CN111690792A - Surface heat treatment device suitable for large-size metal object - Google Patents
Surface heat treatment device suitable for large-size metal object Download PDFInfo
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- CN111690792A CN111690792A CN202010604923.3A CN202010604923A CN111690792A CN 111690792 A CN111690792 A CN 111690792A CN 202010604923 A CN202010604923 A CN 202010604923A CN 111690792 A CN111690792 A CN 111690792A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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Abstract
The invention discloses a surface heat treatment device suitable for large-size metal objects, which comprises a heat treatment cavity, wherein a first gate frame is arranged on one side of the heat treatment cavity, a second gate frame is arranged on the other side of the heat treatment cavity, a fixing plate is arranged at the top of one side, close to the heat treatment cavity, of the first gate frame and the second gate frame, a second electric lifting rod is arranged at the bottom of the fixing plate, a lifting plate is arranged at the bottom of the second electric lifting rod, and a chemical liquid tank is arranged at one side of the top of the lifting plate. According to the chain-falling device, the motor can be started through the control panel, the first circular gear and the second circular gear are matched with each other to drive the conveying roller to rotate, so that a large-size metal object is driven to move, and compared with the phenomenon that chain falling or chain breakage is easy to occur in chain conveying, the chain can be replaced frequently through gear transmission, the possibility of chain falling is avoided, manpower and material resources can be saved, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of surface heat treatment, in particular to a surface heat treatment device suitable for large-size metal objects.
Background
The surface heat treatment is a metal heat treatment process for changing the mechanical property of a surface layer by heating and cooling the metal surface, surface quenching is the main content of the surface heat treatment, and aims to obtain a high-hardness surface layer and favorable internal stress distribution so as to improve the wear resistance and the fatigue resistance of a workpiece, in principle, a workpiece is rapidly heated by a heat source, and is rapidly cooled when the surface temperature of a part reaches above a critical point, so that the surface layer of the workpiece obtains a hardened structure, and the center part of the workpiece keeps the original structure, and in order to achieve the aim of only heating the surface of the workpiece, the used heat source is required to have higher energy density, currently, in a surface heat treatment device for large-size metal objects, a conveying device is driven by a chain to drive a roller to rotate, and the phenomenon of chain dropping or chain fracture is easy to occur in chain transmission, and the chain needs to be frequently replaced, therefore, time and labor are wasted, in addition, the conventional surface heat treatment devices for large-size metal objects are all in a single heating treatment mode, so that the effect is poor, the cooling liquid cannot be recycled during cooling, the resource waste is caused, and the conventional surface heat treatment devices for large-size metal objects are fixed in size and cannot be suitable for metal objects with different sizes.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a surface heat treatment apparatus suitable for a large-sized metal object.
In order to achieve the purpose, the invention provides the following technical scheme: a surface heat treatment device suitable for large-size metal objects comprises a heat treatment cavity, wherein a first gate frame is installed on one side of the heat treatment cavity, a second gate frame is installed on the other side of the heat treatment cavity, a fixed plate is installed at the top, close to one side of the heat treatment cavity, of the first gate frame and the second gate frame, a second electric lifting rod is installed at the bottom of the fixed plate, a lifting plate is installed at the bottom of the second electric lifting rod, a chemical liquid box is installed on one side of the top of the lifting plate, a first electromagnetic valve is installed at the bottom of one side of the chemical liquid box, a transverse chemical liquid pipe is installed inside the lifting plate, the output end of the first electromagnetic valve is communicated with the transverse chemical liquid pipe through a water pipe, chemical liquid spray heads penetrating into the heat treatment cavity are evenly installed at the bottom of the transverse chemical liquid pipe, and quenching spray pipes are evenly installed at the bottom of, the bottom of the interior of the heat treatment cavity is uniformly provided with a lower quenching spray pipe, one side of the second gate frame is provided with a cooling cavity, one side of the cooling cavity is provided with a third gate frame, one side of the top of the cooling cavity is provided with a water tank, the bottom of one side of the water tank is provided with a second electromagnetic valve through a water pipe, the top