Secondary feeding bin of vacuum melting furnace

Abstract

The utility model discloses a vacuum melting furnace secondary feeding bin, and relates to the technical field of feeding bins, the vacuum melting furnace secondary feeding bin comprises a bin body shell and a discharging pipe fixedly communicated with the side of the bottom end of the bin body shell, a plurality of conical nozzle pipes are arranged in an inner cavity of the bin body shell at intervals, and the conical nozzle pipes are used for storing materials. A detachable shell top cover is arranged at the top end of the bin body shell, a rotary driving mechanism is arranged on the shell top cover, and the rotary driving mechanism is used for driving the conical nozzle pipes to rotate in an inner cavity of the bin body shell; a discharging mechanism is arranged at the bottom of the conical nozzle pipe and used for automatic discharging of the conical nozzle pipe at the fixed point position in the bin body shell. The conical nozzle pipes arranged at intervals are arranged on the bin body shell, meanwhile, the rotary driving mechanism is matched with the discharging mechanism, automatic discharging can be achieved after the conical nozzle pipes rotate to the preset positions, independent storage and automatic discharging of various materials can be achieved, the situation that different materials are mixed to affect the feeding quality is avoided, and the use requirement is better met.

Description

Technical Field

[0001] The utility model relates to the technical field of charging bins, in particular to a secondary charging bin for a vacuum smelting furnace. Background Art

[0002] The secondary charging equipment of the vacuum melting furnace melts the metal or alloy by induction heating under vacuum or protective atmosphere, and then hangs the alloy material or secondary material with a good ratio above the crucible in advance, and drops it into the crucible below when charging is needed.

[0003] In the prior art, the secondary charging bin on the vacuum melting furnace generally consists of a bin shell connected to the vacuum melting furnace, a plurality of fan-shaped feed plates in the bin shell, and a rotating drive mechanism for driving the feed plates to rotate, such as the secondary charging bin of the vacuum melting furnace disclosed in the authorization announcement number CN207815966U.

[0004] However, in actual use, although multiple material stripping plates are configured in the silo shell to separate the inner cavity of the silo shell for classified discharge, it is impossible to store different drugs independently. Since multiple materials are in the same silo shell, it is easy to cause material leakage and mixing, affecting the quality of feeding work. Therefore, a secondary feeding silo for a vacuum melting furnace is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a secondary charging bin for a vacuum smelting furnace to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a secondary charging bin of a vacuum melting furnace, comprising a bin shell and a feeding pipe fixedly connected and arranged at the bottom side of the bin shell, a plurality of conical nozzle tubes are arranged at intervals in the inner cavity of the bin shell, and the conical nozzle tubes are used for storing materials, a detachable outer shell top cover is arranged at the top of the bin shell, and a rotating drive mechanism is arranged on the outer shell top cover, and the rotating drive mechanism is used to drive the plurality of conical nozzle tubes to rotate in the inner cavity of the bin shell;

[0007] A material unloading mechanism is provided at the bottom of the conical nozzle tube, and the material unloading mechanism is used for automatically unloading the conical nozzle tube at a fixed position in the bin shell.

[0008] Preferably, the rotary drive mechanism includes a rotary shaft rotatably mounted at the middle of the bottom end of the outer shell top cover, a connecting structure is provided between the rotary shaft and the conical nozzle tube, a driving motor for driving the rotary shaft to rotate is fixedly connected to the top end of the outer shell top cover, a bearing seat is fixedly provided at the bottom of the inner cavity of the warehouse shell, and the bottom of the rotary shaft is movably connected to the inner side of the bearing seat.

[0009] Preferably, the unloading mechanism includes a horizontally movable sealing plate arranged at the bottom end of the conical nozzle tube, the outer wall of the bearing seat is fixedly connected to a driving disk arranged at the same horizontal height as the sealing plate, the side wall of the driving disk is provided with a special-shaped groove, the inner wall of one side of the special-shaped groove is a straight surface and the inner wall of the other side is an arc surface, and the sealing plate is provided with a reset spring for automatically resetting the sealing plate.

[0010] Preferably, a detachable sealing cover is provided at the bottom of the conical nozzle tube, the end of the sealing plate is movably plugged into the bottom of the sealing cover, the outer wall of the sealing plate is fixedly connected to a limit plate at a position on one side of the sealing cover, and the return spring is fixedly connected between the limit plate and the sealing cover.

[0011] Preferably, a mounting groove is formed at one end of the sealing plate facing the driving disk, an auxiliary roller is rotatably connected in the mounting groove, and an outer wall of the auxiliary roller is fitted to an outer wall of the driving disk.

