CN208183032U - A kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device - Google Patents

Abstract

The utility model discloses a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding devices, including outer cylinder, the outer cylinder is internally provided with inner cylinder, extraction tracheae is installed on the outer cylinder, circle pipe is provided between the inner barrel and outer barrel, one end of the circle pipe is provided with thermal current muffler, the other end of the circle pipe is provided with the first gas-guide tube, the inside of inner cylinder is arranged in first gas-guide tube, and first gas-guide tube by pipeline with circle pipe be connected, supporter is provided with above first gas-guide tube, the utility model is provided with outer cylinder and inner cylinder, in the heating period by the gap vacuum state between outer cylinder and inner cylinder, cooperate the circle pipe for being passed through thermal current and generating heat, it can make that there is good thermal insulation property between outer cylinder and inner cylinder, to reduce scattering and disappearing for heat, it is heat-treated conducive to article, annealing rank Section releases the article annealing that vacuum state is conducive to heat treatment again.

Description

A kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device

Technical field

The utility model belongs to technical field of heat treatment equipment, and in particular to a kind of full-automatic rodlike heat-treatment furnace use is efficient Hot air circulation guiding device.

Background technique

Heat-treatment furnace is the general designation that metal works are carried out with the industrial furnace of various metal heat treatmets, and temperature is generally compared with heating furnace To be low, heat-treatment furnace can use the type of furnace of various heating furnaces, and modern heat treatment (especially thermo-chemical treatment) technique is increasingly The form of complexity, heat-treatment furnace is also very much, be using control atmosphere for being continuously heat-treated process.

In the Chinese patent of Patent No. CN201720961390.8, it is noted that a kind of heat-treatment furnace is followed with efficient hot-air Ring guiding device can be removed in heating process by the graphite linings, filtering gauze and the anhydrous calcium chloride that are arranged in drying box The toxic gas of generation, the temperature in furnace is uniform, but a kind of above-mentioned heat-treatment furnace efficient hot-air circulation flow guiding device does not have Insulation construction is set, in-furnace temperature cannot be kept well in the heating period, in addition, a kind of above-mentioned heat-treatment furnace efficient hot-air Circulation flow guiding device cannot be such that article in furnace is under the encirclement environment of protective gas when heated.

Utility model content

The purpose of this utility model is to provide a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device, With solve it is mentioned above in the background art be not provided with insulation construction, in-furnace temperature cannot be kept well in the heating period, Article in furnace cannot be made to be in the problem that protective gas surrounds under environment when heated.

To achieve the above object, the utility model provides the following technical solutions: a kind of full-automatic rodlike heat-treatment furnace is high Hot air circulation guiding device is imitated, including outer cylinder, the outer cylinder are internally provided with inner cylinder, extraction gas are equipped on the outer cylinder It manages, circle pipe is provided between the inner barrel and outer barrel, one end of the circle pipe is provided with thermal current muffler, described to enclose the another of pipe One end is provided with the first gas-guide tube, and the inside of inner cylinder is arranged in first gas-guide tube, and the first gas-guide tube passes through pipeline and circle Pipe is connected, and is provided with supporter above first gas-guide tube.

Preferably, the side of the outer cylinder is provided with heating case, and the side of the heating case is provided with thermal current air inlet pipe, The heating case is internally provided with electrical heating elements, and the electrical heating elements are provided with axis far from the side of thermal current air inlet pipe Cylinder is held, sprocket drive spindle is installed on the bearing cartridge, flabellum is installed on the gear shaft, the top of the heating case is equipped with electricity Machine is equipped with gear on the motor, and the gear is meshed with gear shaft.

Preferably, the outer cylinder is provided with top case far from the side of heating case, and the top case is internally provided with gas storage steel Bottle, appendix is installed on the gas storage cylinder, the first solenoid valve, the side of the gas storage cylinder are installed on the appendix It is provided with controller, the controller is provided with exhaust fan far from the side of gas storage cylinder, pumping is provided on the exhaust fan It manages, second solenoid valve is installed on the exhaust tube.

Preferably, the second gas-guide tube, second gas-guide tube and the first gas-guide tube are installed in the thermal current air inlet pipe On be mounted on distinguished and admirable curved pipe.

Preferably, the exhaust tube and appendix are with inner cylinder through connection.

