CN110983241A - Nitriding treatment device in gear manufacturing - Google Patents

Nitriding treatment device in gear manufacturing Download PDF

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Publication number
CN110983241A
CN110983241A CN202010042090.6A CN202010042090A CN110983241A CN 110983241 A CN110983241 A CN 110983241A CN 202010042090 A CN202010042090 A CN 202010042090A CN 110983241 A CN110983241 A CN 110983241A
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CN
China
Prior art keywords
cavity
heat treatment
gear
groove
chamber
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Withdrawn
Application number
CN202010042090.6A
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Chinese (zh)
Inventor
不公告发明人
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Ningbo Xichu Machinery Technology Co ltd
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Ningbo Xichu Machinery Technology Co ltd
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Priority to CN202010042090.6A priority Critical patent/CN110983241A/en
Publication of CN110983241A publication Critical patent/CN110983241A/en
Withdrawn legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • 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
    • C23C8/02—Pretreatment of the material to be coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2230/00—Other cleaning aspects applicable to all B08B range
    • B08B2230/01—Cleaning with steam

Abstract

The invention discloses a nitriding treatment device in gear manufacturing, which comprises a machine body, wherein a sealing cover is rotatably arranged on the upper end surface of the machine body, an opening and closing device is arranged in the sealing cover, the opening and closing device comprises a sealing plate and a thread block which can be lifted, the sealing plate and the thread block are lifted synchronously, a heat treatment cavity is arranged in the machine body, and the sealing plate descends into the heat treatment cavity to seal the heat treatment cavity.

Description

Nitriding treatment device in gear manufacturing
Technical Field
The invention relates to the technical field of gears, in particular to a nitriding treatment device in gear manufacturing.
Background
The gear is a mechanical element with a gear on a rim which is continuously engaged to transmit motion and power, and is an important element in production and manufacturing, in the gear manufacturing process, related procedures of heat treatment are often needed, a gear nitriding process is a relatively common heat treatment mode, the wear resistance, fatigue resistance, corrosion resistance and high temperature resistance of the gear can be improved, the surface of the gear needs to be cleaned before nitriding treatment, the cleaning and nitriding treatment processes of the gear are separately carried out by the conventional device, the manufacturing cost of the device is increased, the manufacturing time is increased in the gear transferring process, and the working efficiency of gear treatment is reduced. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
the existing gear nitriding treatment process and the gear cleaning process are carried out separately, so that the working efficiency of gear treatment is reduced.
In order to solve the problems, the embodiment designs a nitriding treatment device in gear manufacturing, which comprises a machine body, wherein a sealing cover is rotatably arranged on the upper end surface of the machine body, an opening and closing device is arranged in the sealing cover, the opening and closing device comprises a liftable sealing plate and a thread block, the sealing plate and the thread block are lifted synchronously, a heat treatment cavity is arranged in the machine body, the sealing plate is lowered into the heat treatment cavity to seal the heat treatment cavity, a heating plate capable of being electrified and heated is arranged on the inner end wall of the heat treatment cavity, a lifting plate is slidably arranged in the heat treatment cavity, the front end and the rear end of the lifting plate are abutted against the front end wall and the rear end wall of the heat treatment cavity, eight hanging rods are fixedly arranged on the upper end surface of the lifting plate through a supporting rod annular array, a gear to be nitrided can be placed on the hanging rods, and gaps are, the left side of the heat treatment cavity is provided with a power device, the power device comprises a first spline shaft and a second spline shaft which can rotate, the first spline shaft is positioned at the upper side of the second spline shaft, the power device can respectively provide power for the first spline shaft and the second spline shaft when working due to the descending of the lifting plate, the first spline shaft can control the turnover of the sealing cover to open and close the heat treatment cavity by rotating, the lower side of the power device is provided with a steam cavity, a circulation cavity is communicated between the steam cavity and the heat treatment cavity, water vapor is filled into the heat treatment cavity through the circulation cavity to remove oil from a gear, the right side of the steam cavity is provided with a control device for controlling the opening and closing of the circulation cavity, the right end wall of the heat treatment cavity is communicated with a ventilation cavity, an air pump is arranged in the ventilation cavity, and a filter plate is arranged on the, the heat treatment device is characterized in that a nitrogen cavity is arranged on the lower side of the ventilation cavity, a ventilation device for controlling the communication state of the nitrogen cavity and the ventilation cavity is arranged between the nitrogen cavity and the ventilation cavity, a conversion device is arranged on the upper side of the ventilation cavity, the conversion device can control the communication of the ventilation cavity and the outside to evacuate air in the heat treatment cavity, the conversion device can control the communication of the ventilation cavity and the nitrogen cavity to fill nitrogen into the heat treatment cavity, and the heating plate is used for heating the air in the heat treatment cavity to perform gear nitriding permeation.
