CN114990472A - Gas inlet and outlet equipment of gas nitriding furnace - Google Patents
Gas inlet and outlet equipment of gas nitriding furnace Download PDFInfo
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- CN114990472A CN114990472A CN202210741243.5A CN202210741243A CN114990472A CN 114990472 A CN114990472 A CN 114990472A CN 202210741243 A CN202210741243 A CN 202210741243A CN 114990472 A CN114990472 A CN 114990472A
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- nitriding furnace
- fixed
- gas
- pipe
- plate
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- 238000005121 nitriding Methods 0.000 title claims abstract description 143
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000001816 cooling Methods 0.000 claims description 17
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 33
- 230000009471 action Effects 0.000 description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 239000008399 tap water Substances 0.000 description 6
- 235000020679 tap water Nutrition 0.000 description 6
- 230000009467 reduction Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses gas inlet and outlet equipment of a gas nitriding furnace, which comprises a storage box, a nitriding furnace inner container, an ammonia gas storage box, an exhaust pipe and a control box, wherein a limiting clamping assembly is fixed on the upper side of the storage box, a nitriding furnace outer shell is clamped between the limiting clamping assemblies, an automatic discharging assembly is arranged on the nitriding furnace outer shell, the automatic discharging assembly is fixed on a moving mechanism, the moving mechanism is fixed on a third fixing plate, a third supporting plate is fixed on the third fixing plate, a second hydraulic cylinder is fixed on the third supporting plate, a top cover dismounting and mounting assembly is fixed on the second hydraulic cylinder through a piston rod, and the nitriding furnace inner container is positioned in the nitriding furnace outer shell. The gas inlet and outlet device of the gas nitriding furnace has the advantages that the outer shell of the nitriding furnace can be limited and fixed, the whole device can be cooled in an auxiliary manner, workpieces in the inner container of the nitriding furnace can be automatically unloaded, and a top cover of the nitriding furnace on the outer shell of the nitriding furnace can be automatically sealed and opened.
Description
Technical Field
The invention relates to the technical field of nitriding furnaces, in particular to gas inlet and outlet equipment of a gas nitriding furnace.
Background
The nitriding furnace is equipment with nitriding treatment, has the characteristics of low treatment temperature, short time and small workpiece deformation, has high fatigue limit and good wear resistance, and is characterized in that ammonia gas is introduced into a stainless steel vacuum sealing tank in the nitriding furnace, the stainless steel vacuum sealing tank is heated to 520 ℃ and is kept for a proper time, and according to the requirements of workpiece materials and a permeable layer for 3-90 hours, a nitrogen-containing strengthening layer is obtained on the surface of a nitrided workpiece, so that high hardness, high wear resistance, high fatigue limit and good wear resistance are obtained.
The business turn over gas equipment of current nitriding furnace is when using, does not assist spacing fixed, receives external influence easily when nitriding furnace removes, appears empting, causes the unnecessary loss to current nitriding furnace need artificially unload when unloading, increases the whole work load in later stage, and the sealed lid of nitriding furnace can not seal automatically or dismantle simultaneously, and the sealed lid high temperature of nitriding furnace work back scalds the staff easily during later stage operation.
Disclosure of Invention
The invention aims to provide gas inlet and outlet equipment of a gas nitriding furnace, which aims to solve the problems that when the gas inlet and outlet equipment of the existing nitriding furnace provided in the background technology is used, auxiliary limiting and fixing are not carried out, the nitriding furnace is easily influenced by the outside when moving, and the gas inlet and outlet equipment is toppled to cause unnecessary loss, and when the existing nitriding furnace is used for unloading, manual unloading is needed manually, so that the later-period whole workload is increased, meanwhile, a sealing cover of the nitriding furnace cannot be automatically sealed or disassembled, the temperature of the sealing cover is too high after the nitriding furnace is operated, and workers are easily scalded during later-period operation.