[0012] Preferably, the connection structure includes a fixing rod fixedly connected to the outer wall of the rotating shaft, the end of the fixing rod away from the rotating shaft is fixedly connected to a hollow sleeve, the outer wall of the cone nozzle tube is movably connected to the inner side of the hollow sleeve, and the outer wall of the cone nozzle tube is fixedly connected to a positioning ring.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model configures a plurality of tapered nozzle tubes arranged at intervals on the outer shell of the bin body, and the rotary drive mechanism cooperates with the unloading mechanism, so that the plurality of tapered nozzle tubes can be automatically unloaded after being rotated to a predetermined position, and can realize separate storage and automatic unloading of a variety of materials, avoid mixing of different materials and affecting the feeding quality, and better meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the internal structure of the warehouse shell of the utility model.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the drive disk of the utility model.

[0018] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A.

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the sealing mask of the utility model.

[0020] In the figure: 100, warehouse shell; 101, shell top cover; 102, rotating shaft; 103, feeding pipe; 104, fixing rod; 105, hollow sleeve; 106, positioning ring; 107, driving motor; 200, cone nozzle; 201, sealing mouth; 202, sealing plate; 203, reset spring; 204, limit plate; 205, auxiliary roller; 300, bearing seat; 301, driving disk; 302, special-shaped slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-5 The secondary charging bin of a vacuum melting furnace shown in the figure comprises a bin shell 100 and a feeding tube 103 fixedly connected to the bottom side of the bin shell 100, the feeding tube 103 is fixedly connected to the feeding port of the vacuum melting furnace, a plurality of conical nozzle tubes 200 are arranged at intervals in the inner cavity of the bin shell 100, the conical nozzle tubes 200 are used for storing materials, the middle part of the conical nozzle tubes 200 is hollow, and the bottom is conical, a detachable outer shell top cover 101 is arranged on the top of the bin shell 100, a rotatable clamping buckle can be arranged on the top of the outer wall of the bin shell 100, the outer shell top cover 101 is locked and fixed on the bin shell 100, and a sealing ring can be arranged between the outer shell top cover 101 and the bin shell 100 to enhance the air tightness of the connection, and a rotating driving mechanism is arranged on the outer shell top cover 101 The rotating drive mechanism is used to drive the multiple conical nozzle tubes 200 to rotate in the inner cavity of the warehouse shell 100. The rotating drive mechanism includes a rotating shaft 102 rotatably installed at the middle of the bottom end of the shell top cover 101. A connecting structure is provided between the rotating shaft 102 and the conical nozzle tube 200. A driving motor 107 for driving the rotating shaft 102 to rotate is fixedly connected to the top of the shell top cover 101. A bearing seat 300 is fixedly provided at the bottom of the inner cavity of the warehouse shell 100. The bottom of the rotating shaft 102 is movably connected to the inner side of the bearing seat 300. When the driving motor 107 is powered on, the rotating shaft 102 is driven to rotate. The rotating shaft 102 can then drive the conical nozzle tube 200 to revolve along a circular trajectory through the connecting structure, so that the multiple conical nozzle tubes 200 are moved to the unloading position in turn for unloading in turn.

[0023] In a preferred embodiment, the connection structure includes a fixing rod 104 fixedly connected to the outer wall of the rotating shaft 102, and the end of the fixing rod 104 away from the rotating shaft 102 is fixedly connected to a hollow sleeve 105, the outer wall of the conical nozzle tube 200 is movably plugged into the inner side of the hollow sleeve 105, and the outer wall of the conical nozzle tube 200 is fixedly connected to a positioning ring 106, and the conical nozzle tube 200 is limited by the hollow sleeve 105, and the top of the hollow sleeve 105 at the uppermost position of the positioning ring 106 is limited, so that the conical nozzle tube 200 can be stably plugged into the hollow sleeve 105, and can be easily disassembled to facilitate the later inspection or cleaning of the conical nozzle tube 200.

