CN111826502A - Quenching device and quenching method - Google Patents

Quenching device and quenching method Download PDF

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Publication number
CN111826502A
CN111826502A CN202010092546.XA CN202010092546A CN111826502A CN 111826502 A CN111826502 A CN 111826502A CN 202010092546 A CN202010092546 A CN 202010092546A CN 111826502 A CN111826502 A CN 111826502A
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China
Prior art keywords
workpiece
quenching
quenching apparatus
solution treatment
present
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CN202010092546.XA
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Chinese (zh)
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CN111826502B (en
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铃木章史
坂本仁
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Farnese Heavy Industries Co ltd
Ryobi Ltd
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Farnese Heavy Industries Co ltd
Ryobi Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613Gases; Liquefied or solidified normally gaseous material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006Details, accessories not peculiar to any of the following furnaces
    • C21D9/0018Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

The invention provides a quenching apparatus and a quenching method, wherein blast quenching is uniformly performed on a plurality of workpieces subjected to solution treatment in each of the plurality of workpieces, so that the workpieces with uniform quality in each of the plurality of workpieces are obtained. The quenching apparatus (20) is an apparatus for quenching a workpiece (W) after solution treatment taken out from a solution treatment furnace (10), the solution treatment furnace (10) has a plurality of workpiece storage chambers (11) arranged in a ring-like arrangement and stacked in the vertical direction and a plurality of workpiece take-out ports (12) corresponding to the workpiece storage chambers (11), and the quenching apparatus (20) is provided so as to be movable in correspondence with the positions of the workpiece take-out ports (12).

Description

Quenching device and quenching method
Technical Field
The present invention relates to a quenching apparatus and a quenching method used for quenching a workpiece taken out of a solution treatment furnace.
Background
Heat treatment of metals which is industrially performed is mainly performed using a furnace. For example, as the kind of furnace used for heat treatment of aluminum alloy, a hot air circulation type furnace is used for the purpose of reducing variation in temperature in the furnace and stabilizing the quality, and a multi-stage hearth rotary furnace is used for the purpose of saving the space of a heat treatment facility. Recently, a hot air circulation type multi-stage rotary hearth furnace having the above-described features is used for heat treatment of metals such as aluminum alloys. As a prior art document showing an embodiment of such a heat treatment furnace, for example, patent document 1 below and the like are available.
However, in the case of heat-treating alloy metals such as aluminum alloys, in order to obtain a certain molded product by bending or press working among consumers, it is often the case that a soft material is subjected to solution treatment and then air-quench after being subjected to molding. That is, a metal such as an aluminum alloy solution-treated by a hot air circulating type multi-stage hearth rotary furnace disclosed in patent document 1 and the like is quenched by subsequent blast quenching.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2008-138916
However, in the conventional techniques disclosed in patent document 1 and the like, it is difficult to uniformly perform the blast quenching on the plurality of workpieces subjected to the solution treatment in each of the plurality of workpieces, and there is room for improvement in the quenching process by the blast quenching for obtaining the workpiece having a uniform quality in each of the plurality of workpieces.
Disclosure of Invention
Problems to be solved by the invention
The present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a quenching apparatus capable of performing the following quenching process by blast quenching: the air-blast hardening can be performed uniformly on the plurality of works subjected to the solution treatment in each of the plurality of works, and as a result, the works having uniform quality in each of the plurality of works can be obtained.
Means for solving the problems
The present invention will be explained below. For the convenience of understanding, the present invention is indicated by reference numerals in parentheses, but the present invention is not limited to the embodiments shown in the drawings.
A quenching apparatus (20) for quenching a solution-treated workpiece (W) taken out of a solution treatment furnace (10), wherein the solution treatment furnace (10) has a plurality of workpiece storage chambers (11) and a plurality of workpiece take-out ports (12) corresponding to the workpiece storage chambers (11), and the quenching apparatus (20) is provided so as to be movable in accordance with the positions of the workpiece take-out ports (12).
