CN217210307U

CN217210307U - Alloy feeding mechanism

Info

Publication number: CN217210307U
Application number: CN202221003063.9U
Authority: CN
Inventors: 冯骏骁; 张哲魁; 滕龙; 沈子惟; 李元露
Original assignee: Shenyang Vacuum Technology Institute Co ltd
Current assignee: Shenyang Vacuum Technology Institute Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-16
Anticipated expiration: 2032-04-28

Abstract

The utility model belongs to the technical field of vacuum equipment, in particular to an alloy feeding mechanism; in particular to a feeding mechanism suitable for vacuum metallurgical environment. The feeding device is simple in structure and convenient to maintain, and the feeding function of alloy component materials can be realized through the simple structure. Comprises a feeding mechanism; the feeding mechanism comprises a feeding bin body, a feeding cover covering the feeding bin body and a material cup arranged in the feeding bin body; the device is characterized in that the feeding cover is connected with one side of the feeding bin body through a hinge; the feeding cover is opened and closed through a rotary pressing cylinder, the rotary pressing cylinder is connected with a first end of a rotating arm, a connecting flange column is arranged on the feeding cover, and a second end of the rotating arm is connected with a connecting flange shaft through a bearing.

Description

Alloy feeding mechanism

Technical Field

The utility model belongs to the technical field of vacuum equipment, in particular to an alloy feeding mechanism; in particular to a feeding mechanism suitable for vacuum metallurgical environment.

Background

When operating with vacuum induction furnaces, including but not limited to melting and precision casting furnaces, charging is one of the most important core operations. In order to meet the requirements of the smelting process on site, the equipment is provided with a main feeding mechanism taking main components as raw materials and an alloy feeding mechanism for adding alloy components, and a plurality of equipment have complex site environments and are suitable for remotely controlling the opening and closing of a feeding cover.

The existing similar mechanism realizes the feeding of alloy materials with different proportions by rotating the partition plate, and a certain gap is generally reserved for ensuring the normal rotation of the partition plate. When alloy materials with small apparent sizes need to be added, the material blocking phenomenon easily occurs, and not only a certain amount of alloy materials remain in the bin body to cause small changes of the proportion of alloy components, but also the mechanism is blocked.

And the existing mechanism mostly needs an operator to perform related operations near the mechanism, so that certain safety risks exist.

Disclosure of Invention

The utility model provides an alloy feeding mechanism aiming at the defects existing in the prior art.

In order to realize the purpose, the utility model adopts the following technical proposal that the device comprises a feeding mechanism; the feeding mechanism comprises a feeding bin body, a feeding cover covering the feeding bin body and a material cup arranged in the feeding bin body; the device is characterized in that the feeding cover is connected with one side of the feeding bin body through a hinge; the feeding cover is opened and closed through a rotary compression cylinder, the rotary compression cylinder (cylinder rod) is connected with the first end of a rotating arm, a connecting flange column is arranged on the feeding cover, and the second end of the rotating arm is connected with a connecting flange shaft through a bearing.

Furthermore, a magnetic switch for detecting the movement of the piston rod is mounted on the cylinder body of the rotary pressing cylinder.

Furthermore, the feeding mechanism is isolated from the smelting chamber in vacuum through an isolation valve, and an inflation opening and a deflation opening are arranged on the feeding bin body; the charging bin body is also provided with a vacuum and pressure monitoring assembly.

Further, the rotary compaction air cylinder is controlled by an electromagnetic valve and a manual valve together.

Further, the feeding bin body is provided with an O-shaped sealing ring.

Compared with the prior art the utility model discloses beneficial effect.

The utility model discloses simple structure, maintenance convenience can realize the reinforced function of alloy composition material through simple structure. The feeding efficiency can be greatly improved, the reliability is ensured, and the problem of material clamping of the mechanism can be effectively avoided.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.

Fig. 1 is a schematic perspective view of an alloy feeding mechanism.

Fig. 2 is a partially cut-away schematic view of an alloy charging mechanism.

Fig. 3 is a schematic view of the handle attachment.

Fig. 4-5 are schematic views of different angles of the swivel arm.

In the figure, 1, a feeding cover, 2, a rod, 3, a movable handle, 4, an electromagnetic valve fixing block, 5, a manual valve fixing block, 6, a pressing cap, 7, a limiting block, 8, a feeding cabin body, 9, a rotating arm, 10, a connecting flange column, 11, a material cup, 12, an isolation valve, 13, a clamping cylinder, 14, a bearing, 15, a straight sleeve bearing, 16, a quick-release flange, 17, a handle ball, 18, a rubber gasket for a raised flange, 19, a buffer, 20, a framework rubber ring, 21, an O-shaped rubber ring, 22, an electromagnetic valve, 23, a manual valve, 24, a magnetic switch, 25, an air nozzle, 36, an inner hexagon screw, 40, a hexagon thin nut, 41, an elastic retainer ring for a shaft, 42, a pin shaft and 44, a cross groove flat head screw.

