CN215799812U - Feeding device of electron beam cold bed furnace - Google Patents

Abstract

The utility model discloses a feeding device of an electron beam cold bed furnace, which relates to the technical field of electron beam cold bed furnaces and comprises a feeding bin, a roller and a driving system, wherein the inner wall of the roller is provided with a helical blade, a helical channel is formed between the inner wall of the roller and the helical blade, one end of the roller is an open end, the other end of the roller is a sealed end, the sealed end is detachably connected with the driving system, the upper end of the feeding bin is a feeding bin opening, a roller supporting structure is arranged in the feeding bin, the side wall of the feeding bin is provided with a discharging port, and the discharging port is provided with a material conveying channel communicated with the electron beam cold bed furnace. Therefore, a large amount of time and labor are saved for industrial production, the production efficiency is improved, and the cost is reduced.

Description

Feeding device of electron beam cold bed furnace

Technical Field

The utility model relates to the technical field of feeding of electron beam cold bed furnaces, in particular to a feeding device of an electron beam cold bed furnace.

Background

An electron beam cold hearth furnace is a special vacuum metallurgical device for electron beam melting, and is characterized in that the electron beam melting furnace is vacuumized, an electron gun assembly is used for emitting electron beams to raw materials, the raw materials are liquefied and evaporated to form steam, and then the steam is rapidly cooled to form metal ingots. Under the action of high vacuum and high temperature, gas and impurities in the liquid metal are largely evaporated, so that a high-purity compact solidified metal ingot is obtained. Under the condition of high vacuum, the cathode is heated under the action of high-voltage electric field to emit electrons, the electrons are collected into a beam, the electron beam moves towards the anode at a very high speed under the action of accelerating voltage, and after passing through the anode, the electron beam accurately bombards the bottom ingot and the materials in the crystallizer under the action of a focusing coil and a deflecting coil, so that the bottom ingot is melted to form a molten pool, and the materials are also melted and dropped into the molten pool, thereby realizing the melting process, namely the electron beam melting principle. When the electron beam vacuum furnace works, under the irradiation of electron beams, the furnace is at high temperature and in a high vacuum state.

In the field of electron beam processing, conventional feeders have been unable to meet the requirements for feeding electron beams. The working temperature of the electron beam melting furnace is generally very high, for example, when titanium powder is melted, the temperature can reach more than 1680 ℃, and under a high-temperature environment, a common feeding device is difficult to complete the feeding task of the electron beam melting furnace. Most of the traditional smelting furnaces feed materials by placing the raw materials in a groove of a feeding bin and pushing the raw materials into a smelting tank in an electron beam cold hearth furnace through a push rod, and if the feeding speed is too slow, the production efficiency is influenced; if the feeding speed is too high, molten metal can overflow, so that the smelting furnace is melted or evaporated, industrial accidents are easy to happen, impurities are introduced, raw materials are polluted, and the performance of the materials cannot meet the production requirement. In the pushing process of the push rod, the raw materials can leak laterally, so that the conditions of insufficient raw materials and uneven discharging in the smelting process can be caused; after smelting, cleaning of the feeding chamber is involved, which not only wastes a lot of manpower and time, but also increases the cost of industrial production, and is not beneficial to industrial production.

Therefore, the feeding device of the electron beam cold hearth furnace is urgently needed at present to solve the defects of the feeding of the traditional push rod and solve the problems of raw material side leakage, uneven discharging, time and labor waste and the like in the feeding process of the smelting furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a feeding device of an electron beam cold hearth furnace, which ensures uniform discharging and controllable discharging speed.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a feed arrangement of electron beam cold bed furnace, includes feeding storehouse, cylinder and actuating system, the cylinder inner wall is provided with helical blade, forms helical passage between cylinder inner wall and the helical blade, and the one end opening of cylinder is for supplying the open end of raw materials business turn over, and the other end of cylinder is sealed to be sealed end, sealed end can be dismantled and be connected with and make cylinder pivoted actuating system, the feeding storehouse opening of upper end for supplying the cylinder business turn over of feeding storehouse, be provided with supporting roller pivoted cylinder bearing structure in the feeding storehouse, be provided with the discharge gate that corresponds the intercommunication with the cylinder open end on the lateral wall of feeding storehouse, discharge gate department sets up and has the defeated material passageway of electron beam cold bed furnace intercommunication.

Furthermore, a cooling system is arranged in the feeding bin.

Furthermore, an infrared detection device for positioning the roller is arranged in the feeding bin.

Further, the roller supporting structure comprises supporting rollers, the supporting rollers are arranged on the inner wall of the feeding bin, and roller sliding ways matched with the supporting rollers in a corresponding mode are arranged on the outer wall of the roller.

