CN210180110U

CN210180110U - Gas formula tunnel oven

Info

Publication number: CN210180110U
Application number: CN201920789626.3U
Authority: CN
Inventors: Jun Zhang; 张军
Original assignee: HENAN HAILE ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: HENAN HAILE ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-24
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a gas formula tunnel oven, includes the furnace body and sets up the support frame in the furnace body bottom, the furnace body is the hollow rectangular bodily form of both sides open-ended, be provided with conveyor in the furnace body, conveyor passes the furnace body setting in the furnace body lower part, and a plurality of vents have been seted up at the furnace body top, and the vent is connected to hot-air pipes's one end, hot-air pipes's the other end is connected with the hot-blast furnace, the hot-blast furnace includes the casing and sets up the combustion chamber in the casing bottom, and the combustion chamber is connected with flue gas pipeline, and the space between flue gas pipeline and the casing forms the air chamber, and casing top one side is provided with the cold wind import. The utility model provides an among the prior art three-dimensional electric oven inefficiency, the big problem of electric energy loss, simple structure, convenient to use.

Description

Gas formula tunnel oven

Technical Field

The utility model relates to a drying equipment technical field, concretely relates to gas formula tunnel oven.

Background

PCB boards, also known as printed circuit boards, are providers of electrical connections for electronic components. The advent of PCB boards has greatly reduced the errors of circuit wiring and assembly in the past, increased the level of automation and production labor, and has taken up a significant portion of the current electronics industry. The PCB circuit board is in the course of working, in order to eliminate the internal stress of PCB board, get rid of the moisture on the board, increase the welding fastness of solder flux and plate, can toast the processing to the PCB circuit board usually, adopt three-dimensional electric oven to toast the PCB board on the market at present, and is inefficient, can not satisfy the needs of large-scale production, and tunnel type oven production efficiency is high, and the energy consumption is big, and the gas energy is clean, and convenient to use can practice thrift the energy consumption.

Disclosure of Invention

In order to solve the problems of low efficiency and large electric energy loss of the three-dimensional electric oven in the prior art, the utility model provides a gas type tunnel oven.

A gas-fired tunnel oven comprises an oven body and a supporting frame arranged at the bottom of the oven body, wherein the oven body is in a hollow cuboid shape with openings at two sides, baffles are arranged at the openings at two sides, a conveying device is arranged in the furnace body, the conveying device penetrates through the furnace body and is arranged at the lower part of the furnace body, a plurality of ventilation openings are arranged at the top of the furnace body, the ventilation openings are connected to one end of a hot air pipeline, the other end of the hot air pipeline is connected with a hot air furnace, the hot air furnace comprises a shell and a combustion chamber arranged at the bottom of the shell, the combustion chamber is connected with a flue gas pipeline, the tip of flue gas pipeline is provided with the flue gas export, and the flue gas export is connected with the draught fan, and the space between flue gas pipeline and the casing forms the air chamber, and there is cold wind import, opposite side in casing top one side and is provided with hot air exitus, cold wind access connection has the air-blower, and hot air exitus is connected with hot-blast pipeline.

Further, the combustion chamber includes the gas-supply pipe, some firearm, equal fire board and snap ring, the gas-supply pipe sets up in the combustion chamber bottom, and some firearm setting is on the lateral wall of combustion chamber, the snap ring sets up on the inside wall of combustion chamber, and the snap ring has the take the altitude apart from the combustion chamber bottom, is provided with equal fire board on the snap ring.

Further, conveyor driving motor, cooling blower and conveying chain, driving motor sets up on the support frame, driving motor control conveying chain motion, and cooling blower cools off for driving motor.

Furthermore, temperature controllers are arranged at different horizontal positions in the furnace body.

Further, the flue gas pipeline is a serpentine pipeline.