Detailed Description

As shown in fig. 1-5, the utility model discloses add the material cover 1 with reinforced storehouse body 8 passes through hinged joint, add material cover 1 and pass through gyration compresses tightly cylinder 13 (or call die clamping cylinder) drive and opens and close, and pass through the sealed of the reinforced mechanism storehouse body of O type sealing washer 21 realization. The clamping cylinder 13 is controlled by the electromagnetic valve 22 to realize 90-degree rotation and lifting actions, and is provided with the manual valve 24, so that the normal opening and closing actions of the charging cover 1 can be realized when the electromagnetic valve 22 fails due to faults such as power failure and the like.

The core action of the mechanism is that the material cup 11 is tilted by operating the movable handle 3; further, when feeding is needed, the isolation valve 12 is closed, the feeding cover 1 is opened, alloy materials are added into the material cup 11 according to different proportions and feeding sequences according to the smelting process, and the feeding cover 1 is covered. When feeding, the isolating valve on the auxiliary evacuation system pipeline is opened to ensure the vacuum degree in the feeding bin body in advance, when the pressure gauge arranged on the feeding bin body 8 displays that the required vacuum degree is reached, the isolating valve 12 is opened, and the whole mechanism is connected with a smelting chamber and is completely exposed in a vacuum environment. At the moment, an operator can operate the movable handle 3 by hand to separate the movable handle from a fixing plate welded on the outer side of the feeding bin body 8; then, the movable handle 3 is rotated anticlockwise or clockwise to a certain angle, and alloy materials are added into the crucible molten pool through the material scoops. After all the materials are added, if the materials need to be added again, the isolation valve 12 can be closed, and after the vent valve of the charging cabin body is opened, the charging cover 1 is opened, and the alloy materials are added again.

In order to maintain the vacuum state in the cabin body, a dynamic sealing system is particularly necessary. The dynamic sealing system mainly comprises two skeleton rubber rings 20, and the end part of the bearing seat is provided with the pressing cap 6 for axial positioning. In order to prevent the pressing cap 6 from loosening caused by multiple reciprocating feeding actions, a shaft elastic retainer ring is arranged at a proper position on the rod 2.

The charging bin body 8 is of a cylindrical structure. The wall of the bin body is provided with a plurality of sealing seats for installing a dynamic sealing system. The sealing seat is welded to a plurality of holes which are machined in advance and are uniformly distributed in the circumferential direction on the bin wall in an inserting mode. When the device is installed, firstly, the rod 2 penetrates out of the sealing seat hole from the interior of the charging bin body 8; secondly, installing a dynamic sealing system; thirdly, mounting the material cup 11; finally, the movable handle 13 and the handle ball 17 are mounted.

Alloy materials are respectively and independently arranged in the material cup 11 according to the calculated and proportioned weight, the whole feeding mechanism is isolated from a smelting chamber in vacuum through the isolation valve 12, and an independent inflation inlet and an independent deflation port are arranged on the feeding bin body 8, so that the independent evacuation and deflation operation of the whole mechanism is realized.

Preferably, the feeding cover 1 is driven to be opened and closed by the clamping cylinder 13, so that remote control operation can be realized, the personal safety of an operator is ensured, and meanwhile, the feeding cover is convenient to control.

Preferably, the rotary compacting cylinder 13 is controlled by the electromagnetic valve 22 and the manual valve 24 together, so as to realize the opening and closing of the feeding cover 1, and has double guarantee measures.

Preferably, the feeding operation has a dynamic sealing structure realized by two skeleton rubber rings 20, so as to ensure the vacuum degree requirement of the whole of the smelting chamber and the feeding bin body 8 in the feeding process. The charging bin body 8 is provided with an independent inflation port and an independent deflation port, so that independent evacuation and deflation operations of the whole mechanism can be realized, and a vacuum and pressure monitoring assembly is arranged, so that independent inflation and deflation of the charging mechanism and monitoring of the pressure in the bin can be realized.

The material cup 11 is arranged in the charging bin body 8, and the whole mechanism is isolated from the outside in a vacuum mode through the framework rubber ring 20 and the O-shaped rubber ring 21. Alloy materials are added into the material cup 11, so that the proportion of alloy components of the product can be strictly guaranteed, and the feeding operation is simple, convenient and reliable. The tightness between the feeding cover 1 and the feeding cabin 8 is realized by the pressing force of the clamping cylinder 13 and the O-shaped rubber ring 21. The pressing force is strictly calculated, and the whole vacuum degree of the mechanism is guaranteed to be obtained.

