CN104550842A - Preheating device and preheating method of casting machine die - Google Patents

Preheating device and preheating method of casting machine die Download PDF

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Publication number
CN104550842A
CN104550842A CN201410532271.1A CN201410532271A CN104550842A CN 104550842 A CN104550842 A CN 104550842A CN 201410532271 A CN201410532271 A CN 201410532271A CN 104550842 A CN104550842 A CN 104550842A
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CN
China
Prior art keywords
casting machine
preheating
mould
heating
die
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201410532271.1A
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Chinese (zh)
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CN104550842B (en
Inventor
中村茂之
藤原利光
石本祥广
水谷德幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Tokuden Co Ltd Kyoto
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Toyota Motor Corp
Tokuden Co Ltd Kyoto
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
Priority to JP2013-213401 priority Critical
Priority to JP2013213401A priority patent/JP5952795B2/en
Application filed by Toyota Motor Corp, Tokuden Co Ltd Kyoto filed Critical Toyota Motor Corp
Publication of CN104550842A publication Critical patent/CN104550842A/en
Application granted granted Critical
Publication of CN104550842B publication Critical patent/CN104550842B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00Pressure casting; Vacuum casting
    • B22D18/04Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould

Abstract

The invention provides a preheating device and a preheating method of a casting machine die which achieves effective heating without any waste, reduces the workload of operators and is excellent in safety and cost. The device is characterized in that a taking device (20) taking a product casted by a die formed by an upper die (11) and a lower die (12) out of a casting machine (10) comprises an unloader (21) which loads the product and moves the product out of the casting machine. A heating box (30) is dismounted by an installation part (22) and suspended on a surface of the casting machine (21) opposite to a loading surface of the product.

