the bracket; 6. a connecting plate; 7. a pinch roller; 8. a pressure block; 9. a cylinder;
10. an external air source; 11. a first pressure reducing valve; 12. a three-way joint; 13. a pressure reducing valve II; 14. a pressure zone valve island;
21. a notch;
61. a lug; 62. an L-shaped plate body; 63. a lateral ear;
81. an inclined plane; 82. a locking hole; 83. and (5) a top thread hole.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1, 2 and 3, the die plate cover pressing device of this embodiment includes a single or a plurality of adjacently arranged die plate units 1, the die plate cover 2 is assembled on the top surface of the single die plate unit 1, a sealing ring structure is pressed between the contact surface of the bottom surface of the die plate cover 2 and the die plate unit 1, the bearing blocks 8 are installed on two opposite long sides of the single die plate cover 2 along the length direction at intervals, the bearing blocks 8 on the same long side apply downward force by the same group of pressing mechanisms, and the bearing blocks 8 are forced to drive the die plate cover 2 to be tightly attached to the lower die plate unit 1.
In this embodiment, the pressing mechanism applies downward force to each pressure bearing block 8 to drive the die plate cover 2 to be pressed down on the die plate unit 1 along the edge of the length direction, so that the sealing performance of the die plate cover 2 on the top surface of the die plate unit 1 is effectively improved.
And, the pressure-bearing blocks 8 are arranged at intervals along the length direction of the die plate cover 2, and the pressure-bearing blocks 8 on the same long side are applied with force by the same group of pressing mechanisms, so that the die plate cover 2 is subjected to relatively uniform downward pressure along the edge direction by synchronously bearing the force through the pressure-bearing blocks 8, and the sealing effect between the die plate cover 2 and the lower die plate unit 1 is effectively ensured.
The top surface of the pressure bearing block 8 is provided with an inclined surface 81, the pressing wheel 7 in the pressing mechanism is attached to the top surface of the pressure bearing block 8, the pressing wheel 7 horizontally moves to a high position from a low position relative to the inclined surface 81, and the pressure bearing block 8 receives downward pressure, so that the horizontal movement of the pressing wheel 7 is converted into the vertical movement of the pressure bearing block 8 through the inclined surface 81.
In this embodiment, along with the horizontal movement of the pressing wheel 7 along the direction of the inclined surface 81 of the top surface of the pressure bearing block 8, the horizontal movement of the pressing wheel 7 is converted into the downward movement of the pressure bearing block 8, so as to drive the die disc cover 2 to move down gradually, so that the die disc cover 2 is pressed down in place and kept in the state, and the isolation of the inner cavity of the die disc unit 1 is ensured reliably in the working process.
Of course, the driving of driving the pressure-bearing block 8 to move downwards may be other structures, for example, a lifting block which moves up and down directly, and the lifting block moves downwards to contact and apply force to the pressure-bearing block 8, so that the pressure-bearing block 8 can be directly driven to move downwards.
As shown in fig. 6, the inclined surface 81 of the top surface of the pressure-bearing block 8 is inclined along the length direction of the die plate unit 1, the pressing mechanism comprises a connecting plate 6 moving along the length direction of the die plate unit 1, lugs 61 corresponding to the pressure-bearing blocks 8 one by one are upwards extended at intervals along the length direction at the top of the connecting plate 6, and the sides of the lugs 61 are respectively provided with a pressing wheel 7 in a rotating manner; so that the synchronous movement of the plurality of pressing wheels 7 is driven by the horizontal movement of the single connecting plate 6, and thus downward force is applied to each pressure bearing block 8 at the same edge of the die cover 2 by the pressing wheels 7.
As shown in fig. 4, the adjacent die units 1 share the same group of pressing mechanisms at intervals, in the pressing mechanisms, two sides of the lug 61 are symmetrically provided with the pressing wheels 7, and the pressing wheels 7 at two sides are respectively attached to the bearing blocks 8 at the edge of the die cover 2 at the top surface of the adjacent die unit 1 for applying force.