of the interior of the cooling cavity is provided with a transverse water outlet pipe, the second electromagnetic valve is communicated with the transverse water outlet pipe through a water pipe, the bottom of the transverse water outlet pipe is uniformly provided with a water outlet spray head penetrating into the interior of the cooling cavity, one side of the top of the cooling cavity is provided with an air suction pump, the air suction pump is communicated with the top of one side of the water tank through a water pipe, the output end of the air suction pump is provided with an air inlet pipe penetrating into the interior of the cooling cavity, the inner sides of the first, the utility model discloses a pneumatic control valve, including conveying cylinder, side fixed plate, motor, control panel, motor, first solenoid valve, second solenoid valve, aspiration pump, first electric lift pole, second electric lift pole, correlation photoelectric sensor receiver and correlation photoelectric sensor transmitter electric connection, conveying cylinder's one side installs the circular gear of second through the bull stick, and the inboard of side fixed plate evenly installs the first circular gear who mutually supports with the circular gear of second through the bull stick, the motor is installed to the one end in the side fixed plate outside, the output of motor is fixed mutually with the inside bull stick of conveying cylinder of the inboard one end of side fixed plate, the intermediate position department of first gate frame one side installs control panel, and control panel pass through the wire respectively with motor, first solenoid valve, second solenoid valve.
Preferably, the inner sides of the first gate frame, the second gate frame and the third gate frame are all provided with slide rails, and the inner sides of the slide rails are all provided with gates.
Preferably, the first electric lifting rod is installed at the middle position of the top ends of the inner walls of the first gate frame, the second gate frame and the third gate frame, and the output end of the first electric lifting rod is fixedly connected with the middle position of the top of the gate.
Preferably, the bottom of the inner wall of the first gate frame, the bottom of the inner wall of the second gate frame and the bottom of the inner wall of the third gate frame are provided with slots matched with the gates.
Preferably, the first gate frame, the second gate frame and the third gate frame are all provided with a correlation photoelectric sensor emitter and a correlation photoelectric sensor receiver at the middle positions of one side.
Preferably, the middle position inside the chemical liquid box is provided with a rotating rod through a bearing, and the outer side of the rotating rod is uniformly provided with stirring blades.
Preferably, a flow monitoring meter is installed at the top of the water pipe connected with the first electromagnetic valve and the transverse chemical liquid pipe.
Preferably, a water inlet valve is installed on one side of the top of the water tank, and a chemical liquid charging valve is installed on one side of the top of the chemical liquid tank.
Preferably, an observation window is arranged at the middle position of one side of the heat treatment cavity and one side of the cooling cavity.
Preferably, the top of the inner sides of the first gate frame, the second gate frame and the third gate frame is provided with a sliding chute matched with the lifting plate.
Preferably, a first temperature sensor is installed at one side of the top end in the heat treatment chamber, and a second temperature sensor is installed at one side of the top end in the cooling chamber.
Compared with the prior art, the invention has the beneficial effects that: the surface heat treatment device suitable for the large-size metal object is characterized in that a motor is started through a control panel, a conveying roller is driven to rotate through the mutual matching of a first circular gear and a second circular gear, so that the large-size metal object is driven to move, compared with the phenomenon that chain falling or chain fracture easily occurs in chain conveying, the chain can be prevented from being frequently replaced through gear transmission, the possibility of chain falling is avoided, manpower and material resources can be saved, and the working efficiency is improved. The device opens the aspiration pump through control panel, with the steam suction to the water tank after the vaporization in, meet cold liquefaction again in the water tank, can carry out reuse with water, therefore play resources are saved's effect, the device opens the electronic lifter of second through control panel as not unidimensional metal system article through making to adjust the height of lifter plate, thereby be applicable to not unidimensional metal system article, make its quenching more abundant simultaneously.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a perspective view of the gate frame of the present invention;
FIG. 4 is a front view of the gate frame of the present invention;
FIG. 5 is an enlarged view of the structure at A of the present invention;
FIG. 6 is an enlarged view of the structure at B of the present invention.