Preferably, the right end wall of the heat treatment cavity is of a thread structure, a rotating groove is formed in the right end face of the lifting plate, a thread block with the periphery in a thread shape is arranged in the rotating groove in a rotating mode through a rotating shaft, the upper end of the rotating shaft is in power connection with a rotating motor installed on the upper end wall of the rotating groove, and the rotating motor is in threaded fit with the right end wall of the heat treatment cavity.
Preferably, a groove is formed in the left end face of the sealing cover, a worm wheel is fixedly arranged in the groove through a fixed shaft, and the front end and the rear end of the fixed shaft are fixedly connected with the front end wall and the rear end wall of the groove.
Preferably, a wind power rotating shaft is arranged in the lower end wall of the heat treatment cavity in a rotating mode, the wind power rotating shaft is in power connection with the lower end of the second spline shaft through a transmission belt, and the upper end of the wind power rotating shaft extends into the heat treatment cavity and is provided with fan blades.
Wherein, the device that opens and shuts includes opening recess down, slide in the closing plate set up in the recess, the closing plate up end has set firmly the fixed block, fixed block female connection has the screw shaft, the recess upside is equipped with the race, the screw shaft upper end extends to in the race, the screw shaft right side in the race internal rotation is equipped with the integral key shaft, the integral key shaft with connect through synchronous belt power between the screw shaft, race upper end wall has set firmly driving motor, the integral key shaft upper end with driving motor power is connected, race lower extreme wall is equipped with first thread groove, it is equipped with the thread piece to slide in the first thread groove, the integral key shaft lower extreme extends to in the first thread groove and with thread piece splined connection.
Wherein, the power device comprises a sliding cavity, a sliding block is arranged in the sliding cavity in a sliding manner, a pressure spring is fixedly arranged between the lower end surface of the sliding block and the sliding cavity, a power groove is arranged in the sliding block, a power motor is fixedly arranged on the upper end wall of the power groove, a power shaft is dynamically installed at the lower end of the power motor, a power gear is fixedly arranged on the power shaft, a meshing gear is connected to the left side of the power gear in a meshing manner, a spline housing is fixedly arranged at the center of the meshing gear, the upper end and the lower end of the meshing gear are respectively in spline connection with the first spline shaft and the second spline shaft, the spline housing is rotatably connected with the sliding block, the upper end of the first spline shaft extends to the outside and is fixedly provided with a worm meshed with the worm wheel, an extrusion chute communicated with the thermal treatment cavity is arranged at the lower side of the sliding cavity, the left end of the extrusion block is fixedly provided with a reset spring, a through groove which penetrates through the extrusion block from top to bottom is formed in the extrusion block, the second spline shaft can penetrate through the through groove, a pull rope is fixedly arranged on the upper end face of the extrusion block, a traction wheel is rotationally arranged on the upper end wall of the extrusion sliding groove, and the upper end of the pull rope extends into the sliding cavity and is fixedly connected with the sliding block.
