CN112045155B - Cooling device of aluminum alloy casting processing equipment - Google Patents
Cooling device of aluminum alloy casting processing equipment Download PDFInfo
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- CN112045155B CN112045155B CN202010925346.8A CN202010925346A CN112045155B CN 112045155 B CN112045155 B CN 112045155B CN 202010925346 A CN202010925346 A CN 202010925346A CN 112045155 B CN112045155 B CN 112045155B
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- 238000005266 casting Methods 0.000 title claims abstract description 96
- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 238000003860 storage Methods 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 238000003491 array Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 claims 2
- 238000009749 continuous casting Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention belongs to the field of casting, and particularly relates to a cooling device of aluminum alloy casting processing equipment. The invention can realize continuous casting of the aluminum alloy bar, realizes secondary cooling in the casting process, and has high cooling speed and high processing efficiency.
Description
Technical Field
The invention relates to the technical field of casting, in particular to a cooling device of aluminum alloy casting processing equipment.
Background
Aluminum alloys are the most widely used class of non-ferrous structural materials in industry and have found a number of applications in the aerospace, automotive, mechanical manufacturing, marine and chemical industries. During the production and processing of the aluminum alloy material, firstly, alloying process treatment is carried out, then, an aluminum alloy melt is cast into the shapes of round ingots, square ingots and the like by a casting device, and then, the aluminum alloy material is made into the aluminum alloy material with various shapes required by the production field by processing modes of extrusion rolling, forging, cooling and the like.
When a common aluminum alloy casting rod is cast, an aluminum alloy mixed liquid enters a casting box along a casting opening, the aluminum alloy mixed liquid separately flows into different casting wells, then is cooled through natural cooling or simple wind flow, the cooling speed is low, secondary casting can be carried out after the aluminum alloy mixed liquid is cooled and completely discharged, the machining efficiency is very low, and therefore the cooling device of the aluminum alloy casting machining equipment is provided.
Disclosure of Invention
The invention provides a cooling device of aluminum alloy casting processing equipment, which solves the problems that the cooling speed is low in the existing aluminum alloy bar casting process, secondary casting can be carried out only after the aluminum alloy bar is cooled and completely blanked, and the processing efficiency is low in the existing background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cooling device of aluminum alloy casting processing equipment comprises a water storage tank and a fixed plate, wherein the top end of the water storage tank is fixedly connected with the fixed plate through a plurality of fixed columns, the middle position of the fixed plate is rotatably connected with a rotating column, the bottom end of the rotating column is fixedly connected with a transmission disc positioned below the fixed plate, the edge of the transmission disc is provided with four transmission holes distributed in an annular array manner, the top end of the water storage tank is provided with a motor, an output shaft of the motor is connected with a swinging piece, one side of the top end of the swinging piece is fixedly connected with a sliding block in sliding connection with the transmission holes, the top end of the rotating column is fixedly connected with a mounting plate, four casting molds distributed in an annular array manner are fixedly connected onto the mounting plate, a plurality of casting wells distributed in an annular array manner are arranged on the casting molds, the casting wells penetrate through the mounting plate, a primary cooling mechanism is arranged on the casting molds, movable plates are arranged below the casting molds, and movable guide rods are fixedly connected to the two sides of the movable plates, the mounting plate is provided with a guide hole in sliding connection with the guide rod, the top end of the movable plate is fixedly connected with a plurality of plungers arranged in an annular array, the top ends of the plungers are respectively provided with an ingot support connected to the inside of the casting well in a sliding and sealing manner, the middle position of the bottom end of the movable plate is provided with a movable support column, the top end of the fixed plate is provided with a movement guide block, and the bottom end of the movable support column is in sliding connection with the top surface of the movement guide block and the top surface of the fixed plate;
install the liquid pump on the storage water tank, the liquid pump passes through the inside intercommunication of inlet tube and storage water tank, and the output of liquid pump is connected with the spray pipe, and the top opening part of spray pipe is located top one side of a fly leaf.
Preferably, the pouring groove is formed in the middle of the top end of the casting mold, the annular guide groove located in the casting mold is formed in the edge of the top end of the casting well, and the communicating groove located in the casting mold is formed between the plurality of guide grooves and the pouring groove in the same casting mold.
