Tundish for vacuum pouring of aluminum bronze filter residues

Abstract

The utility model discloses a tundish for vacuum pouring of aluminum bronze filter residues, which belongs to the technical field of metallurgy and comprises a tundish body, the tundish body is positioned in a vacuum melting chamber, a base is arranged in the tundish body, the tundish body is provided with a first unplugging device, the first unplugging device is connected with a second unplugging device, and the second unplugging device is connected with a third unplugging device. The plug opening device II extends out of the vacuum melting chamber; the second plug opening device is used for controlling the first plug opening device to move, and then opening and closing of the base are achieved. A mold is arranged in the vacuum melting chamber, located on the lower portion of the tundish body and corresponds to the opening in the bottom of the base. According to the vacuum casting device, the whole casting process is carried out in a vacuum environment, the problems of oxidation slag inclusion and excessive gas in copper liquid can be effectively solved, the purity of the copper liquid is greatly improved, and aluminum bronze castings with higher quality are produced.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical technical field especially relates to a kind of tundish for vacuum pouring aluminium bronze filter residue. BACKGROUND

[0002] At present, the traditional aluminium bronze casting smelting pouring mode generally adopts non-vacuum smelting plus atmospheric pouring process, and this smelting pouring mode has many shortcomings: first, the gas content in copper water is relatively high during atmospheric smelting process, and the castings are prone to produce porosity defects after pouring;Second, smelting and pouring copper liquid under atmosphere can produce oxidized slag inclusions, and there are many slag inclusions in castings, which affects product quality. SUMMARY

[0003] The utility model provides a kind of tundish for vacuum pouring aluminium bronze filter residue in view of the deficiency of prior art, and the whole process of melting and casting is carried out in vacuum environment, which can effectively remove the oxidized slag inclusions and excessive gas problems in copper liquid, greatly improve the purity of copper water, to produce more high-quality aluminium bronze castings.

[0004] The technical scheme for solving the above technical problems of the utility model is as follows:

[0005] A kind of tundish for vacuum pouring aluminium bronze filter residue, including tundish body, the tundish body is located in vacuum smelting chamber, bottom is equipped in the tundish body, the tundish body is equipped with unblocker one, the unblocker one is connected with unblocker two, the unblocker two extends vacuum smelting chamber;The unblocker two is used to control the movement of unblocker one, to realize the opening and closing of bottom in turn;The inside of vacuum smelting chamber is equipped with mould, the mould is located in the lower part of tundish body, and corresponds with the bottom opening of bottom.

[0006] The beneficial effects of the above technical scheme are that, before smelting, the bottom in the tundish body is closed by unblocker one, the vacuum smelting chamber is closed, vacuum is extracted, when smelting is finished, copper water in smelting furnace is poured into the tundish body, and is placed, when pouring temperature is reached, unblocker two is operated, the movement of unblocker one can be controlled, the bottom in the tundish body can be opened by unblocker one, copper water in the tundish body flows into bottom first, and then flows into mould through the bottom of bottom, to achieve the effect of vacuum smelting and vacuum pouring;The whole process of melting and casting is carried out in vacuum environment, which can effectively remove the oxidized slag inclusions and excessive gas problems in copper liquid, greatly improve the purity of copper water, to produce more high-quality aluminium bronze castings.

[0007] Further, the plug opening device one comprises a lifting rod, a cross beam and a blocking rod, the lifting rod is arranged outside the tundish body, one end of the cross beam is connected with the lifting rod, the other end is connected with the blocking rod, the end of the blocking rod away from the cross beam is matched with the inner wall of the base, the plug opening device two can drive the lifting rod to lift.

[0008] The beneficial effect of the above technical solution is that the plug opening device two drives the lifting rod to lift, the lifting rod drives the cross beam to lift, and the cross beam drives the blocking rod to lift, so that the opening and closing of the blocking rod to the base can be realized.

[0009] Further, the plug opening device two comprises a plug opener mandrel, a plug opener connecting shaft and a gear, one end of the plug opener mandrel is connected with the plug opener connecting shaft, the other end extends out of the vacuum melting chamber, the gear is connected with the plug opener connecting shaft, a rack is vertically arranged on the lifting rod, and the gear is engaged with the rack.

