CN201785448U - Equipment for heating processing of lockset material - Google Patents

Equipment for heating processing of lockset material Download PDF

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Publication number
CN201785448U
CN201785448U CN2010202126092U CN201020212609U CN201785448U CN 201785448 U CN201785448 U CN 201785448U CN 2010202126092 U CN2010202126092 U CN 2010202126092U CN 201020212609 U CN201020212609 U CN 201020212609U CN 201785448 U CN201785448 U CN 201785448U
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CN
China
Prior art keywords
quenching
temperature
furnace
lockset
equipment
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Expired - Fee Related
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CN2010202126092U
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Chinese (zh)
Inventor
罗绍康
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NINGBO JIWEI INVESTMENT CASTING CO Ltd
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NINGBO JIWEI INVESTMENT CASTING CO Ltd
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Abstract

The utility model discloses equipment for heating processing of lockset material. The equipment includes a heating processing system and a transporting system; along the transporting system, the heating processing system is provided with a normalizing furnace capable of setting heating temperature and keeping time, a quenching furnace, and a tempering furnace sequentially; a quenching bath, which can set cooling temperature and keeping time and is provided with a cooling medium as a water-soluble quenching liquid, is further arranged between the quenching furnace and the tempering furnace; and the normalizing furnace, the quenching furnace and the tempering furnace can be equipped with a time device for detecting the time that the lockset material stays in the furnaces. The equipment for heating processing has the characteristics of simple structure, high degree of automation, convenience for operation, and small environmental pollution.