The control device comprises a sealing sliding groove communicated with the extrusion sliding groove and the circulation cavity, a sealing block is arranged in the sealing sliding groove in a sliding mode, the upper end of the sealing block extends into the through groove, a left connecting groove and a right connecting groove are formed in the sealing block, and a telescopic spring is fixedly arranged at the lower end of the sealing block.
The ventilation device comprises a control cavity communicated with the ventilation cavity and the nitrogen cavity, a fixed rod is fixedly arranged in the control cavity, a sliding rod is arranged in the fixed rod in a sliding mode, a sealing plug used for sealing the upper end of the control cavity is fixedly arranged at the upper end of the sliding rod, and a pressing spring is fixedly arranged between the sealing plug and the fixed rod.
Wherein, conversion equipment include with ventilate the communicating conversion chamber of chamber upside, the conversion intracavity slides and is equipped with the conversion piece, the terminal surface sets firmly bilateral symmetry's push rod under the conversion piece, be equipped with opening gas pocket down in the conversion piece, the conversion piece left end face set firmly with the communicating breather pipe of gas pocket, the conversion piece left end face has tooth structure and meshing and is connected with first gear, first gear rotate set up in the conversion intracavity, first gear upside rotates and is equipped with first gear, first gear with connect through power belt power between the center pin of first gear, be equipped with in the organism up end with the second thread groove that first thread groove position corresponds, slide in the second thread groove be equipped with first gear engagement's rack, the cover is equipped with the torsional spring on the rack.
The invention has the beneficial effects that: the invention ensures the sealing in the heat treatment cavity of the groove through the opening and closing device, improves the gear treatment quality, saves energy consumption, combines the gas deoiling process and the nitriding process, and completes the processes in the heat treatment cavity, thereby reducing the space size of the device during the process treatment, improving the use convenience, automatically operating the deoiling and the nitriding of the gear, shortening the gear treatment time and having high working efficiency.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of a nitriding apparatus for manufacturing a gear according to the present invention;
FIG. 2 is an enlarged schematic view of "A" of FIG. 1;
FIG. 3 is an enlarged view of "B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is an enlarged view of the structure of "D" in FIG. 1;
FIG. 6 is an enlarged view of "E" of FIG. 1;
FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 6.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a nitriding treatment device in gear manufacturing, which is mainly used for gear nitriding treatment work, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a nitriding treatment device in gear manufacturing, which comprises a machine body 21, wherein a sealing cover 23 is rotatably arranged on the upper end surface of the machine body 21, an opening and closing device 15 is arranged in the sealing cover 23, the opening and closing device 15 comprises a sealing plate 25 and a thread block 33 which can be lifted, the sealing plate 25 and the thread block 33 are lifted synchronously, a heat treatment cavity 22 is arranged in the machine body 21, the sealing plate 25 is lowered into the heat treatment cavity 22 to seal the heat treatment cavity 22, a heating plate 20 which can be electrified and heated is arranged on the inner end wall of the heat treatment cavity 22, a lifting plate 39 is arranged in the heat treatment cavity 22 in a sliding manner, the front end and the rear end of the lifting plate 39 are abutted against the front end wall and the rear end wall of the heat treatment cavity 22, eight hanging rods 41 are fixedly arranged on the upper end surface of the lifting plate 39 in, a gap is formed between the gears to facilitate nitriding and infiltrating, a power device 16 is arranged on the left side of the heat treatment cavity 22, the power device 16 comprises a first spline shaft 37 and a second spline shaft 56 which are rotatable, the first spline shaft 37 is positioned on the upper side of the second spline shaft 56, the descending of the lifting plate 39 can enable the power device 16 to respectively provide power for the first spline shaft 37 and the second spline shaft 56 when in work, the first spline shaft 37 can control the turning of the sealing cover 23 to open and close the heat treatment cavity 22 through rotating, a steam cavity 67 is arranged on the lower side of the power device 16, a circulation cavity 65 is communicated between the steam cavity 67 and the heat treatment cavity 22, water steam is filled into the heat treatment cavity 22 through the circulation cavity 65 to remove oil from the gears, and a control device 17 for controlling the opening and closing of the circulation cavity 65 is arranged on the right side of the steam cavity 67, the right end wall of the heat treatment cavity 22 is provided with a vent cavity 77 in a communicated manner, the vent cavity 77 is internally provided with an air pump 90, the right side of the air pump 90 is provided with a filter plate 78, the lower side of the vent cavity 77 is provided with a nitrogen cavity 71, an air breather 18 for controlling the communicated state of the nitrogen cavity 71 and the vent cavity 77 is arranged between the nitrogen cavity 71 and the vent cavity 77, the upper side of the vent cavity 77 is provided with a conversion device 19, the conversion device 19 can control the communication of the vent cavity 77 and the outside to evacuate the air in the heat treatment cavity 22, the conversion device 19 can control the communication of the vent cavity 77 and the nitrogen cavity 71 to inject the nitrogen into the heat treatment cavity 22, and the air in the heat treatment cavity 22 is heated through the heating plate 20 to realize gear nitriding permeation.
