Cold charge adding device for aluminum alloy holding furnace

Abstract

The utility model relates to the technical field of aluminum alloy cast-rolled plate strip smelting, in particular to a cold charge adding device of an aluminum alloy heat preservation furnace, which is characterized in that two shaft seats are arranged on the outer side of heat preservation aluminum and below a furnace door, the two shaft seats are fixedly connected onto a lower protective wall of the furnace door, shaft holes are formed in the shaft seats, and the shaft holes of the two shaft seats are coaxial; according to the feeding device, cold materials can be conveniently and rapidly added into the heat preservation furnace, the risk of high-temperature burning and scalding caused by feeding of workers is avoided, the feeding plate overturns downwards to form a slagging-off slope at a furnace door opening, and the feeding device is simple in structure, convenient to use and high in practicability. In the slagging-off process, the aluminum slag and the molten aluminum are automatically separated according to different flowability of the aluminum slag and the molten aluminum, the working efficiency is improved, the labor intensity is reduced, the safety of workers is protected, the cast-rolling smelting burn-out rate is reduced, the product quality is guaranteed, and the aluminum slag and molten aluminum slagging-off device has popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy cast-rolled plate and strip smelting, in particular to a cold material adding device for an aluminum alloy insulation furnace. Background Art

[0002] At present, in the aluminum alloy casting and rolling production process, in order to prevent the aluminum liquid from being overburned and causing the fifth-level grains in the billet, the general holding furnace refining is carried out by inert gas + cold material. 80-120kg of the same alloy cold material is added before each refining. The cold material is basically added by manually throwing the cold material into the furnace door. Due to the limitations of the melting furnace door and the weight of the cold material, this operation is not only time-consuming and labor-intensive, but also has low work efficiency. In the process, it may cause aluminum liquid to splash and injure people, and it also invisibly increases the labor intensity of the operator. For this reason, we propose a cold material adding device for an aluminum alloy holding furnace. Utility Model Content

[0003] The utility model aims to provide a device for adding cold material to an aluminum alloy insulation furnace, which makes the process of adding cold material to the insulation furnace convenient and quick, and avoids the risk of high-temperature burns and scalds.

[0004] In order to achieve the above-mentioned technical effect, the utility model provides a cold material adding device for an aluminum alloy insulation furnace, including a feed plate and a shaft seat. The shaft seat is arranged on the outside of the insulation aluminum, and the shaft seat is arranged under the furnace door. There are two shaft seats, and the two shaft seats are fixedly connected to the guard wall under the furnace door. A shaft hole is provided on the shaft seat, and the shaft holes of the two shaft seats are coaxial. Shaft portions are extended on both sides of the left and right sides of the end of the feed plate, and the two shaft portions are rotatably connected in the two shaft holes respectively.

[0005] Furthermore, a cylinder is rotatably connected between the bottom surface of the feed plate and the lower guard wall of the furnace door, the front end of the cylinder piston rod is rotatably connected to the bottom surface of the feed plate, and the rear end of the cylinder is rotatably connected to the lower guard wall of the furnace door.

[0006] Furthermore, a support seat I is fixedly connected to the bottom surface of the feed plate, two support seats I are provided, the two support seats I are parallel, the front end of the cylinder piston rod is connected between the two support seats I, the two support seats I are provided with a pin shaft hole I, the front end of the cylinder piston rod is provided with a pin shaft hole III, the two pin shaft holes I and the pin shaft hole III are jointly inserted with a pin shaft I, and the pin shaft hole III is rotatably connected to the pin shaft I.

[0007] Furthermore, a support seat II is fixedly connected to the lower guard wall of the furnace door, two support seats II are provided, the two support seats II are parallel, the rear end of the cylinder is rotatably connected between the two support seats II, the two support seats II are provided with a pin shaft hole II, the rear end of the cylinder is provided with a pin shaft hole IV, the two pin shaft holes II and the pin shaft hole IV are jointly inserted with a pin shaft II, and the pin shaft hole IV is rotatably connected to the pin shaft II.

