WO2014069100A1 - 鋳型へ注湯する溶湯のサンプリング装置及びサンプリング方法並びに材質管理方法 - Google Patents

鋳型へ注湯する溶湯のサンプリング装置及びサンプリング方法並びに材質管理方法 Download PDF

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Publication number
WO2014069100A1
WO2014069100A1 PCT/JP2013/073956 JP2013073956W WO2014069100A1 WO 2014069100 A1 WO2014069100 A1 WO 2014069100A1 JP 2013073956 W JP2013073956 W JP 2013073956W WO 2014069100 A1 WO2014069100 A1 WO 2014069100A1
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WO
WIPO (PCT)
Prior art keywords
molten metal
ladle
hot water
sampling
mold
Prior art date
Application number
PCT/JP2013/073956
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English (en)
French (fr)
Japanese (ja)
Inventor
西田　理
Original Assignee
新東工業株式会社
藤和電気株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新東工業株式会社, 藤和電気株式会社 filed Critical 新東工業株式会社
Priority to CN201380056512.3A priority Critical patent/CN104755195B/zh
Priority to IN2815DEN2015 priority patent/IN2015DN02815A/en
Priority to JP2014544368A priority patent/JP6276698B2/ja
Publication of WO2014069100A1 publication Critical patent/WO2014069100A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/12—Travelling ladles or similar containers; Cars for ladles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/06—Equipment for tilting