[0010] The beneficial effect of the above technical solution is that the plug opener mandrel is manually rotated to rotate the plug opener connecting shaft, and then the gear is rotated, the gear drives the rack engaged therewith to lift, so that the lifting rod can be lifted, the lifting of the lifting rod, that is, the lifting of the plug opening device one, can be realized, and finally the opening and closing of the blocking rod to the base can be realized to achieve the purpose of controlling the opening and closing of the tundish body outside the vacuum chamber.

[0011] Further, the plug opening device two further comprises a plug opener outer sleeve and a sealing ring, the plug opener outer sleeve and the sealing ring are both sleeved outside the plug opener mandrel, the sealing ring is located between the plug opener outer sleeve and the plug opener mandrel, and the plug opener outer sleeve is penetrated on the side wall of the vacuum melting chamber.

[0012] The beneficial effect of the above technical solution is that the plug opener mandrel is arranged outside the vacuum melting chamber, the side wall of the vacuum melting chamber and the plug opener mandrel are connected through the plug opener outer sleeve and the sealing ring by penetrating at a certain height, and the vacuum degree in the vacuum melting chamber can be guaranteed.

[0013] Further, the plug opener mandrel and the plug opener connecting shaft are connected through bolts and nuts, and a universal joint is arranged on the plug opener connecting shaft.

[0014] The beneficial effect of the above technical solution is that the plug opening device two can be rotated within a certain angle through the universal joint.

[0015] Further, the plug opening device one further comprises a sleeve, the sleeve is arranged outside the tundish body, and the lifting rod is slidingly connected in the inside of the sleeve.

[0016] The beneficial effect of the above technical solution is that the sleeve can guide the lifting movement of the lifting rod, and the stability of the lifting rod in lifting can be improved.

[0017] Further, the opening device one further comprises a triangular rib, a bottom plate and a fixing block, the triangular rib is connected to the outside of the tundish body, the bottom plate is connected to the triangular rib, the fixing block is connected to the bottom plate, and the sleeve is connected to the fixing block.

[0018] Further, the fixing block is provided with a plurality of.

[0019] The beneficial effects of the above technical scheme are that the sleeve can be fixed, and the stability of the sleeve fixation is improved.

[0020] Further, the lifting rod and the cross beam are detachably connected.

[0021] The beneficial effects of the above technical scheme are that the lifting rod and the cross beam can be disassembled and assembled.

[0022] Further, the cross beam and the blocking rod are detachably connected.

[0023] The beneficial effects of the above technical scheme are that the cross beam and the blocking rod can be disassembled and assembled. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a whole structure schematic view of the opening device one in the utility model;

[0026] Figure 3 It is a sectional view of the opening device two in the utility model;

[0027] Figure 4 It is a sectional view of the gear and the rack meshing in the utility model.

[0028] Mark 1, tundish body; 2, vacuum melting chamber; 3, base; 4, opening device one; 41, lifting rod; 42, cross beam; 43, blocking rod; 44, sleeve; 45, triangular rib; 46, bottom plate; 47, fixing block; 5, opening device two; 51, opening device core shaft; 52, opening device connecting shaft; 53, gear; 54, opening device outer sleeve; 55, sealing ring; 56, universal joint; 6, mold; 7, rack. DETAILED DESCRIPTION

[0029] The principles and characteristics of the utility model are described, and the examples are only used to explain the utility model, and are not used to limit the scope of the utility model. Figures 1-4 The principles and characteristics of the utility model are described, and the examples are only used to explain the utility model, and are not used to limit the scope of the utility model.

[0030] The utility model embodiment discloses a vacuum pouring aluminum bronze filter residue intermediate ladle.

[0031] Reference Figures 1-4 A kind of vacuum pouring aluminium bronze filter residue with tundish, including tundish body 1, the tundish body 1 is located in vacuum melting chamber 2, base 3 is placed in the tundish body 1, the tundish body 1 is equipped with unblocking device one 4, unblocking device one 4 is connected with unblocking device two 5, unblocking device two 5 extends vacuum melting chamber 2.The inside of the vacuum melting chamber 2 is placed with mould 6, the mould 6 is located in the lower part of tundish body 1, and with the bottom opening of base 3 corresponding.Unblocking device two 5 is used to control the movement of unblocking device one 4, to realize the opening and closing of base 3.