[0024] Furthermore, a feeding mechanism is provided at the bottom of the conical nozzle tube 200, and the feeding mechanism is used for automatically feeding the conical nozzle tube 200 at a fixed position in the bin shell 100; wherein the feeding mechanism comprises a horizontally movable sealing plate 202 arranged at the bottom end of the conical nozzle tube 200, and the outer wall of the bearing seat 300 is fixedly connected with a driving disk 301 arranged at the same horizontal height as the sealing plate 202, and the side wall of the driving disk 301 is provided with a special-shaped groove 302, and the inner wall of one side of the special-shaped groove 302 is a straight surface and the inner wall of the other side is an arc surface, and the sealing plate 202 is directly opposite to the driving disk 3 One end of the conical nozzle tube 200 is provided with a mounting groove, in which an auxiliary roller 205 is rotatably connected, and the outer wall of the auxiliary roller 205 is arranged in close contact with the outer wall of the driving disk 301, and a reset spring 203 for automatically resetting the sealing plate 202 is provided on the sealing plate 202, and a detachable sealing cover 201 is sleeved on the bottom of the conical nozzle tube 200, and the end of the sealing plate 202 is movably plugged with the bottom of the sealing cover 201, and the outer wall of the sealing plate 202 and the position on one side of the sealing cover 201 are fixedly connected to the limit plate 204, and the reset spring 203 is fixedly connected to the limit plate 20 4 and the sealing cover 201, during the process of the rotary drive mechanism driving the multiple conical nozzle tubes 200 to revolve, the auxiliary roller 205 at one end of the sealing plate 202 is in contact with the outer wall of the driving disk 301 and moves with the conical nozzle tube 200. When one end of the sealing plate 202 moves to the position of the special-shaped groove 302 of the driving disk 301, since the first contact position is the position directly facing the inner wall of the special-shaped groove 302, the elastic reaction force of the return spring 203 is used to make the sealing plate 202 move to the inside of the special-shaped groove 302, thereby releasing the bottom port of the conical nozzle tube 200. The conical nozzle tube 200 is blocked at this time, and the material in the conical nozzle tube 200 can fall into the discharge tube 103 for automatic discharge. Then the rotary drive mechanism continues to drive the conical nozzle tube 200 to revolve, so that the auxiliary roller 205 moves along the arc-shaped inner wall of the special-shaped groove 302, and the sealing plate 202 can be pushed to move in the opposite direction to block the bottom port of the conical nozzle tube 200 that has been discharged. Similarly, as different conical nozzle tubes 200 move to the position above the discharge tube 103, the purpose of automatic discharge can be achieved.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A secondary charging bin of a vacuum melting furnace, comprising a bin shell (100) and a feeding pipe (103) fixedly connected and arranged at the bottom side of the bin shell (100), characterized in that: The inner cavity of the silo shell (100) is provided with a plurality of conical nozzle tubes (200) at intervals, and the conical nozzle tubes (200) are used for storing materials. A detachable outer shell cover (101) is provided at the top of the silo shell (100), and a rotation driving mechanism is provided on the outer shell cover (101), and the rotation driving mechanism is used to drive the plurality of conical nozzle tubes (200) to rotate in the inner cavity of the silo shell (100); A material unloading mechanism is provided at the bottom of the conical nozzle tube (200), and the material unloading mechanism is used for automatically unloading the conical nozzle tube (200) at a fixed position in the bin shell (100).

2. A secondary charging bin for a vacuum melting furnace according to claim 1, characterized in that: The rotary drive mechanism comprises a rotary shaft (102) rotatably mounted at the middle of the bottom end of the outer shell top cover (101); a connection structure is provided between the rotary shaft (102) and the conical nozzle tube (200); a driving motor (107) for driving the rotary shaft (102) to rotate is fixedly connected to the top end of the outer shell top cover (101); a bearing seat (300) is fixedly provided at the bottom of the inner cavity of the warehouse shell (100); and the bottom of the rotary shaft (102) is movably plugged into the inner side of the bearing seat (300).

3. A secondary charging bin for a vacuum melting furnace according to claim 2, characterized in that: The unloading mechanism comprises a horizontally movable sealing plate (202) arranged at the bottom end of the conical nozzle tube (200); the outer wall of the bearing seat (300) is fixedly connected to a driving disk (301) arranged at the same horizontal height as the sealing plate (202); a side wall of the driving disk (301) is provided with a special-shaped groove (302); the inner wall of one side of the special-shaped groove (302) is straight and the inner wall of the other side is curved; and a reset spring (203) for automatically resetting the sealing plate (202) is provided on the sealing plate (202).

4. A secondary charging bin for a vacuum melting furnace according to claim 3, characterized in that: The bottom of the conical nozzle tube (200) is sleeved with a detachable sealing cover (201); the end of the sealing plate (202) is movably plugged into the bottom of the sealing cover (201); the outer wall of the sealing plate (202) is fixedly connected to a limiting plate (204) at a position on one side of the sealing cover (201); and the return spring (203) is fixedly connected between the limiting plate (204) and the sealing cover (201).

5. The secondary charging bin of a vacuum melting furnace according to claim 3, characterized in that: An installation groove is provided at one end of the sealing plate (202) facing the driving disk (301), an auxiliary roller (205) is rotatably connected in the installation groove, and the outer wall of the auxiliary roller (205) is arranged to fit the outer wall of the driving disk (301).

6. The secondary charging bin of a vacuum melting furnace according to claim 2, characterized in that: The connection structure comprises a fixing rod (104) fixedly connected to the outer wall of the rotating shaft (102); one end of the fixing rod (104) away from the rotating shaft (102) is fixedly connected to a hollow sleeve (105); the outer wall of the conical nozzle tube (200) is movably plugged into the inner side of the hollow sleeve (105); and the outer wall of the conical nozzle tube (200) is fixedly connected to a positioning ring (106).

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