Description

Lockset material hot treatment equipment
Technical field
The utility model relates to a kind of equipment that the lockset material is heat-treated.
Background technology
Material, steel alloy for example, intensity, hardness, plasticity and toughness unity of contradictions body normally.Select rational alloying constituent and content to reach preferred alloy material, be the direction of making great efforts in the industry always.At a particular job requirement of Ship's Container lockset, selecting rational strength, hardness and plasticity and toughness material is exactly technical problem to be solved in this area.
Available technology adopting 42CrMo material and simultaneously in addition corresponding thermal treatment process are with the material as lockset.Wherein thermal treatment comprises:
One, normalizing: in the meshbeltfurnace, 900 ℃ ± 10 ℃ of normalizing temperatures, soaking time air cooling after 120 minutes;
Two, quench: in the meshbeltfurnace, 890 ℃ ± 10 ℃ of quenching temperatures, soaking time oil cooling after 120 minutes;
Three, tempering: in the meshbeltfurnace, 630 ℃ ± 10 ℃ of tempering temperatures, soaking time water cooling after 180 minutes.
But material of the prior art and corresponding thermal treatment process thereof still have deficiency.For example, what current material 42CrMo adopted is the steel alloy with noble metal, and its material cost is higher; Simultaneously, in the heat treatment process, after particularly quenching, its bent crystal martensite volume begins to increase, and plasticity, toughness are relatively poor; Moreover the technology in the thermal treatment is comparatively complicated, the high while thermal treatment of cost easily produces more environmental pollution.Above technical problem all remains new technology it is solved.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of novel lockset material hot treatment equipment.Wherein said material is 25CrMnSi.Its Equipment for Heating Processing comprises: lockset material hot treatment equipment, it comprises: heat treatment system with described lockset material is transported the haulage system that is connected between described heat treatment system, described heat treatment system has successively along described haulage system: normalizing furnace, quenching furnance, the tempering stove that can set the Heating temperature and the residence time; Between described quenching furnance and described tempering stove, also have can set the cooling temperature and the residence time, be equipped with the quenching tank that heat-eliminating medium is a water-soluble quenching liquid; Described normalizing furnace, quenching furnance or tempering stove can be provided with and detect described lockset material and rest on time device in the above-mentioned stove.
The utlity model has the level of automation height, be convenient to its whole process is carried out long-range and on-the-spot process control, guaranteed the advantage of carrying out smoothly of thermal treatment process, simultaneously owing to adopt quenching tank with water-soluble quenching liquid, also guarantee the advantage in the environmental protection, be suitable for making processing high strength, high-ductility alloy steel.
Description of drawings
Fig. 1 is the synoptic diagram of this Equipment for Heating Processing.
Embodiment
For solving the problems of the technologies described above, the utility model provides a kind of novel lockset material hot treatment equipment.Wherein said material is 25CrMnSi.This material has been avoided the comparatively use of expensive alloyed metal element of the prior art, makes the metal cost reduce.Simultaneously, present technique 25CrMnSi quenches the back tissue based on martensite as soft steel (carbon content is smaller or equal to 0.30%), low alloy steel, can guarantee to possess high-ductility, toughness simultaneously under the prerequisite of intensity with prior art and hardness.And the carbon content of the 42CrMo of prior art is greater than 0.30%, and after quenching, bent crystal martensite volume begins to increase, and plasticity, toughness are relatively poor under identical intensity, stiffness conditions.Therefore the use of present technique 25CrMnSi material had both guaranteed the requirement of mechanical property, had also reached reduction metal cost, and the purpose of subsequent heat treatment cost.
What this creation provided comprises with the corresponding thermal treatment process of above-mentioned technologic material 25CrMnSi:
One, normalizing: in the producer gas generator, 920 ℃ ± 10 ℃ of temperature, soaking time air cooling after 120 minutes;
Two, quench: in the meshbeltfurnace, 880 ℃ ± 10 ℃ of temperature, soaking time water cooling after 180 minutes;
Three, tempering: in the pit furnace, air cooling is but after 180 minutes for 610 ℃ ± 10 ℃ of temperature, soaking time.
Corresponding, the utility model provides a kind of lockset material hot treatment equipment, comprise: lockset material hot treatment equipment, it comprises: heat treatment system with described lockset material is transported the haulage system that is connected between described heat treatment system, described heat treatment system has successively along described haulage system: normalizing furnace, quenching furnance, the tempering stove that can set the Heating temperature and the residence time; Between described quenching furnance and described tempering stove, also have can set the cooling temperature and the residence time, be equipped with the quenching tank that heat-eliminating medium is a water-soluble quenching liquid; Described normalizing furnace, quenching furnance or tempering stove can be provided with and detect described lockset material and rest on time device in the above-mentioned stove.
Normalizing furnace, quenching furnance or tempering stove are provided with a plurality of heating zone along described haulage system described in the above-mentioned lockset material hot treatment equipment; Described each heating zone can be provided with the device for monitoring temperature that is used for described heating zone is realized demonstration, record and the remote reporting of temperature.
As shown in Figure 1, Equipment for Heating Processing comprises in an embodiment:
1, normalizing furnace 1: temperature can be set as 920 ℃ ± 10 ℃, and the residence time can be set as 120 minutes normalizing furnace 1.
During normalizing, place temperature to be lower than 100 ± 10 ℃ 1 li of normalizing furnace lockset material 8, be warmed up to 920 ℃ ± 10 ℃, be incubated 120 minutes, when temperature is lower than 600 ℃, come out of the stove, place the first air cooling place I then, carry out the air cooling first time;
Preferred normalizing furnace is divided into 7 heating zone, and each Heating Zone Temperature is set at 920 ℃ ± 10 ℃.Lockset material 8 workpiece that a plurality of sizes that are prefabricated into normalizing furnace 1 adapt are according to batch by above-mentioned 7 heating zone, and be heated intensification, and successive is incubated in above-mentioned 7 heating zone successively, so that lockset material 8 obtains the soaking time of useful length in normalizing furnace.Heating zone quantity also can be other quantity, its determine according to one of be to adapt time with the required heating of workpiece, to guarantee the requirement that adds heat request and large scale continuous prod of workpiece.
Simultaneously for reaching the purpose of automatic production and more effective control normalizing operation, in 7 above-mentioned heating zone, can be provided with temperature monitoring apparatus 9, with demonstration, record and the remote reporting of realization temperature, and the further timely adjustment that realizes the normalizing furnace temperature.Preferably, one, two, three, four, the slender acanthopanax hot-zone adopts the TCW-32A three phase voltage regulating, six or seven districts are with digital displaying meter temperature indicating degree, and each is distinguished all EL-100-60 multipoint recorder displayed record temperature.Lockset material 8 is come out of the stove after 120 minutes in insulation, places the first air cooling place I then, carries out the air cooling first time.