In the figure: 1. a water inlet valve; 2. a third gate frame; 3. a cooling chamber; 4. a thermal processing chamber; 5. a lower quenching nozzle; 6. a second gate frame; 7. a fixing plate; 8. a transverse chemical liquid tube; 9. a chemical liquid spray head; 10. a motor; 11. a first gate frame; 12. a second circular gear; 13. a transfer drum; 14. a first circular gear; 15. an observation window; 16. a correlation photosensor emitter; 17. a correlation photosensor receiver; 18. a slot; 19. a slide rail; 20. a side fixing plate; 21. a first electric lift lever; 22. a second electric lifting rod; 23. a gate; 24. a flow monitoring meter; 25. a first solenoid valve; 26. a chemical liquid adding valve; 27. a chemical liquid tank; 28. stirring blades; 29. a rotating rod; 30. an upper quenching nozzle; 31. a second solenoid valve; 32. a water tank; 33. an air pump; 34. an air inlet pipe; 35. a water outlet nozzle; 36. a transverse water outlet pipe; 37. a chute; 38. a lifting plate; 39. a control panel; 40. a first temperature sensor; 41. a second temperature sensor.
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. 1-6, an embodiment of the present invention is shown: a surface heat treatment device suitable for large-size metal objects comprises a heat treatment chamber 4, wherein a first gate frame 11 is installed on one side of the heat treatment chamber 4, a second gate frame 6 is installed on the other side of the heat treatment chamber 4, a fixing plate 7 is installed at the top, close to one side of the heat treatment chamber 4, of the first gate frame 11 and the second gate frame 6, a second electric lifting rod 22 (the model of the second electric lifting rod 22 is J64RT2 UNIVER) is installed at the bottom of the fixing plate 7, a lifting plate 38 is installed at the bottom of the second electric lifting rod 22, a chemical liquid box 27 is installed at one side of the top of the lifting plate 38, a first electromagnetic valve 25 (the model of the first electromagnetic valve 25 is SCG551A001 MS) is installed at the bottom of one side of the chemical liquid box 27, a transverse chemical liquid pipe 8 is installed inside the lifting plate 38, the output end of the first electromagnetic valve 25 is communicated with the transverse chemical liquid pipe 8 through a water pipe, chemical liquid spray nozzles 9 penetrating into the heat treatment chamber 4 are evenly installed, an upper quenching spray pipe 30 is uniformly arranged at the bottom of the lifting plate 38, a lower quenching spray pipe 5 is uniformly arranged at the bottom end inside the heat treatment cavity 4, a cooling cavity 3 is arranged at one side of the second gate frame 6, a third gate frame 2 is arranged at one side of the cooling cavity 3, a water tank 32 is arranged at one side of the top of the cooling cavity 3, a second electromagnetic valve 31 (the model of the second electromagnetic valve 31 is SCG551A001 MS) is arranged at the bottom of one side of the water tank 32 through a water pipe, a transverse water outlet pipe 36 is arranged at the top end inside the cooling cavity 3, the second electromagnetic valve 31 is communicated with the transverse water outlet pipe 36 through a water pipe, a water outlet spray head 35 penetrating into the cooling cavity 3 is uniformly arranged at the bottom of the transverse water outlet pipe 36, an air suction pump 33 (the model of the air suction pump 33 is type) is arranged at one side of the top of the cooling cavity 3, the air suction pump 33 is communicated with the top of one side of the water, the inner sides of the first gate frame 11, the second gate frame 6 and the third gate frame 2 are provided with side fixing plates 20, the inner sides of the side fixing plates 20 are uniformly provided with conveying rollers 13 through rotating rods, one side of the conveying rollers 13 is provided with second circular gears 12 through rotating rods, the inner sides of the side fixing plates 20 are uniformly provided with first circular gears 14 matched with the second circular gears 12 through rotating rods, one end of the outer side of each side fixing plate 20 is provided with a motor 10 (the model of the motor 10 is Y90S-2), the output end of the motor 10 is fixed with the rotating rods in the conveying rollers 13 at one end of the inner side of each side fixing plate 20, the middle position of one side of the first gate frame 11 is provided with a control panel 39, and the control panel 39 is respectively connected with the motor 10, the first electromagnetic valve 25, the second electromagnetic valve 31, the air suction pump 33, the first electric lifting rod 21 and the second electric lifting rod 22 through leads, The opposite-emitting photosensor receiver 17 and the opposite-emitting photosensor emitter 16 are electrically connected.
