CN109434074B - Mechanical wedge iron device of differential pressure casting machine - Google Patents
Mechanical wedge iron device of differential pressure casting machine Download PDFInfo
- Publication number
- CN109434074B CN109434074B CN201811562583.1A CN201811562583A CN109434074B CN 109434074 B CN109434074 B CN 109434074B CN 201811562583 A CN201811562583 A CN 201811562583A CN 109434074 B CN109434074 B CN 109434074B
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- wedge
- columns
- plate
- holes
- falling
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 51
- 238000005266 casting Methods 0.000 title claims abstract description 30
- 238000010009 beating Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 230000002265 prevention Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a mechanical wedge iron device of a differential pressure casting machine, wherein a top plate is arranged at the upper part of a fixed frame, lifting piston holes are formed in the middle of the top plate, wedge iron locking column holes are formed in two sides of the lifting piston holes, anti-falling column holes are formed beside the wedge iron locking column holes, lifting pistons, wedge iron locking columns and anti-falling columns are respectively arranged on the lifting piston holes, the wedge iron locking column holes and the anti-falling column holes, vertically penetrate through the top plate, the bottom ends of the lifting pistons, the wedge iron locking columns and the anti-falling columns are fixedly connected to a movable plate, and a balance plate is arranged under the top plate, and the lower ends of the lifting pistons, the wedge iron locking columns and the anti-falling columns penetrate through the balance plate; lifting of the movable plate is assisted by the lifting piston, the wedge iron locking column and the anti-falling column, so that the movable plate cannot fall when the movable plate ascends to open the die, and cannot be accidentally lifted when the movable plate descends to close the die, and stability of a product when the movable plate opens and closes the die is guaranteed.
Description
Technical Field
The invention relates to the technical field of aluminum alloy part casting equipment, in particular to a mechanical wedge iron device of a differential pressure casting machine.
Background
Differential pressure casting is also called back pressure casting and differential pressure casting. On the basis of low pressure casting, the casting mold is covered with a sealing cover, and compressed air is introduced into the crucible and the cover, but the pressure in the crucible is slightly higher, so that the molten metal in the crucible fills the casting mold through a liquid lifting pipe under the action of pressure difference, and is crystallized under the pressure. It is a combination of low pressure casting and crystallization under pressure.
Some castings have high internal quality requirements and are intended to crystallize at higher pressures, but generally the crystallization pressures at low pressure casting cannot be too great. Thus, differential pressure low pressure casting was developed. The technological process is to seal the resistance heat preserving furnace and the casting mold completely, and to introduce compressed air with great pressure of 500kPa into the sealing cover, so that the molten metal will not rise and the molten metal will rise to fill the cavity after the pressure of 50kPa is added. At the same time, the molten metal in the casting mould is crystallized and solidified under high pressure. The method can make the casting obtain a compact crystal structure, and improve the mechanical properties of the casting. However, in the existing mold opening process, the mold opening process is simpler, as in the differential pressure casting machine disclosed in publication number CN 103978173, the mold is simply lifted by a hydraulic cylinder, the pressure maintaining of a lifting column driven by the hydraulic cylinder is 40 tons, which easily causes that a high-pressure sealing cavity is easily accidentally lifted and opened in the casting process, and the pressure maintaining of a hydraulic cylinder can cause that a casting mold cavity is cracked due to accidental pressure relief, so that molten aluminum splashes, thereby causing harm, so that the problem of the type is particularly important to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a mechanical wedge iron device of a differential pressure casting machine, which assists the lifting of a movable plate by arranging a lifting piston, a wedge iron locking column and an anti-falling column, so that the stability of a product during die opening is ensured in the lifting process of the movable plate.
In order to solve the problems, the invention provides a mechanical wedge iron device of a differential die casting machine, wherein a top plate is arranged at the upper part of a fixed frame, a lifting piston hole is arranged in the middle of the top plate, wedge iron locking column holes are arranged at two sides of the lifting piston hole, anti-falling column holes are arranged beside the wedge iron locking column holes, lifting pistons, wedge iron locking columns and anti-falling columns are respectively arranged on the lifting piston hole, the wedge iron locking column holes and the anti-falling column holes, the lifting pistons, the wedge iron locking columns and the anti-falling columns vertically penetrate through the top plate, the bottom ends of the lifting pistons, the wedge iron locking columns and the anti-falling columns are fixedly connected to a moving plate, and a balance plate is arranged under the top plate, and the lower ends of the lifting pistons, the wedge iron locking columns and the anti-falling columns penetrate through the balance plate.
