CN212864932U

CN212864932U - High-temperature carburizing heat treatment device

Info

Publication number: CN212864932U
Application number: CN202021741087.5U
Authority: CN
Inventors: 刘敏旭
Original assignee: Jilin Xinda Iron and Steel Co Ltd
Current assignee: Jilin Xinda Iron and Steel Co Ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-02
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a high temperature carburization heat treatment device relates to metal carburization processing technology field. Including carburization chamber, quenching chamber and sealed lid, the carburization chamber sets up the one deck carburization inner wall all around, and the outside parcel one deck heat preservation of carburization inner wall, the inside heating member that is provided with of carburization inner wall, carburization chamber top is connected with sealed lid through coupling mechanism, and extraction opening and carbon source entry have been seted up at sealed lid top, and carburization chamber bottom is linked together through elevating system with the quenching chamber, and elevating system is including setting up in the third telescopic link that the baffler of carburization chamber bottom, baffler below are connected and the connecting plate of being connected with quenching chamber lateral wall, and quenching chamber bottom sets up the quenching liquid. The utility model overcomes prior art's is not enough, reasonable in design, and convenient to use, effective quick quenching treatment to the part after the carburization promotes production efficiency.

Description

High-temperature carburizing heat treatment device

Technical Field

The utility model relates to a metal carburization processing technology field especially relates to a high temperature carburization heat treatment device.

Background

Carburization refers to the process of infiltrating carbon atoms into the surface layer of the steel. The low-carbon steel workpiece is also provided with a surface layer of high-carbon steel, and then the surface layer of the workpiece is subjected to quenching and low-temperature tempering to have high hardness and wear resistance, while the central part of the workpiece still maintains the toughness and plasticity of the low-carbon steel.

Generally, a carburizing furnace is mostly adopted for processing when metal parts are carburized at high temperature, the parts need to be taken out and quenched after being carburized in a traditional carburizing furnace, and the carburizing and quenching processes do not have good continuity, so that great troubles are brought to workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the carburizing furnace can not carry out continuous quenching treatment after carburizing in the prior art, and providing a high-temperature carburizing heat treatment device.

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

a high-temperature carburizing heat treatment device comprises a carburizing cavity, a quenching cavity and a sealing cover, wherein a carburizing inner wall is arranged on the periphery of the carburizing cavity, a heat preservation layer is wrapped on the outer portion of the carburizing inner wall, a plurality of heating elements are arranged in the carburizing inner wall, the upper portion of the carburizing cavity is connected with the sealing cover through a connecting mechanism, the connecting mechanism comprises an inserting groove arranged at the upper end of the carburizing inner wall and an inserting strip arranged at the lower end of the side wall of the sealing cover, the inserting strip is inserted into the inserting groove to be matched with the inserting groove, an air suction opening is formed in one end of the top of the sealing cover to be communicated with an external vacuum pump, a carbon source inlet is formed in the other end of the top of the sealing cover, the bottom of the carburizing cavity is communicated with the quenching cavity through a lifting mechanism, the lifting mechanism comprises a blocking plate arranged at the bottom of the carburizing, the fixed third cylinder that is provided with in connecting plate upper end, and the third cylinder is connected with the third telescopic link, and third telescopic link upside fixedly connected with fixed plate, fixed plate both sides lower extreme symmetry is provided with the second cylinder, and the second telescopic link of second cylinder and fixed plate upper end is connected, second telescopic link and third telescopic link upper end all are rotated with the bottom of baffler and are connected, the connecting plate left side forms the breach with the quenching chamber lateral wall, and the quenching chamber bottom sets up the quenching liquid, and quenching chamber bottom one side is provided with the liquid outlet, and the quenching chamber is provided with on the left side lateral wall that is located the quenching liquid level top and gets the material mouthful.