Definitions

  • the present invention relates to an apparatus and a sampling method for sampling a molten metal poured into a mold, that is, a molten metal in a ladle, in order to control the material of the molten metal poured into the mold in a casting factory.
  • the present invention also relates to a material management method for molten metal poured into the mold.
  • the sampling method in which the worker scoops the molten metal with a ladle or a sampling jig has a problem that the worker has to work near the hot molten metal, which is dangerous. . Furthermore, since this is a human work, there is a problem that sampling may be forgotten.
  • the method of casting a test piece continuous to the product or casting method in the mold at the same time as pouring into the mold, and collecting the test piece after the solidification of the molten metal and cutting it Because the test piece was made in the past, there was a problem that the yield was poor.
  • a molten metal sampling apparatus for pouring into a mold is a sampling apparatus that is mounted on an automatic pouring apparatus for pouring molten metal in a ladle into a mold and samples the molten metal in the ladle.
  • a molten metal sampling method for pouring into a mold is mounted on an automatic pouring apparatus for pouring molten metal in a ladle into a mold, and a sampling device for sampling the molten metal in the ladle.
  • a sampling method for sampling the molten metal in the ladle a conveying step of conveying the hot water receiving container from the ladle to the hot water receiving position for receiving the molten metal, and a part of the molten metal in the ladle,
  • the hot water receiving container has a hot water receiving process for receiving hot water at the hot water receiving position, and an unloading process for unloading the hot water receiving container from the hot water receiving position.
  • a predetermined amount of molten metal is replenished each time the ladle is replaced or the empty ladle is replaced in the conveying step, the hot water receiving step and the unloading step. Each time, it may be performed at least once.
  • the conveyance process, the hot water receiving process, and the unloading process are performed after a predetermined number of times of pouring the mold into the mold using an automatic pouring device, and then the remaining in the ladle It may be performed when the weight of the molten metal becomes equal to or less than a predetermined set weight value.
  • a material management method for a molten metal poured into a mold wherein sampling information when the molten metal is sampled is stored in a storage unit by the molten metal sampling method poured into the mold.
  • it is characterized in that it is associated with pouring information relating to the automatic pouring device, mold information relating to the mold, or melting information relating to the molten metal.
  • a sampling device, a sampling method, and a material management method are provided.
  • FIG. 1 It is a front view of the automatic pouring device concerning one embodiment. It is a right view of FIG. It is a block diagram for demonstrating control of sampling of a molten metal.
  • FIG. 1 is a front view showing an automatic pouring apparatus according to an embodiment.
  • FIG. 2 is a side view of the automatic pouring apparatus shown in FIG.
  • a conveyance direction of a mold M which will be described later, is a Y direction
  • a vertical direction is a Z direction
  • a direction perpendicular to the Y direction and the Z direction is an X direction.
  • a pair of rails L is provided on the floor surface along the Y direction. From the molding line (not shown), the mold M is conveyed along the rail L by a mold conveying means (not shown).
  • a plurality of molds M are arranged at intervals of one pitch (one mold), and the plurality of molds M are intermittently conveyed along the Y direction as a mold group.
  • an automatic pouring device 1 is disposed outside the rail L.
  • the automatic pouring device 1 includes a ladle 2, and the ladle 2 can be tilted around a tilting shaft 3 extending in the Y direction.
  • the ladle 2 is provided with a tapping nozzle 2a.
  • the tip position of the pouring nozzle 2a during pouring is the pouring position.
  • the automatic pouring apparatus 1 is provided with the raising / lowering apparatus (detailed structure is abbreviate
  • the automatic pouring apparatus 1 is provided with the moving apparatus (detailed structure is abbreviate
  • the automatic pouring device 1 can be moved by a traveling carriage 4 in the moving direction of the mold M and the opposite direction, that is, the Y direction.
  • the weight of the molten metal in the ladle 2 can be measured with a load cell (not shown).
  • the automatic pouring device 1 is equipped with a sampling device 5 for sampling the molten metal in the ladle 2.
  • the sampling device 5 will be described.
  • the sampling device 5 according to an embodiment includes a hot water receiving container 6, a movable frame 7, and a motor 8.
  • the hot water receiving container 6 is used to receive molten metal to be sampled from the ladle 2. As shown in FIG. 1, the hot water receiving container 6 is detachably attached to the tip of the movable frame 7. The base end of the movable frame 7 is connected to the drive shaft 8 a of the motor 8. The motor 8 is used as a drive unit that drives the movable frame 7 and transports the hot water receiving container 6 to the hot water receiving position for receiving the molten metal from the ladle 2. By driving the motor 8, the hot water receiving container 6 rotates on the YZ plane around the drive shaft 8a of the motor 8 via the movable frame 7 and is moved in the vertical direction (see FIG. 2). The hot water receiving container 6 is attached to the tip of the movable frame 7 so as to be always kept horizontal by its own weight even when the movable frame 7 rotates.
  • a mold M is intermittently conveyed by one pitch (one mold) in a mold group state from a molding line (not shown) by a mold conveying means (not shown).
  • the ladle 2 is tilted in the forward direction (the pouring direction) about the tilting shaft 3, and the molten metal in the ladle 2 is poured into a predetermined mold M in the mold group.
  • the ladle 2 is tilted in the reverse direction (direction in which the hot water is cut) around the tilting shaft 3, and the ladle 2 is returned to the horizontal state.
  • the mold M is intermittently conveyed by one pitch, and the molten metal is poured into the next mold M. In this way, the molten metal is poured into each of the molds M that are intermittently conveyed.
  • the hot water receiving container 6 is rotated in the forward direction via the movable frame 7, and the hot water receiving container 6 is conveyed from the ladle 2 to the hot water receiving position where the molten metal is received.
  • the hot water receiving position may be any position above the mold M as long as the hot water receiving container 6 can receive the molten metal from the ladle 2, but in the present embodiment, above the pouring gate in the mold M.
  • the hot water receiving container 6 is in a position where the molten metal can be received from the hot water nozzle 2 a of the ladle 2. That is, in one embodiment, the hot water receiving position is a position between the mold M and the ladle 2 in the height direction, and more specifically, a position above the mold M and at the time of pouring. It can be set as the position below the front-end
  • the ladle 2 is tilted in the reverse direction to return the ladle 2 to a horizontal state.
  • the hot water receiving container 6 is rotated in the reverse direction via the movable frame 7, and the hot water receiving container 6 is unloaded from the hot water receiving position (unloading step).
  • the hot water receiving container 6 carried out from the hot water receiving position is removed from the tip of the movable frame 7 by a hot water receiving container attaching / detaching device (not shown).
  • An empty hot water receiving container 6 is attached to the tip of the movable frame 7 by the hot water receiving container attaching / detaching device (not shown).
  • the hot water receiving container 6 removed from the tip of the movable frame 7 is taken out when the molten metal is solidified, and the removed one becomes a test piece. In this way, the molten metal is sampled.
  • the sampling of the molten metal is not particularly limited as long as the molten metal is sampled during the pouring of each mold M described above.
  • the molten metal may be sampled at least once every time the ladle 2 is replaced or every time a predetermined amount of molten metal is replenished to the empty ladle 2.
  • the ladle 2 normally stores an amount of molten metal that can be poured into the mold M a plurality of times. And when the pouring of the predetermined number of times is performed by the ladle 2, the ladle 2 becomes almost empty. Then, in the automatic pouring device 1, the empty ladle 2 and the ladle 2 filled with a predetermined amount of molten metal are exchanged. Each time the ladle 2 is replaced, the molten metal is sampled once. If it does so, the said test piece will be obtained for every ladle 2.