The further improvement is that: the balance plate is provided with a material beating rod, and a displacement sensor is arranged beside the balance plate.
The further improvement is that: the middle part of the lifting piston is provided with a safety lock component, the lower end of the wedge iron locking column is provided with a safety lock component, and the upper end of the anti-falling column is also provided with a safety lock component.
The further improvement is that: the safety lock assembly of the wedge iron locking column is provided with a horizontal synchronous frame, and the synchronous frame is provided with a connecting rod.
The further improvement is that: the balance plate is characterized in that positioning bolts are arranged between the balance plate and the moving plate, material beating cylinders are arranged on two sides of the upper surface of the balance plate, and mounting seat brackets of the material beating cylinders are connected to the moving plate.
The further improvement is that: the lifting-preventing device comprises a guide rail, a pull rod and an air cylinder (21), wherein the lower end of the top plate is fixedly connected with the guide rail, the pull rod is arranged in the guide rail, the air cylinders are arranged on two sides of the pull rod, the air cylinders control the pull rod to move left and right in the guide rail, sleeves are symmetrically arranged at the lower end of the guide rail, an elliptical mounting hole is formed in the middle of the pull rod and used for mounting a wedge locking column, circular positioning holes are formed in two sides of the elliptical mounting hole, wedge blocks are arranged below the circular positioning holes, and the upper ends of the wedge locking columns prop against the wedge blocks.
The further improvement is that: the telescopic end of the air cylinder is provided with an end cover, the end cover is matched with the end head of the guide rail, the telescopic end of the air cylinder is provided with a telescopic joint, the telescopic joint corresponds to the end head of the pull rod, two sides of the joint of the telescopic joint and the end head of the pull rod are provided with positioning plates, the outer sides of the positioning plates are connected with friction rods, and the friction rods are connected in sliding grooves of the guide rail.
The further improvement is that: the locating plate is provided with two shaft holes, the expansion joint and the end of the pull rod are also provided with shaft holes, the locating plate shaft holes and the expansion joint shaft holes are provided with first connecting shafts, the locating plate shaft holes and the end shaft holes of the pull rod are provided with second connecting shafts, and two ends of the first connecting shafts are connected with friction sticks.
The further improvement is that: and circlips are arranged at the joints of all connecting shafts and all shaft holes.
Be provided with the pull rod on the guide rail, be provided with oval mounting hole on the pull rod simultaneously and install the lift piston to utilize the cylinder at both ends to drive the pull rod and do left and right sides displacement, make the pull rod can be fine inject the lift piston, can improve the stability of lift piston in the lift in-process again simultaneously, wherein through being provided with the shaft hole on expansion joint and pull rod end, fix both with the second connecting axle, fix locating plate and expansion joint with first connecting axle on, and connect it on friction rod, the displacement of control pull rod that can be effectively stable.
The beneficial effects of the invention are as follows: according to the invention, the lifting piston, the wedge iron locking columns and the anti-falling columns are fixed through the top plate, the lifting piston drives the movable plate to lift, the wedge iron locking columns and the anti-falling columns are used for guaranteeing the balance of the movable plate in the lifting process, and the synchronous frame is used for coordinating the stability of the two wedge iron locking columns so as to further improve the balance of the movable plate in the lifting process.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion of the present invention.
Fig. 3 is an overall view of the differential pressure casting machine.
Fig. 4 is an assembly view of the lift-off prevention device of the present invention.
Fig. 5 is a structural view of the lift-off prevention device of the present invention.
Fig. 6 is a perspective view of the lift-off prevention device of the present invention.
Fig. 7 is a partial enlarged view of the lift-off prevention device of the present invention.
Fig. 8 is an internal structural view of the lift-off prevention device of the present invention.