In this embodiment, the connecting plate 6 may be movably disposed on one side of the adjacent mold units 1, and passes upward through the smaller space position at the opening between the adjacent mold units 1 via the lugs 61, and the pressing wheels 7 are symmetrically installed on the top of the lugs 61, so as to facilitate synchronous pressing of the mold cover 2 above the adjacent mold units 1 near the edge; the whole structure is compact and ingenious, and the space layout is reasonable.
The pneumatic control assembly is synchronously communicated with the air paths of the air cylinders 9 in each pressing mechanism, the pneumatic control assembly outputs constant air pressure to each air cylinder 9, and the air pressure provided by the pneumatic control assembly to the air cylinder 9 in the pressing mechanism shared between the two groups of die units 1 is higher than the air pressure provided to the air cylinder 9 in the pressing mechanism used independently for the outermost die unit 1.
In the embodiment, the air cylinders 9 in each group of pressing mechanisms are supplied by the same group of pneumatic control components, so that the action simultaneity and synchronism of each air cylinder 9 are effectively ensured; and, for the cylinder 9 in the pressing mechanism that applies pressure on two adjacent groups of mould disc units 1 simultaneously, the pneumatic control assembly supplies higher air pressure to the cylinder, so that the same downward pressure is applied to each mould disc cover 2, and the sealing effect of the mould disc covers 2 after being pressed down is ensured.
As shown in fig. 5, the pneumatic control assembly has the following structure: the pressure reducing valve comprises a first pressure reducing valve 11, wherein the input end of the first pressure reducing valve 11 is communicated with an external air source 10, the output end of the first pressure reducing valve 11 is divided into two paths through a three-way joint 12, one path of the pressure reducing valve is connected to one input end of a pressure partition valve island 14, and the other path of the pressure reducing valve is connected in series with a second pressure reducing valve 13 and then is connected to the other input end of the pressure partition valve island 14; after the pressure is divided by the pressure dividing valve island 14, the pressure is connected to the corresponding cylinder 9 through each joint of the output end.
In this embodiment, the total air pressure input from the external air source 10 is adjusted through the first pressure reducing valve 11, and the air pressure input to one of the branches in the pressure-dividing valve island 14 is adjusted through the second pressure reducing valve 13, so as to adjust the different pressures output from the output end of the pressure-dividing valve island 14; the pressure reducing valve I11 and the pressure reducing valve II 13 are matched for use, so that different pressures finally output from the pressure partition valve island 14 can be just suitable for the cylinders 9 in the shared and single-purpose pressing mechanisms, namely, different and applicable air pressures are provided for the cylinders 9 under two use situations.
The pressure-dividing valve island 14 in this embodiment is an outsourcing standard part, which performs pressure division on the input air pressure and outputs the air pressure.
The outer side surface of the die plate unit 1 is provided with a linear guide rail 4 along the length direction, and a connecting plate 6 is slidably arranged on the linear guide rail 4 through a sliding block; the outer side surface of the die plate unit 1 positioned outside the end of the connecting plate 6 is also provided with an air cylinder 9, and the output end of the air cylinder 9 horizontally faces the end of the connecting plate 6 and is mutually connected.
The link plate 6 is moved in the horizontal direction along the linear guide 4 by driving of the air cylinder 9.
As shown in fig. 7, the cross section of the connecting plate 6 is of an inverted L-shaped structure, forming an L-shaped plate body 62, lugs 61 are arranged on the top surface of the horizontal portion of the L-shaped plate body 62 at intervals, and the inner side surface of the vertical portion of the L-shaped plate body 62 is fitted with a slider.
In this embodiment, the connecting plate 6 is provided with an L-shaped cross section, which is convenient for the arrangement of the connecting plate 6 and the linear guide 4 in the limited space between the adjacent mold units 1, and is convenient for the arrangement of the lugs 61 at the top of the connecting plate 6 and the upward penetration of the lugs 61, and the overall structure layout is compact.
The end of the connecting plate 6 extends towards the air cylinder 9 to form a side lug 63, and the output end of the air cylinder 9 is connected with the side lug 63.