Specifically, the alloy feeding mechanism is used for safely and reasonably feeding alloy materials and comprises a feeding bin body 8, a rotating arm 9 is connected with a feeding cover 1 through a bearing 14 and a connecting flange column 10, and double-nut loosening measures are arranged on the connecting flange column 10, so that loosening in opening and closing reciprocating motion of the feeding cover 1 can be effectively prevented. The clamping cylinder 13 drives the rotating arm 9 to rotate by 90 degrees and lift at the same time. During operation, the movable handle 3 is rotated to realize rotary charging of the material cup 11.

As shown in figure 1, the utility model discloses be furnished with buffer 19, through calculating, have reliable damping effect, can effectively guarantee to add the material lid 1 steadily get back to with the storehouse body 8 concentric position that adds. The clamping force of the clamping cylinder 13 is calculated and combined with the O-shaped rubber ring 21, so that the sealing performance of the charging bin body 8 can be well guaranteed.

As shown in fig. 2, the utility model adopts a clamping cylinder 13 to drive the rotating arm 9 to rotate and lift through the hexagon socket head cap screw. The swivel arm 9 is connected to the connecting flange column 10 via a bearing 14 and is provided with two thin hexagonal nuts 40 which abut against one another and prevent the charging cap 1 from loosening during movement.

As shown in fig. 3, the utility model discloses a multichannel sealing washer design can effectively guarantee the material cup and rotate the in-process, the vacuum of the whole reinforced storehouse body. The rubber ring is pressed tightly in a bearing seat welded on the bin body by a pressing cap. The straight sleeve brass bearings are arranged in the shaft and the bearing seat holes, so that smooth and reliable movement is ensured. The movable handle is connected with the shaft through a pin shaft, can rotate up and down, can be folded downwards when not used, saves space and is safe. The shaft is provided with an elastic retainer ring for the shaft, and the elastic retainer ring is combined with the shaft shoulder structure to realize the integral axial positioning of the material cup. The material cup is connected with the shaft through a slotted flat end set screw, so that the material cup is convenient to disassemble and replace.

Fig. 4 and 5 show schematic diagrams of a manual valve and a solenoid valve controlled clamp cylinder, respectively.

Description of mechanism motion: when the alloy feeding mechanism needs to be fed, the feeding cover 1 is pressed to open the control button, the electromagnetic valve 22 controls the clamping cylinder 13 to move, the cylinder rod extends out and rotates anticlockwise, the feeding cover 1 is spirally lifted through the rotating arm 9 connected with the cylinder rod, and the maximum rotation angle is 90 degrees. When the magnetic switch fixed on the cylinder body detects that the piston rod moves to the maximum stroke, the feeding cover 1 moves to the upper limit and stops.

Alloy materials with different proportions can be added into the material cup 11 in the feeding bin body 8 according to the metallurgical process requirements, after the feeding is finished, the feeding cover 1 is pressed to close the control button, the electromagnetic valve 22 controls the air cylinder to move, the air cylinder rod is withdrawn and rotates in the opposite direction, the magnetic switch fixed on the air cylinder body detects that the piston rod is completely withdrawn, and then the feeding cover 1 is tightly covered. If the electromagnetic valve 22 fails due to power failure and the like, the manual valve 23 can be switched to control the movement of the whole mechanism. The buffer 19 is fixed on the feeding bin body 8, so that vibration and impact caused by too high swinging speed of the clamping cylinder 13 can be effectively relieved.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. The alloy feeding mechanism comprises a feeding mechanism; the method is characterized in that: the feeding mechanism comprises a feeding bin body, a feeding cover covering the feeding bin body and a material cup arranged in the feeding bin body; the device is characterized in that the feeding cover is connected with one side of the feeding bin body through a hinge; the feeding cover is opened and closed through a rotary pressing cylinder, the rotary pressing cylinder is connected with a first end of a rotating arm, a connecting flange column is arranged on the feeding cover, and a second end of the rotating arm is connected with a connecting flange shaft through a bearing.

2. The alloy charging mechanism according to claim 1, wherein: and a magnetic switch for detecting the movement of the piston rod is arranged on the cylinder body of the rotary compressing cylinder.

3. The alloy charging mechanism according to claim 1, wherein: the feeding mechanism is in vacuum isolation with the smelting chamber through an isolation valve, and an inflation inlet and a deflation port are arranged on the feeding bin body; the charging bin body is also provided with a vacuum and pressure monitoring assembly.

4. The alloy charging mechanism according to claim 1, wherein: the rotary compaction cylinder is controlled by an electromagnetic valve and a manual valve together.

5. The alloy charging mechanism of claim 1, wherein: the feeding bin body is provided with an O-shaped sealing ring.