Another quenching apparatus (20) of the present invention is a quenching apparatus (20) for quenching a solution-treated workpiece (W) taken out of a solution treatment furnace (10), wherein the solution treatment furnace (10) has a plurality of workpiece storage chambers (11) arranged in a ring-like arrangement and stacked in the vertical direction and a plurality of workpiece take-out ports (12) corresponding to the workpiece storage chambers (11), and the quenching apparatus (20) is provided so as to be movable in accordance with the positions of the workpiece take-out ports (12).
The quenching apparatus (20) of the present invention may have a workpiece storage section (21) for storing the workpiece (W) taken out from the workpiece take-out port (12), and the quenching apparatus (20) may have an air cooling fan (22) for air-cooling the workpiece (W) stored in the workpiece storage section (21).
In the quenching apparatus (20) of the present invention, a shutter (24) that can be opened and closed may be provided in the workpiece storage section (21) at a position where the workpiece (W) is loaded and unloaded.
The quenching apparatus (20) of the present invention may further include a rectifying plate (23) for rectifying the flow of air generated by the air cooling fan (22).
In the quenching apparatus (20) according to the present invention, a plurality of the workpiece take-out ports (12) may be provided in the vertical direction of the solution treatment furnace (10), and the quenching apparatus (20) may be provided so as to be movable up and down in accordance with the position of the workpiece take-out port (12).
The quenching method of the present invention is characterized in that the quenching treatment is performed using the above-described quenching apparatus (20).
Effects of the invention
According to the present invention, there can be realized a quenching apparatus capable of performing the following quenching process by blast quenching: the air-blast hardening can be performed uniformly on the plurality of works subjected to the solution treatment in each of the plurality of works, and as a result, the works having uniform quality in each of the plurality of works can be obtained.
Drawings
Fig. 1 is a plan view showing a configuration example of a quenching apparatus according to the present embodiment.
Fig. 2 is a front view showing a configuration example of the quenching apparatus of the present embodiment.
Fig. 3 is a schematic diagram for explaining a quenching method using the quenching apparatus of the present embodiment.
Fig. 4 is a schematic diagram for explaining a quenching method using the quenching apparatus of the present embodiment.
Fig. 5 is a schematic diagram for explaining a quenching method using the quenching apparatus of the present embodiment.
Fig. 6 is a schematic diagram for explaining a quenching method using the quenching apparatus of the present embodiment.
Fig. 7 is a schematic diagram for explaining a quenching method using the quenching apparatus of the present embodiment.
Fig. 8 is a schematic diagram for explaining a quenching method using the quenching apparatus of the present embodiment.
Description of reference numerals:
10 solution treatment furnace, 11 workpiece storage chamber, 12 workpiece take-out port, 13 movable cover, 20a, 20b quenching apparatus, 21 workpiece storage part, 22 air cooling fan, 23 rectifying plate, 24 gate, 25 motor, 26 chain, 30 multi-joint robot arm, 31 main body part, 32a, 32b, 32c, 32d arm tip part, W workpiece.
Detailed Description
Preferred embodiments for carrying out the present invention will be described below with reference to the accompanying drawings. The following embodiments do not limit the inventions according to the respective aspects, and all combinations of features described in the embodiments are not essential to the means for solving the inventions.
First, the structure of the quenching apparatus according to the present embodiment will be described with reference to fig. 1 and 2. Here, fig. 1 is a plan view showing a configuration example of the quenching apparatus of the present embodiment. Fig. 2 is a front view showing a configuration example of the quenching apparatus according to the present embodiment. Fig. 2 is a view of the quenching apparatus according to the present embodiment as viewed from the lower side of the sheet of fig. 1 to the upper side.
As shown in fig. 1, in the present embodiment, two quenching apparatuses 20a and 20b are provided for one solution treatment furnace 10.