  • the automatic pouring apparatus 1 when the ladle 2 is not replaced, that is, when the ladle 2 is almost empty, an embodiment in which a predetermined amount of molten metal is replenished to the ladle 2 by a molten metal supply means (not shown).
  • a molten metal supply means not shown.
  • the molten metal is sampled once. If it does so, the said test piece will be obtained whenever the predetermined amount of molten metal is replenished to the ladle 2 which became empty. This is substantially the same as obtaining the test piece for each ladle 2.
  • the sampling method of the molten metal which concerns on one Embodiment, it understands also administratively to carry out once in the period until the ladle 2 is replaced
  • the number of times of sampling of the molten metal is not limited to one, and the molten metal may be sampled a plurality of times.
  • the sampling of the molten metal is performed at least once every time the ladle 2 is replaced or every time when the empty ladle 2 is replenished with a predetermined amount of molten metal.
  • the weight of the remaining molten metal in the ladle 2 is determined in advance after sampling the molten metal from the automatic pouring device 1 to the mold M a predetermined number of times. You may make it perform when it becomes below a setting weight value.
  • the set weight value of the molten metal in the ladle 2 is determined in advance. And if pouring by the ladle 2 is repeated, the weight of the molten metal in the ladle 2 will decrease gradually. Then, after several times of pouring, the weight of the molten metal in the ladle 2 becomes equal to or less than the set weight value. Then, the molten metal is sampled once before the next pouring. Even if it does in this way, the said test piece is obtained for every ladle 2 substantially.
  • the sampling of the molten metal is not limited to the one time, and may be performed a plurality of times after the weight of the molten metal in the ladle 2 becomes equal to or less than the set weight value.
  • the weight of the remaining molten metal in the ladle 2 becomes equal to or less than a predetermined set weight value. Even if it carries out at the time, the said test piece is obtained reliably for every ladle 2, and there exists an effect that it becomes easy to manage molten metal per ladle 2 unit. Moreover, when performing sampling of this molten metal, there also exists an effect that it can prevent that it will be in the state where the remaining molten metal in the ladle 2 is insufficient.
  • the automatic pouring device 1 may further include a control unit S.
  • the control unit S is mainly configured by a computer including a CPU, a ROM, and a RAM, for example, and a computer program for realizing a predetermined function is stored in the ROM or the like. And the function mentioned later is implement
  • each function of control part S may be realized by an electric circuit.
  • FIG. 3 is a block diagram showing a functional configuration of the control unit S.
  • the control unit S includes an automatic pouring device control unit S1 and a molten metal sampling control unit S2.
  • the automatic pouring device control unit S1 includes a pouring machine attitude control unit S5, a pouring amount measurement control unit S6, and a sampling information storage unit S7.
  • the molten metal sampling control unit S2 includes a sampling start instruction unit S3, a motor drive instruction unit S4, and a set weight value storage unit S8.
  • the automatic pouring apparatus 1 may further include a load cell LC and a position detector 9.
  • the load cell LC is a device that measures the weight of the molten metal in the ladle 2.
  • An example of the position detector 9 is an encoder.
  • the position of the hot water receiving container 6 can be controlled by rotating the movable frame 7 based on the value of the position detector 9.
  • the weight of the molten metal in the ladle 2 gradually decreases. At this time, the weight of the molten metal in the ladle 2 is measured by the load cell LC. The weight of the molten metal in the ladle 2 measured by the load cell LC is output to the sampling start instruction unit S3. And if it finishes pouring several times and it determines with the weight of the molten metal in this ladle 2 becoming below the setting weight value memorize
  • the motor drive instruction unit S4 outputs a signal for instructing the motor 8 to start driving. Then, the motor 8 is operated normally. By the normal operation of the motor 8, the hot water receiving container 6 is rotated in the forward direction via the movable frame 7, and the hot water receiving container 6 is conveyed from the ladle 2 to the hot water receiving position where the molten metal is received. Since the position of the hot water receiving container 6 is measured by the position detector 9, the hot water receiving container 6 can be stopped at the hot water receiving position.
  • the pouring machine posture control unit S5 sets the ladle 2 of the automatic pouring device 1 into a posture that allows pouring into the hot water receiving container 6.
  • the ladle 2 is tilted, the ladle 2 is moved in the vertical direction, the ladle 2 is moved in the front-rear direction, the traveling direction of the mold M of the traveling carriage 4 or the opposite direction.
  • the necessary operation is appropriately selected from the four movements, and the operation is performed. There may be a minimum of one operation or a maximum of four operations.
  • the hot water pouring vessel attitude control unit S5 and the pouring amount measurement control unit S6 pour the hot water receiving vessel 6 until the hot water receiving vessel 6 is filled with a predetermined amount of molten metal.
  • the motor 8 is reversely operated, whereby the hot water receiving container 6 is rotated in the reverse direction via the movable frame 7, and the hot water receiving container 6 is carried out from the hot water receiving position.
  • the sampling information is, for example, information for identifying a test piece, and specifically includes a sample number (test piece number), a sampling time, the number of a ladle that has sampled the molten metal, and the like.
  • the sampling information stored in the sampling information storage unit S7 can be associated with other information.
  • the other information include pouring information related to the automatic pouring device, mold information related to the mold, melting information related to the molten metal, and the like.
  • the pouring information related to the automatic pouring apparatus is information indicating, for example, conditions during pouring, and specifically includes the pouring weight, the number of pouring, the pouring temperature, and the like.
  • the mold information related to the mold is, for example, information related to the mold, and specifically includes a molding time, a planned pouring material, a product number, and the like.
  • the melting information related to the molten metal is, for example, information related to the molten metal, and specifically includes the hot water time, the hot water temperature, the amount of alloy addition, and the like.
  • the sampling information when the molten metal is sampled is stored in the sampling information storage unit S7, and the molten metal information related to the automatic pouring apparatus, the mold information related to the mold, or the molten metal is stored.
  • traceability is improved by associating with related dissolution information.
  • the other information associated with the sampling information stored in the sampling information storage unit S7 is any one of pouring information related to the automatic pouring device, mold information related to the mold, and melting information related to the molten metal.
  • the present invention is not limited to this, and all these three pieces of information may be associated with the sampling information.
  • a molten metal sampling device 5 is mounted in the automatic pouring device 1 described above. For this reason, the molten metal in the ladle 2 can be sampled automatically, and there is an effect that there is no dangerous work by a person. Also, since the molten metal is sampled automatically, you will never forget to sample. For this reason, there exists an effect that a molten metal can be sampled reliably for every pouring ladle. Furthermore, in the automatic pouring device 1, the molten metal in the ladle 2 is automatically sampled at an appropriate timing, so that test pieces are not made on all molds. For this reason, the number of test pieces to be produced can be greatly reduced, and the yield can be improved.
  • SYMBOLS 1 Automatic pouring device, 2 ... Ladle, 2a ... Hot water nozzle, 5 ... Sampling device, 6 ... Hot water receiving container, 7 ... Movable frame, 8 ... Drive part, M ... Mold, S ... Control part.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Sampling And Sample Adjustment (AREA)
PCT/JP2013/073956 2012-10-31 2013-09-05 鋳型へ注湯する溶湯のサンプリング装置及びサンプリング方法並びに材質管理方法 WO2014069100A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380056512.3A CN104755195B (zh) 2012-10-31 2013-09-05 向铸型浇注的熔融金属的取样装置以及取样方法和材质管理方法
IN2815DEN2015 IN2015DN02815A (enrdf_load_stackoverflow) 2012-10-31 2013-09-05
JP2014544368A JP6276698B2 (ja) 2012-10-31 2013-09-05 鋳型へ注湯する溶湯のサンプリング装置及びサンプリング方法並びに材質管理方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-239903 2012-10-31
JP2012239903 2012-10-31

