CN209338639U - A kind of vacuum pulse precision well formula gas nitriding furnace - Google Patents

Abstract

The utility model discloses a kind of vacuum pulse precision well formula gas nitriding furnaces, including furnace shell, bottom end inside the furnace shell is provided with refractory brick, the inner wall of the furnace shell is provided with the first heat-preservation cotton, the inner wall of first heat-preservation cotton is provided with heating rod, and the heating rod is internally provided with furnace body, and the bottom end of the furnace interior is provided with support rod, it is provided with workbench at the top of the support rod, is provided with bell at the top of the furnace shell.The utility model drives first rotating shaft rotation by dual-axle motor, to drive the rotation of the second shaft, to drive flabellum to rotate, come into full contact with the intracorporal ammonia atom of furnace with workpiece, so that the effect for nitrogenizing workpiece is more preferable, to improve the service life of workpiece, exhaust gas in nitriding furnace is discharged and collects by sewage pipe, and so as to avoid uncapping, discharge impacts environment, sealing of the sealing plate being arranged by bell bottom to furnace body, nitriding furnace is set to be in vacuum state, to reduce security risk.

Description

A kind of vacuum pulse precision well formula gas nitriding furnace

Technical field

The utility model relates to gas nitriding technical field, specially a kind of vacuum pulse precision well formula gas nitriding furnace.

Background technique

Nitrogen is austenite stabilizer element and has a function of delaying Carbide Precipitation, it can be improved the intensity of steel and anti-corrosion Property, it is considered making one of new material for most having research and development to be worth.

Currently, existing well formula gas nitriding furnace is since in-furnace temperature cannot reach normal temperature, thermal energy is easy to be lost, from And cannot make workpiece that nitridation reaction occur with ammonia well, to keep workpiece nitration case relatively thin, reduce workpiece uses the longevity Life, and current nitriding furnace, when carrying out nitriding reaction, the comparison of the intracorporal ammonia atomic motion of furnace is slow, to cannot make work Part nitrogenizes very abundant, due to the airtightness of nitriding furnace, after nitridation reaction, and because that can not be collected to residual gas, To making the gas in furnace cannot exclude, using effect is bad, if the entrance in furnace is poorly sealed, be also easy to make nitrogen and Open fire is in contact, and causes to explode, security risk is big.

Utility model content

The purpose of this utility model is to provide a kind of vacuum pulse precision well formula gas nitriding furnaces, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of vacuum pulse precision well formula the GN 2 Change furnace, including furnace shell, the bottom end inside the furnace shell is provided with refractory brick, and the inner wall of the furnace shell is provided with the first heat-preservation cotton, The inner wall of first heat-preservation cotton is provided with heating rod, and the heating rod is internally provided with furnace body, the bottom of the furnace interior End is provided with support rod, and workbench is provided at the top of the support rod, bell, the bell are provided at the top of the furnace shell Bottom be provided with the second heat-preservation cotton, sealing plate is arranged in the bottom of second heat-preservation cotton, and the two sides at the top of the bell are all set It is equipped with the minim pipette for being through to furnace interior top, the side of the furnace shell is provided with protective cover, the interposition of the protective cover The place of setting is equipped with dual-axle motor, and the output end of the dual-axle motor is all provided with first rotating shaft, and the first rotating shaft is far from twin shaft One end of motor is all provided with the first angular wheel, and first angular wheel is all provided with far from one end of dual-axle motor to be run through To the second shaft of furnace interior side, it is sliding that the two sides of the furnace shell are all uniformly equipped with plurality of electromagnetic far from one end of protective cover Rail, the electromagnetism sliding rail are all equipped with electric lifting rod, the top setting of electric lifting rod described in two groups far from the side of furnace shell There is support plate.

Preferably, the side of second shaft is all provided with the second angular wheel, and second shaft is far from the second cone The side of shape gear is all provided with flabellum, and second angular wheel and the first angular wheel are intermeshed, and the second conical tooth The angle of wheel and the first angular wheel is in 90 °.