Here, in the case of describing the solution treatment furnace 10 provided with the quenching apparatuses 20(20a, 20b) according to the present embodiment, the solution treatment furnace 10 according to the present embodiment includes a plurality of workpiece storage chambers 11 arranged in a ring shape. Further, the plurality of workpiece storage chambers 11 are configured to be stacked in the vertical direction, and in the case of the solution treatment furnace 10 of the present embodiment shown in fig. 1, the workpiece storage chambers 11 arranged in a ring shape in the 1 stage are configured to be 16 chambers, and the workpiece storage chambers 11 having 16 chambers in the 1 stage are stacked in the vertical direction in the 6 stages.
In the workpiece storage chamber 11 having 16 × 6 stages or 96 chambers, a plurality of workpiece ejection ports 12 corresponding to the workpiece storage chamber 11 are formed at each stage. Further, a movable lid 13 for closing and opening each of the plurality of workpiece ejection ports 12 is disposed. That is, the movable lid 13 can close the workpiece ejection port 12 to close the ejection port as shown on the left side of the drawing sheet of fig. 1, and can be separated from the workpiece ejection port 12 to open the ejection port as shown on the right side of the drawing sheet of fig. 1.
In the solution treatment furnace 10 of the present embodiment, the workpiece ejection port 12 shown on the left side of the drawing sheet of fig. 1 is the workpiece ejection port 12 provided in the 2 nd, 4 th, and 6 th stages, and the workpiece ejection port 12 shown on the right side of the drawing sheet of fig. 1 is the workpiece ejection port 12 provided in the 1 st, 3 th, and 5 th stages. That is, in the solution treatment furnace 10 of the present embodiment, one workpiece ejection port 12 is provided at each stage for a 16-chamber workpiece storage chamber 11 that is arranged in a ring-like arrangement in a stacked arrangement of 6 stages above and below, a movable lid 13 is disposed for each workpiece ejection port 12 at each stage, and the workpiece ejection ports 12 are provided alternately at each stage when the solution treatment furnace 10 is viewed in the vertical direction.
The solution treatment furnace 10 is provided with two quenching apparatuses 20a and 20 b. In the present embodiment, the quenching apparatus 20b shown on the left side of the drawing sheet of fig. 1 is provided at the 1 st, 3 rd, and 5 th workpiece ejection ports 12, and the quenching apparatus 20a shown on the right side of the drawing sheet of fig. 1 is provided at the 2 nd, 4 th, and 6 th workpiece ejection ports 12. That is, in the present embodiment, the quenching apparatuses 20a and 20b and the workpiece extraction port 12 are arranged to intersect each other in a manner that each stage is reversed left to right. This configuration is intended to obtain a wire for smoother transfer of the workpiece W from the workpiece ejection port 12 to the quenching apparatuses 20a and 20b by the articulated robot arm 30 described later.
As shown in fig. 2, the quenching apparatuses 20a and 20b of the present embodiment are provided with 1 quenching apparatus 20b for the 1 st, 3 rd, and 5 th stages shown on the left side of the drawing sheet of fig. 2, 1 quenching apparatus 20a for the 2 nd, 4 th, and 6 th stages shown on the right side of the drawing sheet of fig. 2, and the two quenching apparatuses 20a and 20b are vertically movable in accordance with the position of the workpiece ejection port 12. That is, the quenching apparatuses 20b for the 1 st, 3 rd, and 5 th stages shown on the left side of the drawing sheet in fig. 2 can be stopped at positions having substantially the same height as the workpiece ejection ports 12 provided for the 1 st, 3 rd, and 5 th stages, and the quenching apparatuses 20a for the 2 nd, 4 th, and 6 th stages shown on the right side of the drawing sheet in fig. 2 can be stopped at positions having substantially the same height as the workpiece ejection ports 12 provided for the 2 nd, 4 th, and 6 th stages. The vertical movement of the quenching apparatuses 20a and 20b is realized by a moving mechanism based on a motor 25 and a chain 26.