Preferably, the primary cooling mechanism comprises spiral water guide channels positioned outside each casting well, the adjacent spiral water guide channels are provided with communication holes formed in a casting die, the two spiral water guide channels positioned at the two ends of the tail end are connected with a water storage tank through water guide pipes, and the water guide pipes are provided with liquid pumps.
Preferably, an annular water baffle plate is installed at the top end of the outer side wall of the fixing plate, and a water return pipe is connected between the fixing plate and the water storage tank.
Preferably, the water storage tank is connected with a circulating radiating pipe through a guide pipe, the guide pipe is provided with a liquid pump, and the outer side wall of the water storage tank is provided with a plurality of radiating rods.
Preferably, the bottom end of the water return pipe is provided with a filter mesh bag positioned inside the water storage tank.
Preferably, the motion guide block is of an arc stepped structure, and is provided with a second guide surface which is located at a lower part and a higher part, the upper surface of the fixing plate is a reference guide surface, and inclined surfaces which are located on the motion guide block are arranged between the reference guide surface and the first guide surface as well as between the first guide surface and the second guide surface.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a cooling device of aluminum alloy casting and processing equipment, which can realize continuous casting of aluminum alloy rods, has extremely short waiting time and high processing efficiency, and realizes automatic blanking after processing.
2. The invention provides a cooling device of aluminum alloy casting processing equipment, which can realize primary cooling and secondary cooling of an aluminum alloy rod in the casting process, has good cooling effect and high cooling speed, and can realize the recycling of cooling water.
The invention can realize continuous casting of the aluminum alloy bar, realizes secondary cooling in the casting process, and has high cooling speed and high processing efficiency.
Drawings
FIG. 1 is a perspective view of a cooling device of an aluminum alloy casting and processing apparatus according to the present invention;
FIG. 2 is a partial perspective view of a cooling device of an aluminum alloy casting and processing apparatus according to the present invention;
FIG. 3 is a perspective view of a casting mold of a cooling device of an aluminum alloy casting processing device according to the present invention;
FIG. 4 is a perspective view of a motion guide block of a cooling device of an aluminum alloy casting processing device according to the present invention;
FIG. 5 is a schematic connection diagram of a casting well, a spiral water guide channel, a liquid pump and a water storage tank of the cooling device of the aluminum alloy casting processing equipment provided by the invention.
In the figure: 1 water storage tank, 2 fixed columns, 3 water return pipes, 4 fixed plates, 5 movable supporting columns, 6 movable plates, 7 movable guide rods, 8 mounting plates, 9 casting molds, 9-1 casting wells, 9-2 guide grooves, 9-3 communicating grooves, 9-4 pouring grooves, 9-5 spiral water guide channels, 10 guide holes, 11 water spray pipes, 12 rotating columns, 13 movement guide blocks, 13-1 first guide surfaces, 13-2 second guide surfaces, 14 water blocking plates, 15 liquid pumps, 16 motors, 17 plungers, 18 ingot holders, 19 swinging parts, 20 sliding blocks, 21 transmission discs and 21-1 transmission holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a cooling device of aluminum alloy casting processing equipment comprises a water storage tank 1 and a fixing plate 4, wherein the top end of the water storage tank 1 is fixedly connected with the fixing plate 4 through a plurality of fixing columns 2, the middle position of the fixing plate 4 is rotatably connected with a rotating column 12, the bottom end of the rotating column 12 is fixedly connected with a transmission disc 21 positioned below the fixing plate 4, the edge of the transmission disc 21 is provided with four transmission holes 21-1 arranged in an annular array, the top end of the water storage tank 1 is provided with a motor 16, the output shaft of the motor 16 is connected with a swinging piece 19, one side of the top end of the swinging piece 19 is fixedly connected with a sliding block 20 in sliding connection with the transmission holes 21-1, the top end of the rotating column 12 is fixedly connected with a mounting plate 8, the mounting plate 8 is fixedly connected with four casting molds 9 arranged in an annular array, the casting molds 9 are provided with a plurality of casting wells 9-1 arranged in an annular array, the casting well 9-1 penetrates through the mounting plate 8, a primary cooling mechanism is arranged on the casting mold 9, movable plates 6 are arranged below the casting mold 9, movable guide rods 7 are fixedly connected to two sides of each movable plate 6, guide holes 10 in sliding connection with the guide rods 7 are formed in the mounting plate 8, a plurality of plungers 17 distributed in an annular array mode are fixedly connected to the top end of each movable plate 6, ingot supports 18 connected to the inside of the casting well 9-1 in a sliding and sealing mode are mounted at the top ends of the plungers 17, movable supporting columns 5 are mounted in the middle positions of the bottom ends of the movable plates 6, movement guide blocks 13 are mounted at the top ends of the fixed plates 4, and the bottom ends of the movable supporting columns 5 are in sliding connection with the top surfaces of the movement guide blocks 13 and the top surfaces of the fixed plates 4;
install liquid pump 15 on the storage water tank 1, liquid pump 15 is through the inside intercommunication of inlet tube with storage water tank 1, and the output of liquid pump 15 is connected with spray pipe 11, and the top opening part of spray pipe 11 is located top one side of a fly leaf 6, can constantly spray the water in the storage water tank 1 on the aluminum alloy stick after the primary cooling, and the cooling effect is good.