Advantageously, the right end wall of the heat treatment chamber 22 is of a threaded structure, a rotating groove 44 is formed in the right end face of the lifting plate 39, a threaded block 43 with a threaded periphery is rotatably arranged in the rotating groove 44 through a rotating shaft 42, a rotating motor 45 mounted on the upper end wall of the rotating groove 44 is dynamically connected to the upper end of the rotating shaft 42, and the rotating motor 45 is in threaded fit with the right end wall of the heat treatment chamber 22.
Advantageously, a slot 34 is formed in the left end surface of the sealing cover 23, a worm wheel 35 is fixedly arranged in the slot 34 through a fixed shaft 36, and the front end and the rear end of the fixed shaft 36 are fixedly connected with the front end wall and the rear end wall of the slot 34.
Beneficially, a wind power rotating shaft 69 is rotatably disposed in the lower end wall of the heat treatment chamber 22, the wind power rotating shaft 69 is in power connection with the lower end of the second spline shaft 56 through a transmission belt 68, and the upper end of the wind power rotating shaft 69 extends into the heat treatment chamber 22 and is provided with fan blades 70.
The opening and closing means 15 will be described in detail below, according to an embodiment, said opening and closing means 15 comprising a recess 24 with a downward opening, the sealing plate 25 is arranged in the groove 24 in a sliding manner, a fixing block 28 is fixedly arranged on the upper end surface of the sealing plate 25, a threaded shaft 27 is connected with the fixed block 28 through internal threads, a belt groove 26 is arranged on the upper side of the groove 24, the upper end of the threaded shaft 27 extends into the belt groove 26, a spline shaft 31 is arranged on the right side of the threaded shaft 27 and rotates in the belt groove 26, the spline shaft 31 is in power connection with the threaded shaft 27 through a synchronous belt 29, a driving motor 30 is fixedly arranged on the upper end wall of the belt groove 26, the upper end of the spline shaft 31 is in power connection with the driving motor 30, the lower end wall of the belt groove 26 is provided with a first thread groove 32, a thread block 33 is slidably arranged in the first thread groove 32, and the lower end of the spline shaft 31 extends into the first thread groove 32 and is in spline connection with the thread block 33.
