CN210036254U - Closed tube furnace - Google Patents

Abstract

The utility model discloses a closed tube furnace in the technical field of vacuum tube furnaces, which comprises an upper box body and a lower box body, wherein flange brackets are fixed at the lower ends of the two sides of the upper box body, an operating voltage indicator lamp is arranged on the outer surface of the flange brackets, a fan opening is arranged at one side of the upper box body, the top of the lower box body is fixed with the bottom of the upper box body, an air hole is arranged at one side of the lower box body, a triangular socket is fixed at the side wall of the lower box body under the position close to the air hole, a large-scale touch screen instrument is arranged on the outer side wall at the front end of the lower box body, a float flowmeter is arranged at one side of the large-scale touch screen instrument, a prompt lamp key, an ammeter inlet and a display pressure switch are arranged at the other side of the large-scale touch screen instrument, a 1P10A air switch is arranged at the rear end of, the utility model discloses a reasonable control can realize the automatic function of equipment, improve equipment's work efficiency.

Description

Closed tube furnace

Technical Field

The utility model relates to a vacuum tube furnace technical field specifically is closed tube furnace.

Background

The machine industry is used for heating raw materials, blanks and mechanical parts. Such as blank heating before plate rolling and forging heating. Heat treatment of mechanical parts and semi-finished products to improve their mechanical properties, such as rod quenching, tempering, annealing, normalizing, gas carburizing, nitriding, etc. It is also used for sintering, brazing, and part of electric resistance furnaces for smelting low-melting point metals and heating in the ceramic glass industry. The applicable temperature is below 2000 ℃.

A prior closed tube furnace is shown in fig. 1; including the iron footing, power start key, power stop key, the switch key, the operation pilot lamp, the S323 interface, intelligent temperature control instrument constitutes by upper and lower box respectively, goes up the box and is furnace panel beating shell, and lower box is the partial casing of electrical control, and current closed tubular furnace has following defect when using:

(1) the existing product has no good heat dissipation mode and has defects in heat dissipation;

(2) the automatic air inlet and exhaust and vacuum pumping can not be realized, overpressure alarm and equipment failure alarm are not generated, the safety is defective, and a mechanical pressure gauge is adopted, so that the gas pressure is not sufficient in the aspects of accurate display and gas pressure control;

(3) in the aspect of display, only an LED intelligent temperature control instrument is utilized, a PC, a cloud end and a mobile phone APP cannot be directly connected, and the defects in the aspect of simple and convenient operation of equipment are overcome;

(4) the gas flow cannot be intuitively controlled when the device works;

(5) the device is inconvenient to move and use in practical application.

Based on this, the utility model designs a closed tube furnace to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed tube furnace to solve the removal of the device of being not convenient for of the current closed tube furnace that proposes in the above-mentioned background art, the safety of fluid control and equipment is controlled.

In order to achieve the above object, the utility model provides a following technical scheme: the closed tube furnace comprises an upper box body and a lower box body, wherein flange brackets are fixed at the lower ends of two sides of the upper box body, an operating voltage indicator lamp is arranged on the outer surface of each flange bracket, a fan opening is formed in one side of the upper box body, the top of the lower box body is fixed with the bottom of the upper box body, an air hole is formed in one side of the lower box body, a triangular socket is fixed on the side wall of the lower box body below the air hole, a large touch screen instrument is arranged on the outer side wall of the front end of the lower box body, a float flowmeter is arranged on one side of the large touch screen instrument, a warning light key, an ammeter inlet and a display pressure switch are arranged on the other side of the large touch screen instrument, a 1P10A air switch is arranged at the rear end of the lower box body, a power supply wire hole is formed below the 1P10A air switch, and a network wire interface is arranged above, the bottom swing joint of box has the fortune horse wheel down, the inside of going up the box is provided with furnace, furnace's inner wall joint has heating element, the inboard grafting of heating element has the thermocouple, inner chamber one side of box is fixed with solenoid valve and check valve down, the inner chamber opposite side of box is provided with 24VDC power, 6P binding post, relay and fuse base down, the inner chamber lower surface of box is fixed with radiating block, 2P binding post, ac contactor and silicon controlled rectifier down.

