CN114990472B - 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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- CN114990472B CN114990472B CN202210741243.5A CN202210741243A CN114990472B CN 114990472 B CN114990472 B CN 114990472B CN 202210741243 A CN202210741243 A CN 202210741243A CN 114990472 B CN114990472 B CN 114990472B
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- Prior art keywords
- nitriding furnace
- fixed
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- gas
- pipe
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- 238000005121 nitriding Methods 0.000 title claims abstract description 146
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 29
- 230000009471 action Effects 0.000 description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000000576 supplementary effect Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
-
- 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 air inlet and outlet equipment of a gas nitriding furnace, which comprises a storage box, a nitriding furnace liner, an ammonia 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 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 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 liner is positioned in the nitriding furnace shell. The gas inlet and outlet equipment of the gas nitriding furnace can limit and fix the nitriding furnace shell, can assist in cooling the whole device, can automatically discharge workpieces in the nitriding furnace liner, and can automatically seal and open the nitriding furnace top cover on the nitriding furnace shell.
Description
Technical Field
The invention relates to the technical field of nitriding furnaces, in particular to air 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 deformation of a workpiece, 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, and the nitriding furnace is heated to 520 ℃ for proper time, so that a nitrogen-containing reinforced layer is obtained on the surface of the nitrided workpiece according to the material of the workpiece and the requirements of a diffusion layer for 3-90 hours, and the nitriding furnace has high hardness, high wear resistance, high fatigue limit and good wear resistance.
The business turn over gas equipment of current nitriding furnace is when using, does not carry out supplementary spacing fixedly, receives external influence easily when nitriding furnace removes, appears empting, causes unnecessary loss to current nitriding furnace needs manual unloading when unloading, enlarges the whole work load in later stage, and the sealed lid of nitriding furnace can not seal or dismantle voluntarily simultaneously, and sealed lid temperature is too high after nitriding furnace work, scalds the staff easily during the later operation.
Disclosure of Invention
The invention aims to provide gas inlet and outlet equipment of a gas nitriding furnace, which solves the problems that the prior gas inlet and outlet equipment of the nitriding furnace is not subjected to auxiliary limiting and fixing when in use, the nitriding furnace is easy to be influenced by the outside when moving, and is inclined to cause unnecessary loss, the prior nitriding furnace needs manual unloading when being unloaded, the whole workload in the later stage is increased, simultaneously, a sealing cover of the nitriding furnace cannot be automatically sealed or detached, the sealing cover is too high in temperature after the nitriding furnace works, and workers are easy to scald during the later operation.
In order to achieve the above purpose, the present invention provides the following technical solutions: an air inlet and outlet device of a gas nitriding furnace comprises a storage box, a nitriding furnace liner, an ammonia storage box, an exhaust pipe and a control box,
the upper side of the storage box is fixedly provided with a limiting clamping assembly, 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 nitriding furnace inner container is located the nitriding furnace shell, and the nitriding furnace inner container is located one side of the electric heating layer, and simultaneously the electric heating layer is located one side of the second gas pipe, and the second gas pipe is located one side of the cooling component.
Preferably, the spacing clamping assembly comprises a first fixed plate, a first hydraulic cylinder, a first supporting plate, a spring shaft and a first arc-shaped limiting plate, wherein the first hydraulic cylinder is fixed on the first fixed plate, the first supporting plate is fixed on the first hydraulic cylinder through a piston rod, the spring shaft is fixed on the first supporting plate, and one end of the spring shaft is fixed with the first arc-shaped limiting plate.
Through adopting above-mentioned technical scheme, can carry out spacing fixedly to nitriding furnace shell of different volumes through the setting of spacing centre gripping subassembly.
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, wherein a supporting block on the electric telescopic rod is rotationally connected with a nitriding furnace shell through the first rotating shaft, one side of the nitriding furnace shell is fixedly provided with the second supporting plate, the second supporting plate is rotationally connected with the mechanical arm through the second rotating shaft, and meanwhile one end of the mechanical arm is fixedly provided with the second fixing plate.
Through adopting above-mentioned technical scheme, be convenient for later stage to the work piece in the nitriding furnace inner bag go on ejection of compact through the setting of automatic discharging component.