[0032] Specifically, before smelting, base 3 in tundish body 1 is closed by unblocking device one 4, vacuum melting chamber 2 is closed, vacuum is extracted, when smelting is finished, copper water in smelting furnace is poured into tundish body 1, and is placed, when reaching pouring temperature, unblocking device one 4 can be controlled to move by operating unblocking device two 5, unblocking device one 4 can open base 3 in tundish body 1, so that copper water in tundish body 1 flows into base 3 first, and then flows into mould 6 through the bottom of base 3, to achieve the effect of vacuum smelting and vacuum pouring.

[0033] Unblocking device one 4 includes lifting rod 41, crossbeam 42 and pack plugging rod 43, lifting rod 41 is arranged outside tundish body 1, one end of crossbeam 42 is connected with lifting rod 41, the other end is connected with pack plugging rod 43, the end of pack plugging rod 43 away from crossbeam 42 is matched with the inner wall of base 3, that is, the end of pack plugging rod 43 away from crossbeam 42 is in close contact with base 3, which can close base 3.Unblocking device two 5 can drive lifting rod 41 to lift, unblocking device two 5 drives lifting rod 41 to lift, lifting rod 41 drives crossbeam 42 to lift, crossbeam 42 drives pack plugging rod 43 to lift, that is, the opening and closing of base 3 by pack plugging rod 43 can be realized.

[0034] Lifting rod 41 and crossbeam 42 are detachably connected through nut, which facilitates disassembly and assembly of lifting rod 41 and crossbeam 42.

[0035] Unblocking device one 4 also includes sleeve pipe 44, sleeve pipe 44 is arranged outside tundish body 1, lifting rod 41 is slidingly connected in the inside of sleeve pipe 44, sleeve pipe 44 can guide the lifting movement of lifting rod 41, and improve the stability of lifting rod 41 lifting.

[0036] The opening device one 4 further comprises a triangular rib 45, a bottom plate 46 and fixing blocks 47, the triangular rib 45 is fixedly connected to the outside of the tundish body 1, the bottom plate 46 is fixedly connected to the triangular rib 45, the fixing blocks 47 are fixedly connected to the bottom plate 46, the sleeve 44 is inserted into the fixing blocks 47 and fixedly connected with the fixing blocks 47. The fixing blocks 47 are provided in plurality, specifically three, which is beneficial to fixing the sleeve 44 and improving the stability of the fixing of the sleeve 44.

[0037] The opening device two 5 comprises an opener mandrel 51, an opener connecting shaft 52 and a gear 53, one end of the opener mandrel 51 is connected with the opener connecting shaft 52 and the other end extends out of the vacuum melting chamber 2, the gear 53 is fixedly connected with the end of the opener connecting shaft 52, the rack 7 is vertically fixed on the lifting rod 41, and the gear 53 is engaged with the rack 7. By manually rotating the opener mandrel 51, the rotation of the opener connecting shaft 52 is realized, and then the rotation of the gear 53 is realized, the gear 53 drives the rack 7 engaged therewith to lift and lower, that is, the lifting rod 41 is lifted and lowered, that is, the opening device one 4 is lifted and lowered, and finally the opening and closing of the base 3 by the tundish blocking rod 43 is realized, so as to achieve the purpose of controlling the opening and closing of the tundish body 1 outside the vacuum chamber.

[0038] The opening device two 5 further comprises an opener outer sleeve 54 and a sealing ring 55, the opener outer sleeve 54 and the sealing ring 55 are both sleeved on the outside of the opener mandrel 51, and the sealing ring 55 is located between the opener outer sleeve 54 and the opener mandrel 51, the sealing ring 55 is an O-shaped sealing ring, and the opener outer sleeve 54 is penetrated on the side wall of the vacuum melting chamber 2. The opener mandrel 51 is placed outside the vacuum melting chamber 2 and penetrates through a hole at a certain height of the vacuum melting chamber 2, and the side wall of the vacuum melting chamber 2 and the opener mandrel 51 are connected through the opener outer sleeve 54 and the sealing ring 55, which can ensure the vacuum degree in the vacuum melting chamber 2.

[0039] The opener mandrel 51 and the opener connecting shaft 52 are connected through bolts and nuts, the universal joint 56 is installed on the opener connecting shaft 52, and the opening device two 5 can be rotated within a certain angle through the universal joint 56.