According to the embodiment, the power device 16 is described in detail below, the power device 16 includes a sliding cavity 46, a sliding block 48 is slidably disposed in the sliding cavity 46, a pressure spring 55 is fixedly disposed between a lower end surface of the sliding block 48 and the sliding cavity 46, a power groove 49 is disposed in the sliding block 48, a power motor 53 is fixedly disposed on an upper end wall of the power groove 49, a power shaft 52 is dynamically mounted on a lower end of the power motor 53, a power gear 51 is fixedly disposed on the power shaft 52, a meshing gear 50 is engaged and connected to a left side of the power gear 51, a spline housing 47 having an upper end and a lower end splined and respectively connected to the first spline shaft 37 and the second spline shaft 56 is fixedly disposed at a center of the meshing gear 50, the spline housing 47 is rotatably connected to the sliding block 48, an upper end of the first spline shaft 37 extends to the outside, and a worm 38 meshed with the worm wheel 35 is fixedly, an extrusion sliding groove 61 with the right end communicated with the heat treatment cavity 22 is formed in the lower side of the sliding cavity 46, an extrusion block 59 with the right end extending into the heat treatment cavity 22 is arranged in the extrusion sliding groove 61 in a sliding mode, a return spring 60 is fixedly arranged at the left end of the extrusion block 59, a through groove 58 penetrating up and down is formed in the extrusion block 59, the second spline shaft 56 can penetrate through the through groove 58, a pull rope 54 is fixedly arranged on the upper end face of the extrusion block 59, a traction wheel 57 is rotatably arranged in the upper end wall of the extrusion sliding groove 61, and the upper end of the pull rope 54 extends into the sliding cavity 46 and is fixedly connected with the sliding block 48.
According to an embodiment, the control device 17 is described in detail below, the control device 17 includes a sealing slide groove 64 communicating the extrusion slide groove 61 and the circulation chamber 65, a sealing block 62 having an upper end extending into the through groove 58 is slidably disposed in the sealing slide groove 64, a connecting groove 66 penetrating left and right is disposed in the sealing block 62, and a telescopic spring 63 is fixedly disposed at a lower end of the sealing block 62.
According to an embodiment, the following detailed description is provided for the air vent device 18, the air vent device 18 includes a control chamber 72 communicating the air vent chamber 77 and the nitrogen chamber 71, a fixed rod 73 is fixedly disposed in the control chamber 72, a sliding rod 74 is slidably disposed in the fixed rod 73, a sealing plug 76 for sealing the upper end of the control chamber 72 is fixedly disposed at the upper end of the sliding rod 74, and a pressing spring 75 is fixedly disposed between the sealing plug 76 and the fixed rod 73.
According to the embodiment, the details of the switching device 19 will be described below, the switching device 19 includes a switching cavity 84 communicated with the upper side of the ventilation cavity 77, a switching block 79 is slidably disposed in the switching cavity 84, push rods 81 are fixedly disposed on the lower end surface of the switching block 79 in bilateral symmetry, an air hole 80 with a downward opening is disposed in the switching block 79, a ventilation pipe 82 communicated with the air hole 80 is fixedly disposed on the left end surface of the switching block 79, the left end surface of the switching block 79 has a tooth structure and is engaged with a first gear 83, the first gear 83 is rotatably disposed in the switching cavity 84, a first gear 86 is rotatably disposed on the upper side of the first gear 83, the first gear 86 is in power connection with the central axis of the first gear 83 through a power belt 85, a second thread groove 89 corresponding to the position of the first thread groove 32 is disposed in the upper end surface of the machine body 21, a rack 88 meshed with the first gear 86 is arranged in the second thread groove 89 in a sliding mode, and a torsion spring 87 is sleeved on the rack 88.
The following describes in detail the use steps of the nitriding apparatus in manufacturing a gear with reference to fig. 1 to 7:
at the beginning, the sealing cover 23 is horizontally placed, the sealing plate 25 is contracted in the groove 24, the worm wheel 35 is meshed with the worm 38, the upper end of the spline housing 47 is in spline connection with the first spline shaft 37, the lower end of the spline housing 47 is in spline connection with the second spline shaft 56, the pressure spring 55 is in a natural state, the sealing block 62 blocks the circulation of the circulation cavity 65, the lifting plate 39 is located at the upper side position of the extrusion block 59, the sealing plug 76 seals the control cavity 72, and the pressing spring 75 is in a natural state.