As shown in fig. 8 and 9, the pressure-bearing block 8 is embedded in the top surface of the edge of the die plate cover 2, the edge of the die plate cover 2 positioned at the lower end of the top surface of the pressure-bearing block 8 is provided with a notch 21 penetrating up and down, and the length dimension of the notch 21 is larger than the diameter dimension of the pressing wheel 7.
When the pressing wheel 7 horizontally moves to the upper part of the notch 21 relative to the pressure-bearing block 8 and the die disc cover 2, the structure is avoided, and at the moment, the die disc cover 2 can be turned and moved relative to the die disc unit 1 to be opened through the turning support 5 under the operation of the external electric push rod 3.
The pressure block 8 is provided with a locking hole 82 and a jackscrew hole 83 which penetrate up and down, and an external fastener penetrates through the locking hole 82 from top to bottom and then is locked with the die disc cover 2, so that the pressure block 8 and the die disc rod 2 are mutually locked; the top thread hole 83 locks the top thread from top to bottom, and the bottom surface of the top thread abuts against the top surface of the die disc cover 2, so that the micro distance between the top surface of the die disc cover 2 and the pressure-bearing block 8 is adjusted by screwing in or screwing out the top thread, and the distance of the die disc cover 2 moving downwards relative to the die disc unit 1 under the pressure of the pressure-applying mechanism is adjusted.
The application mode of the utility model is as follows:
the external electric push rod 3 works and drives the die disc cover 2 to be closed relative to the die disc unit 1 through the overturning bracket 5; the cylinder 9 works to drive the connecting plate 6 to horizontally move along the linear guide rail 4, the pressing wheel 7 on the lug 61 synchronously horizontally moves along with the connecting plate 6, the pressing wheel 7 relatively moves to a high position from the lower position of the inclined surface 81 of the corresponding pressure bearing block 8, the pressure bearing block 8 is pushed to relatively move downwards, the die disc cover 2 moves downwards, the die disc cover 2 is further pressed and attached relative to the die disc unit 1, and sealing of the die disc unit 1 is realized and effectively ensured.
The utility model has the advantages of ingenious and compact layout and simple operation, effectively improves and ensures the sealing performance of the die disc cover 2 on the top surface of the die disc unit 1, thereby better isolating the cavity in the die disc unit 1 from the outside, and effectively helping to ensure the negative pressure casting performance of the casting complete machine.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (10)
1. The utility model provides a mould dish lid closing device, includes single or a plurality of mould dish unit (1) that adjacently arranged, and mould dish lid (2) are all furnished with to single mould dish unit (1) top surface, press fit sealing washer structure, its characterized in that between mould dish lid (2) bottom surface and the mould dish unit (1) contact surface: and the two opposite long sides of the single die disc cover (2) are respectively provided with a pressure-bearing block (8) along the length direction at intervals, the pressure-bearing blocks (8) on the same long side apply downward force by the same group of pressing mechanisms, and the pressure-bearing blocks (8) are stressed to drive the die disc cover (2) to be tightly attached to the lower die disc unit (1).
2. The die cover hold-down device of claim 1, wherein: the top surface of the pressure bearing block (8) is provided with an inclined surface (81), a pressing wheel (7) in the pressing mechanism is attached to the top surface of the pressure bearing block (8), the pressing wheel (7) horizontally moves to a high position from a low position relative to the inclined surface (81), and the pressure bearing block (8) is subjected to downward pressure.
3. The die cover hold-down device of claim 2, wherein: inclined planes (81) of the top surfaces of the pressure-bearing blocks (8) incline along the length direction of the die plate units (1), the pressing mechanism comprises connecting plates (6) moving along the length direction of the die plate units (1), lugs (61) corresponding to the pressure-bearing blocks (8) are upwards extended at intervals along the length direction at the tops of the connecting plates (6), and the sides of the lugs (61) are respectively provided with a pressing wheel (7) in a rotating mode.
4. A die cover hold down device as defined in claim 3, wherein: the outer side surface of the die plate unit (1) is provided with a linear guide rail (4) along the length direction, and the connecting plate (6) is slidably arranged on the linear guide rail (4) through a sliding block; the outer side surface of the die plate unit (1) positioned outside the end of the connecting plate (6) is also provided with an air cylinder (9), and the output end of the air cylinder (9) horizontally faces the end of the connecting plate (6) and is mutually connected.