Preferably, the air hole comprises an air inlet, an air outlet, a vacuum pumping port, an air inlet outlet, a water inlet and a water outlet.

Preferably, the prompting lamp comprises an operating voltage indicating lamp, a fault warning lamp, an overpressure warning indicating lamp, a power supply starting key, a power supply stopping key, a power supply switch, a vacuumizing button, a gas stopping key and a gas inlet key.

Preferably, the relay base is fixedly connected with the fuse.

Preferably, the fuse is electrically connected with each set of built-in wires.

Preferably, the overpressure alarm indicating lamp is electrically connected with the digital display pressure switch, automatically reacts according to the gas pressure and gives an alarm in the form of sound waves.

Preferably, the heating element is electrically connected with the large touch screen instrument through a thermocouple.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a built-in radiator fan of thermovent, can play the forced air cooling of circulation and reduce the shell temperature, the security of operating personnel work has been improved, the emergence of scald phenomenon has been avoided, advance through utilizing the automation, exhaust and evacuation, can realize the automation of operation flow, work efficiency has been improved, through utilizing superpressure alarm indicating signal, can realize automatic alarm when equipment operation breaks down, inform operating personnel through sound, investigate operation trouble, through large-screen touch instrument, can lug connection PC, high in the clouds and cell-phone APP, survey and the operating temperature in the controlgear in real time, simultaneously can generate the report form, be convenient for study and analysis, through the float flowmeter, the gaseous flow of control admit air that can be fine, through using the horse wheel, be convenient for to the removal and the fixed of device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a rear view of the present invention;

fig. 5 is a longitudinal sectional view of the present invention;

fig. 6 is a transverse sectional view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

in fig. 2 and 3: 1-power supply start key, 2-power supply stop key, 3-power supply switch, 4-Fuma wheel, 5-vacuum pumping button, 6-gas stop key, 7-gas inlet key, 8-running voltage indicator lamp, 9-overpressure alarm indicator lamp, 10-fault alarm lamp and 11-ammeter; 12-digital display pressure switch, 13-large touch screen instrument, and 14-float flowmeter.

In fig. 4: c 1-three-fork socket, c2-7- (air inlet, air exhaust, vacuum pumping, air inlet, air outlet, water inlet, water outlet, all air inlet water inlets), c 3-lower shell, c 4-upper shell and c 5-fan port.

In fig. 5: b 1-power cord hole, b2-1P10A air switch, b 3-network cord interface, b 4-flange bracket.

In fig. 6: p1-hearth, P2-heating element, P3-thermocouple, P4-2P terminal, P5-AC contactor, P6-electromagnetic valve, P7-one-way valve, P8-radiating block, P9-silicon controlled rectifier, P10-24VDC power supply, P11-6P terminal, P12-current transformer, P13-7-relay, P14-2-fuse base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 2-6, the present invention provides a technical solution: a closed tube furnace comprises an upper box body and a lower box body, wherein flange brackets are fixed at the lower ends of two sides of the upper box body, an operating voltage indicator lamp is arranged on the outer surface of each flange bracket, a fan opening is formed in one side of the upper box body, the top of the lower box body is fixed with the bottom of the upper box body, an air hole is formed in one side of the lower box body, a triangular socket is fixed on the side wall of the lower box body below the air hole, a large touch screen instrument is arranged on the outer side wall of the front end of the lower box body, a float flow meter is arranged on one side of the large touch screen instrument, a warning light key, an ammeter inlet and a digital display pressure switch are arranged on the other side of the large touch screen instrument, a 1P10A air switch is arranged at the rear end of the lower box body, a power supply wire hole is arranged below the 1P10A air switch, a network wire interface is arranged above the 1P10 63, heating element has been connected to the inner wall joint of furnace, and the inboard of heating element is pegged graft and is had the thermocouple, and inner chamber one side of lower box is fixed with solenoid valve and check valve, and the inner chamber opposite side of lower box is provided with 24VDC power, 6P binding post, relay and fuse base, and the inner chamber lower surface of lower box is fixed with radiating block, 2P binding post, ac contactor and silicon controlled rectifier.