Preferably, the top cover dismounting and mounting assembly comprises a fixed block, a connecting plate, a driving motor, an annular fixed plate, a sliding rod, a sliding groove, a third hydraulic cylinder and a second arc limiting plate, wherein the connecting plate is fixed on the fixed block, the driving motor is fixed on the connecting plate, the output end of the driving motor is rotationally connected with the annular fixed plate, the sliding rod is fixed on the lower side of the fixed block, the sliding rod is slidably connected with the sliding groove, the third hydraulic cylinder is fixed on the annular fixed plate, and the third hydraulic cylinder is fixed with the second arc limiting plate through a piston rod.
Through adopting above-mentioned technical scheme, can dismantle nitriding furnace top cap voluntarily through the setting of top cap dismantlement installation component.
Preferably, the cooling assembly comprises a water pipe, a water inlet pipe, a water outlet pipe, a first heat radiating fan, a first water tank, a booster pump and a second heat radiating fan, one end of the water pipe is communicated with the water inlet pipe, the other end of the water pipe is communicated with the water outlet pipe, the water inlet pipe and the water outlet pipe are both communicated with the first water tank, the water inlet pipe and the water outlet pipe are located on one side of the first heat radiating fan, the booster pump is arranged on the water inlet pipe and the water outlet pipe, and the second heat radiating fan is inlaid on the nitriding furnace shell.
Through adopting above-mentioned technical scheme, can play supplementary effect of cooling to whole device through the setting of cooling subassembly.
Preferably, the ammonia storage box is communicated with the second air pipe through the first air pipe, the second air pipe is communicated with the exhaust hole, the exhaust holes are distributed on the nitriding furnace liner at equal intervals, and the first air pipe is provided with the air blower.
Through adopting above-mentioned technical scheme, through the setting of multiunit exhaust hole, the work piece in the nitriding furnace inner bag can be better carries out nitrogen gas absorption treatment.
Preferably, one end of the exhaust pipe is communicated with the nitriding furnace liner, an exhaust pump is arranged on the exhaust pipe, the other end of the exhaust pipe is communicated with the waste gas treatment mechanism, the waste gas treatment mechanism is placed in the storage box, a limiting mechanism is fixed on the inner wall of the storage box, the limiting mechanism is positioned on the upper side of the maintenance box, and a position moving mechanism is fixed on the lower side of the storage box.
Through adopting above-mentioned technical scheme, through the setting of position moving mechanism, be convenient for later stage whole device remove.
Preferably, six groups of second arc limiting plates are arranged, and the six groups of second arc limiting plates enclose a circle.
Through adopting above-mentioned technical scheme, can carry out spacing fixed to the nitriding furnace top cap of different diameters through the setting of six second arc limiting plates.
Preferably, the control box is fixed at one side of the storage box.
Compared with the prior art, the invention has the beneficial effects that: the gas inlet and outlet equipment of the gas nitriding furnace,
(1) The nitriding furnace shell can be limited and fixed, the whole device can be subjected to auxiliary cooling, workpieces in the nitriding furnace liner can be automatically discharged, the nitriding furnace top cover on the nitriding furnace shell can be automatically sealed and opened, the four groups of first arc limiting plates can be driven to move under the auxiliary effect of the first hydraulic cylinder, and finally the nitriding furnace shell can be limited and clamped and fixed by the first arc limiting plates, so that the nitriding furnace shell can be protected by operation, and unnecessary economic loss caused by falling during the movement of the nitriding furnace shell is avoided;
(2) According to the invention, the height of the nitriding furnace shell can be adjusted under the auxiliary action of the electric telescopic rod, the nitriding furnace 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 workpieces in the nitriding furnace shell can be discharged at one time, manual operation is not needed, and the practicability is increased;
(3) The second arc limiting plate can be driven to move under the auxiliary action of the third hydraulic cylinder, the second arc limiting plate is used for limiting and fixing the nitriding furnace top cover finally, the annular fixing plate can be driven to rotate under the auxiliary action of the driving motor, so that the second arc limiting plate on the annular fixing plate rotates, the nitriding furnace top cover between the second arc limiting plates can rotate, the nitriding furnace top cover is disassembled, the whole operation does not need manual operation, workers are prevented from being scalded, and the workers are protected;
(4) The water delivery pipe is wound on the nitriding furnace liner in a serpentine manner, tap water in the water delivery pipe can assist in cooling the inside, and the water delivery pipe can also assist in cooling under the assist of the second cooling fan on the nitriding furnace shell, and the waste gas treatment mechanism can treat redundant nitrogen after the nitriding furnace liner is used, so that the quality of an operation environment is guaranteed.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a left-hand structural schematic diagram of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a schematic rear view of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a schematic diagram showing the distribution structure of the automatic discharging assembly on the nitriding furnace shell;
FIG. 7 is a schematic view showing a distribution structure of a third hydraulic cylinder on an annular fixed plate;
fig. 8 is a schematic perspective view of the top cover dismounting assembly of the present invention.