Furthermore, the baffle is movably connected with the furnace body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model comprises a furnace body and a supporting frame, wherein, baffles are arranged on both sides of the furnace body, the temperature in the furnace body can be ensured by putting down the baffles when baking, a conveying device is arranged in the furnace body, which is convenient for conveying PCB boards, a vent is arranged on the top of the furnace body, and the vent is connected with a hot air pipeline, which can uniformly convey hot air into the furnace body for baking; the hot blast stove comprises a shell and a combustion chamber arranged at the bottom of the shell, wherein the combustion chamber is connected with a flue gas pipeline, an air chamber is formed in the space between the flue gas pipeline and the shell, high-temperature flue gas in the flue gas pipeline can transfer heat to air, indirect heat transfer is realized, clean hot air is ensured, no pollution is caused, and meanwhile, combustion and heat exchange are integrated, so that the space is saved; the flame equalizing plate is arranged in the combustion chamber, is a circular plate with through holes, can block flame, reduces the height of the flame in the combustion chamber, saves space and enables the combustion to be more sufficient; temperature controllers are arranged at different horizontal positions in the furnace body, so that the temperature in the furnace body can be fed back to workers in real time, and the workers can conveniently check the temperature; the flue gas pipeline is snakelike pipeline, can increase with the area of contact of air chamber, the reinforcing heat transfer, baffle and furnace body are swing joint, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the gas tunnel oven of the present invention.

Fig. 2 is a schematic structural diagram of the hot blast stove of the gas tunnel oven of the present invention.

Fig. 3 is a schematic structural view of a combustion chamber of the gas tunnel oven of the present invention.

FIG. 4 is a schematic structural diagram of a conveying device of a gas tunnel oven of the present invention

Reference numerals: 1 is the furnace body, 2 is the support frame, 3 is conveyor, 4 is hot air pipes, 5 is the hot-blast furnace, 6 is the temperature controller, 7 is the baffle, 8 is the air-blower, 9 is the draught fan, 301 is driving motor, 302 is cooling blower, 303 is the conveying chain, 501 is the casing, 502 is the combustion chamber, 5021 is the gas-supply pipe, 5022 is the some firearm, 5023 is the equal fire board, 5024 is the snap ring, 5025 is the relief valve, 503 is the flue gas pipeline, 504 is the air chamber, 505 is the cold wind import, 506 is hot air outlet, 507 is the flue gas outlet.

Detailed Description

The invention is further explained below with reference to the drawings and the embodiments:

a gas type tunnel oven comprises an oven body 1 and a support frame 2 arranged at the bottom of the oven body 1, wherein the oven body 1 is hollow and cuboid with openings at two sides, the openings at two sides are respectively provided with a baffle 7, the baffle 7 is movably connected with the oven body 1, temperature controllers 6 are arranged on different horizontal positions in the oven body 1, a conveying device 2 is arranged in the oven body 1, the conveying device 3 comprises a driving motor 301, a cooling fan 302 and a conveying chain 303, the driving motor 301 is arranged on the support frame 2, the driving motor 301 controls the conveying chain 303 to move, the cooling fan 302 cools the driving motor 301, specifically, the driving motor 301 in the embodiment is a YVF2-180L-4 type frequency conversion motor produced by China force control Limited company, the cooling fan 302 is a G-90A type cooling fan produced by Hengzhou electric Limited company in Leqing City, the conveying device 3 penetrates through the furnace body and is arranged at the lower part of the furnace body 1, the top of the furnace body 1 is provided with a plurality of ventilation openings, the ventilation openings are connected with one end of a hot air pipeline 4, the other end of the hot air pipeline 4 is connected with a hot air furnace 5, the hot air furnace 5 comprises a shell 501 and a combustion chamber 502 arranged at the bottom of the shell 501, the combustion chamber 502 comprises a gas pipe 5021, an igniter 5022, a flame equalizing plate 5023 and a clamping ring 5024, the gas pipe 5021 is arranged at the bottom of the combustion chamber 502, the igniter 5022 is arranged on the inner side wall of the combustion chamber 502, the clamping ring 5024 has a certain height away from the bottom of the combustion chamber 502, the flame equalizing plate 5023 is arranged on the clamping ring 5024, the flame equalizing plate 5023 is a circular plate, a plurality of through holes are uniformly arranged on the flame plate 5023, the, the flue gas outlet 507 is connected with an induced draft fan 9, the space between the flue gas pipeline 503 and the shell 501 forms an air chamber 504, one side of the top of the shell 501 is provided with a cold air inlet 505, the other side is provided with a hot air outlet 506, the cold air inlet 505 is connected with an air blower 8, and the hot air outlet 506 is connected with the hot air pipeline 4.

