CN113198357A - Copper alloy smelting equipment - Google Patents
Copper alloy smelting equipment Download PDFInfo
- Publication number
- CN113198357A CN113198357A CN202110412141.4A CN202110412141A CN113198357A CN 113198357 A CN113198357 A CN 113198357A CN 202110412141 A CN202110412141 A CN 202110412141A CN 113198357 A CN113198357 A CN 113198357A
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- CN
- China
- Prior art keywords
- box body
- copper alloy
- fixedly mounted
- alloy smelting
- stirrer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/40—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/31—Couplings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses copper alloy smelting equipment which comprises a box body, a hollow shaft and a stirrer, wherein a first supporting rod is fixedly installed at the top of the box body, a first supporting plate is fixedly installed on the first supporting rod, a driving device used for driving the stirrer to rotate is arranged on the first supporting plate, an output shaft of a driving motor is in transmission connection with a transmission shaft, a driving wheel is installed on the transmission shaft, and a rotating disc is fixedly installed on the hollow shaft. According to the invention, the driving motor drives the transmission shaft to rotate, the transmission shaft rotates to drive the driving wheel to rotate, so that the driven wheel rotates to drive the hollow shaft to rotate, the hollow shaft rotates to drive the rotating disc to rotate, and the rotating disc rotates to drive the stirrer to rotate, so that the purpose that the stirrer rotates in the box body is realized, the existing metal is prevented from being fixedly placed in the smelting equipment, and long time is spent for heating the metal in the whole smelting equipment to be smelted.
Description
Technical Field
The invention relates to the technical field of smelting equipment, in particular to copper alloy smelting equipment.
Background
Smelting is equipment for melting metal ingots and some waste metals, adding necessary alloy components, and smelting the metal ingots and the waste metals into required alloys through operations of slagging-off, refining and the like. The smelting furnace is classified into a direct heating mode and an indirect heating mode according to the heating mode, and when the metal raw materials are smelted, the indirect heating mode that a heating element is arranged on the side wall of a cavity is adopted.
When the existing metal is smelted, the metal is fixedly placed in smelting equipment, however, because the heat transfer takes time, the smelting speed of the metal close to a heating element is different from that of the metal far away from the heating element, if all metal elements are smelted, long time is needed for heating, the waste heat is large, and the production cost is high.
Disclosure of Invention
In order to solve the problems mentioned in the background art, a copper alloy smelting device is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a copper alloy smelting device comprises a box body, a hollow shaft and a stirrer, wherein the top of the box body is communicated with a feeding hole and an exhaust pipe, the bottom of the box body is communicated with a discharging hole, a heating coil is arranged in the box body, a first supporting rod is fixedly arranged at the top of the box body, a first supporting plate is fixedly arranged on the first supporting rod, and a driving device for driving the stirrer to rotate is arranged on the first supporting plate;
the driving device comprises a driving motor fixedly arranged on the first supporting plate, an output shaft of the driving motor is in transmission connection with a transmission shaft, a driving wheel is arranged on the transmission shaft, a driven wheel meshed with the driving wheel is arranged on the outer side of the hollow shaft, a rotating disc is fixedly arranged on the hollow shaft, a fixed rod is fixedly arranged on the rotating disc, and a fixed plate is fixedly arranged between the fixed rods on two sides;
and the top of the box body is provided with a moving device for driving the stirrer to move in the vertical direction.
As a further description of the above technical solution:
the moving device comprises an air cylinder fixedly mounted at the top of the box body, a pull rod is fixedly mounted on the air cylinder, a transverse plate is fixedly mounted at the bottom of the pull rod, oblique blocks are fixedly mounted at two ends of the transverse plate, and the oblique blocks are fixedly connected with a stirrer through guide rods.
As a further description of the above technical solution:
the box top is equipped with the treatment facility of flue gas, the treatment facility includes the collection petticoat pipe with the blast pipe intercommunication, collection petticoat pipe top intercommunication has into the mouth, it has spark catcher to advance the mouth intercommunication, spark catcher top intercommunication has first exhaust port, first exhaust port intercommunication has the dust remover, the dust remover intercommunication has the second gas vent.
