Automatic control device for optoelectronic switch of muffle furnace
A technology of automatic control device and photoelectric switch, which is applied in muffle furnaces, stoves, cooking furnaces, etc., can solve the problems of flammable and explosive hydrogen leakage, unsatisfactory working environment, low production efficiency, etc. Safe and reliable, work efficiency improvement effect
Pending Publication Date: 2019-03-29
TAIZHOU HUACHENG TUNGSTEN & MOLYBDENUM MFR
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Problems solved by technology
However, the staff still need to manually control the feeding and discharging during operation, the production efficiency is low, and there are flammable and explosive hydrogen leakage and high-temperature radiation, the labor intensity is high, and the working environment is not ideal
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[0018] Such as figure 1 As shown, the photoelectric switch automatic control device for muffle furnace includes support 1, furnace body 8, automatic feeding mechanism and control device. Furnace body 8 is arranged on support 1, and one end of furnace body 8 is provided with feeding door 5 The other end is provided with a discharge door 6, and a molybdenum boat for placing materials is provided in the furnace body 8. The automatic feeding mechanism is connected with the molybdenum boat and can push the displacement of the molybdenum boat. The control device and the automatic feeding mechanism are electrically connected. connection, the control device includes a photoelectric switch 9, the photoelectric switch 9 is composed of a transmitting end and a receiving end, the two sides of the end of the furnace body 8 close to the shell of the discharge door 6 are oppositely provided with light-transmitting detection windows 10, and the detection windows 10 on both sides correspond to ...
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The invention relates to an automatic control device for an optoelectronic switch of a muffle furnace. The automatic control device comprises a support, a furnace body, an automatic feeding mechanismand a control device body. The furnace body is arranged on the support. The furnace body is provided with a feeding door and a discharging door. The furnace body is internally provided with a molybdenum boat. The control device body is electrically connected with the automatic feeding mechanism. The control device body comprises the optoelectronic switch and a detecting device. The detecting device is arranged on a shell at the tail end of the furnace body, and the optoelectronic switch is arranged on the detecting device. The detecting device is composed of the shell and a light transmittingdetecting window, the detecting device is fixed to the furnace body shell, and when the optoelectronic switch detects that the molybdenum boat in the furnace body moves to a detection position throughthe detecting window, a signal is emitted to indicate the automatic feeding mechanism to stop moving. According to the automatic control device, the optoelectronic switch and the detecting device areused for controlling a mechanical transmission device, and moving and stopping of the molybdenum boat can be controlled without manual operation. The automatic control device is relatively high in degree of automation, the labor intensity of operators is reduced, the working efficiency is improved, using is safe and reliable, and the working environment is relatively good.
Description
technical field [0001] The invention relates to the technical field of muffle furnaces, in particular to an automatic control device for muffle furnaces dedicated to tungsten-molybdenum alloys using photoelectric switches. Background technique [0002] Both non-ferrous metals tungsten and molybdenum are refractory metals. The production of tungsten-molybdenum alloys is generally processed by powder metallurgy sintering. The high-temperature processing is usually carried out in a muffle furnace, and hydrogen is used as a protective gas during the sintering process. [0003] At present, the existing muffle furnaces for processing tungsten-molybdenum alloys generally have two structures: single-door and double-door. The single-door muffle furnace needs to open the door for feeding or discharging materials, which cannot be used for continuous processing and has a low degree of automation. The double-door muffle furnace adopts the production method of feeding material at one end ...
Claims
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IPC IPC(8): F27B5/18F27B5/12
CPCF27B5/18F27B5/12
Inventor 徐文进
Owner TAIZHOU HUACHENG TUNGSTEN & MOLYBDENUM MFR