CN214270981U - Hot air circulating device for MIM constant-common aging furnace - Google Patents

Abstract

The utility model discloses a heated air circulation device for MIM constant general ageing furnace, including cup jointing the insulating tube on furnace body top inner wall, the mounting panel has been cup jointed on the insulating tube bottom inner wall, there is the burning storehouse through bolted connection on the mounting panel top outer wall, and the mounting panel is located the vent that burning storehouse distributed all around on opening, the gas-supply pipe has been cup jointed on the inner wall of burning storehouse one side, be equipped with mixing mechanism on the outer wall of furnace body top one end, mixing mechanism is including handling the storehouse, it passes through bolted connection on furnace body top one end outer wall to handle the storehouse, it has cup jointed the gas pipe on the inner wall of handling storehouse one side, it has cup jointed the dust screen on the one end inner wall near the gas pipe to handle the storehouse bottom. The utility model discloses can remove dust and dry to the gas, can mix gas and air for the gas can the abundant burning, and heat when can make full use of gas burning has improved the heat utilization efficiency, has accelerated the inside programming rate of furnace body.

Description

Hot air circulating device for MIM constant-common aging furnace

Technical Field

The utility model relates to an ageing furnace technical field especially relates to a heated air circulation device for MIM constant ordinary ageing furnace.

Background

MIM, short for metal injection molding technology, is a heat treatment process in which an alloy workpiece is subjected to solution treatment, cold plastic deformation or casting, forging, and then is placed at a higher temperature or kept at room temperature to keep the performance, shape and size of the alloy workpiece changed with time, and in the process, the performance of the metal or alloy workpiece is changed with time.

When carrying out artifical ageing treatment in the ageing furnace, must strictly control heating temperature and heat preservation time, just can obtain more ideal intensive effect, most ageing furnaces on the market all adopt one end business turn over material at present, the afterbody is heated air circulation fan and firing equipment, when heating up, the furnace body is arranged in to the fan, do not form the circulation channel that ventilates, lead to the hot gas flow diffusion velocity slow, heat-conduction inhomogeneous, and simultaneously, current ageing furnace is in the use, the heat of firing equipment department does not utilize, lead to the heat utilization rate low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heated air circulation device for an MIM constant normal aging furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heated air circulation device for an MIM (metal-insulator-metal) constant-common aging furnace comprises a heat insulation pipe sleeved on the inner wall of the top of a furnace body, wherein an installation plate is sleeved on the inner wall of the bottom end of the heat insulation pipe, the outer wall of the top of the installation plate is connected with a combustion chamber through bolts, the installation plate is provided with ventilation openings distributed equidistantly on the outer wall around the combustion chamber, a gas conveying pipe is sleeved on the inner wall of one side of the combustion chamber, a mixing mechanism is arranged on the outer wall of one end of the top of the furnace body and comprises a treatment chamber, the treatment chamber is connected onto the outer wall of one end of the top of the furnace body through bolts, a gas pipe is sleeved on the inner wall of one side of the treatment chamber, a dust screen is sleeved on the inner wall of one end, close to the gas pipe, of the bottom of the treatment chamber, the inner wall of the end, far away from the gas pipe, is welded with a partition plate, a ventilation hole is formed on the outer wall of the top of one side of the partition plate, and a filter assembly is arranged between the dust screen and the partition plate, the filter component comprises two fixed plates, wherein the outer wall of one side, opposite to the two fixed plates, is sleeved with ventilation pipes which are distributed equidistantly, the inner wall of one end, close to the partition plate, of the top of the treatment bin is sleeved with an air inlet pipe, one end, located above the treatment bin, of the air inlet pipe is oppositely clamped and provided with a check valve, the inner wall, far away from the gas pipe, of the combustion bin is sleeved with an air inlet pipe, one end of the air inlet pipe is communicated with the inside of the furnace body, a first fixed pipe is welded on the inner wall, close to the air inlet pipe, of the top of the furnace body, a first fan is embedded on the inner wall of the first fixed pipe, a second fixed pipe is sleeved on the inner wall of the lower part of one side of the furnace body, a second fan is embedded on the inner wall of the second fixed pipe, an exhaust pipe is sleeved on the inner wall, close to the end of the second fixed pipe, the inner wall of the top end of the heat preservation pipe is sleeved with a sealing plate, and one end of the exhaust pipe is sleeved on the outer wall of the bottom of the sealing plate, and a third fan is embedded on the inner wall of the heat-insulating pipe below the sealing plate.