The air holes comprise an air inlet, an air outlet, a vacuumizing hole, an air inlet outlet, a water inlet and a water outlet, so that the pretreatment before the processing of the hearth is facilitated; the prompting lamp comprises an operating voltage indicating lamp, a fault alarm lamp, an overpressure alarm indicating lamp, a power supply starting key, a power supply stopping key, a power switch, a vacuumizing button, a gas stopping key and a gas inlet key, and is convenient for providing good control over the operation of equipment; the relay base is fixedly connected with the fuse; the fuse is electrically connected with each group of built-in wires; the overpressure alarm indicator lamp is electrically connected with the digital display pressure switch, automatically reacts according to the gas pressure and gives an alarm in the form of sound waves; the heating element is electrically connected with the large-scale touch screen instrument through the thermocouple.

One specific application of this embodiment is: when the device is used, the device can be moved and fixedly used by utilizing the Fuma wheel, meanwhile, when the heat in the device is too large, the fan heat fan at the heat outlet can be driven to rotate through the electric control switch, the heat in the device can be LED out, the device can be driven to automatically intake and exhaust the air in the hearth by pressing the vacuumizing button, the gas stop key, the air intake key and the like, the vacuumizing is performed, the heating element is prevented from being oxidized by air in the heating process, meanwhile, when the device breaks down, the overpressure alarm can be used for automatically giving an alarm in a sound mode, the inspection and maintenance work of an operator can be facilitated, the pressure can be displayed in real time through the digital display pressure switch, the on-off of a circuit can be automatically controlled, the temperature data can be monitored and displayed in real time through the effect of the LED intelligent temperature control instrument, and meanwhile, the device can be connected with, High in the clouds and cell-phone APP through under float flowmeter's effect, can be convenient for operating personnel let in the flow to gas and realize fine the accuse, the going on of the whole heating process of being convenient for, simultaneously under the effect of fortune horse wheel, can be convenient for realize removing through setting up fortune horse wheel pair device, will fortune horse wheel is put down simultaneously and is fixed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. Closed tube furnace, including last box and lower box, its characterized in that: the lower ends of two sides of the upper box body are respectively fixed with a flange bracket, the outer surface of the flange bracket is provided with an operating voltage indicator lamp, one side of the upper box body is provided with a fan opening, the top of the lower box body is fixed with the bottom of the upper box body, one side of the lower box body is provided with an air hole, the side wall of the lower box body below the air hole is fixed with a triangular socket, the outer side wall of the front end of the lower box body is provided with a large-scale touch screen instrument, one side of the large-scale touch screen instrument is provided with a float flowmeter, the other side of the large-scale touch screen instrument is provided with a warning light key, an ammeter inlet and a display pressure switch, the rear end of the lower box body is provided with a 1P10A air switch, the lower part of the 1P10A air switch is provided with a power supply wire hole, the upper part of the 1P10A air switch, the improved heating box is characterized in that a hearth is arranged inside the upper box body, a heating element is clamped on the inner wall of the hearth, a thermocouple is inserted into the inner side of the heating element, a solenoid valve and a one-way valve are fixed on one side of the inner cavity of the lower box body, a 24VDC power supply, a 6P wiring terminal, a relay and a fuse base are arranged on the other side of the inner cavity of the lower box body, and a heat dissipation block, a 2P wiring terminal, an alternating current contactor and a controlled silicon are fixed on the lower surface of.

2. The enclosed tube furnace of claim 1, wherein: the air hole comprises an air inlet, an air exhaust port, a vacuumizing port, an air inlet outlet, a water inlet and a water outlet.

3. The enclosed tube furnace of claim 1, wherein: the prompting lamp comprises an operating voltage indicating lamp, a fault alarm lamp, an overpressure alarm indicating lamp, a power supply starting key, a power supply stopping key, a power supply switch, a vacuumizing button, a gas stopping key and a gas inlet key.

4. The enclosed tube furnace of claim 1, wherein: the relay base is fixedly connected with the fuse.

5. The enclosed tube furnace of claim 1, wherein: the fuse is electrically connected with each group of built-in wires.

6. The enclosed tube furnace of claim 3, wherein: the overpressure alarm indicating lamp is electrically connected with the digital display pressure switch, automatically reacts according to the gas pressure and gives an alarm in the form of sound waves.

7. The enclosed tube furnace of claim 1, wherein: the heating element is electrically connected with the large-scale touch screen instrument through the thermocouple.

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