Preferably, be provided with a plurality of stabilizing mean on the lateral wall between quenching chamber and the carburization chamber, stabilizing mean is including setting up in the protective housing of carburization inner wall and heat preservation below, and the protective housing is located quenching chamber lateral wall top, the inside first cylinder that is provided with of protective housing is connected through first telescopic link between first cylinder and the limiting plate, and the limiting plate passes protective housing and baffler bottom sliding connection.

Preferably, carburization chamber lateral wall upper end is provided with the round guard plate, and sealed lid lower extreme lateral wall installs inside the guard plate, and sealed side upper end of covering is provided with the connecting rod, and the guard plate outside is provided with down the connecting rod, and rotates on the connecting rod down and connect the lantern ring, and lantern ring one end and last connecting rod buckle are connected.

Preferably, a plurality of rollers are arranged on the inner side of the protection plate and are in sliding connection with the side edge of the sealing cover.

Preferably, the upper end of the center of the top of the sealing cover is provided with a motor, and an output shaft of the motor is connected with a heat exchange fan at the lower end of the sealing cover.

Preferably, two air vents are formed in the top of the sealing cover.

Compared with the prior art, the utility model provides a high temperature carburization heat treatment device possesses following beneficial effect:

1. through the arrangement of the carburizing cavity, the carburizing inner wall, the motor, the air vent, the air exhaust port, the vacuum pump, the connecting mechanism, the heating element, the carbon source inlet and the heat insulation layer, the heating and carburizing treatment can be effectively carried out on the parts in the carburizing cavity, and meanwhile, the heat in the carburizing cavity can be effectively and uniformly distributed through the heat exchange fan, so that the heating uniformity of the carburizing is improved;

2. through the arrangement of the second telescopic rod, the barrier plate, the fixing plate, the connecting plate, the second cylinder, the third telescopic rod and the third cylinder in the lifting mechanism, the quenched part can be effectively placed in quenching, and the carburizing and quenching continuity is realized.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model relates to a rationally, convenient to use, effective quick part to after the carburization quenches and handles, promotes production efficiency.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

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

FIG. 3 is a schematic view of the structure of the stabilizing mechanism of the present invention;

fig. 4 is a schematic view of the lifting mechanism of the present invention.

In the figure: 1 carburizing chamber, 2 quenching chamber, 3 carburizing inner wall, 4 sealed lids, 5 motors, 6 heat exchange fans, 7 air vents, 8 extraction openings, 9 vacuum pumps, 10 connecting mechanisms, 11 heating elements, 12 carbon source inlets, 13 heat preservation layers, 14 stabilizing mechanisms, 15 lifting mechanisms, 16 quenching liquid, 17 liquid outlets, 18 material taking openings, 19 inserts, 20 protection plates, 21 lower connecting rods, 22 upper connecting rods, 23 lantern rings, 24 rollers, 25 slots, 26 protection boxes, 27 limiting plates, 28 first cylinders, 29 first telescopic rods, 30 second telescopic rods, 31 baffle plates, 32 fixing plates, 33 connecting plates, 34 second cylinders, 35 third telescopic rods and 36 third cylinders.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Example (b):