In this implementation: the inner sides of the first gate frame 11, the second gate frame 6 and the third gate frame 2 are all provided with slide rails 19, and the inner sides of the slide rails 19 are all provided with gates 23, so that the sliding of the gates 23 is facilitated, and a good sealing effect is achieved, the middle positions of the top ends of the inner walls of the first gate frame 11, the second gate frame 6 and the third gate frame 2 are provided with first electric lifting rods 21, the output ends of the first electric lifting rods 21 are fixedly connected with the middle position of the top of the gates 23, so that the gates 23 can be driven to open and close, the bottoms of the inner walls of the first gate frame 11, the second gate frame 6 and the third gate frame 2 are provided with slots 18 which are matched with the gates 23, so that the sealing can be better performed, the heat diffusion is prevented, the middle positions of one sides of the first gate frame 11, the second gate frame 6 and the third gate frame 2 are all provided with a correlation photoelectric sensor emitter 16 and a correlation photoelectric sensor receiver 17, thereby being convenient for controlling the closing and opening of the gate 23, the rotating rod 29 is installed at the middle position inside the chemical liquid box 27 through the bearing, and the stirring blade 28 is evenly installed at the outer side of the rotating rod 29, thereby when the liquid in the chemical liquid box 27 flows out, the moving liquid drives the stirring blade 28 to rotate, thereby playing a certain role of stirring and mixing for the liquid, thereby enabling the solution to be more even, the flow monitoring meter 24 is installed at the top of the water pipe connecting the first electromagnetic valve 25 and the transverse chemical liquid pipe 8, thereby being convenient for detecting the usage amount of the chemical liquid, so as to better perform liquid adding, the water inlet valve 1 is installed at one side of the top of the water tank 32, and the chemical liquid adding valve 26 is installed at one side of the top of the chemical liquid box 27, thereby being convenient for adding liquid and closing the liquid adding port, preventing dust from falling in, the observation window 15 is installed at the middle position of one, thereby can play the effect of being convenient for observe, the inboard top of first portal 11, second portal 6 and third portal 2 is provided with the spout 37 with lifter plate 38 mutually supported, thereby can make the better slip of its lifter plate 38, and play good leakproofness, first temperature sensor 40 is installed to one side on the inside top in heat treatment chamber 4, and the second temperature sensor 41 is installed to one side on the inside top in cooling chamber 3, thereby be convenient for detect the temperature, form the automated control flow.
The working principle is as follows: before use, the device is powered on, when in use, a large-size metal object is placed at the top of the conveying roller 13, the motor 10 is turned on through the control panel 39, the conveying roller 13 is driven to rotate through the mutual matching of the first circular gear 14 and the second circular gear 12, so that the large-size metal object is driven to move, light emitted by the emitter of the correlation photoelectric sensor is shielded by the large-size metal object, the correlation photoelectric sensor receiver 17 acquires a signal and transmits the signal to the control panel 39, the first electric lifting rod 21 is started, the gate 23 is opened to send the large-size metal object into the heat treatment cavity 4, the surface of the large-size metal object is subjected to heating treatment through the lower quenching spray pipe 5 and the upper quenching spray pipe 30, meanwhile, the first electromagnetic valve 25 is turned on through the control panel 39, and chemical liquid is sprayed out from the chemical liquid spray head 9 under the action of gravity, the large-size metal object is vaporized and attached to the surface of the large-size metal object in the heat treatment chamber 4, when the temperature reaches a proper temperature, the signal is detected by the first temperature sensor 40 and transmitted to the control panel 39, the first electric lifting rod 21 below the second gate frame 6 is opened by the control panel 39, the large-size metal object after being heated is sent into the cooling chamber 3, the large-size metal object after passing through the second gate frame 6 shields the light emitted by the emitter of the correlation photoelectric sensor, the receiver 17 of the correlation photoelectric sensor obtains the signal, the signal is transmitted to the control panel 39, the first electric lifting rod 21 is started, the gate 23 is closed, the second electromagnetic valve 31 is opened