Preferably, the electrical heating elements, motor, the first solenoid valve, exhaust fan and second solenoid valve are electric with controller Property connection, the controller and external power supply are electrically connected.

The utility model compared with prior art, the utility model has the beneficial effects that

(1) the utility model is provided with outer cylinder and inner cylinder, is pumped into the gap between outer cylinder and inner cylinder very in the heating period Dummy status cooperates the circle pipe for being passed through thermal current and generating heat, and can make have good thermal insulation property between outer cylinder and inner cylinder, thus Scattering and disappearing for heat is reduced, is heat-treated conducive to article, annealing stage releases the article that vacuum state is conducive to be heat-treated again and moves back Fire, meanwhile, the outside of heating case is arranged in motor, interference of the thermal current to motor is reduced, conducive to the work of motor stabilizing.

(2) the utility model is provided with gas storage cylinder and exhaust fan, first passes through exhaust fan and takes the air in inner cylinder away, stores up It can store characteristic gas (such as: inert gas) in gas cylinder, characteristic gas can make to be heated in inner cylinder before heating Article is under the encirclement environment of protective gas, and good quality is kept during heating conducive to heat treatment article.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model circle pipe；

Fig. 3 is the structural schematic diagram that the utility model heats case；

Fig. 4 is the structural schematic diagram of the utility model top case；

Fig. 5 is the circuit block diagram of the utility model；

In figure: 1- outer cylinder, 2- inner cylinder, 3- circle pipe, 4- extraction tracheae, the first gas-guide tube of 5-, 6- exhaust tube, 7- appendix, 8- top case, 9- thermal current muffler, 10- thermal current air inlet pipe, 11- heating case, the second gas-guide tube of 12-, 13- shunt curved pipe, 14- supporter, 15- motor, 16- electrical heating elements, 17- gear, 18- gear shaft, 19- bearing cartridge, 20- flabellum, the first electricity of 21- Magnet valve, 22- controller, 23- exhaust fan, 24- second solenoid valve, 25- gas storage cylinder.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of full-automatic rodlike heat-treatment furnace High Efficiency Thermal Wind circulation flow guiding device, including outer cylinder 1, outer cylinder 1 are internally provided with inner cylinder 2, extraction tracheae 4, extraction gas are equipped on outer cylinder 1 Seal cap is installed on pipe 4, connecting external air-extractor can be by extraction tracheae 4 by the gap between inner cylinder 2 and outer cylinder 1 Vacuum state is provided with circle pipe 3 between inner cylinder 2 and outer cylinder 1, circle pipe 3 generates heat after the hot wind warp of reflux, cooperates vacuum Temperature is lost in environment reduction inner cylinder 2, and one end of circle pipe 3 is provided with thermal current muffler 9, and the other end of circle pipe 3 is provided with First gas-guide tube 5, the inside of inner cylinder 2 is arranged in the first gas-guide tube 5, and the first gas-guide tube 5 is connected by pipeline with circle pipe 3, The top of first gas-guide tube 5 is provided with supporter 14.

Further, the side of outer cylinder 1 is provided with heating case 11, and the side of heating case 11 is provided with thermal current air inlet pipe 10, heating case 11 is internally provided with electrical heating elements 16, and electrical heating elements 16 are arranged far from the side of thermal current air inlet pipe 10 There is bearing cartridge 19, sprocket drive spindle 18 is installed on bearing cartridge 19, flabellum 20, the top installation of heating case 11 are installed on gear shaft 18 There is motor 15, motor 15 uses YS-250W-8P driving motor, is equipped with gear 17, gear 17 and 18 phase of gear shaft on motor 15 Engagement.

Specifically, outer cylinder 1 is provided with top case 8 far from the side of heating case 11, top case 8 is internally provided with gas storage cylinder 25, it can store characteristic gas in gas storage cylinder 25, such as storage inert gas can make the article of heat treatment keep good Stability is equipped with appendix 7 on gas storage cylinder 25, the first solenoid valve 21, the side of gas storage cylinder 25 is equipped on appendix 7 It is provided with controller 22, controller 22 uses NUC100 microcontroller, and controller 22 is provided with far from the side of gas storage cylinder 25 Exhaust fan 23 is provided with exhaust tube 6 on exhaust fan 23, second solenoid valve 24 is equipped on exhaust tube 6.