As a further description of the above technical solution:
the spark arrestor is characterized in that a plurality of baffle plates are fixedly mounted at the top of the spark arrestor, a sealing gasket is mounted at the bottom of the spark arrestor, and a cover plate is detachably connected to the bottom of the spark arrestor.
As a further description of the above technical solution:
the rotating disc is rotatably connected with the box body through a second supporting rod, and the stirrers on two sides are fixedly connected through a third supporting plate.
As a further description of the above technical solution:
a second supporting plate is fixedly mounted on one side of the box body, and the dust remover is fixedly connected with the box body through the second supporting plate.
As a further description of the above technical solution:
the feed inlets on the two sides are symmetrically arranged around the driving motor.
As a further description of the above technical solution:
and a valve is fixedly arranged on the discharge hole.
As a further description of the above technical solution:
and a plurality of supporting legs are fixedly arranged at the bottom of the box body.
As a further description of the above technical solution:
the stirrer is connected with the fixed plate in a sliding way.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the pull rod is driven to move by the cylinder, the transverse plate is driven to move by the pull rod, the inclined block is driven to move by the transverse plate, the guide rod is driven to move by the inclined block, and the stirrer is driven to move back and forth in the vertical direction, so that the purpose of fully stirring the copper alloy in the box body is realized, and the problems that the existing metal is fixedly placed in the smelting equipment, the metal in the whole smelting equipment can be smelted, the heating is carried out in a long time, the heat energy consumption is high, and the production cost is high are avoided.
2. According to the invention, copper alloy is heated and smelted through the heating coil, the driving shaft is driven to rotate through the driving motor, the driving wheel is driven to rotate through the rotation of the driving shaft, the driven wheel is driven to rotate according to the meshing transmission principle of the latch, the hollow shaft is driven to rotate through the rotation of the driven wheel, the rotating disc is driven to rotate through the rotation of the hollow shaft, the stirrer is driven to rotate through the rotation of the rotating disc, and the purpose that the stirrer rotates in the box body is achieved.
3. In the invention, flue gas in the smelting process enters the flue gas inlet through the exhaust pipe and the smoke collecting hood, enters the spark catcher through the flue gas inlet, enters the first exhaust port through the flue gas treated by the spark catcher, is further treated by the dust remover and then is discharged into the atmosphere through the second exhaust port, and high-temperature metal particles in the flue gas are caught by the baffle plate in the spark catcher, so that the burning loss of internal components caused by the high-temperature metal particles entering the dust remover is avoided, and the service life of the dust remover is prolonged.
Drawings
FIG. 1 shows a schematic cross-sectional view of a copper alloy smelting plant provided in accordance with an embodiment of the present invention;
FIG. 2 shows a schematic top view of a copper alloy smelting plant according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an internal structure of a spark arrester of a copper alloy smelting device according to an embodiment of the present invention;
FIG. 4 shows an enlarged schematic structural view at A of a copper alloy smelting apparatus according to an embodiment of the present invention;
FIG. 5 shows a schematic front view of a copper alloy smelting plant according to an embodiment of the present invention;
fig. 6 shows a schematic top view of a rotating disc of a copper alloy smelting apparatus according to an embodiment of the present invention.