When the utility model is used, the conveying device 3 is loaded with the PCB, the driving motor 301 drives the conveying chain 303 to convey the PCB into the furnace body 1, and the cooling fan 302 cools the driving motor; then the baffles 7 arranged at the two sides of the furnace body 1 are put down, the switch of the gas pipe 5021 is opened, gas is introduced into the gas pipe 5021, the gas enters the combustion chamber 502, the igniter 5022 is ignited, the gas is combusted in the combustion chamber 502, the flame equalizing plate 5023 is a circular plate with through holes, the flame can be blocked, the flame height can be controlled, the space of the combustion chamber 502 can be saved, and the combustion is more sufficient, specifically, in the embodiment, the flame equalizing plate 5023 is made of high temperature resistant asbestos, high temperature flue gas generated by combustion enters the flue gas pipeline 503, an air chamber 504 is arranged between the flue gas pipeline 503 and the shell 501, cold air enters the air chamber 504 through a blower 8 arranged at a cold air inlet 505, heat exchange is completed between the air chamber 504 and the high temperature flue gas in the flue gas pipeline 503, the high temperature flue gas which is changed into hot air and has a hot air outlet 506, the hot air pipeline 4 is connected with the furnace body, flue gas pipeline 503 tip is provided with draught fan 9, and draught fan 9 takes the flue gas after the heat transfer out, and different positions department in the furnace body is provided with the temperature controller, can feed back the staff with the temperature in the furnace body in real time, the control of being convenient for, specifically, the temperature controller in this embodiment is the E5CWL-R1TC temperature controller that the electromechanical device limited company was xu to the department of cleaner.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides a gas formula tunnel oven, includes furnace body (1) and support frame (2) of setting in furnace body (1) bottom, its characterized in that, furnace body (1) all is provided with baffle (7) for both sides open-ended hollow rectangular bodily form, both sides opening part, be provided with conveyor (3) in furnace body (1), conveyor (3) pass furnace body (1) and set up in furnace body (1) lower part, and a plurality of vents have been seted up at furnace body (1) top, and the vent is connected to the one end of hot-blast main (4), the other end of hot-blast main (4) is connected with hot-blast furnace (5), hot-blast furnace (5) include casing (501) and set up combustion chamber (502) in casing (501) bottom, and combustion chamber (502) are connected with flue gas pipeline (503), the tip of flue gas pipeline (503) is provided with exhanst gas outlet (507), and exhanst, the space between the flue gas pipeline (503) and the shell (501) forms an air chamber (504), one side of the top of the shell (501) is provided with a cold air inlet (505), the other side of the top of the shell (501) is provided with a hot air outlet (506), the cold air inlet (505) is connected with an air blower (8), and the hot air outlet (506) is connected with the hot air pipeline (4).

2. The gas-fired tunnel oven according to claim 1, wherein the combustion chamber (502) comprises a gas pipe (5021), an igniter (5022), a flame equalizing plate (5023) and a clamping ring (5024), the gas pipe (5021) is arranged at the bottom of the combustion chamber (502), a safety valve (5025) is arranged on the gas pipe (5021), the igniter (5022) is arranged on the side wall of the combustion chamber (502), the clamping ring (5024) is arranged on the inner side wall of the combustion chamber (502), the clamping ring (5024) has a certain height from the bottom of the combustion chamber (502), the flame equalizing plate (5023) is arranged on the clamping ring (5024), the flame equalizing plate (5023) is a circular plate, and a plurality of through holes are uniformly formed in the flame equalizing plate (5023).

3. The gas-fired tunnel oven according to claim 1, characterized in that the conveying device (3) comprises a driving motor (301), a cooling fan (302) and a conveying chain (303), the driving motor (301) is arranged on the supporting frame (2), the driving motor (301) controls the conveying chain (303) to move, and the cooling fan (302) cools and cools the driving motor (301).

4. A gas tunnel oven according to claim 1, characterized in that temperature controllers (6) are arranged at different horizontal positions in the oven body (1).

5. A gas tunnel oven according to claim 1, characterized in that said flue gas duct (503) is a serpentine duct.

6. A gas tunnel oven according to claim 1, characterized in that the baffle (7) is movably connected to the oven body (1).