Wherein: the device comprises a fixed frame, a 2-top plate, a 3-lifting piston hole, a 4-wedge iron locking column hole, a 5-falling preventing column hole, a 6-lifting piston, a 7-wedge iron locking column, an 8-falling preventing column, a 9-moving plate, a 10-balance plate, an 11-striking rod, a 12-displacement sensor, a 13-safety lock assembly, a 14-synchronous frame, a 15-connecting rod, a 16-positioning bolt, a 17-striking cylinder, a 18-mounting seat bracket, a 19-guide rail, a 20-pull rod, a 21-cylinder, a 22-sleeve, a 23-elliptic mounting hole, a 24-circular positioning hole, a 25-end cover, a 26-expansion joint, a 27-pull rod end, a 28-positioning plate, a 29-friction rod, a 30-sliding chute, a 31-shaft hole, a 32-first connecting shaft, a 33-second connecting shaft, a 34-elastic retainer ring and a 35-wedge block.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1-8, the present embodiment provides a mechanical wedge iron device of a differential pressure casting machine, a top plate 2 is disposed at an upper portion of a fixed frame 1, a lifting piston hole 3 is disposed in a middle portion of the top plate 2, wedge iron locking column holes 4 are disposed at two sides of the lifting piston hole 3, anti-falling column holes 5 are disposed beside the wedge iron locking column holes, lifting pistons 6, wedge iron locking columns 7 and anti-falling columns 8 are respectively mounted on the lifting piston hole 3, the wedge iron locking column holes 4 and the anti-falling column holes 5, the lifting pistons 6, the wedge iron locking columns 7 and the anti-falling columns 8 vertically penetrate through the top plate 2, bottom ends of the lifting pistons 6, the wedge iron locking columns 7 and the anti-falling columns 8 are fixedly connected to a moving plate 9, a balance plate 10 is disposed under the top plate 2, and lower ends of the lifting pistons 6, the wedge iron locking columns 7 and the anti-falling columns 8 penetrate through the balance plate 10. The balance plate 10 is provided with a striking rod 11, and a displacement sensor 12 is arranged beside the balance plate 10. The middle part of lifting piston 6 is provided with safety lock subassembly 13, wedge iron locking post 7's lower extreme is provided with safety lock subassembly 13 prevent weighing down post 8's upper end also is provided with safety lock subassembly 13, the safety lock subassembly of preventing weighing down the upper end of post is located the top of roof. A horizontal synchronization frame 14 is arranged on the safety lock assembly 13 of the wedge locking column 7, and a connecting rod 15 is arranged on the synchronization frame. A positioning bolt 16 is arranged between the balance plate 10 and the moving plate 9, a material beating cylinder 17 is arranged on two sides of the upper surface of the balance plate 10, and a mounting seat bracket 18 of the material beating cylinder is connected to the moving plate 9.
The lifting-preventing device comprises a guide rail 19, a pull rod 20 and an air cylinder 21, wherein the lower end of the top plate 2 is fixedly connected with the guide rail 19, the pull rod 20 is arranged in the guide rail 19, the air cylinders 21 are arranged on two sides of the pull rod 20, the pull rod 20 is controlled to move left and right in the guide rail 19 by the air cylinders 21, sleeves 22 are symmetrically arranged on the lower end of the guide rail 19, an elliptical mounting hole 23 is arranged in the middle of the pull rod 20 and used for mounting a wedge locking column, circular positioning holes 24 are arranged on two sides of the elliptical mounting hole 23, wedge blocks 35 are arranged below the circular positioning holes 24, and the upper ends of the wedge locking columns are propped against the wedge blocks 35. The telescopic end of the air cylinder 21 is provided with an end cover 25, the end cover 25 is matched with the end head of the guide rail 19, the telescopic end of the air cylinder 2 is provided with a telescopic joint 26, the telescopic joint 26 corresponds to the end head of the pull rod, two sides of the joint of the telescopic joint 26 and the end head 27 of the pull rod are provided with positioning plates 28, the outer sides of the positioning plates 28 are connected with friction rods 29, and the friction rods are connected in sliding grooves 30 of the guide rail. The locating plate 28 is provided with two shaft holes 31, the expansion joint and the end of the pull rod are also provided with shaft holes 31, the locating plate shaft holes and the expansion joint shaft holes are provided with first connecting shafts 32, the locating plate shaft holes and the end shaft holes of the pull rod are provided with second connecting shafts 33, and two ends of the first connecting shafts 32 are connected with the friction sticks 29. Circlips 34 are provided at the junctions of all connecting shafts and all shaft holes.