[0008] Furthermore, the cylinders are provided with two, the two support seats I form a group, the two support seats II form a group, two groups of support seats I are fixedly connected to the bottom surface of the feed plate, two groups of support seats II are fixedly connected to the lower guard wall of the furnace door, and the two cylinders are respectively connected between the two groups of support seats I and the two groups of support seats II.

[0009] Furthermore, a side edge is fixedly connected to the top surface of the feed plate, and two side edges are provided. The two side edges are parallel and respectively connected to two side portions where the shaft portion is provided.

[0010] Furthermore, each of the shaft portions includes a bottom shaft and a thin shaft, the bottom shaft is fixedly connected to the side wall of the feed plate, the thin shaft is fixedly connected to the end of the bottom shaft away from the feed plate, the bottom shaft and the thin shaft are coaxial, the outer diameter of the thin shaft is smaller than the outer diameter of the bottom shaft, a step is formed at the connection between the thin shaft and the bottom shaft, the bottom shaft and the thin shaft are both rotatably connected in the shaft hole, a bearing is connected between the shaft portion and the shaft hole, the bearing is sleeved on the thin shaft, and the inner ring of the bearing is connected to the step at the connection between the thin shaft and the bottom shaft.

[0011] Furthermore, each of the shaft seats is provided with a bearing hole I, which is arranged on the end face of the shaft seat, is coaxial with the shaft hole, has an inner diameter greater than the inner diameter of the shaft hole, and forms a step at the connection between the bearing hole I and the shaft hole. The outer ring of the bearing is connected in the bearing hole I, and the outer ring of the bearing is clamped on the step at the connection between the bearing hole I and the shaft hole.

[0012] Furthermore, each of the shaft seats is connected to a bearing cover, and the bearing cover is provided with a center hole and a bearing hole II. The center hole and the bearing hole II are coaxial, the inner diameter of the bearing hole II is larger than the inner diameter of the center hole, and a step is formed at the connection between the center hole and the bearing hole II. The shaft passes through the center hole and the bearing hole II, and the outer ring of the bearing extending out of the bearing hole I is connected to the bearing hole II, and the outer ring of the bearing is clamped on the step at the connection between the center hole and the bearing hole II.

[0013] Furthermore, the thin shaft is connected with an elastic retaining ring after passing through the inner ring of the bearing, and the elastic retaining ring is connected to the inner ring of the bearing. A groove connected to the elastic retaining ring is provided on the thin shaft.

[0014] The beneficial effects of the utility model are as follows: the utility model can conveniently and quickly add cold materials into the insulation furnace, avoiding the risk of high temperature burns and scalds caused by personnel adding materials, and the feed plate can be flipped downward to form a slag slope at the furnace door. During the slag removal process, the different fluidities of aluminum slag and aluminum liquid are utilized to automatically separate them. The utility model improves work efficiency, reduces labor intensity, protects the safety of personnel, reduces the casting and rolling smelting burn loss rate, ensures product quality, and has promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A-direction view;

[0017] Figure 3 For this utility model Figure 2 B-direction view;

[0018] Figure 4 For this utility model Figure 3 A partial enlarged schematic diagram of location Ⅰ;

[0019] Figure 5 It is a partial structural schematic diagram of the connection between the support seat I and the front end of the cylinder piston rod of the utility model;

[0020] Figure 6 This is a schematic diagram of the partial structure of the rear end connection of the support seat II cylinder of the utility model;

[0021] Figure 7 It is a top view of the feed plate of the utility model;

[0022] Figure 8 For this utility model Figure 7 C-direction view;

[0023] Fig. 9 It is a structural schematic diagram of the utility model when the feed plate is turned over and raised.