In the figure: 1. a storage box, 2, a limit clamping assembly, 201, a first fixing plate, 202, a first hydraulic cylinder, 203, a first supporting plate, 204, a spring shaft, 205, a first arc limiting plate, 3, a nitriding furnace shell, 4, an automatic discharging assembly, 401, an electric telescopic rod, 402, a first rotating shaft, 403, a second supporting plate, 404, a second rotating shaft, 405, a manipulator, 406, a second fixing plate, 5, a moving mechanism, 6, a third fixing plate, 7, a third supporting plate, 8, a second hydraulic cylinder, 9, a top cover dismounting assembly, 901, a fixing block, 902, a connecting plate, 903, a driving motor, 904, an annular fixing plate, 905, a sliding rod, 906, a sliding chute, 907, a third hydraulic cylinder, 908, a second arc limiting plate, 10, a nitriding furnace top cover, 11, a nitriding furnace liner, 12, an electric heating layer, 13, a cooling component, 1301, a water conveying pipe, 1302, a water inlet pipe, 1303, a water outlet pipe, 1304, a first heat dissipation fan, 1305, a first water tank, 1306, a booster pump, 1307, a second heat dissipation fan, 14, an ammonia storage box, 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 following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a business turn over gas equipment of gas nitriding furnace, as shown in fig. 1, fig. 2, fig. 5 and fig. 6, bin 1 upside is fixed with spacing centre gripping subassembly 2, and the centre gripping has nitriding furnace shell 3 between the spacing centre gripping subassembly 2, be provided with automatic ejection of compact subassembly 4 on nitriding furnace shell 3 simultaneously, spacing centre gripping subassembly 2 includes first fixed plate 201, first pneumatic cylinder 202, first backup pad 203, spring shaft 204 and first arc limiting plate 205, be fixed with first pneumatic cylinder 202 on the first fixed plate 201, and first pneumatic cylinder 202 is fixed with first backup pad 203 through the piston rod, be fixed with spring shaft 204 on the first backup pad 203 simultaneously, spring shaft 204 one end is fixed with first arc limiting plate 205, can drive first arc limiting plate 205 and remove under the auxiliary action of first pneumatic cylinder 202 on first fixed plate 201, finally first arc limiting plate 205 just can carry out spacing fixed to nitriding furnace shell 3, first arc limiting plate 205 is provided with four groups, four groups of first arc limiting plates 205 carry out spacing fixed to nitriding furnace shell 3 simultaneously, thereby ensure that nitriding furnace shell 3 is not carried out moving when nitriding furnace shell 3 and carrying out the effect and can not producing the nitriding furnace shell 3 and the effect of the first arc limiting plate 205 and can cause the first arc limiting plate 205 to the nitriding furnace shell to be lost, first arc-shaped limiting plate 3 to the nitriding furnace shell is carried out, and the first arc-shaped limiting plate is not be carried out, the diameter is increased and the first arc-shaped and the nitriding shell is required to be 3, and the diameter is increased and the first arc-shaped and can be increased to the nitriding furnace shell 3.
As shown in fig. 1, fig. 3, fig. 4 and fig. 6, automatic discharging component 4 is fixed on moving mechanism 5, and moving mechanism 5 is fixed on third fixed plate 6, be fixed with third backup pad 7 on the third fixed plate 6 simultaneously, automatic discharging component 4 includes electric telescopic handle 401, first pivot 402, second backup pad 403, second pivot 404, manipulator 405 and second fixed plate 406, the supporting shoe on the electric telescopic handle 401 is connected with nitriding furnace shell 3 through first pivot 402 rotation, nitriding furnace shell 3 one side is fixed with second backup pad 403, and second backup pad 403 is connected with manipulator 405 through second pivot 404 rotation, manipulator 405 one end is fixed with second fixed plate 406 simultaneously, can upwards move to required height to drive nitriding furnace shell 3 under the auxiliary action of electric telescopic handle 401, can drive the height of manipulator 405 under the auxiliary action of manipulator 405 and rotate, nitriding furnace shell 3 is toppled over like this under the auxiliary action of first pivot 402 and second pivot, the nitriding furnace shell 3 need not be used for the whole nitriding, the whole work piece is unloaded to the personnel, the personnel is avoided to the personnel's of unloading, the whole work piece is unloaded to the personnel's is avoided, the personnel's is unloaded to the personnel's is not need to the personnel's of the personnel' is reduced.