5. A die cover hold down device as claimed in claim 3 or 4, wherein: the adjacent mould disc units (1) share the same group of pressing mechanisms at intervals, the two sides of each lug (61) in the pressing mechanisms are symmetrically provided with pressing wheels (7), and the pressing wheels (7) at the two sides are respectively attached to and applied to a pressure bearing block (8) at the edge of the mould disc cover (2) on the top surface of the adjacent mould disc unit (1).
6. The die cover hold-down device of claim 5, wherein: the pneumatic control assembly is synchronously communicated with air paths of the air cylinders (9) in each pressing mechanism, constant air pressure is output to each air cylinder (9) by the pneumatic control assembly, and the air pressure provided by the pneumatic control assembly to the air cylinders (9) in the pressing mechanism shared between the two groups of die units (1) is higher than the air pressure provided by the air cylinders (9) in the pressing mechanism used independently for the outermost die unit (1).
7. The die cover hold-down device of claim 6, wherein: the pneumatic control assembly has the structure that: the pressure reducing valve comprises a first pressure reducing valve (11), wherein the input end of the first pressure reducing valve (11) is communicated with an external air source (10), the output end of the first pressure reducing valve (11) is divided into two paths through a three-way joint (12), one path of the pressure reducing valve is connected to one input end of a pressure partition valve island (14), and the other path of the pressure reducing valve is connected in series with a second pressure reducing valve (13) and then is connected to the other input end of the pressure partition valve island (14); the pressure partitioning valve island (14) partitions the pressure and is connected to the corresponding cylinder (9) through each joint of the output end.
8. The die cover hold-down device of claim 4, wherein: the cross section of the connecting plate (6) is of an inverted L-shaped structure, an L-shaped plate body (62) is formed, lugs (61) are arranged on the top surface of the horizontal part of the L-shaped plate body (62) at intervals, and the inner side surface of the vertical part of the L-shaped plate body (62) is assembled with the sliding block; the end of the connecting plate (6) extends towards the air cylinder (9) to form a side lug (63), and the output end of the air cylinder (9) is connected with the side lug (63).
9. The die cover hold-down device of claim 2, wherein: the pressure-bearing block (8) is embedded in the top surface of the edge of the die disc cover (2), a notch (21) penetrating up and down is formed in the edge of the die disc cover (2) at the lower end of the top surface of the pressure-bearing block (8), and the length size of the notch (21) is larger than the diameter size of the pressing wheel (7).
10. The die cover hold-down device of claim 1, wherein: the pressure-bearing block (8) is provided with a locking hole (82) and a jackscrew hole (83) which penetrate up and down, an external fastener penetrates through the locking hole (82) from top to bottom and then is locked with the die disc cover (2), jackscrews are locked in the jackscrew hole (83) from top to bottom, and the bottom surface of each jackscrew abuts against the top surface of the die disc cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223408994.XU CN219052899U (en) | 2022-12-19 | 2022-12-19 | Mould disk cover closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223408994.XU CN219052899U (en) | 2022-12-19 | 2022-12-19 | Mould disk cover closing device |
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| Publication Number | Publication Date |
|---|---|
| CN219052899U true CN219052899U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223408994.XU Active CN219052899U (en) | 2022-12-19 | 2022-12-19 | Mould disk cover closing device |
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| CN (1) | CN219052899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117583584A (en) * | 2024-01-19 | 2024-02-23 | 江苏双友智能装备科技股份有限公司 | Full-automatic aluminum round ingot negative pressure casting equipment |
-
2022
- 2022-12-19 CN CN202223408994.XU patent/CN219052899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117583584A (en) * | 2024-01-19 | 2024-02-23 | 江苏双友智能装备科技股份有限公司 | Full-automatic aluminum round ingot negative pressure casting equipment |
| CN117583584B (en) * | 2024-01-19 | 2024-04-09 | 江苏双友智能装备科技股份有限公司 | Full-automatic aluminum round ingot negative pressure casting equipment |
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