A pouring groove 9-4 is formed in the middle of the top end of the casting mold 9, an annular leading-in groove 9-2 located in the casting mold 9 is formed in the edge of the top end of the casting well 9-1, and communicating grooves 9-3 located in the casting mold 9 are formed between the leading-in grooves 9-2 and the pouring groove 9-4 in the same casting mold 9 and can be directly poured into the pouring groove 9-4, so that pouring of the multiple casting wells 9-1 is achieved.
The primary cooling mechanism comprises spiral water guide channels 9-5 positioned outside each casting well 9-1, communication holes formed in the casting mold 9 are formed in the adjacent spiral water guide channels 9-5, the two spiral water guide channels 9-5 positioned at the two tail ends are connected with a water storage tank 1 through water guide pipes, a liquid pump 15 is installed on the water guide pipes, the primary cooling mechanism can be used for casting while cooling, the cooling temperature difference is small at the beginning, and sudden cooling is prevented from changing the internal stress of a cast part, so that the quality of the cast part is poor.
Annular water blocking plate 14 is installed on the lateral wall top of fixed plate 4, and is connected with wet return 3 between fixed plate 4 and the storage water tank 1, and the filter screen bag that is located storage water tank 1 inside is installed to wet return 3's bottom, can make the cooling water that sprays fall into on fixed plate 4 to flow back to storage water tank 1 in through wet return 3, thereby realize the reuse to the water resource, and realize the filtration purification to the backward flow water through setting up of filter screen bag.
There is the circulation cooling tube through pipe connection on the storage water tank 1, and installs the liquid pump on the pipe, installs a plurality of radiating rods on the lateral wall of storage water tank 1, can realize the quick cooling to the interior liquid of storage water tank 1.
The motion guide block 13 is of an arc stepped structure, and is provided with a first guide surface 13-1 at a low position and a second guide surface 13-2 at a high position, the upper surface of the fixed plate 4 is a reference guide surface, inclined surfaces located on the motion guide block 13 are arranged between the reference guide surface and the first guide surface 13-1 as well as between the first guide surface 13-1 and the second guide surface 13-2, so that the up-and-down motion of the movable support column 5, the movable plate 6, the plunger 17 and the ingot puller 18 can be realized, and the casting, cooling and discharging are conveniently realized.