Preferably, the fixing clamp is all provided with sliding with the mutually matched electromagnetism of electromagnetism sliding rail close to the side of electromagnetism sliding rail Block, the electric lifting rod are slidably connected by the mutual cooperation of electromagnetism sliding rail and electromagnetism sliding block with furnace shell.

Preferably, the outside of the electric lifting rod is all evenly arranged with multiple groups fixing clamp, and the number of fixing clamp is three Group, the electric lifting rod are detachably connected by fixing clamp and furnace shell.

Preferably, the furnace shell is provided with the sewage pipe for being through to furnace interior bottom end far from the bottom of protective cover side, Valve is all provided on the minim pipette and sewage pipe.

Preferably, the section of the furnace shell, refractory brick, the first heat-preservation cotton and furnace body is all in U-typed structure.

Compared with prior art, the utility model has the beneficial effects that the utility model by heating rod in furnace body into Row heating, increases the temperature of furnace interior, by refractory brick and the first heat-preservation cotton to the insulation effect of furnace body, keeps furnace intracorporal Temperature tends towards stability, and makes workpiece that nitridation reaction preferably occur, to increase the nitration case of workpiece, is driven by dual-axle motor First rotating shaft rotation, so that flabellum be driven to rotate, by the rotation of flabellum, keeps furnace intracorporal to drive the rotation of the second shaft Ammonia atom comes into full contact with workpiece, so that the effect for nitrogenizing workpiece is more preferable, to improve the service life of workpiece, sewage pipe Exhaust gas in nitriding furnace is discharged and is collected, discharge impacts environment so as to avoid uncapping, and is arranged by bell bottom Sealing of the sealing plate to furnace body makes nitriding furnace be in vacuum state, to reduce security risk.

Detailed description of the invention

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

Fig. 2 is the side view of the utility model；

Fig. 3 is the local structural graph of the utility model；

Fig. 4 is the enlarged drawing of the utility model A.

In figure: 1, furnace shell；2, refractory brick；3, the first heat-preservation cotton；4, heating rod；5, furnace body；6, support rod；7, workbench； 8, sewage pipe；9, protective cover；901, dual-axle motor；902, first rotating shaft；903, the first angular wheel；904, the second shaft； 905, the second angular wheel；10, electromagnetism sliding rail；11, fixing clamp；12, electric lifting rod；13, support plate；14, minim pipette；15, Second heat-preservation cotton；16, sealing plate；17, bell.

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. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of vacuum pulse precision well formula gas nitriding Furnace, including furnace shell 1, the bottom end inside furnace shell 1 are provided with refractory brick 2, and the inner wall of furnace shell 1 is provided with the first heat-preservation cotton 3, and first protects The inner wall of warm cotton 3 is provided with heating rod 4, and heating rod 4 is internally provided with furnace body 5, and the bottom end inside furnace body 5 is provided with support rod 6, the top of support rod 6 is provided with workbench 7, and the top of furnace shell 1 is provided with bell 17, and the bottom of bell 17 is provided with the second guarantor Sealing plate 16 is arranged in warm cotton 15, the bottom of the second heat-preservation cotton 15, and the two sides at 17 top of bell, which are all provided with, to be through to inside furnace body 5 The minim pipette 14 on top, the side of furnace shell 1 are provided with protective cover 9, and the middle position of protective cover 9 is equipped with dual-axle motor 901, The output end of dual-axle motor 901 is all provided with first rotating shaft 902, and the one end of first rotating shaft 902 far from dual-axle motor 901 is all arranged There is the first angular wheel 903, first one end of angular wheel 903 far from dual-axle motor 901, which is all provided with, to be through to inside furnace body 5 The two sides of second shaft 904 of side, furnace shell 1 are all uniformly equipped with 10 (model of plurality of electromagnetic sliding rail far from one end of protective cover 9 For ECP-RN-SI-104W-09ZH-1600L-5B), side of the electromagnetism sliding rail 10 far from furnace shell 1 is all equipped with electric lifting rod 12 (model GRA-LSO), the top of two groups of electric lifting rods 12 are provided with support plate 13.