Preferably, gas-supply pipe one end extends to on the insulating tube one side outer wall, and the gas-supply pipe is located the outside one end of insulating tube and is linked together with processing the storehouse is inside, it has the opening to open on the outer wall of processing storehouse one side, and articulated on the inner wall of open-ended one side have a door, fixedly connected with sealing washer on the outer wall of door one side, and the welding has the handle on the door another side outer wall, has cup jointed the rubber circle on the handle outer wall.

Preferably, two the fixed plate overlap joint respectively on handling storehouse top and bottom inner wall, and two fixed plates form sliding fit with dust screen and baffle respectively.

Preferably, the outer wall of the vent pipe is provided with through holes distributed at equal intervals, and the vent pipe is filled with silica gel drying agent.

Preferably, the fixed block is welded on the outer wall of the upper part of one side of the furnace body, the exhaust pipe is sleeved on the outer wall of the top of the fixed block, the supporting plate is welded on the outer wall of one end of the top of the treatment bin, and the exhaust pipe is sleeved on the outer wall of one side of the supporting plate.

Preferably, the first fan, the second fan and the third fan are all connected with a switch through wires, and the switch is connected with a power line.

The utility model has the advantages that:

1. the gas pipe is connected to one end of the gas conveying pipeline, the gas enters the processing bin, is filtered by the dust screen and dried by the silica gel drying agent, and then is discharged from the through hole on the partition plate, the outside air is conveyed into the processing bin by the air inlet pipe, the air and the gas are mixed and then enter the combustion bin for combustion, so that the gas can be dedusted and dried, and meanwhile, the gas and the air can be mixed, so that the gas can be fully combusted, and the practicability is improved;

2. start first fan, second fan and third fan, inside the furnace body was carried with the outside heat of combustion bin to the third fan for heat on the combustion bin outer wall can utilize, in the furnace body was carried with the inside heat of combustion bin to first fan, in the air of second fan in with the furnace body was carried the heat preservation intraductal, heat when can make full use of gas burning had improved the heat utilization efficiency, had accelerated the inside programming rate of temperature of furnace body.

Drawings

FIG. 1 is a schematic view of a sectional structure of a heated air circulation device for an MIM constant temperature aging furnace;

FIG. 2 is a schematic view of a cross-sectional structure of a mixing mechanism of a heated air circulation device for an MIM constant normal aging furnace;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a sectional structure of a first fixed pipe of a hot air circulating device for an MIM constant aging furnace according to the present invention.

In the figure: the device comprises a furnace body 1, a heat preservation pipe 2, a mounting plate 3, a combustion chamber 4, a gas transmission pipe 5, a treatment chamber 6, a gas pipe 7, a dust screen 8, a partition plate 9, a fixing plate 10, a ventilation pipe 11, a silica gel drying agent 12, a gas inlet pipe 13, a gas inlet pipe 14, a first fixing pipe 15, a first fan 16, a second fixing pipe 17, a second fan 18, an exhaust pipe 19, a fixing block 20, a support plate 21, a sealing plate 22 and a third fan 23.

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.