It is worth noting that being equipped with the second gas-guide tube 12 in thermal current air inlet pipe 10, the second gas-guide tube 12 and first is led Distinguished and admirable curved pipe 13 is mounted on tracheae 5.

Specifically, exhaust tube 6 and appendix 7 are with inner cylinder 2 through connection.

Further, electrical heating elements 16, motor 15, the first solenoid valve 21, exhaust fan 23 and second solenoid valve 24 with Controller 22 is electrically connected, and controller 22 and external power supply are electrically connected.

The working principle and process for using of the utility model: in use, connecting external power supply, electricity is controlled by controller 22 Heating element 16 generates heat, then controls motor 15 by controller 22 and rotate with moving gear 17, to make gear 17 with movable gear shaft The flabellum 20 installed on 18 rotates, and the air-flow that the rotation of flabellum 20 is formed generates thermal current by electrical heating elements 16, thermal current from Thermal current air inlet pipe 10 enters in inner cylinder 2, then enters circle pipe 3 by the distinguished and admirable curved pipe 13 on the first gas-guide tube 5, finally leads to It crosses the thermal current muffler 9 installed on circle pipe 3 and is back to heating case 11, carry out circulating-heating and pass through controller before heating 22 the first solenoid valves 21 of control are opened, to make the gas stored in gas storage cylinder 25 enter in inner cylinder 2, in the first solenoid valve 21 While unlatching, controller 22 controls second solenoid valve 24 and opens and start exhaust fan 23, makes the gas stored in gas storage cylinder 25 Body is covered with rapidly in inner cylinder 2, and after a period of time, controller 22 controls the first solenoid valve 21 and second solenoid valve 24 is closed, and controls Exhaust fan 23 processed is out of service, prepares subsequent heating, meanwhile, can by external air-extractor by inner cylinder 2 and outer cylinder 1 it Between gap vacuum state, thus be conducive to keep inner cylinder 2 in temperature.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device, including outer cylinder (1), it is characterised in that: institute Being internally provided with inner cylinder (2) for outer cylinder (1) is stated, is equipped with extraction tracheae (4) on the outer cylinder (1), the inner cylinder (2) and outer cylinder (1) circle pipe (3) is provided between, one end of the circle pipe (3) is provided with thermal current muffler (9), described to enclose the another of pipe (3) End is provided with the first gas-guide tube (5), and the first gas-guide tube (5) setting is in the inside of inner cylinder (2), and the first gas-guide tube (5) is logical Piping is connected with circle pipe (3), is provided with supporter (14) above first gas-guide tube (5).

2. a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device according to claim 1, feature Be: the side of the outer cylinder (1) is provided with heating case (11), and the side of heating case (11) is provided with thermal current air inlet pipe (10), described to heat being internally provided with electrical heating elements (16) for case (11), the electrical heating elements (16) flow into far from hot gas The side of tracheae (10) is provided with bearing cartridge (19), installs sprocket drive spindle (18) on the bearing cartridge (19), the gear shaft (18) it is equipped on flabellum (20), the top of heating case (11) is equipped with motor (15), is equipped on the motor (15) Gear (17), the gear (17) are meshed with gear shaft (18).

3. a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device according to claim 2, feature Be: the outer cylinder (1) is provided with top case (8) far from the side of heating case (11), and the top case (8) is internally provided with gas storage Steel cylinder (25) is equipped with appendix (7) on the gas storage cylinder (25), is equipped with the first solenoid valve on the appendix (7) (21), the side of the gas storage cylinder (25) is provided with controller (22), and the controller (22) is far from gas storage cylinder (25) Side is provided with exhaust fan (23), is provided with exhaust tube (6) on the exhaust fan (23), and is equipped on the exhaust tube (6) Two solenoid valves (24).

4. a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device according to claim 2, feature It is: is equipped with the second gas-guide tube (12) on the thermal current air inlet pipe (10), second gas-guide tube (12) and the first air guide Distinguished and admirable curved pipe (13) are mounted on pipe (5).

5. a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device according to claim 3, feature Be: the exhaust tube (6) and appendix (7) are with inner cylinder (2) through connection.

6. a kind of full-automatic rodlike heat-treatment furnace efficient hot-air circulation flow guiding device according to claim 2, feature Be: the electrical heating elements (16), motor (15), the first solenoid valve (21), exhaust fan (23) and second solenoid valve (24) are equal It is electrically connected with controller (22), the controller (22) and external power supply are electrically connected.