The utility model increases the temperature of furnace interior by heating rod 4 by the heating rod 4 being arranged inside furnace shell 1, To make ammonia decompose, 901 band logical first rotating shaft 902 of dual-axle motor is driven, to drive the rotation of the first angular wheel 903, is led to The intermeshing of the first angular wheel 903 and the second angular wheel 905 is crossed, so that the rotation of the second shaft 904 is driven, to drive The flabellum of second shaft, 904 bottom rotates, and keeps the workpiece nitriding result inside furnace body 4 more preferable, nitridation reaction is more abundant, makes to nitrogenize Workpiece quality afterwards is higher, and the height of bell 17 is adjusted by the electric lifting rod 12 that 1 two sides of furnace shell are arranged, makes the behaviour of nitriding furnace Make more laborsaving.

Attached drawing 1 please be considered and examined emphatically, the side of the second shaft 904 is all provided with the second angular wheel 905, the second shaft 904 Side far from the second angular wheel 905 is all provided with flabellum, and the second angular wheel 905 is mutually nibbled with the first angular wheel 903 It closes, and the angle of the second angular wheel 905 and the first angular wheel 903 is in 90 °.

This kind of vacuum pulse precision well formula gas nitriding furnace passes through the second angular wheel that 904 side of the second shaft is arranged 905, by the intermeshing of the first angular wheel 903 and the second angular wheel 905, to make the rotation of the second shaft 904 more It is laborsaving.

Attached drawing 1 please be considered and examined emphatically, and fixing clamp 11 is all provided with mutual with electromagnetism sliding rail 10 close to the side of electromagnetism sliding rail 10 The electromagnetism sliding block of cooperation, electric lifting rod 12 are slidably connected by the mutual cooperation of electromagnetism sliding rail 10 and electromagnetism sliding block with furnace shell 1.

This kind of vacuum pulse precision well formula gas nitriding furnace passes through the electromagnetism sliding rail 10 that 1 two sides of furnace shell are arranged, and passes through fixation The electromagnetism sliding block for pressing from both sides the setting of 11 sides makes the sliding of electric lifting rod 12 under the cooperation of electromagnetism sliding rail 10 and electromagnetism sliding block It is more laborsaving.

Attached drawing 1 please be considered and examined emphatically, the outside of electric lifting rod 12 is all evenly arranged with multiple groups fixing clamp 11, and fixing clamp 11 Number be three groups, electric lifting rod 12 is detachably connected by fixing clamp 11 with furnace shell 1.

This kind of vacuum pulse precision well formula gas nitriding furnace makes furnace by the fixing clamp 11 being arranged on the outside of electric lifting rod 12 Shell 1 is fixedly connected by fixing clamp 11 with electric lifting rod 12, to make the fixed effect of electric lifting rod 12 and furnace shell 1 more It is good.

Attached drawing 1 please be considered and examined emphatically, furnace shell 1 is provided with far from the bottom of 9 side of protective cover and is through to 5 inner bottom of furnace body Valve is all provided on sewage pipe 8, minim pipette 14 and sewage pipe 8.

This kind of vacuum pulse precision well formula gas nitriding furnace is by the valve that is arranged on minim pipette 14, by controlled valve, To control the flow of gas importing, by the valve being arranged on sewage pipe 8, to keep the residual gas inside furnace body 5 fine Be collected, to avoid pollution environment.

Please consider and examine attached drawing 1 emphatically, furnace shell 1, refractory brick 2, the first heat-preservation cotton 3 and furnace body 5 section be all in U-typed structure.

This kind of vacuum pulse precision well formula gas nitriding furnace passes through furnace shell 1, the refractory brick 2, the first heat-preservation cotton of U-typed structure 3 and furnace body 5, make the heating effect of furnace body 5 can be more preferable.