As shown in fig. 1, 3, 5, 7 and 8, a second hydraulic cylinder 8 is fixed on a third support plate 7, and the second hydraulic cylinder 8 is fixed with a top cover dismounting assembly 9 through a piston rod, and nitriding furnace top covers 10 are fixed between the top cover dismounting assembly 9, the top cover dismounting 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 groove 906, a third hydraulic cylinder 907 and a second arc limiting plate 908, the connecting plate 902 is fixed on the fixed block 901, and the driving motor 903 is fixed on the connecting plate 902, and the output end of the driving motor 903 is rotationally connected with the annular fixed plate 904, a sliding rod 905 is fixed on the lower side of the fixed block 901, and the sliding rod 905 is slidingly connected with the sliding groove 906, the third hydraulic cylinder 907 is fixed on the annular fixed plate 904, and the third pneumatic cylinder 907 is fixed with second arc limiting plate 908 through the piston rod, second arc limiting plate 908 is provided with six groups, and six groups of second arc limiting plates 908 enclose into the circle, drive second arc limiting plate 908 and remove under the auxiliary action of third pneumatic cylinder 907, the setting of six groups of second arc limiting plates 908 can carry out the centre gripping to nitriding furnace top cap 10 of different diameters and fix, can drive annular fixed plate 904 and rotate under the auxiliary action of driving motor 903, second pneumatic cylinder 8 upwards moves when driving motor 903 rotates, nitriding furnace top cap 10 and nitriding furnace shell 3 separation between second arc limiting plate 908 like this, nitriding furnace shell 3 upwards moves to selected position, just so can dismantle nitriding furnace top cap 10 voluntarily, increase the practicality, driving motor 903 is step motor.
As shown in fig. 1, 4 and 6, the nitriding furnace inner container 11 is located in the nitriding furnace housing 3, and the nitriding furnace inner container 11 is located at one side of the electric heating layer 12, while the electric heating layer 12 is located at one side of the second air pipe 17, the second air pipe 17 is located at one side of the cooling module 13, the cooling module 13 includes a water pipe 1301, a water pipe 1302, a water pipe 1303, a first heat radiation fan 1304, a first water tank 1305, a pressurizing pump 1306 and a second heat radiation fan 1307, one end of the water pipe 1301 is communicated with the water pipe 1302, and the other end of the water pipe 1301 is communicated with the water pipe 1303, while the water pipe 1302 and the water pipe 1303 are both communicated with the first water tank 1305, the water pipe 1302 and the water pipe 1303 are located at one side of the first heat radiation fan 1304, and the water pipe 1302 and the water pipe 1303 are provided with a pressurizing pump 1306, the second heat radiation fan 1307 is embedded on the nitriding furnace housing 3, the ammonia storage tank 14 is communicated with the second air pipe 17 through the first air pipe 15, the second air pipe 17 is communicated with the air exhaust holes 18, the air exhaust holes 18 are distributed on the nitriding furnace liner 11 at equal intervals, the first air pipe 15 is provided with an air blower 16, tap water in the first water tank 1305 enters the water pipe 1301 after the nitriding furnace is completed, auxiliary cooling treatment can be carried out on the nitriding furnace shell 3 under the auxiliary action of the water pipe 1301, thus the auxiliary cooling treatment can be carried out on the nitriding furnace liner 11, the second cooling fan 1307 on the nitriding furnace shell 3 also plays a role in heat dissipation, thereby playing an auxiliary cooling role on the whole nitriding furnace shell 3, prolonging the service life of the nitriding furnace, the auxiliary cooling treatment can be carried out on tap water in the water inlet pipe 1302 and the water outlet pipe 1303 under the auxiliary action of the first cooling fan 1304, a plurality of groups of air exhaust holes 18 are distributed on the nitriding furnace liner 11 at equal intervals, be provided with the refining plate in the exhaust hole 18, the setting of multiunit exhaust hole 18 and the refining plate in the exhaust hole 18 can guarantee that ammonia more even get into nitriding furnace inner bag 11 inside to guarantee this work piece of more even after nitriding furnace inner bag 11 nitrogen gas generates absorbs, guarantee processingquality.