referring to fig. 1-4, a high-temperature carburizing heat treatment device comprises a carburizing chamber 1, a quenching chamber 2 and a sealing cover 4, wherein a carburizing inner wall 3 is arranged around the carburizing chamber 1, a heat insulating layer 13 is wrapped outside the carburizing inner wall 3, a plurality of heating elements 11 are arranged inside the carburizing inner wall 3, the upper part of the carburizing chamber 1 is connected with the sealing cover 4 through a connecting mechanism 10, the connecting mechanism 10 comprises a slot 25 arranged at the upper end of the carburizing inner wall 3 and a cutting 19 arranged at the lower end of the side wall of the sealing cover 4, the cutting 19 is inserted into the slot 25 to be matched with the slot 25, an air suction opening 8 is arranged at one end of the top of the sealing cover 4 and communicated with an external vacuum pump 9, a carbon source inlet 12 is arranged at the other end of the top of the sealing cover 4, the bottom of the carburizing chamber 1 is communicated with the quenching chamber 2 through a lifting, Third telescopic link 35 and the connecting plate 33 of being connected with 2 lateral walls in quenching chamber that separation plate 31 below is connected, separation plate 31 and carburization chamber 1 lateral wall sliding connection, the fixed third cylinder 36 that is provided with in connecting plate 33 upper end, and third cylinder 36 is connected with third telescopic link 35, and third telescopic link 35 upside fixedly connected with fixed plate 32, fixed plate 32 both sides lower extreme symmetry is provided with second cylinder 34, and second cylinder 34 is connected with the second telescopic link 30 of fixed plate 32 upper end, second telescopic link 30 and third telescopic link 35 upper end all are rotated with separation plate 31's bottom and are connected, connecting plate 33 left side and 2 lateral walls in quenching chamber form the breach, and set up 16 quenching liquid in quenching chamber 2 bottom, and 2 bottom in quenching chamber one side is provided with liquid outlet 17, and the quenching chamber 2 is located and is provided with on the left side lateral wall of 16 liquid level tops in quenching liquid and gets material mouthful 18.

In order to prevent that separation plate 31 from gliding, it is preferred, be provided with a plurality of stabilizing mean 14 on the lateral wall between quenching chamber 2 and the carburization chamber 1, stabilizing mean 14 is including setting up in protective housing 26 of carburization inner wall 3 and heat preservation 13 below, and protective housing 26 is located quenching chamber 2 lateral wall top, the inside first cylinder 28 that is provided with of protective housing 26 is connected through first telescopic link 29 between first cylinder 28 and the limiting plate 27, and limiting plate 27 passes protective housing 26 and separation plate 31 bottom sliding connection.

In order to promote the compactness of carburization chamber 1 and the installation of sealed lid 4, it is preferred, carburization chamber 1 lateral wall upper end is provided with round guard plate 20, and inside sealed lid 4 lower extreme lateral wall installed in guard plate 20, and sealed lid 4 side upper end is provided with connecting rod 22, and guard plate 20 outside is provided with down connecting rod 21, just rotates on the lower connecting rod 21 and connects the lantern ring 23, and lantern ring 23 one end and last connecting rod 22 buckle connection.

In order to improve the smoothness of the installation and removal of the sealing cover 4, it is preferable that a plurality of rollers 24 are provided inside the shielding plate 20, and the rollers 24 are slidably coupled to the side of the sealing cover 4.

In order to facilitate uniform treatment of the hot air in the carburizing chamber 1, preferably, the upper end of the center of the top of the sealing cover 4 is provided with a motor 5, and an output shaft of the motor 5 is connected with a heat exchange fan 6 at the lower end of the sealing cover 4.

In order to facilitate the heat dissipation of the carburizing chamber 1 and the discharge of the redundant carbon source substances, preferably, two air vents 7 are formed at the top of the sealing cover 4.

The working principle is as follows: when the device is used, the sealing cover 4 is opened, a part to be carburized is placed on the separation plate 31 in the carburization cavity 1, the sealing cover 4 is installed by the connecting mechanism 10, the vacuum pump 9 is started to set the carburization cavity 1 to be in a vacuum environment, then a carbon source is injected into the carburization cavity 1 through the carbon source inlet 12, then the heating element 11 is started to heat the carburization cavity 1, meanwhile, the heat exchange fan 6 uniformly mixes hot air and the carbon source in the carburization cavity 1 through the starting motor 5, the carburization efficiency is improved, the heating element 11 is closed after carburization is finished, the first air cylinder 28 is closed, the third air cylinder 36 and the left second air cylinder 34 are closed, the part subjected to Sensen-deigno quenching is inclined to fall into the quenching liquid 16 at the bottom of the quenching cavity 2, meanwhile, the air vent 7 and the vacuum pump 9 are opened to pump out redundant carbon sources in the carburiz.