When the casting machine works, an output shaft of a motor 16 drives a swinging piece 19 to swing, the swinging piece 19 is continuously connected with a transmission hole 21-1 on a transmission disc 21 in a sliding mode through a sliding block 20, the transmission disc 21 is driven to rotate 90 degrees every time when the output shaft of the motor 16 rotates for one circle, the transmission disc 21 drives a mounting plate 8 to rotate through a rotating column 12, the mounting plate 8 drives a movable plate 6 to rotate through a movable guide rod 7 when rotating, firstly, an upper ingot support 18 is inserted into a casting groove 9-1 in a casting mold 9 to be cast with aluminum alloy mixed liquid, at the moment, a movable support column 5 connected with the lower part of the upper ingot support is positioned on a second guide surface 13-2 at the highest position, then, the aluminum alloy mixed liquid flows into a casting well 9-1 through a communicating groove 9-3 and a guide groove 9-2 to be cast, and during casting, a liquid pump 15 pumps up water in a water storage tank 1 and guides the water into a spiral water guide channel 9-5, continuously realizing primary cooling of the poured aluminum alloy mixed liquid, after pouring, rotating the output shaft of the motor 16 for one circle, rotating the transmission disc 21 and the mounting plate 8 for 90 degrees each time, moving the movable plate 6 downwards under the action of gravity, sliding the movable support column 5 onto the first guide surface 13-1 through the inclined surface, moving the plunger 17 and the ingot support 18 at the top end of the movable plate 6 downwards at the moment to drive the primarily cooled aluminum alloy metal rod to move downwards for a certain distance, so that most of the aluminum alloy metal rod is exposed outside the casting mold 9, spraying water in the water storage tank 1 through the spray pipe 11 by the liquid pump 15, realizing secondary rapid cooling of the aluminum alloy metal rod, then rotating the output shaft of the motor 16 for one circle again, rotating the transmission disc 21 and the mounting plate 8 for 90 degrees each time, moving the movable plate 6 downwards under the action of gravity, sliding the movable support column 5 onto the fixed plate 4 through the inclined surface, the aluminum alloy metal bar after secondary cooling moves downwards for a certain distance again, so that the aluminum alloy metal bar is completely exposed outside the casting die 9, blanking is performed under the action of gravity, after blanking is completed, the output shaft of the motor 16 rotates for a circle again, the transmission disc 21 and the mounting plate 8 rotate for 90 degrees every time, the movable supporting columns 5 slide to the second guide surfaces 13-2 through the inclined surfaces, the movable plates 6 move upwards to drive the ingot supports 18 to be inserted into the casting die 9, pouring is performed again, and the repeated movement is performed, so that each casting die 9 rotates to enable the aluminum alloy metal bar to be located in different operation stations, continuous casting of the aluminum alloy bar can be achieved, waiting time is extremely short, machining efficiency is high, and automatic blanking is achieved after machining is completed.
The invention can realize continuous casting of the aluminum alloy bar, realizes secondary cooling in the casting process, and has high cooling speed and high processing efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a heat sink of aluminum alloy casting processing equipment, includes storage water tank (1) and fixed plate (4), its characterized in that, the top of storage water tank (1) has fixed plate (4) through a plurality of fixed column (2) rigid couplings, and fixed plate (4) intermediate position rotates and is connected with rotation post (12), and the bottom rigid coupling of rotation post (12) has drive plate (21) that is located fixed plate (4) below, and the edge of drive plate (21) is opened has transmission hole (21-1) that four annular arrays were arranged, motor (16) are installed on the top of storage water tank (1), and the output shaft of motor (16) has swinging member (19), and top one side rigid coupling of swinging member (19) has sliding block (20) with transmission hole (21-1) sliding connection, the top rigid coupling of rotation post (12) has mounting panel (8), and the rigid coupling has casting mould (9) that four annular arrays were arranged on mounting panel (8), the casting device comprises a casting die (9), wherein a plurality of casting wells (9-1) which are arranged in an annular array mode are formed in the casting die (9), the casting wells (9-1) penetrate through a mounting plate (8), a primary cooling mechanism is arranged on the casting die (9), movable plates (6) are arranged below the casting die (9), movable guide rods (7) are fixedly connected to two sides of each movable plate (6), guide holes (10) which are connected with the movable guide rods (7) in a sliding mode are formed in the mounting plate (8), a plurality of plungers (17) which are arranged in an annular array mode are fixedly connected to the top ends of the movable plates (6), ingot supports (18) which are connected to the inside of the casting wells (9-1) in a sliding sealing mode are mounted at the top ends of the plungers (17), movable supporting columns (5) are mounted in the middle positions of the bottom ends of the movable plates (6), a movement guide block (13) is mounted at the top end of a fixed plate (4), and the bottom ends of the movable supporting columns (5) are connected with the top surface of the movement guide block (13) and the top surface of the fixed plate (4) in a sliding mode;
install liquid pump (15) on storage water tank (1), liquid pump (15) are through the inside intercommunication of inlet tube with storage water tank (1), and the output of liquid pump (15) is connected with spray pipe (11), and the top opening part of spray pipe (11) is located the top one side of a fly leaf (6).