[0024] In the figure: 1. feed plate; 101. shaft; 102. side; 103. bottom shaft; 104. thin shaft; 2. shaft seat; 201. shaft hole; 202. bearing hole Ⅰ; 203. screw hole; 3. support seat Ⅰ; 301. pin hole Ⅰ; 4. support seat Ⅱ; 401. pin hole Ⅱ; 5. cylinder; 501. pin hole Ⅲ; 502. pin hole Ⅳ; 6. insulation aluminum; 7. furnace door; 8. furnace door lower guard wall; 9. pin Ⅰ; 10. pin Ⅱ; 11. bearing; 12. bearing cover; 1201. center hole; 1202. bearing hole Ⅱ. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 9As shown, the utility model is a cold material adding device for an aluminum alloy insulation furnace, comprising a feed plate 1 and an axle seat 2, the axle seat 2 being arranged outside the insulation aluminum 6, the axle seat 2 being arranged below the furnace door 7, two axle seats 2 being provided, the two axle seats 2 being fixedly connected to the lower guard wall 8 of the furnace door, an axle hole 201 being provided on the axle seat 2, the axle holes 201 of the two axle seats 2 being coaxial, axle portions 101 extending from both sides of the end of the feed plate 1, the two axle portions 101 being rotatably connected to the two axle holes 201 respectively; each axle portion 101 comprises a bottom axle 103 and a thin axle 104, the bottom axle 103 being fixedly connected to the bottom guard wall 8 of the furnace door On the side wall of the feed plate 1, the thin shaft 104 is fixedly connected to the end of the bottom shaft 103 away from the feed plate 1, the bottom shaft 103 and the thin shaft 104 are coaxial, the outer diameter of the thin shaft 104 is smaller than the outer diameter of the bottom shaft 103, and a step is formed at the connection between the thin shaft 104 and the bottom shaft 103. The bottom shaft 103 and the thin shaft 104 are both rotatably connected in the shaft hole 201. A bearing 11 is connected between the shaft portion 101 and the shaft hole 201. The bearing 11 is sleeved on the thin shaft 104, and the inner ring of the bearing 11 is connected to the step at the connection between the thin shaft 104 and the bottom shaft 103. Each shaft seat 2 is provided with a bearing hole I20 2. The bearing hole Ⅰ202 is arranged on the end face of the shaft seat 2. The bearing hole Ⅰ202 is coaxial with the shaft hole 201. The inner diameter of the bearing hole Ⅰ202 is larger than the inner diameter of the shaft hole 201. A step is formed at the connection between the bearing hole Ⅰ202 and the shaft hole 201. The outer ring of the bearing 11 is connected in the bearing hole Ⅰ202. The outer ring of the bearing 11 is clamped on the step at the connection between the bearing hole Ⅰ202 and the shaft hole 201. Each shaft seat 2 is connected with a bearing cover 12. The bearing cover 12 is provided with a center hole 1201 and a bearing hole Ⅱ1202. The center hole 1201 and the bearing hole Ⅱ1202 are coaxial. The inner diameter of hole II 1202 is larger than that of the center hole 1201, and a step is formed at the connection between the center hole 1201 and the bearing hole II 1202. The shaft 101 passes through the center hole 1201 and the bearing hole II 1202, and the outer ring of the bearing 11 extending out of the bearing hole I 202 is connected to the bearing hole II 1202. The outer ring of the bearing 11 is clamped on the step at the connection between the center hole 1201 and the bearing hole II 1202. After the thin shaft 104 passes through the inner ring of the bearing 11, an elastic retaining ring is connected. The elastic retaining ring is connected to the inner ring of the bearing 11, and a groove for connecting the elastic retaining ring is provided on the thin shaft 104.

[0026] The bottom surface of the feed plate 1 and the lower guard wall 8 of the furnace door are rotatably connected with a cylinder 5, the front end of the piston rod of the cylinder 5 is rotatably connected to the bottom surface of the feed plate 1, and the rear end of the cylinder 5 is rotatably connected to the lower guard wall 8 of the furnace door. A support seat Ⅰ3 is fixedly connected to the bottom surface of the feed plate 1, and two support seats Ⅰ3 are provided. The two support seats Ⅰ3 are parallel, and the front end of the piston rod of the cylinder 5 is connected between the two support seats Ⅰ3. The two support seats Ⅰ3 are both provided with a pin shaft hole Ⅰ301, and the front end of the piston rod of the cylinder 5 is provided with a pin shaft hole Ⅲ501, and the two pin shaft holes Ⅰ301 and the pin shaft are connected. A pin shaft I9 is ​​commonly inserted in hole III501, and the pin shaft hole III501 is rotatably connected to the pin shaft I9. A support seat II4 is fixedly connected to the lower guard wall 8 of the furnace door. Two support seats II4 are provided, and the two support seats II4 are parallel. The rear end of the cylinder 5 is rotatably connected between the two support seats II4. Pin shaft holes II401 are provided on the two support seats II4. A pin shaft hole IV502 is provided at the rear end of the cylinder 5. A pin shaft II10 is commonly inserted in the two pin shaft holes II401 and the pin shaft hole IV502, and the pin shaft hole IV502 is rotatably connected to the pin shaft II10.