Referring to fig. 1-4, a heated air circulation device for an MIM (metal-insulator-metal) constant-frequency aging furnace comprises a heat preservation pipe 2 sleeved on the inner wall of the top of a furnace body 1, wherein a mounting plate 3 is sleeved on the inner wall of the bottom end of the heat preservation pipe 2, the outer wall of the top of the mounting plate 3 is connected with a combustion chamber 4 through bolts, the outer wall of the mounting plate 3, which is positioned around the combustion chamber 4, is provided with air vents distributed at equal intervals, the inner wall of one side of the combustion chamber 4 is sleeved with an air pipe 5, the outer wall of one end of the top of the furnace body 1 is provided with a mixing mechanism, the mixing mechanism comprises a treatment chamber 6, the treatment chamber 6 is connected on the outer wall of one end of the top of the furnace body 1 through bolts, one end of the air pipe 5 extends to the outer wall of one side of the heat preservation pipe 2, one end of the air pipe 5, which is positioned outside the heat preservation pipe 2, is communicated with the interior of the treatment chamber 6, one side of the outer wall of the treatment chamber 6 is provided with an opening, and the inner wall of one side of the opening is hinged with a chamber door, the outer wall of one side of the bin gate is fixedly connected with a sealing ring, the outer wall of the other side of the bin gate is welded with a handle, the outer wall of the handle is sleeved with a rubber ring, the inner wall of one side of the processing bin 6 is sleeved with a gas pipe 7, the inner wall of one end, close to the gas pipe 7, of the bottom of the processing bin 6 is sleeved with a dust screen 8, the inner wall of one end, far away from the gas pipe 7, of the bottom of the processing bin 6 is welded with a partition plate 9, the outer wall of the top of one side of the partition plate 9 is provided with a ventilation hole, a filtering assembly is arranged between the dust screen 8 and the partition plate 9 and comprises two fixing plates 10, the two fixing plates 10 are respectively lapped on the inner wall of the top and the inner wall of the bottom of the processing bin 6, the two fixing plates 10 respectively form sliding fit with the dust screen 8 and the partition plate 9, the outer walls of the two fixing plates 10 on the opposite sides are sleeved with ventilation pipes 11 which are distributed at equal intervals, the ventilation pipes 11 are provided with through holes which are distributed at equal intervals, a silica gel drying agent 12 is filled in the ventilation pipe 11, an air inlet pipe 13 is sleeved on the inner wall of one end, close to the partition plate 9, of the top of the treatment bin 6, and a check valve is installed at one end, located above the treatment bin 6, of the air inlet pipe 13 in a clamping mode, so that dust removal and drying can be performed on gas, meanwhile, the gas and air can be mixed, the gas can be fully combusted, and the practicability is improved;

the combustion chamber 4 is connected with an air inlet pipe 14 on the inner wall of one side far away from the gas pipe 5, one end of the air inlet pipe 14 is communicated with the inside of the furnace body 1, a first fixed pipe 15 is welded on the inner wall of the top of the furnace body 1 close to the air inlet pipe 14, a first fan 16 is embedded on the inner wall of the first fixed pipe 15, a second fixed pipe 17 is connected with the inner wall of the lower part of one side of the furnace body 1 in a sleeved mode, a second fan 18 is embedded on the inner wall of the second fixed pipe 17, an exhaust pipe 19 is connected with the inner wall of one end of the furnace body 1 close to the second fixed pipe 17 in a sleeved mode, a fixed block 20 is welded on the outer wall of the upper part of one side of the furnace body 1, the exhaust pipe 19 is connected with the outer wall of the top of the fixed block 20 in a sleeved mode, a supporting plate 21 is welded on the outer wall of one end of the top of the processing chamber 6, the exhaust pipe 19 is connected with the outer wall of one side of the supporting plate 21 in a sleeved mode, a sealing plate 22 is connected with the inner wall of the top end of the heat preservation pipe 2, one end of the exhaust pipe 19 is sleeved on the outer wall of the bottom of the sealing plate 22, and the third fan 23 is embedded on the inner wall of the heat preservation pipe 2 below the sealing plate 22, so that the heat generated during combustion of fuel gas can be fully utilized, the heat utilization rate is improved, and the temperature rise speed in the furnace body 1 is accelerated;

the first fan 16, the second fan 18 and the third fan 23 are all connected with switches through wires, and the switches are connected with power lines.