Furthermore, a vibrator which enables the material conveying channel to vibrate is arranged on the material conveying channel.

Furthermore, a material tongue is arranged at one end of the material conveying channel communicated with the electron beam cold bed furnace.

Further, actuating system includes motor, drive shaft and sprocket feed subassembly, and the sprocket feed subassembly includes transmission input and transmission output, and the sealed end department at the cylinder can be dismantled to the one end of drive shaft, and the other end of drive shaft is connected with the transmission output of sprocket feed subassembly, and the transmission input of sprocket feed subassembly is connected with the motor.

The utility model has the beneficial effects that: the utility model realizes the conveying of raw materials required by smelting for the electron beam cold hearth furnace by driving the rotation of the roller by the driving system, controls the discharging speed of the raw materials, ensures the uniform discharging, and solves the defects of the traditional push rod feeding, thereby saving a large amount of time and labor for industrial production, improving the production efficiency and reducing the cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

shown in the figure: 1-a feeding bin; 101-opening of a feeding bin; 2-a roller; 201-open end; 202-sealed end; 3-a drive system; 4-a drum support structure; 5-a material conveying channel; 6-a cooling system; 7-an infrared detection device; 8-a vibrator; 9-material tongue; 10-electron beam cold hearth furnace.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1, the feeding device of the electron beam cold hearth furnace of the present invention includes a feeding bin 1, a roller 2 and a driving system 3, wherein helical blades are arranged on an inner wall of the roller 2, a helical channel is formed between the inner wall of the roller 2 and the helical blades, an opening at one end of the roller 2 is an open end 201 for raw material to pass in and out, a sealing end 202 is sealed at the other end of the roller 2, the sealing end 202 is detachably connected with the driving system 3 for rotating the roller 2, an opening 101 of the feeding bin 1 for the roller 2 to pass in and out is arranged at an upper end of the feeding bin 1, a roller supporting structure 4 for supporting the roller 2 to rotate is arranged in the feeding bin 1, a discharging port correspondingly communicated with the open end 201 of the roller 2 is arranged on a side wall of the feeding bin 1, and a material conveying channel 5 communicated with the electron beam cold hearth furnace is arranged at the discharging port. When the feeding device is used, firstly, the roller 2 is charged outside the feeding bin 1, raw materials are put into an inner cavity of the roller 2 from the opening end 201, then the roller 2 is conveyed to the roller supporting structure 4 in the feeding bin 1 from the opening 101 of the feeding bin through a crane, the roller 2 is driven to rotate around the axis of the roller by the driving system 3, the inner cavity of the roller 2 is a spiral channel, the raw materials in the inner cavity are conveyed to the opening end 201 while the roller 2 rotates, and the raw materials pass through the conveying channel 5 and then reach a smelting tank in an electron beam cold hearth furnace, so that the raw materials are conveyed. According to the utility model, the driving system 3 drives the roller 2 to rotate, so that raw materials required by the electron beam cold hearth furnace are conveyed and smelted, the discharging speed of the raw materials is controlled, the uniform discharging is ensured, and the defects of the traditional push rod feeding are overcome, so that a large amount of time and labor are saved for industrial production, the production efficiency is improved, and the cost is reduced.

And a cooling system 6 is arranged in the feeding bin 1. Because feeding storehouse 1 is near electron beam cold bed stove, most feeding storehouse 1 welding is at the outer wall of electron beam cold bed stove, so the temperature of feeding storehouse 1 is very high, in order to prevent feeding storehouse 1 high temperature, lead to the raw materials in the cylinder 2 to receive the influence, so be provided with cooling system 6 in feeding storehouse 1, with the temperature control in feeding storehouse 1 within the suitable temperature range, specific in feeding storehouse 1 bottom, the cold bed of fluted body formula is installed to the below of cylinder 2, its structure is by copper, the intermediate layer, the crucible of the water-cooling copper that water constitutes, the purpose is for the cooling. The cooling bed takes away heat through flowing water, so that the effect of cooling is achieved, and the solidification of the molten metal and the temperature reduction of the feeding bin 1 are accelerated.

In order to enable the roller 2 to be accurately hoisted into the feeding bin 1, an infrared detection device 7 positioned for the roller 2 is arranged in the feeding bin 1. The infrared detection device 7 can detect the position of the roller 2, and after the roller reaches the designated position, the infrared detection device 7 sends a signal to remind an operator that the roller 2 reaches the designated position, so that the next operation is performed.