Illustration of the drawings:
1. a box body; 2. a fixing plate; 3. rotating the disc; 4. a driving wheel; 5. a first support plate; 6. a feed inlet; 7. a drive shaft; 8. a drive motor; 9. a first support bar; 10. a hollow shaft; 11. a pull rod; 12. a driven wheel; 13. a cylinder; 14. a smoke inlet; 15. a first exhaust port; 16. a dust remover; 17. a second exhaust port; 18. a smoke collecting hood; 19. a spark arrestor; 20. a cover plate; 21. a second support plate; 22. an exhaust pipe; 23. a second support bar; 24. a guide bar; 25. a third support plate; 26. fixing the rod; 27. supporting legs; 28. a valve; 29. a discharge port; 30. a baffle plate; 31. a stirrer; 32. a transverse plate; 33. a gasket; 34. a sloping block; 35. and a heating coil.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-6, the present invention provides a technical solution: a copper alloy smelting device comprises a box body 1, a hollow shaft 10 and a stirrer 31, wherein the top of the box body 1 is communicated with a feeding hole 6 and an exhaust pipe 22, the bottom of the box body 1 is communicated with a discharging hole 29, a heating coil 35 is arranged in the box body 1, a first supporting rod 9 is fixedly arranged at the top of the box body 1, a first supporting plate 5 is fixedly arranged on the first supporting rod 9, and a driving device for driving the stirrer 31 to rotate is arranged on the first supporting plate 5;
the driving device comprises a driving motor 8 fixedly arranged on the first supporting plate 5, an output shaft of the driving motor 8 is in transmission connection with a transmission shaft 7, a driving wheel 4 is arranged on the transmission shaft 7, a driven wheel 12 in meshing connection with the driving wheel 4 is arranged on the outer side of the hollow shaft 10, a rotating disc 3 is fixedly arranged on the hollow shaft 10, a fixed rod 26 is fixedly arranged on the rotating disc 3, and a fixed plate 2 is fixedly arranged between the fixed rods 26 on the two sides;
the top of the box body 1 is provided with a moving device for driving the stirrer 31 to move in the vertical direction;
heat through heating coil 35 and smelt the copper alloy, rotate through 8 drive transmission shafts 7 of driving motor, transmission shaft 7 rotates and drives action wheel 4 and rotate, according to the meshing transmission principle of latch for from driving wheel 12 rotation, from driving wheel 12 rotation drive hollow shaft 10 rotation, hollow shaft 10 rotates and drives rolling disc 3 and rotate, and rolling disc 3 rotates and drives agitator 31 and rotates, realizes that agitator 31 is the purpose of rotary motion in box 1 inside.
Referring to fig. 1, the moving device includes an air cylinder 13 fixedly installed at the top of the box body 1, a pull rod 11 is fixedly installed on the air cylinder 13, a transverse plate 32 is fixedly installed at the bottom of the pull rod 11, two ends of the transverse plate 32 are fixedly installed with inclined blocks 34, and the inclined blocks 34 are fixedly connected with a stirrer 31 through a guide rod 24;
drive the motion of pull rod 11 through cylinder 13, the motion of pull rod 11 drives diaphragm 32 motion, diaphragm 32 motion drives the motion of sloping block 34, the motion of sloping block 34 drives the motion of guide arm 24, and then drive agitator 31 at the ascending back and forth movement of vertical side, the realization can carry out the purpose of intensive mixing to the copper alloy of box 1 inside, it is even to avoid being heated in order to make the metal in the whole smelting equipment, will spend longer time heating, lead to expending heat energy many, the condition that manufacturing cost is high.
Referring to fig. 1 and 3, the top of the box body 1 is provided with a flue gas treatment device, the treatment device includes a smoke collection hood 18 communicated with an exhaust pipe 22, the top of the smoke collection hood 18 is communicated with a smoke inlet 14, the smoke inlet 14 is communicated with a spark arrester 19, the top of the spark arrester 19 is communicated with a first exhaust port 15, the first exhaust port 15 is communicated with a dust remover 16, and the dust remover 16 is communicated with a second exhaust port 17.
Referring to fig. 3, a plurality of baffles 30 are fixedly installed on the top of the spark arrestor 19, a sealing pad 33 is installed on the bottom of the spark arrestor 19, and a cover plate 20 is detachably connected to the bottom of the spark arrestor 19.
Referring to fig. 1 and 4, the rotating disc 3 is rotatably connected to the case 1 through a second support rod 23, and the stirrers 31 at both sides are fixedly connected to each other through a third support plate 25.
Referring to fig. 1 and 5, a second supporting plate 21 is fixedly installed at one side of the box body 1, and the dust collector 16 is fixedly connected with the box body 1 through the second supporting plate 21.
Referring to fig. 5, the two side feed ports 6 are symmetrically arranged about the driving motor 8, so that copper alloy can be poured into the box body 1 by multiple workers at the same time through the two feed ports 6, and the working efficiency is improved.
Referring to fig. 1 and 6, a valve 28 is fixedly installed on the discharge port 29, the copper alloy smelted by opening the valve 28 can be discharged from the discharge port 29, and the valve 28 is closed to prevent the smelted copper alloy from being discharged from the discharge port 29.
Referring to fig. 6, a plurality of supporting legs 27 are fixedly installed at the bottom of the box body 1 to maintain the stability of the smelting device during operation.