As shown in fig. 1 and 2, one end of the exhaust pipe 19 is communicated with the nitriding furnace liner 11, an exhaust pump 20 is arranged on the exhaust pipe 19, meanwhile, the other end of the exhaust pipe 19 is communicated with an exhaust gas treatment mechanism 21, the exhaust gas treatment mechanism 21 is placed in the storage box 1, a limiting mechanism 22 is fixed on the inner wall of the storage box 1, meanwhile, the limiting mechanism 22 is positioned at the upper side of the maintenance box 23, a position moving mechanism 24 is fixed at the lower side of the storage box 1, a control box 25 is fixed at one side of the storage box 1, redundant gas enters the inside of the exhaust gas treatment mechanism 21 through the exhaust pipe 19 after the nitriding furnace is processed, a water tank in the exhaust gas treatment mechanism 21 deposits impurities in the exhaust gas, the exhaust gas enters an active carbon filter screen after being processed, the two layers of active carbon filter screens are processed again, the exhaust gas after being processed by the two layers of active carbon filter screens is processed again through an active carbon bag box, and finally discharged, so that the operation can improve the quality of the operation environment, the whole device can be driven to move out of the storage box 1 under the auxiliary action of an 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 and the self-locking moving, and the whole device can be set up and can be used directly when the maintenance device is needed.
Working principle: when the gas inlet and outlet equipment of the gas nitriding furnace is used, an external power supply is connected, the first arc-shaped limiting plate 205 can be driven to move by the first supporting plate 203 and the spring shaft 204 under the auxiliary action of the first hydraulic cylinder 202 on the first fixing plate 201, finally the nitriding furnace shell 3 is limited and fixed by the first arc-shaped limiting plate 205, ammonia in the ammonia storage tank 14 in the storage tank 1 enters the second gas pipe 17 through the first gas pipe 15 under the auxiliary action of the blower 16, ammonia can be uniformly conveyed into the nitriding furnace liner 11 through the exhaust hole 18 in the second gas pipe 17, the nitriding furnace liner 11 can be heated under the auxiliary action of the electric heating layer 12, nitrogen generated during heating is quickly absorbed by a workpiece in the nitriding furnace liner 11, tap water in the first water tank enters the water pipe 1301 through the water inlet pipe 1302 under the auxiliary action of the pressurizing pump 1305 after the whole work is completed, the heat absorption treatment is carried out under the auxiliary action of tap water in the water delivery pipe 1301, the hot water after heat absorption enters the first water tank 1305 through the water delivery pipe 1303, the temperature reduction treatment can be carried out under the auxiliary action of the first heat radiation fan 1304 on the water delivery pipe 1303, the auxiliary fan heat treatment can also be carried out under the auxiliary action of the second heat radiation fan 1307 on the nitriding furnace shell 3, if the workpiece in the nitriding furnace liner 11 needs to be unloaded, the gas in the nitriding furnace top cover 10 enters the waste gas treatment mechanism 21 through the exhaust pipe 19 for treatment and discharge under the auxiliary action of the exhaust pump 20, the second arc-shaped limiting plate 908 can be driven to move under the auxiliary action of the third hydraulic cylinder 907 on the annular fixed plate 904, finally the second arc-shaped limiting plate 908 can limit and fix the nitriding furnace top cover 10, the annular fixed plate 904 is driven to rotate under the auxiliary action of the driving motor 903 on the connecting plate 902, the annular fixing plate 904 rotates, the nitriding furnace top cover 10 is separated from the nitriding furnace shell 3, the sliding rod 905 slides in the sliding groove 906, the fixing block 901 can be driven to move upwards under the auxiliary action of the second hydraulic cylinder 8 on the third supporting plate 7, the nitriding furnace top cover 10 can be driven to move upwards to a required position, the moving mechanism 5 and the manipulator 405 on the second fixing plate 406 can be driven to move upwards to a required position under the auxiliary action of the electric telescopic rod 401 on the third fixing plate 6, the nitriding furnace shell 3 can be driven to rotate through the second rotating shaft 404 on the second supporting plate 403 under the auxiliary action of the manipulator 405, the nitriding furnace shell 3 can be driven to rotate through the first rotating shaft 402 on the nitriding furnace shell 3, the nitriding furnace shell 3 can be driven to tilt, finally workpieces in the nitriding furnace top cover 10 can be unloaded, if a maintenance box 23 is required, the limiting mechanism 22 is separated from the maintenance box 23 can be opened, the whole device can be driven to move to other positions under the auxiliary action of the position moving mechanism 24, and the prior art is not described in detail.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.