Further, the quenching apparatuses 20a and 20b of the present embodiment have a workpiece storage section 21 for storing the workpieces W taken out from the workpiece take-out port 12 of the solution treatment furnace 10, and an air cooling fan 22 for air-cooling the workpieces W stored in the workpiece storage section 21 is provided at a position above the workpiece storage section 21.
Two rectifying plates 23 for rectifying the flow of air generated by the air-cooling fan 22 are disposed directly below the air-cooling fan 22, and a shutter 24 that can be opened and closed is provided at a portion of the workpiece storage 21 where the workpiece W is loaded and unloaded. By the action of the air cooling fan 22, the rectifying plate 23, and the shutter 24, the air appropriately rectified can be fed to the workpiece W carried out of the solution treatment furnace 10 in the workpiece storage 21 storing the workpiece W, and therefore, the quenching process by the blast quenching can be performed under uniform conditions in each workpiece storage 21.
The above-described loading and unloading of the workpiece W into and from the workpiece storage chamber 11 of the solution treatment furnace 10 and the loading and unloading of the workpiece W into and from the workpiece storage section 21 of the quenching apparatuses 20a and 20b can be performed by the articulated robot arm 30 disposed in a substantially middle portion of the two quenching apparatuses 20a and 20 b. In fig. 1, the body portion 31 of the articulated robot arm 30 and the arm distal end portion 32 of the articulated robot arm 30 are separately illustrated for convenience of explanation, but the body portion 31 and the arm distal end portion 32 should be in a state of being connected, and the arm distal end portion 32 indicated by reference numerals 32a to 32d shows an example of positions that can be obtained by the arm distal end portion 32.
That is, as shown in fig. 1, the arm tip portion 32 of the articulated robot arm 30 according to the present embodiment can acquire the insertion position of the workpiece W indicated by reference numeral 32b with respect to the workpiece storage chamber 11, the removal position of the workpiece W indicated by reference numeral 32c from the workpiece storage chamber 11, the removal position of the workpiece W indicated by reference numeral 32d, and the like from the loading position of the workpiece W indicated by reference numeral 32 a. Further, the workpiece W can be taken out from the workpiece storage chamber 11 indicated by reference numeral 32c and inserted into the workpiece storage portion 21 of the quenching apparatus 20 a. In this way, in the present embodiment, conveyance of the workpiece W during the quenching process in which the workpiece W is subjected to the solution treatment and the air-blast quenching can be performed by 1 articulated robot arm 30.
The structure of the quenching apparatus 20(20a, 20b) of the present embodiment is explained above. Next, a quenching method using the quenching apparatus 20(20a, 20b) described above will be described with reference to fig. 3 to 8. Here, fig. 3 to 8 are schematic diagrams for explaining a quenching method using the quenching apparatus of the present embodiment. Note that, in the articulated robot arm 30 in fig. 4 to 8, for convenience of explanation, the main body portion 31 of the articulated robot arm 30 is omitted, and only the arm tip portion 32 of the articulated robot arm 30 is shown.
Fig. 3 shows a state in which the arm tip portion 32 of the articulated robot arm 30 is to pick up and convey the workpiece W located at the carry-in position. At this time, the movable lid 13 of the workpiece ejection port 12 provided on the right side of the sheet of the 1 st, 3 rd, and 5 th stages of the solution treatment furnace 10 is opened, and the workpiece ejection port 12 of the workpiece storage chamber 11 of the 1 st, 3 th, and 5 th stages is opened.
Next, as shown in fig. 4, the arm tip portion 32 of the articulated robot arm 30 conveys the workpiece W, and carries the workpiece W into the workpiece storage chambers 11 of the 1 st, 3 rd, and 5 th stages. Then, the arm tip portion 32 is retracted from the inside of the workpiece storage chamber 11 and the movable lid 13 is closed, thereby performing the solution treatment of the workpiece W in the solution treatment furnace 10.