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

1. A high-temperature carburization heat treatment device comprises a carburization cavity (1), a quenching cavity (2) and a sealing cover (4), and is characterized in that a layer of carburization inner wall (3) is arranged on the periphery of the carburization cavity (1), a layer of heat preservation layer (13) is wrapped outside the carburization inner wall (3), a plurality of heating elements (11) are arranged inside the carburization inner wall (3), the upper portion of the carburization cavity (1) is connected with the sealing cover (4) through a connecting mechanism (10), the connecting mechanism (10) comprises a slot (25) formed in the upper end of the carburization inner wall (3) and an insert strip (19) formed at the lower end of the side wall of the sealing cover (4), the insert strip (19) is inserted into the slot (25) to be matched with the slot (25), an air suction opening (8) is formed in one end of the top of the sealing cover (4) and communicated with an external vacuum pump, the bottom of the carburizing cavity (1) is communicated with the quenching cavity (2) through a lifting mechanism (15), the lifting mechanism (15) comprises a separation plate (31) arranged at the bottom of the carburizing cavity (1), a third telescopic rod (35) connected below the separation plate (31) and a connecting plate (33) connected with the side wall of the quenching cavity (2), the separation plate (31) is in sliding connection with the side wall of the carburizing cavity (1), a third cylinder (36) is fixedly arranged at the upper end of the connecting plate (33), the third cylinder (36) is connected with the third telescopic rod (35), a fixing plate (32) is fixedly connected with the upper side of the third telescopic rod (35), second cylinders (34) are symmetrically arranged at the lower ends of the two sides of the fixing plate (32), the second cylinders (34) are connected with second telescopic rods (30) at the upper end of the fixing plate (32), the upper ends of the second telescopic rods (30) and the third telescopic rods (35) are rotatably connected with the bottom of the separation plate (31), connecting plate (33) left side and quenching chamber (2) lateral wall form the breach, and quenching chamber (2) bottom sets up quenching liquid (16), and quenching chamber (2) bottom one side is provided with liquid outlet (17), and quenching chamber (2) are located and are provided with on the lateral wall of the left side of quenching liquid (16) liquid level top and get material mouthful (18).

2. The high-temperature carburizing heat treatment device according to claim 1, wherein a plurality of stabilizing mechanisms (14) are arranged on the side wall between the quenching chamber (2) and the carburizing chamber (1), each stabilizing mechanism (14) comprises a protective box (26) arranged below the carburizing inner wall (3) and the heat insulating layer (13), the protective box (26) is arranged above the side wall of the quenching chamber (2), a first cylinder (28) is arranged inside the protective box (26), the first cylinder (28) is connected with the limiting plate (27) through a first telescopic rod (29), and the limiting plate (27) penetrates through the protective box (26) to be slidably connected with the bottom of the blocking plate (31).

3. The high-temperature carburizing heat treatment device according to claim 1, wherein a ring of protection plate (20) is arranged at the upper end of the side wall of the carburizing chamber (1), the side wall of the lower end of the sealing cover (4) is arranged inside the protection plate (20), the upper end of the side edge of the sealing cover (4) is provided with an upper connecting rod (22), the protection plate (20) is externally provided with a lower connecting rod (21), the lower connecting rod (21) is rotatably connected with a lantern ring (23), and one end of the lantern ring (23) is in snap connection with the upper connecting rod (22).

4. A high temperature carburization heat treatment apparatus according to claim 3, characterized in that a plurality of rollers (24) are provided inside said shield plate (20), and said rollers (24) are slidably connected to the side edges of said seal cover (4).

5. A high temperature carburization heat treatment apparatus according to claim 1, characterized in that a motor (5) is provided at the top center upper end of the sealing cover (4), and the output shaft of the motor (5) is connected with a heat exchange fan (6) at the lower end of the sealing cover (4).

6. A high temperature carburization heat treatment apparatus according to claim 1, characterized in that two air vents (7) are opened at the top of the sealing cover (4).