In order to achieve the purpose, the invention provides the following technical scheme: an air inlet and outlet device of a gas nitriding furnace comprises a storage tank, a nitriding furnace inner container, an ammonia storage tank, an exhaust pipe and a control box,
a limiting clamping assembly is fixed on the upper side of the storage box, a nitriding furnace shell is clamped between the limiting clamping assemblies, an automatic discharging assembly is arranged on the nitriding furnace shell, the automatic discharging assembly is fixed on the moving mechanism, the moving mechanism is fixed on a third fixing plate, a third supporting plate is fixed on the third fixing plate, a second hydraulic cylinder is fixed on the third supporting plate, a top cover dismounting and mounting assembly is fixed on the second hydraulic cylinder through a piston rod, and a nitriding furnace top cover is fixed between the top cover dismounting and mounting assemblies;
the inner container of the nitriding furnace is positioned in the outer shell of the nitriding furnace, the inner container of the nitriding furnace is positioned on one side of the electric heating layer, the electric heating layer is positioned on one side of the second gas conveying pipe, and the second gas conveying pipe is positioned on one side of the cooling assembly.
Preferably, spacing centre gripping subassembly includes first fixed plate, first pneumatic cylinder, first backup pad, spring axle and first arc limiting plate, be fixed with first pneumatic cylinder on the first fixed plate, and first pneumatic cylinder is fixed with first backup pad through the piston rod, is fixed with the spring axle on the first backup pad simultaneously, spring axle one end is fixed with first arc limiting plate.
By adopting the technical scheme, the nitriding furnace shells with different volumes can be limited and fixed by arranging the limiting clamping assembly.
Preferably, the automatic discharging assembly comprises an electric telescopic rod, a first rotating shaft, a second supporting plate, a second rotating shaft, a mechanical arm and a second fixing plate, a supporting block on the electric telescopic rod is rotatably connected with a nitriding furnace shell through the first rotating shaft, the second supporting plate is fixed on one side of the nitriding furnace shell, the second supporting plate is rotatably connected with the mechanical arm through the second rotating shaft, and the second fixing plate is fixed at one end of the mechanical arm.
Through adopting above-mentioned technical scheme, the later stage of being convenient for carries out the ejection of compact to the work piece in the nitriding furnace inner bag through setting up of automatic discharging subassembly.
Preferably, the top cap is dismantled the installation component and is included fixed block, connecting plate, driving motor, annular fixed plate, slide bar, spout, third pneumatic cylinder and second arc limiting plate, be fixed with the connecting plate on the fixed block, and be fixed with driving motor on the connecting plate, the driving motor output rotates simultaneously and is connected with annular fixed plate, the fixed block downside is fixed with the slide bar, and slide bar sliding connection has the spout, be fixed with the third pneumatic cylinder on the annular fixed plate, and the third pneumatic cylinder is fixed with second arc limiting plate through the piston rod.
Through adopting above-mentioned technical scheme, can carry out automatic dismantlement to nitriding furnace top cap through the setting that the installation component was dismantled to the top cap.
Preferably, the cooling subassembly includes raceway, inlet tube, drain pipe, first heat dissipation fan, first water tank, force (forcing) pump and second heat dissipation fan, raceway one end is linked together with the inlet tube, and the raceway other end is linked together with the drain pipe, and inlet tube and drain pipe all are linked together with first water tank simultaneously, inlet tube and drain pipe are located first heat dissipation fan one side, and are provided with the force (forcing) pump on inlet tube and the drain pipe, second heat dissipation fan is inlayed on the nitriding furnace shell.
Through adopting above-mentioned technical scheme, can play the effect of supplementary cooling to whole device through the setting of cooling subassembly.
Preferably, the ammonia gas storage tank is communicated with the second gas pipe through the first gas pipe, the second gas pipe is communicated with the exhaust holes, the exhaust holes are distributed on the nitriding furnace inner container at equal intervals, and the first gas pipe is provided with an air blower.