During placement, the power motor 53 is started to drive the power gear 51 to rotate, the meshing gear 50 drives the spline housing 47 to rotate, the first spline shaft 37 rotates, the worm 38 drives the worm wheel 35 to rotate, the sealing cover 23 rotates anticlockwise to open the heat treatment cavity 22, the rotating motor 45 is started to drive the thread block 43 to rotate, the lifting plate 39 moves upwards to enable the hanging rod 41 to be located outside, the gear to be treated is placed on the hanging rod 41, the rotating motor 45 rotates reversely to work, the lifting plate 39 drives the hanging rod 41 to descend into the heat treatment cavity 22, the power motor 53 rotates reversely, the spline housing 47 rotates reversely, and the sealing cover 23 rotates clockwise to close the heat treatment cavity 22 through transmission;
the driving motor 30 is started, the spline shaft 31 rotates, so that the first thread groove 32 descends into the second thread groove 89, at the moment, the second thread groove 89 is not abutted to the rack 88, and the spline shaft 31 rotates to drive the threaded shaft 27 to rotate through the synchronous belt 29, so that the sealing plate 25 descends into the heat treatment chamber 22 to seal the heat treatment chamber 22;
the rotating motor 45 works to enable the lifting plate 39 to descend, after the left end of the lifting plate 39 pushes the extrusion block 59 to move leftwards, the rotating motor 45 stops, the extrusion block 59 moves to pull the sliding block 48 downwards through the pulling rope 54, the pressure spring 55 compresses to store force, at the moment, the upper end of the spline housing 47 is separated from the first spline shaft 37, the lower end of the spline housing 47 is in spline connection with the second spline shaft 56, the power motor 53 works to drive the second spline shaft 56 to rotate, the fan blade 70 rotates through the transmission belt 68, the extrusion block 59 moves leftwards to press the sealing block 62, the connecting groove 66 is communicated with the circulation cavity 65, water vapor in the steam cavity 67 circulates to the heat treatment cavity 22 to perform gas deoiling treatment on the gear, and the fan blade 70 rotates to enable the water vapor to completely deoil the gear;
thereafter, when the rotating motor 45 is operated to raise the lift plate 39, and the lift plate 39 is separated from the pressing block 59, and the rotating motor 45 is stopped, the pressing block 59 moves to the right, the slide block 48 is raised to the initial position by the elastic restoring force of the pressure spring 55, the seal block 62 is raised by the expanding spring 63, the seal block 62 blocks the flow of the flow chamber 65 again,
the air pump 90 is started to output the gas in the heat treatment cavity 22 to the right, so that the heat treatment cavity 22 is in a vacuum state, the driving motor 30 is started, the thread block 33 descends again and presses the rack 88 downwards, the first gear 86 is driven to rotate, the first gear 83 is driven to rotate through the power belt 85, the conversion block 79 descends to seal the space between the ventilation cavity 77 and the heat treatment cavity 22, the push rod 81 pushes the sealing plug 76 to descend, the control cavity 72 is further communicated with the ventilation cavity 77, the nitrogen in the nitrogen cavity 71 is input into the heat treatment cavity 22 through the air hole 80, the ventilation pipe 82 and the ventilation cavity 77, the heat treatment cavity 22 is electrified to heat the gas in the heat treatment cavity 22 to control the constant temperature state of the gas, the gear is subjected to nitridation treatment, and the corrosion resistance of the gear is.