[0040] The implementation principle of the tundish for vacuum casting aluminum bronze filter residue in the embodiment of the utility model is as follows: before smelting starts, the base 3 in the tundish body 1 is closed through the tundish closing rod 43 of the unclogging device 4, the gap between the tundish closing rod 43 and the base 3 is ensured, the vacuum smelting chamber 2 is closed, vacuum is drawn, when smelting ends, the copper water in the smelting furnace is poured into the tundish body 1, is left to stand, when the pouring temperature is reached, the unclogger core shaft 51 outside the vacuum smelting chamber 2 is manually rotated, the rotation of the unclogger connecting shaft 52 is realized, the rotation of the gear 53 is realized, the gear 53 drives the rack 7 meshed with the gear 53 to rise, the rising of the lifting rod 41 can be realized, the lifting rod 41 drives the cross beam 42 to rise, the cross beam 42 drives the tundish closing rod 43 to rise, the base 3 in the tundish body 1 is opened, the gap between the tundish closing rod 43 and the base 3 is exposed, the copper water in the tundish body 1 flows into the base 3 through the gap first, then flows into the mold 6 through the bottom of the base 3, the effects of vacuum smelting and vacuum pouring are achieved.

[0041] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An intermediate ladle for vacuum casting aluminum bronze filter slag, characterized in that: The system includes an intermediate ladle body (1), which is located inside a vacuum melting chamber (2). The intermediate ladle body (1) is provided with a base (3). The intermediate ladle body (1) is provided with a first opening device (4). The first opening device (4) is connected to a second opening device (5). The second opening device (5) extends out of the vacuum melting chamber (2). The second opening device (5) is used to control the movement of the first opening device (4), thereby realizing the opening and closing of the base (3). The vacuum melting chamber (2) is provided with a mold (6). The mold (6) is located at the lower part of the intermediate ladle body (1) and corresponds to the bottom opening of the base (3).

2. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 1, characterized in that: The first plug-opening device (4) includes a lifting rod (41), a crossbeam (42), and a plugging rod (43). The lifting rod (41) is located outside the intermediate bag body (1). One end of the crossbeam (42) is connected to the lifting rod (41), and the other end is connected to the plugging rod (43). The end of the plugging rod (43) away from the crossbeam (42) is adapted to the inner wall of the base (3). The second plug-opening device (5) can drive the lifting rod (41) to move up and down.

3. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 2, characterized in that: The second plug-opening device (5) includes a plug opener spindle (51), a plug opener connecting shaft (52), and a gear (53). One end of the plug opener spindle (51) is connected to the plug opener connecting shaft (52), and the other end extends out of the vacuum melting chamber (2). The gear (53) is connected to the plug opener connecting shaft (52), and a rack (7) is vertically provided on the lifting rod (41). The gear (53) meshes with the rack (7).

4. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 3, characterized in that: The second plug opener (5) also includes a plug opener sleeve (54) and a sealing ring (55). The plug opener sleeve (54) and the sealing ring (55) are both sleeved on the outside of the plug opener spindle (51). The sealing ring (55) is located between the plug opener sleeve (54) and the plug opener spindle (51). The plug opener sleeve (54) passes through the side wall of the vacuum melting chamber (2).

5. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 3, characterized in that: The plug opener spindle (51) and the plug opener connecting shaft (52) are connected by bolts and nuts, and the plug opener connecting shaft (52) is provided with a universal joint (56).

6. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 2, characterized in that: The opening device (4) further includes a sleeve (44), which is located outside the intermediate bag body (1), and the lifting rod (41) is slidably connected to the inside of the sleeve (44).

7. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 6, characterized in that: The plug opening device (4) further includes a triangular rib (45), a base plate (46), and a fixing block (47). The triangular rib (45) is connected to the outside of the intermediate bag body (1), the base plate (46) is connected to the triangular rib (45), the fixing block (47) is connected to the base plate (46), and the sleeve (44) is connected to the fixing block (47).

8. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 7, characterized in that: The fixing block (47) is provided in multiple ways.

9. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 2, characterized in that: The lifting rod (41) and the crossbeam (42) are detachably connected.

10. The intermediate ladle for vacuum casting aluminum bronze filter slag according to claim 2, characterized in that: The crossbeam (42) and the plugging rod (43) are detachably connected.

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