Referring to fig. 2, the agitator 31 is slidably connected to the fixing plate 2, so that the agitator 31 can move in a vertical direction.
The working principle is as follows: when the device is used, firstly, copper alloy is heated and smelted through the heating coil 35, the driving shaft 7 is driven to rotate through the driving motor 8, the driving wheel 4 is driven to rotate through the rotation of the driving shaft 7, the driven wheel 12 rotates according to the meshing transmission principle of the latch, the driven wheel 12 rotates to drive the hollow shaft 10 to rotate, the hollow shaft 10 rotates to drive the rotating disc 3 to rotate, the rotating disc 3 rotates to drive the stirrer 31 to rotate, and the purpose that the stirrer 31 rotates in the box body 1 is achieved;
secondly, drive the motion of pull rod 11 through cylinder 13, the motion of pull rod 11 drives the motion of diaphragm 32, the motion of diaphragm 32 drives the motion of sloping block 34, the motion of sloping block 34 drives the motion of guide arm 24, and then drive the round trip movement of agitator 31 on vertical side, the realization can carry out the purpose of intensive mixing to the copper alloy of box 1 inside, avoid can both be smelted in order to make the metal in the whole smelting equipment, will spend longer time heating, lead to expending heat energy many, the condition that manufacturing cost is high.
Wherein, the flue gas in the smelting process enters into in the smoke inlet 14 through blast pipe 22 and collection petticoat pipe 18, through entering the smoke inlet 14, the flue gas enters into spark catcher 19, the flue gas after handling through spark catcher 19 enters into first exhaust port 15, the flue gas is discharged into the atmosphere through second exhaust port 17 after further handling through dust remover 16, catch the high temperature metal granule in the flue gas through baffle 30 in the spark catcher 19, avoid high temperature metal granule to get into dust remover 16 and cause the burning loss of its internal components, the life of dust remover 16 has been improved.
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 (10)
1. The copper alloy smelting equipment comprises a box body (1), a hollow shaft (10) and a stirrer (31), and is characterized in that the top of the box body (1) is communicated with a feeding hole (6) and an exhaust pipe (22), the bottom of the box body (1) is communicated with a discharging hole (29), a heating coil (35) is arranged in the box body (1), a first supporting rod (9) is fixedly installed at the top of the box body (1), a first supporting plate (5) is fixedly installed on the first supporting rod (9), and a driving device for driving the stirrer (31) to rotate is arranged on the first supporting plate (5);
the driving device comprises a driving motor (8) fixedly mounted on a first supporting plate (5), an output shaft of the driving motor (8) is connected with a transmission shaft (7) in a transmission manner, a driving wheel (4) is mounted on the transmission shaft (7), a driven wheel (12) meshed with the driving wheel (4) is mounted on the outer side of the hollow shaft (10), a rotating disc (3) is fixedly mounted on the hollow shaft (10), a fixing rod (26) is fixedly mounted on the rotating disc (3), and a fixing plate (2) is fixedly mounted between the fixing rods (26) on two sides;
and a moving device for driving the stirrer (31) to move in the vertical direction is arranged at the top of the box body (1).
2. The copper alloy smelting equipment according to claim 1, wherein the moving device comprises a cylinder (13) fixedly mounted at the top of the box body (1), a pull rod (11) is fixedly mounted on the cylinder (13), a transverse plate (32) is fixedly mounted at the bottom of the pull rod (11), two ends of the transverse plate (32) are fixedly mounted with inclined blocks (34), and the inclined blocks (34) are fixedly connected with a stirrer (31) through a guide rod (24).
3. A copper alloy smelting plant according to claim 2, wherein the top of the box body (1) is provided with a flue gas treatment device, the treatment device comprises a smoke collecting hood (18) communicated with an exhaust pipe (22), the top of the smoke collecting hood (18) is communicated with a smoke inlet (14), the smoke inlet (14) is communicated with a spark arrester (19), the top of the spark arrester (19) is communicated with a first exhaust port (15), the first exhaust port (15) is communicated with a dust remover (16), and the dust remover (16) is communicated with a second exhaust port (17).
4. A copper alloy smelting plant according to claim 3, wherein a plurality of baffles (30) are fixedly mounted on the top of the spark arrestor (19), a sealing gasket (33) is mounted on the bottom of the spark arrestor (19), and a cover plate (20) is detachably connected to the bottom of the spark arrestor (19).