Working principle: in use, powering on, workpiece is placed on the table, in electromagnetism sliding rail 10 and electromagnetism sliding block Mutual cooperation under make bell transverse shifting, then by electric lifting rod 12 by support plate 6 adjust arrive certain altitude, to adjust The height for saving bell 17, closes bell 17 and furnace body 6, heating rod 4 is started by peripheral control unit, when heating rod 4 makes furnace body 5 After interior temperature is heated to temperature required for workpiece nitrogenizes, the valve on minim pipette 14 is opened, ammonia is imported into furnace body 5 Inside, the temperature by furnace 4 decompose ammonia, drive first rotating shaft 902 to rotate by dual-axle motor 901, pass through the first cone The intermeshing of shape gear 903 and the second angular wheel 905, so that the rotation of the second shaft 904 is driven, to drive fan blade rotating It is dynamic, by driving flabellum rotation, make the air-flow inside furnace body 4 that ammonia atom be driven to come into full contact with workpiece, to make the nitrogen of workpiece It is more preferable to change effect, after nitridation reaction, opens the valve on sewage pipe 8, the residual gas in furnace body 4 is collected.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of vacuum pulse precision well formula gas nitriding furnace, including furnace shell (1) and fixing clamp (11), it is characterised in that: described The internal bottom end of furnace shell (1) is provided with refractory brick (2), and the inner wall of the furnace shell (1) is provided with the first heat-preservation cotton (3), and described the The inner wall of one heat-preservation cotton (3) is provided with heating rod (4), and the heating rod (4) is internally provided with furnace body (5), the furnace body (5) Internal bottom end is provided with support rod (6), is provided with workbench (7) at the top of the support rod (6), the top of the furnace shell (1) Portion is provided with bell (17), and the bottom of the bell (17) is provided with the second heat-preservation cotton (15), second heat-preservation cotton (15) Sealing plate (16) are arranged in bottom, and the two sides at the top of the bell (17) are all provided with the dropping liquid for being through to furnace body (5) inner tip It manages (14), the side of the furnace shell (1) is provided with protective cover (9), and the middle position of the protective cover (9) is equipped with twin shaft electricity The output end of machine (901), the dual-axle motor (901) is all provided with first rotating shaft (902), and the first rotating shaft (902) is separate One end of dual-axle motor (901) is all provided with the first angular wheel (903), and first angular wheel (903) is far from twin shaft electricity One end of machine (901) is all provided with the second shaft (904) for being through to furnace body (5) interior side, and the two sides of the furnace shell (1) are remote One end from protective cover (9) is all uniformly equipped with plurality of electromagnetic sliding rail (10), and the one of the electromagnetism sliding rail (10) separate furnace shell (1) Side is all equipped with electric lifting rod (12), and support plate (13) are provided at the top of electric lifting rod described in two groups (12).

2. a kind of vacuum pulse precision well formula gas nitriding furnace according to claim 1, it is characterised in that: described second turn The side of axis (904) is all provided with the second angular wheel (905), and second shaft (904) is far from the second angular wheel (905) Side be all provided with flabellum, second angular wheel (905) and the first angular wheel (903) are intermeshed, and the second cone The angle of shape gear (905) and the first angular wheel (903) is in 90 °.

3. a kind of vacuum pulse precision well formula gas nitriding furnace according to claim 1, it is characterised in that: the fixing clamp (11) side close to electromagnetism sliding rail (10) is all provided with and the mutually matched electromagnetism sliding block of electromagnetism sliding rail (10), the electronic liter Drop bar (12) is slidably connected by the mutual cooperation of electromagnetism sliding rail (10) and electromagnetism sliding block with furnace shell (1).

4. a kind of vacuum pulse precision well formula gas nitriding furnace according to claim 1, it is characterised in that: the electronic liter The outside of drop bar (12) is all evenly arranged with multiple groups fixing clamp (11), and the number of fixing clamp (11) is three groups, the electronic liter Drop bar (12) is detachably connected by fixing clamp (11) with furnace shell (1).

5. a kind of vacuum pulse precision well formula gas nitriding furnace according to claim 1, it is characterised in that: the furnace shell (1) bottom far from protective cover (9) side is provided with the sewage pipe (8) for being through to furnace body (5) inner bottom, the minim pipette (14) and on sewage pipe (8) all it is provided with valve.

6. a kind of vacuum pulse precision well formula gas nitriding furnace according to claim 1, it is characterised in that: the furnace shell (1), the section of refractory brick (2), the first heat-preservation cotton (3) and furnace body (5) is all in U-typed structure.