Although the present invention has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The utility model provides an business turn over gas equipment of gas nitriding stove, includes bin (1), nitriding furnace inner bag (11), ammonia storage box (14), blast pipe (19) and control box (25), its characterized in that:
the upper side of the storage box (1) is fixedly provided with a limiting clamping assembly (2), 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) simultaneously, 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), a supporting block on the electric telescopic rod (401) is rotationally connected with the nitriding furnace shell (3) through the first rotating shaft (402), a second supporting plate (403) is fixed on one side of the nitriding furnace shell (3), the second supporting plate (403) is rotationally connected with a manipulator (405) through a second rotating shaft (404), one end of the manipulator (405) is fixed with a second fixing plate (406) at the same time, the automatic discharging component (4) is fixed on the 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) at the same time, a second hydraulic cylinder (8) is fixed on the third supporting plate (7), and the second hydraulic cylinder (8) is fixed with a top cover dismounting and mounting component (9) through a piston rod, meanwhile, a nitriding furnace top cover (10) is fixed between the top cover dismounting and mounting assemblies (9);
nitriding furnace inner bag (11) are located nitriding furnace shell (3), and nitriding furnace inner bag (11) are located electric heating layer (12) one side, electric heating layer (12) are located second gas-supply pipe (17) one side simultaneously, second gas-supply pipe (17) are located cooling subassembly (13) one side, cooling subassembly (13) are including raceway (1301), inlet tube (1302), drain pipe (1303), first heat dissipation fan (1304), first water tank (1305), force (1306) and second heat dissipation fan (1307), raceway (1301) one end is linked together with inlet tube (1302), and raceway (1301) other end is linked together with drain pipe (1303), and inlet tube (1302) and drain pipe (1303) are all linked together with first water tank (1305) simultaneously, inlet tube (1302) and drain pipe (1303) are located first heat dissipation fan (1304) one side, and are provided with force (1306) on inlet tube (1302) and drain pipe (1303), second heat dissipation (1307) are inlayed on nitriding furnace shell (3).
2. An air inlet and outlet device of a gas nitriding furnace according to 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. An air inlet and outlet device of a gas nitriding furnace according to claim 1, wherein: top cap dismantlement installation component (9) include fixed block (901), connecting plate (902), driving motor (903), annular fixed plate (904), slide bar (905), spout (906), third pneumatic cylinder (907) and second arc limiting plate (908), be fixed with connecting plate (902) on fixed block (901), and be fixed with driving motor (903) on connecting plate (902), driving motor (903) output rotates simultaneously and is connected with annular fixed plate (904), fixed block (901) downside is fixed with slide bar (905), and slide bar (905) sliding connection has spout (906), be fixed with third pneumatic cylinder (907) on annular fixed plate (904), and third pneumatic cylinder (907) are fixed with second arc limiting plate (908) through the piston rod.
4. An air inlet and outlet device of a gas nitriding furnace according to claim 1, wherein: the ammonia storage box (14) is communicated with the second air pipe (17) through the first air pipe (15), the second air pipe (17) is communicated with the exhaust hole (18), the exhaust hole (18) is equidistantly distributed on the nitriding furnace liner (11), and the first air pipe (15) is provided with the air blower (16).
5. An air inlet and outlet device of a gas nitriding furnace according to claim 1, wherein: one end of the exhaust pipe (19) is communicated with the nitriding furnace liner (11), an exhaust pump (20) is arranged on the exhaust pipe (19), the other end of the exhaust pipe (19) is communicated with the exhaust gas treatment mechanism (21), the exhaust gas treatment mechanism (21) is placed in the storage box (1), a limiting mechanism (22) is fixed on the inner wall of the storage box (1), the limiting mechanism (22) is located on the upper side of the maintenance box (23), and a position moving mechanism (24) is fixed on the lower side of the storage box (1).
6. A gas inlet and outlet apparatus for a gas nitriding furnace according to claim 3, wherein: six groups of second arc limiting plates (908) are arranged, and the six groups of second arc limiting plates (908) are enclosed into a circle.
7. An air inlet and outlet device of a gas nitriding furnace according to 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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| CN114990472A (en) | 2022-09-02 |
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