5. A copper alloy smelting plant according to claim 4, characterized in that the rotating disc (3) is rotatably connected to the box (1) by means of a second support bar (23), and the stirrers (31) on both sides are fixedly connected to each other by means of a third support plate (25).
6. A copper alloy smelting plant according to claim 3, wherein a second support plate (21) is fixedly mounted on one side of the box body (1), and the dust collector (16) and the box body (1) are fixedly connected through the second support plate (21).
7. A copper alloy smelting plant according to claim 1, wherein the feed openings (6) are symmetrically arranged about the drive motor (8).
8. A copper alloy smelting plant according to claim 1, wherein a valve (28) is fixedly mounted to the outlet (29).
9. A copper alloy smelting plant according to claim 6, wherein a plurality of support legs (27) are fixedly mounted to the bottom of the box (1).
10. A copper alloy smelting plant according to claim 5, wherein the stirrer (31) is slidably connected to the stationary plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110412141.4A CN113198357A (en) | 2021-04-16 | 2021-04-16 | Copper alloy smelting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110412141.4A CN113198357A (en) | 2021-04-16 | 2021-04-16 | Copper alloy smelting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113198357A true CN113198357A (en) | 2021-08-03 |
Family
ID=77027237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110412141.4A Pending CN113198357A (en) | 2021-04-16 | 2021-04-16 | Copper alloy smelting equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN113198357A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0866626A (en) * | 1994-08-29 | 1996-03-12 | Bando Chem Ind Ltd | Agitator |
| CN207562696U (en) * | 2017-07-17 | 2018-07-03 | 佛山市三水精泽化工有限公司 | A kind of scattered granular solids agitating device of efficient uniform |
| CN208846983U (en) * | 2018-09-07 | 2019-05-10 | 望都县君荣铸造有限公司 | A kind of smelting equipment flue gas processing device |
| CN110500884A (en) * | 2019-08-09 | 2019-11-26 | 江苏欧美克自动化设备有限公司 | A kind of metallurgical equipment |
| CN111468003A (en) * | 2020-05-04 | 2020-07-31 | 江苏枂硕电子科技有限公司 | Device for replacing artificial intelligence to stir building stones and placing method |
| CN211800157U (en) * | 2019-11-26 | 2020-10-30 | 四川兴创泰信息科技有限公司 | Mixing arrangement is used in processing of polyethylene material |
| CN211963834U (en) * | 2020-04-22 | 2020-11-20 | 安徽华晶微电子材料科技有限公司 | Mixing and stirring device for metal smelting production |
| CN112226627A (en) * | 2020-10-27 | 2021-01-15 | 深圳市天合兴五金塑胶有限公司 | Preparation device for aluminum alloy composite material |
-
2021
- 2021-04-16 CN CN202110412141.4A patent/CN113198357A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0866626A (en) * | 1994-08-29 | 1996-03-12 | Bando Chem Ind Ltd | Agitator |
| CN207562696U (en) * | 2017-07-17 | 2018-07-03 | 佛山市三水精泽化工有限公司 | A kind of scattered granular solids agitating device of efficient uniform |
| CN208846983U (en) * | 2018-09-07 | 2019-05-10 | 望都县君荣铸造有限公司 | A kind of smelting equipment flue gas processing device |
| CN110500884A (en) * | 2019-08-09 | 2019-11-26 | 江苏欧美克自动化设备有限公司 | A kind of metallurgical equipment |
| CN211800157U (en) * | 2019-11-26 | 2020-10-30 | 四川兴创泰信息科技有限公司 | Mixing arrangement is used in processing of polyethylene material |
| CN211963834U (en) * | 2020-04-22 | 2020-11-20 | 安徽华晶微电子材料科技有限公司 | Mixing and stirring device for metal smelting production |
| CN111468003A (en) * | 2020-05-04 | 2020-07-31 | 江苏枂硕电子科技有限公司 | Device for replacing artificial intelligence to stir building stones and placing method |
| CN112226627A (en) * | 2020-10-27 | 2021-01-15 | 深圳市天合兴五金塑胶有限公司 | Preparation device for aluminum alloy composite material |
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