[0027] There are two cylinders 5, the two support seats Ⅰ3 form a group, the two support seats Ⅱ4 form a group, two groups of support seats Ⅰ3 are fixedly connected to the bottom surface of the feed plate 1, and two groups of support seats Ⅱ4 are fixedly connected to the lower guard wall 8 of the furnace door, and the two cylinders 5 are respectively connected between the two groups of support seats Ⅰ3 and the two groups of support seats Ⅱ4.

[0028] A side edge 102 is fixedly connected to the top surface of the feed plate 1 , and two side edges 102 are provided. The two side edges 102 are parallel and are respectively connected to two side portions where the shaft portion 101 is provided.

[0029] The cylinder 5 is provided to provide power for the turning of the feed plate 1, such as Fig. 9 As shown, when in use, the cold material is prevented from being on the feed plate 1, and then the feed plate 1 is flipped upward by operating the cylinder 5. The cold material on the feed plate 1 automatically slides into the insulation furnace 6 due to gravity, and there is no need to manually add material to the insulation furnace 6, which effectively reduces the labor intensity of personnel and avoids the risk of high temperature burns and scalds.

[0030] In addition, if Figure 1 As shown, the feed plate 1 is flipped downward so that one end of the feed plate 1 away from the insulation furnace 6 is placed on the ground, so that the feed plate 1 is sloped and used as a slag removal slope. When used as a slag removal slope, the angle between the feed plate 1 and the ground is generally around 30°-50°. During the slag removal process, the different fluidities of aluminum slag and aluminum liquid can be used to automatically separate them, thereby facilitating the recovery of metal aluminum.

[0031] The side edges 102 are arranged on both sides of the feed plate 1 to form shielding to prevent materials from sliding down from both sides of the feed plate 1 .

Claims

1. A cold material adding device for an aluminum alloy holding furnace, characterized in that: The invention comprises a feed plate (1) and a shaft seat (2), wherein the shaft seat (2) is arranged outside the heat-insulating aluminum (6), the shaft seat (2) is arranged below the furnace door (7), two shaft seats (2) are provided, the two shaft seats (2) are fixedly connected to the lower guard wall (8) of the furnace door, a shaft hole (201) is provided on the shaft seat (2), the shaft holes (201) of the two shaft seats (2) are coaxial, shaft portions (101) are extended from both left and right sides of the end of the feed plate (1), and the two shaft portions (101) are rotatably connected in the two shaft holes (201) respectively.

2. The cold material adding device for an aluminum alloy holding furnace according to claim 1, characterized in that: A cylinder (5) is rotatably connected between the bottom surface of the feed plate (1) and the lower guard wall (8) of the furnace door. The front end of the piston rod of the cylinder (5) is rotatably connected to the bottom surface of the feed plate (1), and the rear end of the cylinder (5) is rotatably connected to the lower guard wall (8) of the furnace door.

3. The cold material adding device for an aluminum alloy holding furnace according to claim 2, characterized in that: A support seat I (3) is fixedly connected to the bottom surface of the feed plate (1), two support seats I (3) are provided, and the two support seats I (3) are parallel. The front end of the piston rod of the cylinder (5) is connected between the two support seats I (3), and the two support seats I (3) are provided with a pin shaft hole I (301). The front end of the piston rod of the cylinder (5) is provided with a pin shaft hole III (501). The two pin shaft holes I (301) and the pin shaft hole III (501) are commonly inserted with a pin shaft I (9), and the pin shaft hole III (501) is rotatably connected to the pin shaft I (9).