Similarly to fig. 4, the arm tip portion 32 of the articulated robot arm 30 also carries the workpiece W in the workpiece storage chambers 11 of the 2 nd, 4 th, and 6 th stages shown in fig. 5, and carries the workpiece W in the workpiece storage chambers 11 of the 2 nd, 4 th, and 6 th stages. Then, the arm tip portion 32 is retracted from the inside of the workpiece storage chamber 11 and the movable lid 13 is closed, thereby performing the solution treatment of the workpiece W in the solution treatment furnace 10.
Then, the work W having been subjected to the solution treatment is sequentially carried out of the solution treatment furnace 10. For example, as shown in fig. 6, the movable lid 13 that closes the workpiece outlet 12 of the 1 st, 3 rd, and 5 th-stage workpiece storage chambers 11 is opened, and the workpiece W that has been subjected to the solution treatment and is located in the 1 st, 3 rd, and 5 th-stage workpiece storage chambers 11 is discharged to the outside of the furnace through the arm tip portion 32. Then, the workpieces W carried out of the workpiece storage chambers 11 of the 1 st, 3 rd, and 5 th stages are carried into the workpiece storage sections 21 formed in the quenching apparatuses 20b for the 1 st, 3 rd, and 5 th stages. At this time, the quenching apparatus 20b is controlled by the control device, not shown, to move to the height position corresponding to the number of stages of the workpiece ejection port 12 as the destination of the unloading, and therefore the arm tip portion 32 of the articulated robot arm 30 that transfers the workpiece W can transfer the workpiece W without substantially changing the position in the height direction. Further, since the quenching apparatus 20b and the workpiece ejection port 12 are disposed so as to intersect each other in a left-right reversed manner in plan view, the workpiece W is smoothly transferred from the workpiece ejection port 12 to the quenching apparatus 20b by the articulated robot arm 30. In the quenching apparatus 20b into which the workpiece W is inserted, the air-cooling fan 22, the rectifying plate 23, and the shutter 24 shown in fig. 2 function to feed the suitably rectified wind to the workpiece W conveyed out of the solution treatment furnace 10 in the workpiece storage 21 in which the workpiece W is stored, so that quenching processing by blast quenching can be performed under uniform conditions in each workpiece storage 21.
On the other hand, the same processing as that of fig. 6 can be performed on the workpiece W after the solution treatment in the workpiece storage chamber 11 of the 2 nd, 4 th, and 6 th stages shown in fig. 7. That is, as shown in fig. 7, the movable lid 13 that closes the workpiece outlet 12 of the workpiece storage chambers 11 of the 2 nd, 4 th, and 6 th stages is opened, and the workpiece W that has been subjected to the solution treatment and is located in the workpiece storage chambers 11 of the 2 nd, 4 th, and 6 th stages is carried out of the furnace through the arm tip portion 32. Then, the workpieces W carried out of the workpiece storage chambers 11 of the 2 nd, 4 th, and 6 th stages are carried into the workpiece storage sections 21 formed in the quenching apparatuses 20a for the 2 nd, 4 th, and 6 th stages. At this time, the quenching apparatus 20a is controlled by the control device, not shown, to move to the height position corresponding to the number of stages of the workpiece ejection port 12 as the destination of the unloading, and therefore the arm tip portion 32 of the articulated robot arm 30 that transfers the workpiece W can transfer the workpiece W without substantially changing the position in the height direction. Further, since the quenching apparatus 20a and the workpiece ejection port 12 are disposed so as to intersect each other in a left-right reversed manner in plan view, the workpiece W is smoothly transferred from the workpiece ejection port 12 to the quenching apparatus 20a by the articulated robot arm 30. In the quenching apparatus 20a into which the workpiece W is inserted, the air-cooling fan 22, the rectifying plate 23, and the shutter 24 shown in fig. 2 function to feed the suitably rectified wind to the workpiece W conveyed out of the solution treatment furnace 10 in the workpiece storage 21 in which the workpiece W is stored, so that quenching processing by blast quenching can be performed under uniform conditions in each workpiece storage 21.