2, quenching furnance 2 and quenching tank 7: described quenching stove is: 880 ℃ ± 10 ℃ of temperature, soaking time 180 minutes.Preferably, temperature can be set as 550 ± 10 ℃ and 880 ± 10 ℃, and the corresponding residence time can be set as the quenching furnance 2 of 60 ± 5 minutes and 120 ± 5 minutes; Cooling back product temperature is made as 300 ℃, and being equipped with heat-eliminating medium is the quenching tank 7 of water-soluble quenching liquid 3.
During quenching, place temperature to be lower than in 100 ± 10 ℃ the quenching furnance aforementioned through the lockset material 8 of air cooling for the first time, then temperature raise and be controlled at be incubated 60 ± 5 minutes in 550 ± 10 ℃ the quenching furnance 2 after, continue to be warmed up to 880 ± 10 ℃ then, be incubated 120 ± 5 minutes.Taking-up places quenching tank 7 to quench, and heat-eliminating medium is a water-soluble quenching liquid 3, and lockset material 8 cold causing are then transported quenching tank 7 about 300 ℃.
Preferred quenching furnance is made up of 5 heating zone, and each Heating Zone Temperature controls to 550 ± 10 ℃ and 880 ± 10 ℃.The corresponding residence time of workpiece is inserted quenching tank 7 after can being set as 60 ± 5 minutes and 120 ± 5 minutes automatically, quenches.Can be provided with temperature monitoring apparatus 9 in each heating zone, with demonstration, record and the remote reporting of realization temperature, and the further timely adjustment that realizes the quenching furnance temperature.Preferably, each heating zone can be provided with the master control of digital display intelligent temperature controller, multipoint recorder centralized recording and monitoring.In addition, heating zone quantity also can be other quantity, its determine according to one of be to adapt time with the required heating of workpiece, to guarantee the requirement that adds heat request and large scale continuous prod of workpiece.
The heat-eliminating medium that adopts that quenches is a water-soluble quenching liquid 3.Preferably be furnished with PVA10%, three hexanol amine 1%, phenylformic acid receives 0.2%, the water-soluble quenching liquid of alizarin assistant 0.2%.For realizing further automatic production, the quenchant system 5 that is connected with quenching tank 7 can adopt has the higher systemic circulation form of automatic capability, and is furnished with special agitating function, guarantees supplying with stable continuously of hardening liquid.Temperature before hardening liquid 3 quenches can be normal temps, for example below 30 degree.Lockset material 8 in hardening liquid 3 residence time 8-25 minute, detect the cooling temperature of workpiece by the temperature monitoring apparatus in the quenching tank 79, cause about 300 ℃ when workpiece is cold, by quenching tank 7 lift travelling belts workpiece is sent quenching tank 7 to area I I place then, carry out temper then.
3, tempering stove 4: temperature can be set as 610 ± 10 ℃, and the residence time can be set as 180 minutes tempering stove 4.
During tempering, place temperature to be lower than 50 ± 10 ℃ 4 li of tempering stoves through the lockset material 8 that quenches, be warmed up to 610 ± 10 ℃, be incubated taking-up in 180 minutes, place the second air cooling place III then, carry out air cooling aforementioned.
Preferred tempering stove: is made up of 5 heating zone, each Heating Zone Temperature is raised to 610 ± 10 ℃, be incubated the air cooling that carries out of taking-up in 180 minutes.The quantity of heating zone can be selected other quantity equally for these reasons, and each heating zone can be provided with the master control of digital display intelligent temperature controller, the multipoint recorder centralized recording is also monitored equitemperature watch-dog 9, to realize demonstration, record and the remote reporting of temperature.
4, haulage system: it transports connection with described lockset material between described heat treatment system, to realize described lockset material hot treatment technology.
It comprises as the lower section: as described in will coming from normalizing furnace 1 as described in lockset material 8 be transported to the first air cooling place I, be transported to the first transportation equipment A of described quenching furnance 2 again; To come from the described described lockset material 8 that moves back quenching furnance 2 and be transported to described quenching tank 7 coolings, be transported to the second transportation equipment B at area I I place again; Described lockset material 8 is transported to described tempering stove 4, is transported to the 3rd transportation equipment C of the second air cooling place III again.For example adopt lifting rig, conveying belt isoline transportation equipment etc.
In addition, this Equipment for Heating Processing also is furnished with the described lockset material of detection in the above-mentioned zone that needs the time to control and rests on the timing device 10 of time in the above-mentioned stove, and can realize demonstration, record and the remote reporting of time, is convenient to the increasingly automated of whole production.
As further improving; also has upper control unit 6 in this Equipment for Heating Processing; normalizing furnace 1 in the native system; quenching furnance 2 and quenching tank 7; quenchant system 5; tempering stove 4 and haulage system can be respectively or wired or wireless 11 the form passed through simultaneously be connected with upper control unit 6; so that upper control unit 6 can obtain the data signal that timing device 10 in the native system and temperature monitoring apparatus 9 send; and in time adjust the temperature and the residence time in the stove; and control haulage system matches with it and in time transports, and realizes that finally the system of extensiveization of total system controls automatically.
From the introduction of above-mentioned thermal treatment process and equipment thereof as can be known, in the normalizing stage, adopted the normalizing temperature that is higher than prior art 42CrMo at present technique 25CrMnSi, its effective result changes foundry goods internal tree dendrite, crystal grain thinning, the mechanical property of comparatively being improved.
In present technique, quench simultaneously adopt water-cooled, tempering air cooling these not only prior art costs are low relatively, also farthest avoided environmental pollution simultaneously, simultaneously corresponding treating processes simple optimizing, equipment cost are low.Above-mentioned Equipment for Heating Processing has: automatically the degree height, be convenient to its whole process is carried out long-range and on-the-spot process control, guaranteed that the described lockset material that carries out smoothly, makes of thermal treatment process reaches required mechanical property, pollutes characteristics such as little.
Adopt the material that is obtained after the above-mentioned technology, its tensile strength satisfies: 850MPa, yield strength satisfies: 700MPa, hardness HB:240-280, when the machinery that satisfies the lockset material requires, have low, the good proper intensity of metal cost, hardness, plasticity and toughness and thermal processing equipment is simple, easy to operate, environmental pollution is little characteristics.
The embodiment that is disclosed in the utility model will obtain embodying and protection by claim, and will be any according to resulting enlightenment in the utility model, all fall among the scope that the utility model protects.