By adopting the technical scheme, through the arrangement of the plurality of groups of exhaust holes, the workpiece in the inner liner of the nitriding furnace can be better subjected to nitrogen absorption treatment.
Preferably, blast pipe one end is linked together with the nitriding furnace inner bag, and is provided with the air pump on the blast pipe, and the blast pipe other end is linked together with exhaust-gas treatment mechanism simultaneously, exhaust-gas treatment mechanism places in the bin, and is fixed with stop gear on the bin inner wall, and stop gear is located the maintenance box upside simultaneously, the bin downside is fixed with position moving mechanism.
Through adopting above-mentioned technical scheme, the later stage of being convenient for through setting up of position moving mechanism removes whole device.
Preferably, the second arc limiting plates are provided with six groups, and the six groups of second arc limiting plates enclose a circle.
Through adopting above-mentioned technical scheme, can carry out spacing fixedly to the nitriding furnace top cap of different diameters through setting up of six groups of second arc limiting plates.
Preferably, the control box is fixed to one side of the storage box.
Compared with the prior art, the invention has the beneficial effects that: the gas inlet and outlet device of the gas nitriding furnace,
(1) the invention can limit and fix the outer shell of the nitriding furnace, can play a role of auxiliary cooling for the whole device, can automatically unload workpieces in the inner container of the nitriding furnace, can automatically seal and open the top cover of the nitriding furnace on the outer shell of the nitriding furnace, can drive four groups of first arc limiting plates to move under the auxiliary action of a first hydraulic cylinder, and finally, the first arc limiting plates can limit, clamp and fix the outer shell of the nitriding furnace, so that the outer shell of the nitriding furnace can be protected by operation, and unnecessary economic loss caused by falling of the outer shell of the nitriding furnace when moving can be avoided;
(2) the height of the nitriding furnace outer shell can be adjusted under the auxiliary action of the electric telescopic rod, and the nitriding furnace outer shell can be driven to rotate under the auxiliary action of the first rotating shaft, the mechanical arm, the second supporting plate and the second rotating shaft, so that a workpiece in the nitriding furnace outer shell can be unloaded at one time, manual operation is not needed, and the practicability is improved;
(3) according to the invention, the second arc limiting plate can be driven to move under the auxiliary action of the third hydraulic cylinder, the second arc limiting plate finally limits and fixes the top cover of the nitriding furnace, the annular fixing plate can be driven to rotate under the auxiliary action of the driving motor, and the second arc limiting plate on the annular fixing plate rotates, so that the top cover of the nitriding furnace between the second arc limiting plates can rotate, the top cover of the nitriding furnace is disassembled, the whole operation does not need manual operation, workers are prevented from being scalded, and the workers are protected;
(4) the water conveying pipe is wound on the inner container of the nitriding furnace in a snake shape, tap water in the water conveying pipe can play a role in auxiliary cooling to the inside, and can also play a role in auxiliary cooling under the auxiliary action of the second heat dissipation fan on the outer shell of the nitriding furnace, and the waste gas treatment mechanism can treat redundant nitrogen used in the inner container of the nitriding furnace, so that the quality of the operating environment is ensured.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a right side view of the structure of the present invention;
FIG. 4 is a rear view of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a schematic view of the distribution structure of the automatic discharging assembly of the present invention on the housing of the nitriding furnace;
FIG. 7 is a schematic view of the distribution structure of the third hydraulic cylinder on the annular fixing plate according to the present invention;
fig. 8 is a schematic perspective view of the top cover dismounting and mounting assembly of the present invention.