The invention has the beneficial effects that: the invention ensures the sealing in the heat treatment cavity of the groove through the opening and closing device, improves the gear treatment quality, saves energy consumption, combines the gas deoiling process and the nitriding process, and completes the processes in the heat treatment cavity, thereby reducing the space size of the device during the process treatment, improving the use convenience, automatically operating the deoiling and the nitriding of the gear, shortening the gear treatment time and having high working efficiency.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims (9)

1. The utility model provides a nitriding treatment device in gear manufacturing, includes the organism, its characterized in that: a sealing cover is rotatably arranged on the upper end surface of the machine body;
the sealing cover is internally provided with an opening and closing device which comprises a sealing plate and a thread block which can be lifted, the sealing plate and the thread block are lifted synchronously, a heat treatment cavity is arranged in the machine body, the sealing plate is descended into the heat treatment cavity to seal the heat treatment cavity, a heating plate capable of being electrified and heated is arranged on the inner end wall of the heat treatment cavity, a lifting plate is arranged in the heat treatment cavity in a sliding manner, the front end and the rear end of the lifting plate are abutted against the front end wall and the rear end wall of the heat treatment cavity, eight hanging rods are fixedly arranged on the upper end surface of the lifting plate through a support rod annular array, the gears to be nitrided can be placed on the hanging rod, and gaps are formed among the gears to facilitate nitriding and infiltration, a power device is arranged on the left side of the heat treatment cavity and comprises a first spline shaft and a second spline shaft which can rotate, and the first spline shaft is positioned on the upper side of the second spline shaft;
the steam chamber is arranged at the lower side of the power device, the steam chamber is communicated with the heat treatment chamber and is provided with a circulating chamber, the heat treatment chamber is filled with steam to remove oil through the circulating chamber, the right side of the steam chamber is provided with a control device for controlling the opening and closing of the circulating chamber, the right end wall of the heat treatment chamber is communicated with a ventilation chamber, an air pump is arranged in the ventilation chamber, the right side of the air pump is provided with a filter plate, the lower side of the ventilation chamber is provided with a nitrogen chamber, a ventilation device for controlling the communication state of the nitrogen chamber and the ventilation chamber is arranged between the nitrogen chamber and the ventilation chamber, the upper side of the ventilation chamber is provided with a conversion device, the conversion device can control the ventilation chamber to be communicated with the outside so as to evacuate air in the heat treatment chamber, and the conversion device can control the ventilation chamber to, and heating the gas in the heat treatment cavity through the heating plate for gear nitriding permeation.
2. The nitriding apparatus for gear manufacturing according to claim 1, wherein: the right end wall of the heat treatment cavity is of a thread-shaped structure;
the lifting plate is characterized in that a rotating groove is formed in the right end face of the lifting plate, a thread block with the periphery in a thread shape is arranged in the rotating groove in a rotating mode through a rotating shaft, the upper end of the rotating shaft is in power connection with a rotating motor installed on the upper end wall of the rotating groove, and the rotating motor is in threaded fit with the right end wall of the heat treatment cavity.
3. The nitriding apparatus for gear manufacturing according to claim 1, wherein: a groove is formed in the left end face of the sealing cover, a worm wheel is fixedly arranged in the groove through a fixed shaft, and the front end and the rear end of the fixed shaft are fixedly connected with the front end wall and the rear end wall of the groove.
4. The nitriding apparatus for gear manufacturing according to claim 1, wherein: the inner wall of the lower end of the heat treatment cavity is rotatably provided with a wind power rotating shaft, the wind power rotating shaft is in power connection with the lower end of the second spline shaft through a transmission belt, and the upper end of the wind power rotating shaft extends into the heat treatment cavity and is provided with fan blades.
5. The nitriding apparatus for gear manufacturing according to claim 1, wherein: the opening and closing device comprises a groove with a downward opening;
slide in the closing plate set up in the recess, the closing plate up end has set firmly the fixed block, fixed block female connection has the screw shaft, the recess upside is equipped with the race, the screw shaft upper end extends to in the race, the screw shaft right side in the race internal rotation is equipped with the integral key shaft, the integral key shaft with connect through synchronous belt power between the screw shaft, the race upper end wall has set firmly driving motor, the integral key shaft upper end with driving motor power is connected, the race lower end wall is equipped with first thread groove, it is equipped with the thread piece to slide in the first thread groove, the integral key shaft lower extreme extends to in the first thread groove and with thread piece splined connection.