Claims (2)

1. lockset material hot treatment equipment, it is characterized in that, comprise: heat treatment system with described lockset material is transported the haulage system that is connected between described heat treatment system, described heat treatment system has successively along described haulage system: normalizing furnace, quenching furnance, the tempering stove that can set the Heating temperature and the residence time; Between described quenching furnance and described tempering stove, also have can set the cooling temperature and the residence time, be equipped with the quenching tank that heat-eliminating medium is a water-soluble quenching liquid; Described normalizing furnace, quenching furnance or tempering stove can be provided with and detect described lockset material and rest on time device in the above-mentioned stove.
2. lockset material hot treatment equipment according to claim 1, it is characterized in that: described normalizing furnace, quenching furnance or tempering stove are provided with a plurality of heating zone along described haulage system; Described each heating zone can be provided with the device for monitoring temperature that is used for described heating zone is realized demonstration, record and the remote reporting of temperature.
CN2010202126092U 2010-05-31 2010-05-31 Equipment for heating processing of lockset material Expired - Fee Related CN201785448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202126092U CN201785448U (en) 2010-05-31 2010-05-31 Equipment for heating processing of lockset material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202126092U CN201785448U (en) 2010-05-31 2010-05-31 Equipment for heating processing of lockset material

Publications (1)

Publication Number Publication Date
CN201785448U true CN201785448U (en) 2011-04-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113293264A (en) * 2020-02-24 2021-08-24 重庆欣天利智能重工有限公司 Automatic control equipment and method for continuous cycle quenching and tempering

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113293264A (en) * 2020-02-24 2021-08-24 重庆欣天利智能重工有限公司 Automatic control equipment and method for continuous cycle quenching and tempering

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110406

Termination date: 20130531