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WO2014069100A1 true WO2014069100A1 (ja) 2014-05-08

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JP (1) JP6276698B2 (enrdf_load_stackoverflow)
CN (1) CN104755195B (enrdf_load_stackoverflow)
IN (1) IN2015DN02815A (enrdf_load_stackoverflow)
WO (1) WO2014069100A1 (enrdf_load_stackoverflow)

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US11097339B2 (en) * 2015-11-16 2021-08-24 Sintokogio, Ltd. Casting plant and method for managing data for molding molds and data on conditions of molten metal in casting plant

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06269900A (ja) * 1993-03-18 1994-09-27 Hino Motors Ltd 接種材自動計量装置
JP2010121937A (ja) * 2008-11-17 2010-06-03 Jfe Steel Corp 溶融物のサンプリング方法および装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2854554Y (zh) * 2005-07-29 2007-01-03 宝山钢铁股份有限公司 连铸中间包用钢水取样器
CN201677026U (zh) * 2010-05-13 2010-12-22 昆明理工大学 倾斜板法制备半固态金属浆料时的取样装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06269900A (ja) * 1993-03-18 1994-09-27 Hino Motors Ltd 接種材自動計量装置
JP2010121937A (ja) * 2008-11-17 2010-06-03 Jfe Steel Corp 溶融物のサンプリング方法および装置

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JPWO2014069100A1 (ja) 2016-09-08
CN104755195A (zh) 2015-07-01
JP6276698B2 (ja) 2018-02-07
IN2015DN02815A (enrdf_load_stackoverflow) 2015-09-11
CN104755195B (zh) 2016-08-17

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