4. The cold material adding device for an aluminum alloy holding furnace according to claim 3, characterized in that: The lower guard wall (8) of the furnace door is fixedly connected with a support seat II (4), two support seats II (4) are provided, the two support seats II (4) are parallel, the rear end of the cylinder (5) is rotatably connected between the two support seats II (4), the two support seats II (4) are provided with a pin shaft hole II (401), the rear end of the cylinder (5) is provided with a pin shaft hole IV (502), the two pin shaft holes II (401) and the pin shaft hole IV (502) are commonly inserted with a pin shaft II (10), and the pin shaft hole IV (502) is rotatably connected to the pin shaft II (10).

5. The cold material adding device for aluminum alloy holding furnace according to claim 4, characterized in that: The cylinders (5) are provided with two, the two support seats I (3) are a group, the two support seats II (4) are a group, the two groups of support seats I (3) are fixedly connected to the bottom surface of the feed plate (1), the two groups of support seats II (4) are fixedly connected to the lower guard wall (8) of the furnace door, and the two cylinders (5) are respectively connected between the two groups of support seats I (3) and the two groups of support seats II (4).

6. A cold material adding device for an aluminum alloy holding furnace according to any one of claims 1 to 5, characterized in that: The top surface of the feed plate (1) is fixedly connected with a side edge (102), and two side edges (102) are provided. The two side edges (102) are parallel and are respectively connected to two side portions where the shaft portion (101) is provided.

7. The cold material adding device for aluminum alloy holding furnace according to claim 6, characterized in that: Each shaft portion (101) comprises a bottom shaft (103) and a thin shaft (104); the bottom shaft (103) is fixedly connected to the side wall of the feed plate (1); the thin shaft (104) is fixedly connected to an end of the bottom shaft (103) away from the feed plate (1); the bottom shaft (103) and the thin shaft (104) are coaxial; the outer diameter of the thin shaft (104) is smaller than the outer diameter of the bottom shaft (103); a step is formed at the connection between the thin shaft (104) and the bottom shaft (103); the bottom shaft (103) and the thin shaft (104) are both rotatably connected in the shaft hole (201); a bearing (11) is connected between the shaft portion (101) and the shaft hole (201); the bearing (11) is sleeved on the thin shaft (104); and the inner ring of the bearing (11) is top-connected to the step at the connection between the thin shaft (104) and the bottom shaft (103).

8. The cold material adding device for an aluminum alloy holding furnace according to claim 7, characterized in that: Each shaft seat (2) is provided with a bearing hole I (202), the bearing hole I (202) is provided on the end surface of the shaft seat (2), the bearing hole I (202) is coaxial with the shaft hole (201), the inner diameter of the bearing hole I (202) is larger than the inner diameter of the shaft hole (201), a step is formed at the connection between the bearing hole I (202) and the shaft hole (201), the outer ring of the bearing (11) is connected in the bearing hole I (202), and the outer ring of the bearing (11) is clamped on the step at the connection between the bearing hole I (202) and the shaft hole (201).

9. The cold material adding device for aluminum alloy holding furnace according to claim 8, characterized in that: Each shaft seat (2) is connected to a bearing cover (12), and a center hole (1201) and a bearing hole II (1202) are provided on the bearing cover (12). The center hole (1201) and the bearing hole II (1202) are coaxial, and the inner diameter of the bearing hole II (1202) is larger than the inner diameter of the center hole (1201). A step is formed at the connection between the center hole (1201) and the bearing hole II (1202). The shaft portion (101) passes through the center hole (1201) and the bearing hole II (1202), and the outer ring of the bearing (11) extending out of the bearing hole I (202) is connected to the bearing hole II (1202). The outer ring of the bearing (11) is clamped on the step at the connection between the center hole (1201) and the bearing hole II (1202).

10. The cold material adding device for aluminum alloy holding furnace according to claim 9, characterized in that: The thin shaft (104) is connected to an elastic retaining ring after passing through the inner ring of the bearing (11), and the elastic retaining ring is connected to the inner ring of the bearing (11). A groove connected to the elastic retaining ring is provided on the thin shaft (104).

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