Be provided with the pull rod on the guide rail, be provided with oval mounting hole on the pull rod simultaneously and install the lift piston to utilize the cylinder at both ends to drive the pull rod and do left and right sides displacement, make the pull rod can be fine inject the lift piston, can improve the stability of lift piston in the lift in-process again simultaneously, wherein through being provided with the shaft hole on expansion joint and pull rod end, fix both with the second connecting axle, fix locating plate and expansion joint with first connecting axle on, and connect it on friction rod, the displacement of control pull rod that can be effectively stable.
The pressure of the die cavity can reach 80 tons through the wedge iron locking column instead of completely through the lifting piston, the pressure of the lifting piston is kept at 40 tons, the pressure is kept at 120 tons, the good pressure keeping not only avoids accidents caused by completely using hydraulic pressure to keep pressure and accidentally relieve the pressure, but also provides physical guarantee for accurate pressure control, the falling of the movable plate in the lifting process is prevented through the falling prevention column and the safety lock assembly arranged on the falling prevention column, and after the movable plate is lifted, the safety lock assembly arranged on the falling prevention column tightens the movable plate to prevent falling through mechanical performance instead of only relying on the lifting piston.
According to the invention, the lifting piston 6, the wedge iron locking columns 7 and the anti-falling columns 8 are fixed through the top plate 2, the lifting piston 6 drives the movable plate 9 to lift, the wedge iron locking columns 7 and the anti-falling columns 8 guarantee the balance of the movable plate 9 in the lifting process, the synchronous frame 14 is arranged to coordinate the stability of the two wedge iron locking columns 7, so that the balance of the movable plate 9 in the lifting process is further improved, and meanwhile, the lifting piston, the wedge iron locking columns and the anti-falling columns are provided with the safety lock assemblies 13, so that the movable plate is prevented from displacing, the normal production of products is influenced, the movable plate cannot fall when lifting and opening a die, the movable plate cannot be accidentally lifted when falling and closing the die, the structure is simple, the operation is convenient, the better balance is provided for opening the die of a differential die casting machine, and the production efficiency and the quality of the products are improved.
Claims (5)
1. The utility model provides a machinery of differential pressure casting machine is carved iron device which characterized in that: a top plate (2) is arranged at the upper part of the fixed frame (1), a lifting piston hole (3) is arranged in the middle of the top plate (2), wedge iron locking column holes (4) are formed in two sides of the lifting piston hole (3), anti-falling column holes (5) are formed beside the wedge iron locking column holes, lifting pistons (6), wedge iron locking columns (7) and anti-falling columns (8) are respectively arranged on the lifting piston hole (3), the wedge iron locking column holes (4) and the anti-falling column holes (5), the lifting pistons (6), the wedge iron locking columns (7) and the anti-falling columns (8) vertically penetrate through the top plate (2), the bottom ends of the lifting pistons (6), the wedge iron locking columns (7) and the anti-falling columns (8) are fixedly connected to a moving plate (9), a balance plate (10) is arranged right below the top plate (2), the lower ends of the lifting pistons (6), the wedge iron locking columns (7) and the anti-falling columns (8) penetrate through the balance plate (10), and the anti-falling device is arranged at the lower ends of the lifting pistons;
The lifting-preventing device comprises a guide rail (19), a pull rod (20) and an air cylinder (21), wherein the lower end of the top plate (2) is fixedly connected with the guide rail (19), the pull rod (20) is arranged in the guide rail (19), the air cylinder (21) is arranged on two sides of the pull rod (20), the air cylinder (21) controls the pull rod (20) to move left and right in the guide rail (19), a sleeve (22) is arranged at the lower end of the guide rail (19) in a bilateral symmetry manner, an elliptical mounting hole (23) is arranged in the middle of the pull rod (20) and used for mounting a wedge locking column, circular positioning holes (24) are formed in two sides of the elliptical mounting hole (23), wedge blocks (35) are arranged below the circular positioning holes (24), and the upper ends of the wedge locking columns are propped against the wedge blocks (35); an end cover (25) is arranged at the telescopic end of the air cylinder (21), the end cover (25) is matched with the end head of the guide rail (19), a telescopic joint (26) is arranged on the telescopic end of the air cylinder (2), the telescopic joint (26) corresponds to the end head of the pull rod, positioning plates (28) are arranged on two sides of the joint of the telescopic joint (26) and the end head (27) of the pull rod, a friction roller (29) is connected to the outer side of the positioning plate (28), and the friction roller is connected to a chute (30) of the guide rail;
Two shaft holes (31) are formed in the positioning plate (28), shaft holes (31) are also formed in the expansion joint and the end of the pull rod, a first connecting shaft (32) is arranged in the shaft holes of the positioning plate and the expansion joint, a second connecting shaft (33) is arranged in the shaft holes of the positioning plate and the end of the pull rod, and two ends of the first connecting shaft (32) are connected with the friction roller (29);
and circlips (34) are arranged at the joints of all the connecting shafts and all the shaft holes.