In the figure: 1. storage box, 2, spacing centre gripping subassembly, 201, first fixed plate, 202, first hydraulic cylinder, 203, first backup pad, 204, spring axle, 205, first arc limiting plate, 3, nitriding furnace shell, 4, automatic discharging subassembly, 401, electric telescopic handle, 402, first pivot, 403, second backup pad, 404, second pivot, 405, manipulator, 406, second fixed plate, 5, moving mechanism, 6, third fixed plate, 7, third backup pad, 8, second hydraulic cylinder, 9, top cover dismounting and mounting subassembly, 901, fixed block, 902, connecting plate, 903, driving motor, 904, annular fixed plate, 905, slide bar, 906, chute, 907, third hydraulic cylinder, 908, second arc limiting plate, 10, nitriding furnace top cover, 11, nitriding furnace inner container, 12, electric cylinder, 13, cooling subassembly, 1301, water pipe, inlet pipe 1302, 1303, heating pipe, The device comprises a water discharge pipe 1304, a first heat dissipation fan 1305, a first water tank 1306, a pressure pump 1307, a second heat dissipation fan 14, an ammonia gas storage tank 15, a first air conveying pipe 16, a blower 17, a second air conveying pipe 18, an exhaust hole 19, an exhaust pipe 20, an exhaust pump 21, an exhaust gas treatment mechanism 22, a limiting mechanism 23, a maintenance box 24, a position moving mechanism 25 and a control box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a gas inlet and outlet device of a gas nitriding furnace is disclosed, as shown in figure 1, figure 2, figure 5 and figure 6, a limiting clamping assembly 2 is fixed on the upper side of a storage tank 1, a nitriding furnace shell 3 is clamped between the limiting clamping assemblies 2, an automatic discharging assembly 4 is arranged on the nitriding furnace shell 3, the limiting clamping assembly 2 comprises a first fixing plate 201, a first hydraulic cylinder 202, a first supporting plate 203, a spring shaft 204 and a first arc-shaped limiting plate 205, the first hydraulic cylinder 202 is fixed on the first fixing plate 201, the first supporting plate 203 is fixed on the first hydraulic cylinder 202 through a piston rod, the spring shaft 204 is fixed on the first supporting plate 203, a first arc-shaped limiting plate 205 is fixed at one end of the spring shaft 204, the first arc-shaped limiting plate 205 can be driven to move under the auxiliary action of the first hydraulic cylinder 202 on the first fixing plate 201, and finally the first arc-shaped limiting plate 205 can limit and fix the nitriding furnace shell 3, the first arc-shaped limiting plates 205 are provided with four groups, the four groups of first arc-shaped limiting plates 205 limit and fix the nitriding furnace shell 3 at the same time, so that the nitriding furnace shell 3 is prevented from toppling and damaging the nitriding furnace shell 3 when moving, unnecessary loss is avoided, meanwhile, the four groups of first arc-shaped limiting plates 205 can limit and fix the nitriding furnace shells 3 with different diameters, the practicability is improved, and the arrangement of the spring shaft 204 between the first supporting plate 203 and the first arc-shaped limiting plates 205 can play a role in buffering, so that the nitriding furnace shell 3 is protected.
As shown in fig. 1, 3, 4 and 6, the automatic discharging assembly 4 is fixed on the moving mechanism 5, the moving mechanism 5 is fixed on the third fixing plate 6, the third fixing plate 6 is fixed with the third supporting plate 7, the automatic discharging assembly 4 comprises an electric telescopic rod 401, a first rotating shaft 402, a second supporting plate 403, a second rotating shaft 404, a manipulator 405 and a second fixing plate 406, the supporting block on the electric telescopic rod 401 is rotatably connected with the nitriding furnace housing 3 through the first rotating shaft 402, the second supporting plate 403 is fixed on one side of the nitriding furnace housing 3, the second supporting plate 403 is rotatably connected with the manipulator 405 through the second rotating shaft 404, one end of the manipulator 405 is fixed with the second fixing plate 406, the nitriding furnace housing 3 can be moved upwards to a required height under the assistance of the electric telescopic rod 401, the height of the manipulator 405 can be adjusted under the assistance of the moving mechanism 5, can drive nitriding furnace outer shell 3 and rotate under the auxiliary action of manipulator 405, nitriding furnace outer shell 3 emptys under the auxiliary action of first pivot 402 and second pivot 404, just so can unload the work piece in nitriding furnace inner bag 11, and whole operation does not need the manual work to go on, shortens whole when unloading, avoids the work piece to injure the staff by mistake simultaneously, protects the staff, increases the practicality.