by the control panel 39, water is sprayed out from the water spray nozzle 35 under the action of gravity, the temperature of the surface of the large-size metal object is reduced, the air suction pump 33 is opened by the control panel 39, the vaporized water vapor is pumped into the water tank 32, the water tank 32 is liquefied when the water vapor meets cold, when the water vapor reaches a proper temperature, a signal is transmitted to the control panel 39 through the second temperature sensor 41, the first electric lifting rod 21 below the third gate frame 2 is started, the gate 23 is opened, the processed large-size metal object is sent out, the large-size metal object passes through the third gate frame 2 and blocks light emitted by the emitter of the correlation photoelectric sensor, the receiver 17 of the correlation photoelectric sensor obtains the signal, the signal is transmitted to the control panel 39, the first electric lifting rod 21 is started, the gate 23 is closed, and when metal objects of different sizes pass through the third gate frame 2, the second electric lifting rod 22 is opened through the control panel 39, so that the height of the lifting plate 38 is adjusted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the invention are exemplary, but not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A surface heat treatment device suitable for large-size metal objects, comprising a heat treatment chamber (4), characterized in that: a first gate frame (11) is installed on one side of the heat treatment cavity (4), a second gate frame (6) is installed on the other side of the heat treatment cavity (4), a fixing plate (7) is installed at the top, close to one side of the heat treatment cavity (4), of the first gate frame (11) and the second gate frame (6), a second electric lifting rod (22) is installed at the bottom of the fixing plate (7), a lifting plate (38) is installed at the bottom of the second electric lifting rod (22), a chemical liquid box (27) is installed on one side of the top of the lifting plate (38), a first electromagnetic valve (25) is installed at the bottom of one side of the chemical liquid box (27), a transverse chemical liquid pipe (8) is installed inside the lifting plate (38), the output end of the first electromagnetic valve (25) is communicated with the transverse chemical liquid pipe (8) through a water pipe, and a chemical liquid spray head (9) penetrating through the inside of the heat treatment cavity (4) is evenly installed at the bottom of the transverse chemical liquid, quenching spray pipes (30) on the upper quenching spray pipe are uniformly installed at the bottom of the lifting plate (38), a lower quenching spray pipe (5) is uniformly installed at the bottom end inside the heat treatment cavity (4), a cooling cavity (3) is installed at one side of the second gate frame (6), a third gate frame (2) is installed at one side of the cooling cavity (3), a water tank (32) is installed at one side of the top of the cooling cavity (3), a second electromagnetic valve (31) is installed at the bottom of one side of the water tank (32) through a water pipe, a transverse water outlet pipe (36) is installed at the top end inside the cooling cavity (3), the second electromagnetic valve (31) is communicated with the transverse water outlet pipe (36) through a water pipe, a water outlet spray head (35) penetrating through the inside of the cooling cavity (3) is uniformly installed at the bottom of the transverse water outlet pipe (36), an air suction pump (33) is installed at one, and the air suction pump (33) is communicated with the top of one side of the water tank (32) through a water pipe, an air inlet pipe (34) penetrating into the cooling cavity (3) is installed at the output end of the air suction pump (33), a conveying roller (13) is uniformly installed on the inner side of the side fixing plate (20) through a rotating rod, a second circular gear (12) is installed on one side of the conveying roller (13) through a rotating rod, a first circular gear (14) matched with the second circular gear (12) is uniformly installed on the inner side of the side fixing plate (20) through a rotating rod, a motor (10) is installed at one end of the outer side of the side fixing plate (20), the output end of the motor (10) is fixed with the rotating rod inside the conveying roller (13) at one end of the inner side of the side fixing plate (20), the middle position department of first floodgate door frame (11) one side installs control panel (39), and control panel (39) pass through the wire respectively with motor (10), first solenoid valve (25), second solenoid valve (31), aspiration pump (33), first electric lift pole (21), second electric lift pole (22), correlation photoelectric sensor receiver (17) and correlation photoelectric sensor transmitter (16) electric connection.
2. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: the inner sides of the first gate frame (11), the second gate frame (6) and the third gate frame (2) are all provided with slide rails (19), and the inner sides of the slide rails (19) are all provided with gates (23).
3. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: the middle positions of the top ends of the inner walls of the first gate frame (11), the second gate frame (6) and the third gate frame (2) are provided with a first electric lifting rod (21), and the output end of the first electric lifting rod (21) is fixedly connected with the middle position of the top of the gate (23).
4. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: and the bottoms of the inner walls of the first gate frame (11), the second gate frame (6) and the third gate frame (2) are provided with inserting grooves (18) matched with the gates (23).
5. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: and the middle positions of one sides of the first gate frame (11), the second gate frame (6) and the third gate frame (2) are provided with a correlation photoelectric sensor emitter (16) and a correlation photoelectric sensor receiver (17).
6. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: a rotating rod (29) is installed at the middle position inside the chemical liquid box (27) through a bearing, and stirring blades (28) are evenly installed on the outer side of the rotating rod (29).
7. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: and a flow monitoring meter (24) is arranged at the top of the water pipe connected with the first electromagnetic valve (25) and the transverse chemical liquid pipe (8).
8. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: one side of the top of the water tank (32) is provided with a water inlet valve (1), and one side of the top of the chemical liquid tank (27) is provided with a chemical liquid charging valve (26).
9. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: an observation window (15) is arranged in the middle of one side of the heat treatment cavity (4) and one side of the cooling cavity (3).
10. A surface heat treatment apparatus suitable for a large-sized metal object according to claim 1, wherein: the tops of the inner sides of the first gate frame (11), the second gate frame (6) and the third gate frame (2) are provided with sliding chutes (37) matched with the lifting plate (38); a first temperature sensor (40) is installed on one side of the top end in the heat treatment cavity (4), and a second temperature sensor (41) is installed on one side of the top end in the cooling cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010604923.3A CN111690792A (en) | 2020-06-29 | 2020-06-29 | Surface heat treatment device suitable for large-size metal object |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010604923.3A CN111690792A (en) | 2020-06-29 | 2020-06-29 | Surface heat treatment device suitable for large-size metal object |
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| CN111690792A true CN111690792A (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754240A (en) * | 2021-09-22 | 2021-12-07 | 江苏德康医疗器械有限公司 | Bioactive glass preparation facilities |
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| US20170058374A1 (en) * | 2015-08-24 | 2017-03-02 | Jtekt Corporation | Hardening Method of Annular Workpiece |
| CN206069937U (en) * | 2016-08-29 | 2017-04-05 | 四川齐飞铝业有限公司 | A kind of high-efficient aluminium alloy section bar press quenching device |
| CN107354278A (en) * | 2017-08-22 | 2017-11-17 | 大连理工大学 | A kind of aerosol Quenching Production Line and its production technology for obtaining intensity adjustable automobile structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121063A (en) * | 2010-07-29 | 2011-07-13 | 边新孝 | Square or flat material production line jet cooling system |
| US20170058374A1 (en) * | 2015-08-24 | 2017-03-02 | Jtekt Corporation | Hardening Method of Annular Workpiece |
| CN206069937U (en) * | 2016-08-29 | 2017-04-05 | 四川齐飞铝业有限公司 | A kind of high-efficient aluminium alloy section bar press quenching device |
| CN107354278A (en) * | 2017-08-22 | 2017-11-17 | 大连理工大学 | A kind of aerosol Quenching Production Line and its production technology for obtaining intensity adjustable automobile structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113754240A (en) * | 2021-09-22 | 2021-12-07 | 江苏德康医疗器械有限公司 | Bioactive glass preparation facilities |
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Application publication date: 20200922 |
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| RJ01 | Rejection of invention patent application after publication |