2. The differential casting machine mechanical wedge device of claim 1 wherein: the balance plate (10) is provided with a material beating rod (11), and a displacement sensor (12) is arranged beside the balance plate (10).
3. The differential casting machine mechanical wedge device of claim 1 wherein: the middle part of lift piston (6) is provided with safety lock subassembly (13), the lower extreme of carving indisputable locking post (7) is provided with safety lock subassembly (13) prevent weighing down the upper end of post (8) also is provided with safety lock subassembly (13).
4. The differential casting machine mechanical wedge device of claim 1 wherein: a horizontal synchronous frame (14) is arranged on the safety lock component (13) of the wedge iron locking column (7), and a connecting rod (15) is arranged on the synchronous frame.
5. The differential casting machine mechanical wedge device of claim 1 wherein: a positioning bolt (16) is arranged between the balance plate (10) and the movable plate (9), a material beating cylinder (17) is arranged on two sides of the upper surface of the balance plate (10), and a mounting seat bracket (18) of the material beating cylinder is connected to the movable plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562583.1A CN109434074B (en) | 2018-12-20 | 2018-12-20 | Mechanical wedge iron device of differential pressure casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562583.1A CN109434074B (en) | 2018-12-20 | 2018-12-20 | Mechanical wedge iron device of differential pressure casting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109434074A CN109434074A (en) | 2019-03-08 |
| CN109434074B true CN109434074B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562583.1A Active CN109434074B (en) | 2018-12-20 | 2018-12-20 | Mechanical wedge iron device of differential pressure casting machine |
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| Country | Link |
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| CN (1) | CN109434074B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026539B (en) * | 2019-05-20 | 2023-10-31 | 北京航大新材科技有限公司 | Casting machine capable of rapidly locking mold |
| CN116237494B (en) * | 2023-05-08 | 2023-09-19 | 中信戴卡股份有限公司 | Differential pressure casting machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200237283Y1 (en) * | 2001-04-23 | 2001-10-12 | 조규영 | Guide Housing against thermal expansion of the low pressure casting machine |
| CN103639392A (en) * | 2013-12-09 | 2014-03-19 | 江苏天宏机械工业有限公司 | Safety mechanism for aluminum alloy wheel low-pressure die casting machine |
| CN104668513A (en) * | 2013-11-29 | 2015-06-03 | 无锡市双全机械制造厂 | Low-pressure casting machine |
| CN209614196U (en) * | 2018-12-20 | 2019-11-12 | 芜湖戎征达伺服驱动技术有限公司 | The mechanical wedge iron device of counter-pressure casting machine |
-
2018
- 2018-12-20 CN CN201811562583.1A patent/CN109434074B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200237283Y1 (en) * | 2001-04-23 | 2001-10-12 | 조규영 | Guide Housing against thermal expansion of the low pressure casting machine |
| CN104668513A (en) * | 2013-11-29 | 2015-06-03 | 无锡市双全机械制造厂 | Low-pressure casting machine |
| CN103639392A (en) * | 2013-12-09 | 2014-03-19 | 江苏天宏机械工业有限公司 | Safety mechanism for aluminum alloy wheel low-pressure die casting machine |
| CN209614196U (en) * | 2018-12-20 | 2019-11-12 | 芜湖戎征达伺服驱动技术有限公司 | The mechanical wedge iron device of counter-pressure casting machine |
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| CN109434074A (en) | 2019-03-08 |
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