As shown in fig. 1, 3, 5, 7 and 8, a second hydraulic cylinder 8 is fixed on a third support plate 7, a top cover dismounting and mounting assembly 9 is fixed on the second hydraulic cylinder 8 through a piston rod, a nitriding furnace top cover 10 is fixed between the top cover dismounting and mounting assemblies 9, the top cover dismounting and mounting assembly 9 comprises a fixed block 901, a connecting plate 902, a driving motor 903, an annular fixed plate 904, a sliding rod 905, a sliding chute 906, a third hydraulic cylinder 907 and a second arc-shaped limit plate 908, the fixed block 901 is fixed with the connecting plate 902, the connecting plate 902 is fixed with the driving motor 903, an output end of the driving motor 903 is rotatably connected with the annular fixed plate 904, a sliding rod 905 is fixed on the lower side of the fixed block 901, the sliding rod 905 is slidably connected with the sliding chute 906, the annular fixed plate 904 is fixed with the third hydraulic cylinder 907, and the third hydraulic cylinder 907 is fixed with the second arc-shaped limit plate 908 through a piston rod, the second arc limiting plate 908 is provided with six groups, the six groups of second arc limiting plates 908 enclose a synthetic circle, the second arc limiting plates 908 are driven to move under the auxiliary action of a third hydraulic cylinder 907, the six groups of second arc limiting plates 908 can clamp and fix nitriding furnace top covers 10 with different diameters, the annular fixing plate 904 can be driven to rotate under the auxiliary action of a driving motor 903, the second hydraulic cylinder 8 moves upwards when the driving motor 903 rotates, so that the nitriding furnace top cover 10 between the second arc limiting plates 908 is separated from the nitriding furnace shell 3, the nitriding furnace shell 3 moves upwards to a selected position, the nitriding furnace top cover 10 can be automatically disassembled, the practicability is improved, and the driving motor 903 is a stepping motor.
As shown in fig. 1, 4 and 6, a nitriding furnace inner container 11 is positioned in a nitriding furnace outer shell 3, the nitriding furnace inner container 11 is positioned on one side of an electric heating layer 12, the electric heating layer 12 is positioned on one side of a second air conveying pipe 17, the second air conveying pipe 17 is positioned on one side of a cooling assembly 13, the cooling assembly 13 comprises a water conveying pipe 1301, a water inlet pipe 1302, a water discharging pipe 1303, a first cooling fan 1304, a first water tank 1305, a pressure pump 1306 and a second cooling fan 1307, one end of the water conveying pipe 1301 is communicated with the water inlet pipe 1302, the other end of the water conveying pipe 1301 is communicated with the water discharging pipe 1303, the water inlet pipe 1302 and the water discharging pipe 1303 are communicated with the first water tank 1305, the water inlet pipe 1302 and the water discharging pipe 1303 are positioned on one side of the first cooling fan 1304, the pressure pump 1306 is arranged on the water inlet pipe 1302 and the water discharging pipe 1303, the second cooling fan 1307 is embedded on the nitriding furnace outer shell 3, an ammonia gas storage tank 14 is communicated with the second air conveying pipe 17 through a first air conveying pipe 15, and the second gas pipe 17 is communicated with the vent holes 18, and the vent holes 18 are equidistantly distributed on the inner container 11 of the nitriding furnace, the first gas pipe 15 is provided with a blower 16, after the nitriding furnace is finished, tap water in the first water tank 1305 enters the water pipe 1301, auxiliary temperature reduction treatment can be carried out in the outer container 3 of the nitriding furnace under the auxiliary action of the water pipe 1301, so that auxiliary temperature reduction treatment can be carried out in the inner container 11 of the nitriding furnace, the auxiliary action of the second heat dissipation fan 1307 on the outer container 3 of the nitriding furnace can also play a role of heat dissipation, so that the whole outer container 3 of the nitriding furnace can play an auxiliary temperature reduction role, the service life of the nitriding furnace can be prolonged, auxiliary temperature reduction treatment can be carried out on the tap water in the water inlet pipe 1302 and the water discharge pipe 1303 under the auxiliary action of the first heat dissipation fan 1304, a plurality of groups of vent holes 18 are equidistantly distributed on the inner container 11 of the nitriding furnace, and material homogenizing plates are arranged in the vent holes 18, the arrangement of the multiple groups of exhaust holes 18 and the uniform material plates in the exhaust holes 18 can ensure that ammonia gas can enter the inner container 11 of the nitriding furnace more uniformly, so that the more uniform absorption of the workpiece after the nitrogen gas is generated in the inner container 11 of the nitriding furnace is ensured, and the processing quality is ensured.