6. The nitriding apparatus for gear manufacturing according to claim 1, wherein: the power device comprises a sliding cavity;
a sliding block is arranged in the sliding cavity in a sliding mode, a pressure spring is fixedly arranged between the lower end face of the sliding block and the sliding cavity, a power groove is formed in the sliding block, a power motor is fixedly arranged on the upper end wall of the power groove, a power shaft is dynamically arranged at the lower end of the power motor, a power gear is fixedly arranged on the power shaft, the left side of the power gear is connected with a meshing gear in a meshing mode, a spline sleeve of which the upper end and the lower end are respectively in spline connection with the first spline shaft and the second spline shaft is fixedly arranged at the center of the meshing gear, the spline sleeve is rotatably connected with the sliding block, and the upper end of the first spline shaft extends to the outside and is fixedly provided with;
the utility model discloses a heat treatment device, including the sliding chamber, the sliding chamber downside is equipped with the right-hand member with the extrusion spout of heat treatment chamber intercommunication, it is equipped with the right-hand member in the extrusion spout to slide and extend to the extrusion piece in the heat treatment chamber, the extrusion piece left end is equipped with reset spring admittedly, be equipped with the logical groove that runs through from top to bottom in the extrusion piece, second spline shaft can run through logical groove, extrusion piece up end has set firmly the stay cord, extrusion spout upper end wall internal rotation is equipped with the traction wheel, the stay cord upper end extend to the sliding intracavity and with the sliding block links firmly.
7. The nitriding apparatus for gear manufacturing according to claim 1, wherein: the control device comprises a sealing chute which is communicated with the extrusion chute and the circulation cavity;
the sealing device is characterized in that a sealing block is arranged in the sealing sliding groove in a sliding mode, the upper end of the sealing block extends into the through groove, a connecting groove which is communicated from left to right is formed in the sealing block, and a telescopic spring is fixedly arranged at the lower end of the sealing block.
8. The nitriding apparatus for gear manufacturing according to claim 1, wherein: the ventilation device comprises a control cavity which communicates the ventilation cavity with the nitrogen cavity;
the control cavity is internally and fixedly provided with a fixed rod, a sliding rod is arranged in the fixed rod in a sliding mode, the upper end of the sliding rod is fixedly provided with a sealing plug used for sealing the upper end of the control cavity, and a pressing spring is fixedly arranged between the sealing plug and the fixed rod.
9. The nitriding apparatus for gear manufacturing according to claim 1, wherein: the conversion device comprises a conversion cavity communicated with the upper side of the ventilation cavity;
the conversion intracavity slides and is equipped with the conversion piece, the terminal surface has set firmly bilateral symmetry's push rod under the conversion piece, be equipped with opening gas pocket down in the conversion piece, conversion piece left end face set firmly with the communicating breather pipe of gas pocket, the conversion piece left end face have tooth structure and meshing and be connected with first gear, first gear rotate set up in the conversion intracavity, first gear upside rotates and is equipped with first gear, first gear with connect through power belt power between the center pin of first gear, be equipped with in the organism up end with the second thread groove that first thread groove position corresponds, slide in the second thread groove be equipped with first gear engagement's rack, the cover is equipped with the torsional spring on the rack.
CN202010042090.6A 2020-01-15 2020-01-15 Nitriding treatment device in gear manufacturing Withdrawn CN110983241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010042090.6A CN110983241A (en) 2020-01-15 2020-01-15 Nitriding treatment device in gear manufacturing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010042090.6A CN110983241A (en) 2020-01-15 2020-01-15 Nitriding treatment device in gear manufacturing

Publications (1)

Publication Number Publication Date
CN110983241A true CN110983241A (en) 2020-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010042090.6A Withdrawn CN110983241A (en) 2020-01-15 2020-01-15 Nitriding treatment device in gear manufacturing

Country Status (1)

Country Link
CN (1) CN110983241A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111319737A (en) * 2020-05-06 2020-06-23 三门梅格测量仪器有限公司 Prevent dam detector of detecting a flaw of undercurrent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111319737A (en) * 2020-05-06 2020-06-23 三门梅格测量仪器有限公司 Prevent dam detector of detecting a flaw of undercurrent
CN111319737B (en) * 2020-05-06 2020-12-29 浙江鼎兴企业管理有限公司 Prevent dam detector of detecting a flaw of undercurrent

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Application publication date: 20200410