The working principle is as follows: insert gas pipe 7 into gas pipeline's one end, the gas enters into in the processing storehouse 6, after dust and silica gel drier 12 drying are filtered to dustproof mesh 8, discharge from the through-hole on the baffle 9, the intake pipe 14 carries outside air in the processing storehouse 6, the air enters into the burning storehouse 4 after mixing with the gas and burns, start first fan 16, second fan 18 and third fan 23, third fan 23 carries the furnace body 1 inside with the outside heat in burning storehouse 4, make the heat on the 4 outer walls of burning storehouse can utilize, first fan 16 carries the furnace body 1 with the inside heat in burning storehouse 4 in, second fan 18 carries the insulating tube 2 with the air in the furnace body 1 in.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A heated air circulation device for an MIM (metal-insulator-metal) constant-common aging furnace comprises a heat insulation pipe (2) sleeved on the inner wall of the top of a furnace body (1), and is characterized in that a mounting plate (3) is sleeved on the inner wall of the bottom end of the heat insulation pipe (2), a combustion chamber (4) is connected to the outer wall of the top of the mounting plate (3) through bolts, air vents distributed at equal intervals are formed in the outer wall of the periphery of the combustion chamber (4) of the mounting plate (3), air pipes (5) are sleeved on the inner wall of one side of the combustion chamber (4), a mixing mechanism is arranged on the outer wall of one end of the top of the furnace body (1), the mixing mechanism comprises a treatment chamber (6), the treatment chamber (6) is connected to the outer wall of one end of the top of the furnace body (1) through bolts, a gas pipe (7) is sleeved on the inner wall of one side of the treatment chamber (6), a dustproof net (8) is sleeved on the inner wall of one end of the bottom of the treatment chamber (6) close to the gas pipe (7), the gas pipe furnace is characterized in that a partition plate (9) is welded on the inner wall of one end, far away from a gas pipe (7), of the bottom of the treatment bin (6), a ventilation hole is formed in the outer wall of the top of one side of the partition plate (9), a filtering assembly is arranged between the dustproof net (8) and the partition plate (9) and comprises two fixing plates (10), ventilation pipes (11) distributed equidistantly are sleeved on the outer wall of one side, opposite to the fixing plates (10), of the top of the treatment bin (6), an air inlet pipe (13) is sleeved on the inner wall of one end, near the partition plate (9), of the top of the treatment bin (6), a check valve is installed at one end, located above the treatment bin (6), of the air inlet pipe (13) in a butt clamping mode, an air inlet pipe (14) is sleeved on the inner wall of one side, far away from a gas pipe (5), of the combustion bin (4), one end of the air inlet pipe (14) is communicated with the interior of the furnace body (1), a first fixing pipe (15) is welded on the inner wall, near the top of the air inlet pipe (14), inlay on first fixed pipe (15) inner wall and be equipped with first fan (16), the fixed pipe of second (17) has been cup jointed on the lower part inner wall of furnace body (1) one side, inlay on the fixed pipe of second (17) inner wall and be equipped with second fan (18), exhaust pipe (19) have been cup jointed on the one end inner wall that furnace body (1) is close to the fixed pipe of second (17), pipe (2) top inner wall has been cup jointed closing plate (22), and exhaust pipe (19) one end cup joints on closing plate (22) bottom outer wall, pipe (2) are located and are inlayed on the inner wall of closing plate (22) below and are equipped with third fan (23).

2. The hot air circulation device for the MIM (metal-insulator-metal) constant-normal aging furnace as claimed in claim 1, wherein one end of the air pipe (5) extends to the outer wall of one side of the heat preservation pipe (2), and the end of the air pipe (5) located outside the heat preservation pipe (2) is communicated with the inside of the treatment bin (6), an opening is formed in the outer wall of one side of the treatment bin (6), a bin gate is hinged to the inner wall of one side of the opening, a sealing ring is fixedly connected to the outer wall of one side of the bin gate, a handle is welded to the outer wall of the other side of the bin gate, and a rubber ring is sleeved on the outer wall of the handle.

3. The hot air circulating device for the MIM constant-common aging furnace is characterized in that the two fixing plates (10) are respectively lapped on the inner walls of the top and the bottom of the treatment bin (6), and the two fixing plates (10) are respectively in sliding fit with the dust screen (8) and the partition plate (9).

4. The hot air circulation device for the MIM constant-common aging furnace according to claim 1, characterized in that the outer wall of the ventilation pipe (11) is provided with through holes distributed at equal intervals, and the ventilation pipe (11) is filled with silica gel desiccant (12).

5. The hot air circulation device for the MIM constant-common aging furnace according to claim 1, wherein the outer wall of the upper part of one side of the furnace body (1) is welded with a fixing block (20), an exhaust pipe (19) is sleeved on the outer wall of the top of the fixing block (20), the outer wall of one end of the top of the treatment bin (6) is welded with a support plate (21), and the exhaust pipe (19) is sleeved on the outer wall of one side of the support plate (21).

6. The hot air circulation device for the MIM constant-normal aging oven according to claim 1, wherein the first fan (16), the second fan (18) and the third fan (23) are all connected with switches through wires, and the switches are connected with power lines.

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