As shown in fig. 1 and fig. 2, one end of the exhaust pipe 19 is communicated with the inner container 11 of the nitriding furnace, the exhaust pipe 19 is provided with an exhaust pump 20, the other end of the exhaust pipe 19 is communicated with a waste gas treatment mechanism 21, the waste gas treatment mechanism 21 is placed in the storage tank 1, a limiting mechanism 22 is fixed on the inner wall of the storage tank 1, the limiting mechanism 22 is positioned on the upper side of a maintenance box 23, a position moving mechanism 24 is fixed on the lower side of the storage tank 1, a control box 25 is fixed on one side of the storage tank 1, after the nitriding furnace is processed, redundant gas enters the waste gas treatment mechanism 21 through the exhaust pipe 19, a water tank in the waste gas treatment mechanism 21 precipitates impurities in the waste gas, the waste gas enters the activated carbon filter screens after being processed, the two layers of activated carbon filter screens are processed again, the waste gas after being processed by the two layers of activated carbon filter screens is processed again through the activated carbon packing box, and finally, the storage box is discharged, so that the quality of the operation environment can be improved in operation, the physical health of personnel is guaranteed, the self-locking roller can be driven to move out of the storage box 1 under the auxiliary action of the electric telescopic rod 401 in the position moving mechanism 24, the whole device can be driven to move under the auxiliary action of the self-locking roller, time and labor are saved, and the whole device can be directly used when the maintenance box 23 is arranged and needs to be maintained.
The working principle is as follows: when the gas inlet and outlet device of the gas nitriding furnace is used, an external power supply is connected, under the auxiliary action of a first hydraulic cylinder 202 on a first fixing plate 201, a first arc-shaped limiting plate 205 can be driven by a first supporting plate 203 and a spring shaft 204 to move, finally, the first arc-shaped limiting plate 205 can limit and fix a nitriding furnace shell 3, under the auxiliary action of an air blower 16, ammonia in an ammonia storage tank 14 in a storage tank 1 enters a second gas pipe 17 through a first gas pipe 15, the ammonia can be uniformly conveyed in a nitriding furnace inner container 11 through an exhaust hole 18 in the second gas pipe 17, under the auxiliary action of an electric heating layer 12, the nitriding furnace inner container 11 can be heated, nitrogen generated during heating is quickly absorbed by a workpiece in the nitriding furnace inner container 11, after the whole work is finished, tap water in a first water tank 1305 under the auxiliary action of a pressure pump 1306, the tap water enters a water conveying pipe 1301 through a water inlet pipe 1302, performing heat absorption treatment under the auxiliary action of tap water in a water conveying pipe 1301, enabling heat-absorbed hot water to enter a first water tank 1305 through a water discharge pipe 1303, performing cooling treatment under the auxiliary action of a first heat dissipation fan 1304 on the water discharge pipe 1303, performing auxiliary fan heat treatment under the auxiliary action of a second heat dissipation fan 1307 on a nitriding furnace outer shell 3, if a workpiece in a nitriding furnace inner container 11 needs to be unloaded, enabling gas in a nitriding furnace top cover 10 to enter an exhaust gas treatment mechanism 21 through an exhaust pipe 19 for treatment and exhaust under the auxiliary action of an exhaust pump 20, driving a second arc-shaped limiting plate 908 to move under the auxiliary