Cylinder bearing structure 4's effect rotates for supporting cylinder 2, can be the backup pad, with 2 complex support slides of cylinder, etc. as long as guarantee that cylinder 2 can be in 1 internal rotations in feeding storehouse, in this embodiment, in order to reduce the rotatory resistance that receives of cylinder 2, increase transmission efficiency, cylinder bearing structure 4 includes supporting roller, supporting roller sets up at 1 inner wall in feeding storehouse, just 2 outer walls of cylinder are provided with and correspond complex gyro wheel slide with supporting roller. The direction of rotation of supporting roller is unanimous with the direction of rotation of cylinder 2, and the supporting roller cooperation is in the gyro wheel slide on 2 outer walls of cylinder to guarantee that cylinder 2 obtains reducing at the resistance that rotatory in-process received, increase transmission efficiency, reduce the outer wall wearing and tearing of cylinder 2, increase cylinder 2's life.

In order to prevent the material from accumulating in the material conveying channel 5 and causing blockage, in this embodiment, a vibrator 8 for vibrating the material conveying channel 5 is disposed on the material conveying channel 5. The vibrator 8 drives the material conveying channel 5 to vibrate, so that smoothness of the material conveying channel 5 is guaranteed, the material conveying process can be normally carried out, and material conveying can be uniformly guaranteed.

And a material tongue 9 is arranged at one end of the material conveying channel 5 communicated with the electron beam cold bed furnace. The raw materials stably slide into the electron beam cold hearth furnace at a constant speed through the material tongue, so that the raw materials are prevented from flowing into a smelting tank in the electron beam cold hearth furnace in a pile manner, and the splashing of molten metal in the tank and the occurrence of accidents are avoided.

The effect of actuating system 3 is that driving roller 2 is rotatory to realize that the raw materials is carried from open end 201, actuating system 3 can be manual drive, motor drive etc. in this embodiment, actuating system 3 includes motor, drive shaft and sprocket feed subassembly, and the sprocket feed subassembly includes transmission input and transmission output, and the sealed end 202 department of connection at roller 2 can be dismantled to the one end of drive shaft, and the other end of drive shaft is connected with the transmission output of sprocket feed subassembly, and the transmission input of sprocket feed subassembly is connected with the motor. The sealed end 202 department of cylinder 2 is provided with drive shaft complex draw-in groove, and drive shaft detachable connects in the sealed end 202 department of cylinder 2 to guarantee that cylinder 2 can be free business turn over in the feed bin 1.

Claims (7)

1. The utility model provides a feed arrangement of electron beam cold bed stove which characterized in that: comprises a feeding bin (1), a roller (2) and a driving system (3), wherein the inner wall of the roller (2) is provided with helical blades, a helical channel is formed between the inner wall of the roller (2) and the helical blades, one end of the roller (2) is provided with an opening end (201) for raw materials to pass in and out, the other end of the roller (2) is sealed to be a sealing end (202), the sealing end (202) is detachably connected with a driving system (3) which enables the roller (2) to rotate, the upper end of the feeding bin (1) is a feeding bin opening (101) for the roller (2) to pass in and out, a roller supporting structure (4) for supporting the roller (2) to rotate is arranged in the feeding bin (1), a discharge hole correspondingly communicated with the open end (201) of the roller (2) is arranged on the side wall of the feeding bin (1), and a material conveying channel (5) communicated with the electron beam cold hearth is arranged at the discharge port.

2. The feeding device of an electron beam cold hearth according to claim 1, wherein: and a cooling system (6) is arranged in the feeding bin (1).

3. The feeding device of an electron beam cold hearth according to claim 2, wherein: an infrared detection device (7) positioned for the roller (2) is arranged in the feeding bin (1).

4. The feeding device of an electron beam cold hearth according to claim 1, 2 or 3, wherein: the roller supporting structure (4) comprises supporting rollers, the supporting rollers are arranged on the inner wall of the feeding bin (1), and roller slide ways matched with the supporting rollers in a corresponding mode are arranged on the outer wall of the roller (2).

5. The feeding device of an electron beam cold hearth according to claim 4, wherein: the material conveying channel (5) is provided with a vibrator (8) which can make the material conveying channel (5) vibrate.

6. The feeding device of an electron beam cold hearth according to claim 5, wherein: and a material tongue (9) is arranged at one end of the material conveying channel (5) communicated with the electron beam cold hearth.

7. The feeding device of an electron beam cold hearth according to claim 6, wherein: the driving system (3) comprises a motor, a driving shaft and a chain wheel transmission assembly, the chain wheel transmission assembly comprises a transmission input end and a transmission output end, one end of the driving shaft is detachably connected to the sealing end (202) of the roller (2), the other end of the driving shaft is connected with the transmission output end of the chain wheel transmission assembly, and the transmission input end of the chain wheel transmission assembly is connected with the motor.

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