Then, the workpiece W after the quenching process by the blast quenching is sequentially carried out of the quenching apparatus 20(20a, 20 b). That is, as shown in fig. 8, the workpiece W after the quenching process by the blast quenching is completed in the workpiece storage section 21 of the quenching apparatus 20(20a, 20b) is transferred to the carry-out position, and the arm tip portion 32 of the articulated robot arm 30 is retracted from the workpiece W, whereby the series of quenching processes is completed.
By executing the quenching method described above, blast quenching by the quenching apparatus 20(20a, 20b) can be performed on all the workpieces W within 10 seconds after the workpieces W are taken out of the solution treatment furnace 10, and the blast quenching can be performed under substantially the same conditions on all the workpieces W. Therefore, according to the present embodiment, since the quenching delay of the workpiece W does not occur and the uniform quenching process can be performed, the quality of the workpiece W can be stabilized.
Although the preferred embodiments of the present invention have been described above, the technical scope of the present invention is not limited to the scope described in the above embodiments. Various changes and modifications can be made to the above embodiments.
For example, although the quenching apparatus 20(20a, 20b) of the above embodiment is a quenching apparatus that performs air-cooled air-blast quenching, a water-cooled or oil-cooled quenching apparatus can be used as the quenching apparatus of the present invention.
Further, the solution treatment furnace 10 is configured such that the work storage chamber is arranged in a ring shape, but the present invention is not limited thereto. For example, the present invention can be applied to a so-called linear solution treatment furnace in which a plurality of conveyors are arranged in a solution treatment furnace of a type in which a work storage chamber (tray) on which a work is placed is linearly moved by the conveyors or the like, and can also be applied to other solution treatment furnaces.
For example, in the above-described embodiment, the workpiece storage portion 21 of the quenching apparatus 20(20a, 20b) is configured to move to a position in the immediate vicinity of the workpiece ejection port 12, but the workpiece storage portion 21 may be configured to move to a position at a constant distance from any of the workpiece ejection ports 12. The essence of the present invention is to eliminate the variation in quenching process of the workpiece W caused by the difference in the workpiece take-out port 12.
As is apparent from the description of the embodiments, the embodiments to which such changes or improvements are applied can be included in the technical scope of the present invention.

Claims (7)

1. A quenching apparatus for quenching a solution-treated workpiece taken out of a solution treatment furnace having a plurality of workpiece storage chambers and a plurality of workpiece take-out ports corresponding to the workpiece storage chambers,
the quenching device is provided to be movable in correspondence with the position of the workpiece take-out port.
2. A quenching apparatus for quenching a solution-treated workpiece taken out of a solution treatment furnace having a plurality of workpiece storage chambers arranged in an annular array and stacked in the vertical direction and a plurality of workpiece take-out ports corresponding to the workpiece storage chambers,
the quenching device is provided to be movable in correspondence with the position of the workpiece take-out port.
3. The quenching apparatus as claimed in claim 2,
the quenching apparatus has a workpiece storage portion for storing the workpiece taken out from the workpiece take-out port,
the quenching apparatus includes an air cooling fan for air-cooling the workpiece stored in the workpiece storage portion.
4. The quenching apparatus as claimed in claim 3,
the work storage unit is provided with a shutter that can be opened and closed freely at a position where the work is loaded and unloaded.
5. The quenching apparatus as claimed in claim 3 or 4,
the quenching apparatus includes a flow regulating plate for regulating the flow of air generated by the air cooling fan.
6. The quenching apparatus as claimed in claim 2,
a plurality of workpiece take-out ports are arranged along the vertical direction of the solution treatment furnace,
the quenching device is configured to be capable of moving up and down corresponding to the position of the workpiece take-out opening.
7. A quenching method is characterized in that,
the quenching method uses the quenching apparatus according to any one of claims 1 to 6 to perform quenching treatment.
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