action of a third hydraulic cylinder 907 on an annular fixing plate 904, finally enabling the second arc-shaped limiting plate 908 to limit and fix the nitriding furnace top cover 10, driving the annular fixing plate 904 to rotate under the auxiliary action of a driving motor 903 on a connecting plate 902, and enabling the annular fixing plate 904 to rotate, the top cover 10 of the nitriding furnace is separated from the housing 3 of the nitriding furnace, the sliding rod 905 slides in the sliding chute 906, the fixed block 901 can be driven to move upwards under the assistance of the second hydraulic cylinder 8 on the third supporting plate 7, the top cover 10 of the nitriding furnace can be driven to move upwards to a required position, the mechanical arm 405 on the housing 3 of the nitriding furnace and the second fixing plate 406 can be driven to move upwards to a required position under the assistance of the moving mechanism 5 on the third fixing plate 6 and the electric telescopic rod 401, the housing 3 of the nitriding furnace can be driven to rotate through the second rotating shaft 404 on the second supporting plate 403 under the assistance of the mechanical arm 405, the housing 3 of the nitriding furnace rotates, the first rotating shaft 402 on the housing 3 of the nitriding furnace rotates, the housing 3 of the nitriding furnace can be driven to tilt, and finally, when the maintenance box 23 is required to be used, the limiting mechanism 22 is separated from the maintenance box 23, the maintenance box 23 can be used after being opened, and the whole device can be driven to move to other positions for use under the assistance of the position moving mechanism 24.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (9)
1. The utility model provides an business turn over gas equipment of gas nitriding furnace, includes storage box (1), nitriding furnace inner bag (11), ammonia storage box (14), blast pipe (19) and control box (25), its characterized in that:
a limiting clamping component (2) is fixed on the upper side of the storage box (1), a nitriding furnace shell (3) is clamped between the limiting clamping components (2), an automatic discharging component (4) is arranged on the nitriding furnace shell (3), the automatic discharging component (4) is fixed on a moving mechanism (5), the moving mechanism (5) is fixed on a third fixing plate (6), a third supporting plate (7) is fixed on the third fixing plate (6), a second hydraulic cylinder (8) is fixed on the third supporting plate (7), a top cover dismounting and mounting component (9) is fixed on the second hydraulic cylinder (8) through a piston rod, and a nitriding furnace top cover (10) is fixed between the top cover dismounting and mounting components (9);
the nitriding furnace inner container (11) is positioned in the nitriding furnace outer shell (3), the nitriding furnace inner container (11) is positioned on one side of the electric heating layer (12), the electric heating layer (12) is positioned on one side of the second air conveying pipe (17), and the second air conveying pipe (17) is positioned on one side of the cooling assembly (13).
2. The gas inlet and outlet equipment of a gas nitriding furnace as claimed in claim 1, wherein: spacing centre gripping subassembly (2) include first fixed plate (201), first pneumatic cylinder (202), first backup pad (203), spring axle (204) and first arc limiting plate (205), be fixed with first pneumatic cylinder (202) on first fixed plate (201), and first pneumatic cylinder (202) are fixed with first backup pad (203) through the piston rod, are fixed with spring axle (204) on first backup pad (203) simultaneously, spring axle (204) one end is fixed with first arc limiting plate (205).