2. The cooling device of aluminum alloy casting processing equipment according to claim 1, wherein a pouring groove (9-4) is formed in the middle of the top end of the casting mold (9), an annular leading-in groove (9-2) located on the casting mold (9) is formed in the edge of the top end of the casting well (9-1), and a communication groove (9-3) located on the casting mold (9) is formed between the plurality of leading-in grooves (9-2) and the pouring groove (9-4) on the same casting mold (9).
3. The cooling device of aluminum alloy casting processing equipment according to claim 1, wherein the primary cooling mechanism comprises spiral water guide channels (9-5) positioned outside each casting well (9-1), communication holes formed in the casting mold (9) are formed in adjacent spiral water guide channels (9-5), the two spiral water guide channels (9-5) positioned at the two ends of the tail end are connected with a water storage tank (1) through water guide pipes, and a liquid pump (15) is installed on the water guide pipes.
4. The cooling device of aluminum alloy casting processing equipment according to claim 1, wherein an annular water baffle plate (14) is installed at the top end of the outer side wall of the fixing plate (4), and a water return pipe (3) is connected between the fixing plate (4) and the water storage tank (1).
5. The cooling device of aluminum alloy casting processing equipment according to claim 1, wherein the water storage tank (1) is connected with a circulating heat radiation pipe through a conduit, a liquid pump is installed on the conduit, and a plurality of heat radiation rods are installed on the outer side wall of the water storage tank (1).
6. The cooling device of aluminum alloy casting and processing equipment as claimed in claim 4, wherein the bottom end of the water return pipe (3) is provided with a filter mesh bag inside the water storage tank (1).
7. The cooling device of aluminum alloy casting processing equipment according to claim 1, wherein the moving guide block (13) is of an arc-shaped stepped structure, and is provided with a first guide surface (13-1) located at a lower position and a second guide surface (13-2) located at a higher position, the upper surface of the fixing plate (4) is a reference guide surface, and inclined surfaces located on the moving guide block (13) are arranged between the reference guide surface and the first guide surface (13-1) as well as between the first guide surface (13-1) and the second guide surface (13-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925346.8A CN112045155B (en) | 2020-09-06 | 2020-09-06 | Cooling device of aluminum alloy casting processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925346.8A CN112045155B (en) | 2020-09-06 | 2020-09-06 | Cooling device of aluminum alloy casting processing equipment |
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| Publication Number | Publication Date |
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| CN112045155A CN112045155A (en) | 2020-12-08 |
| CN112045155B true CN112045155B (en) | 2021-11-26 |
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| CN202010925346.8A Expired - Fee Related CN112045155B (en) | 2020-09-06 | 2020-09-06 | Cooling device of aluminum alloy casting processing equipment |
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| CN113751678B (en) * | 2021-09-08 | 2023-06-20 | 广东华域重工有限公司 | High-strength heavy steel production process and processing equipment thereof |
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| CN104139178B (en) * | 2014-08-11 | 2016-09-14 | 中山市弘丰电器有限公司 | A kind of heat-generating disc scoops liquid casting machine automatically |
| CN206839086U (en) * | 2017-03-30 | 2018-01-05 | 上海巴酉精密汽车部件有限公司 | Multi-station die casting machine |
| CN108568504A (en) * | 2017-12-06 | 2018-09-25 | 上海百阳精密汽车零件有限公司 | A kind of automation multiple station vertical die casting machine |
| CN208728669U (en) * | 2018-09-04 | 2019-04-12 | 临沂天阔铸造有限公司 | A kind of casting cooling auxiliary body |
| CN110394430A (en) * | 2019-08-31 | 2019-11-01 | 贵州大学 | A kind of casting device of aluminium alloy cast rod |
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Effective date of registration: 20211108 Address after: 523290 No. 28, Tianxin street, Yongkou village, Shijie Town, Dongguan City, Guangdong Province Applicant after: Dongguan Anxing Hardware Die Casting Co.,Ltd. Address before: 657200 No.15 electric power community, Wufeng Town, Zhenxiong County, Zhaotong City, Yunnan Province Applicant before: Song Baiqing |
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