3. The gas inlet and outlet equipment of a gas nitriding furnace as claimed in claim 1, wherein: the automatic discharging assembly (4) comprises an electric telescopic rod (401), a first rotating shaft (402), a second supporting plate (403), a second rotating shaft (404), a mechanical arm (405) and a second fixing plate (406), wherein a supporting block on the electric telescopic rod (401) is rotatably connected with the nitriding furnace shell (3) through the first rotating shaft (402), the second supporting plate (403) is fixed on one side of the nitriding furnace shell (3), the mechanical arm (405) is rotatably connected with the second supporting plate (403) through the second rotating shaft (404), and meanwhile, one end of the mechanical arm (405) is fixedly provided with the second fixing plate (406).
4. The gas inlet and outlet equipment of a gas nitriding furnace as claimed in claim 1, wherein: the top cover dismounting and mounting assembly (9) comprises a fixing block (901), a connecting plate (902), a driving motor (903), an annular fixing plate (904), a sliding rod (905), a sliding groove (906), a third hydraulic cylinder (907) and a second arc-shaped limiting plate (908), wherein the connecting plate (902) is fixed on the fixing block (901), the driving motor (903) is fixed on the connecting plate (902), the output end of the driving motor (903) is rotatably connected with the annular fixing plate (904), the sliding rod (905) is fixed on the lower side of the fixing block (901), the sliding rod (905) is slidably connected with the sliding groove (906), the third hydraulic cylinder (907) is fixed on the annular fixing plate (904), and the third hydraulic cylinder (907) is fixed with the second arc-shaped limiting plate (908) through a piston rod.
5. The gas inlet and outlet apparatus for a gas nitriding furnace according to claim 1 is characterized in that: the cooling assembly (13) comprises a water conveying pipe (1301), a water inlet pipe (1302), a water discharging pipe (1303), a first heat dissipation fan (1304), a first water tank (1305), a pressure pump (1306) and a second heat dissipation fan (1307), one end of the water conveying pipe (1301) is communicated with the water inlet pipe (1302), the other end of the water conveying pipe (1301) is communicated with the water discharging pipe (1303), the water inlet pipe (1302) and the water discharging pipe (1303) are communicated with the first water tank (1305), the water inlet pipe (1302) and the water discharging pipe (1303) are located on one side of the first heat dissipation fan (1304), the pressure pump (1306) is arranged on the water inlet pipe (1302) and the water discharging pipe (1303), and the second heat dissipation fan (1307) is embedded on the nitriding furnace shell (3).
6. The gas inlet and outlet equipment of a gas nitriding furnace as claimed in claim 1, wherein: the ammonia gas storage tank (14) is communicated with the second gas pipe (17) through the first gas pipe (15), the second gas pipe (17) is communicated with the exhaust holes (18), the exhaust holes (18) are distributed on the nitriding furnace inner container (11) at equal intervals, and the first gas pipe (15) is provided with the air blower (16).
7. The gas inlet and outlet equipment of a gas nitriding furnace as claimed in claim 1, wherein: blast pipe (19) one end is linked together with nitriding furnace inner bag (11), and is provided with air pump (20) on blast pipe (19), and blast pipe (19) other end and exhaust-gas treatment mechanism (21) are linked together simultaneously, exhaust-gas treatment mechanism (21) are placed in bin (1), and are fixed with stop gear (22) on bin (1) inner wall, and stop gear (22) are located maintenance box (23) upside simultaneously, bin (1) downside is fixed with position moving mechanism (24).
8. The gas inlet and outlet equipment for a gas nitriding furnace according to claim 4 is characterized in that: the second arc limiting plates (908) are provided with six groups, and the six groups of second arc limiting plates (908) enclose a synthetic circle.
9. The gas inlet and outlet equipment of a gas nitriding furnace as claimed in claim 1, wherein: the control box (25) is fixed on one side of the storage box (1).
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| CN202210741243.5A CN114990472B (en) | 2022-06-28 | 2022-06-28 | Gas inlet and outlet equipment of gas nitriding furnace |
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| CN202210741243.5A CN114990472B (en) | 2022-06-28 | 2022-06-28 | Gas inlet and outlet equipment of gas nitriding furnace |
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| CN114990472B (en) | 2024-01-30 |
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