Description

The preheating device of casting machine die and pre-heating mean
Technical field
The present invention relates to the preheating device for carrying out preheating to the mould of air injection machine etc.
Background technology
Automobile parts etc. are by injecting motlten metal to mould and carrying out casting manufacturing.Such as, in the manufacture of the cylinder cap of engine for automobile, air injection machine is used.
In the manufacture of automobile part employing air injection machine, after casting injecting motlten metal to mould, withdrawing device takes out product from mould and to cooling device carrying, advances to next manufacturing process.Concrete order is as described below.Usually, mould is divided into mold and bed die, and when opening mould after cast article, product promotes by mold.When withdrawing device is configured between mold and bed die, product is made to be placed in withdrawing device from the mold demoulding.The withdrawing device being placed with product moves and is carried to cooling device by product.
In air injection machine, manufacture automobile part via such order, but in order to improve the production efficiency of product, also carry out the preheating of mould.That is, in advance mould was heated before injection motlten metal, casting can be started thus immediately, the time of manufacture can be shortened.
In the past, the preheating of mould is carried out heating to carry out to mold and bed die by utilizing gas burner, such as, in patent document 1, disclose under the state of closing casting molds, send into from the opening portion of mould the hot blast produced by burner, carry out the pre-heating mean of the casting molds of preheated mold thus.
[at first technical literature]
[patent document]
[patent document 1] Japanese Unexamined Patent Publication 2000-334557 publication
[inventing the problem that will solve]
The preheating of mould not only before the beginning of the operation of a day, even and if under the interruption of such short time time of having a rest, also carry out to prevent mould at normal temperatures from cooling rapidly.
But hanker in above-mentioned adding of gas burner in the past, the heat loss of the heating that gas burner produces is large, there is the problem that efficiency of heating surface difference, operating cost are huge or so greatly.And, in security, also there is the possibility of Leakage Gas etc., in order to prevent catching fire, hankering in advance also needing guarder, also there is the problem that the cost of cost people is such.
In addition, before preheating burner is arranged at mould, when burner must be removed after preheat, if guarder carries out this operation, then not only cause the homework burden that ponderable burner is arranged/removes, and when removing, burner is with heat, and therefore operating environment also becomes harsh.And then the setting of burner/remove needs the time, and during this period, the temperature of mould declines, and therefore the waste of heat energy also increases.
Summary of the invention
Therefore, the present invention makes in view of problem points as described above, its object is to provide one not waste and effectively heat, alleviates the homework burden of operator, and in security and cost on the preheating device of also excellent casting machine die.
[for solving the scheme of problem]
To achieve these goals, the preheating device of casting machine die of the present invention possesses the heating unit to the electrothermal that the mould of casting machine heats, it is characterized in that, to possess mounting product by the product after die casting from the withdrawing device that casting machine takes out and take out of the taking-up component of product from casting machine, described heating unit dismounting be bearing on the face relative with the mounting surface of product of described taking-up component freely.
Thus, the preheating making mould is the heating unit of electrothermal, and dismounting is supported on withdrawing device freely, therefore, realizes significantly alleviating the preheating device that the homework burden of operator, security are high, also do not need to monitor cost etc.
At this, preferably, remove the supporting of described heating unit at described taking-up component and after being placed in mould, the backward described heating unit energising of mould closedown heated.
Thus, under the state of being closed by mould, carry out preheating, therefore heat loss is few and can carry out the effective heating of not waste.
In addition, the present invention also can realize as the pre-heating mean of casting machine die.Namely, the pre-heating mean as a kind of casting machine die can be formed, it is the pre-heating mean of the casting machine die realized by preheating device, described preheating device possesses the heating unit to the electrothermal that the mould of casting machine heats, it is characterized in that, in casting machine, the mould of cast article is opened wide, by product from the withdrawing device that casting machine takes out, make mounting product and the taking-up component taking out of product from casting machine moves to the space opened wide, described heating unit dismounting be bearing in freely on the face relative with the mounting surface of product of described taking-up component loads to mould, make described taking-up component from open wide space move after, mould is closed and heats to described heating unit energising.
[invention effect]
As described above, according to the preheating device of casting machine die of the present invention, the preheating of mould adopts the heating unit of electrothermal, dismounting is supported on withdrawing device freely, under the state of being closed by mould, carry out preheating, therefore, it is possible to realize that heat loss is few, the efficiency of heating surface is excellent and security is high, in the cost of operating cost or people on also useful preheating device.
Accompanying drawing explanation
Fig. 1 is the sketch of the structure representing casting machine and withdrawing device.
Fig. 2 is the figure of the connection example representing unloader and heating cabinet.
[label declaration]
10 casting machines
11 molds
12 bed dies
20 withdrawing devices
21 unloaders
22 installation portions
23 juts
30 heating cabinets
31 buckling parts
32 holes portion
Detailed description of the invention
Below, embodiments of the present invention are described.
The preheating device of the casting machine die of present embodiment is the device carrying out preheating for the mould of the casting machine to casting of automobile part etc.At this, illustrate example integrated with the preheating device of casting machine die for the withdrawing device that takes out product from casting machine.
Fig. 1 is the figure of the brief configuration representing casting machine and withdrawing device.
Casting machine 10 possesses mold 11 and bed die 12 as the mould for casting of automobile part etc.Withdrawing device 20 possesses the unloader 21 taken out by the product after being cast by casting machine 10; And the heating cabinet 30 of unloader 21 is suspended to by installation portion 22.
Unloader 21 be by casting machine 10 casting after product take out and to cooling device carrying device, be the flat component that can load product.Unloader 21, after cast article, moves from the assigned position of withdrawing device 20 to the space opened wide between mold 11 and bed die 12.Product after casting is promoted by mold 11, and when the situation that unloader 21 arrives between mold 11 and bed die 12 being detected by sensor, mold 11, by product stripping, uploads at unloader 21 product of buying property.Further, unloader 21 move and by product to cooling device carrying after, turn back to the assigned position of withdrawing device 20.
Heating cabinet 30 is heating units of the electrothermal of box shape, is suspended to the lower surface of the face that loads product with unloader 21 relative face, i.e. unloader 21 and is carried to casting machine 10, carrying out preheating to mould.Owing to carrying out preheating to the mould of casting machine 10, the outer container therefore covering heater needs to be made up of the raw material possessing heat resistance, such as, and preferred stainless steel (SUS).Heater itself can use the heater of electrothermal, such as take nichrome wire as the cartridge heater of line with heating function.
This heating cabinet 30 is configured in the assigned position of withdrawing device 20, when moving to casting machine 10, being suspended to the bottom of unloader 21 and being handled upside down via installation portion 22.Fig. 2 illustrates that unloader 21 is routine with the connection of heating cabinet 30.
The installation portion 22 arranging multiple (such as, four positions) in the edge of unloader 21 is hook shape, the face parallel with unloader 21 has the jut 23 of convex, laterally rotates centered by the axle parallel with the edge of unloader 21.On the other hand, in the edge of heating cabinet 30, be provided with buckling parts 31 in the position corresponding with installation portion 22, be formed with the hole portion 32 embedded for jut 23 at this buckling parts 31.That is, the jut 23 of installation portion 22 is embedded into the hole portion 32 of each buckling parts 31 from below, and heating cabinet 30 is promoted by unloader 21 thus.
Withdrawing device 20 possesses operation board, and this operation board carries out the movement of unloader 21, the connection of unloader 21 and heating cabinet 30 and releasing thereof, instruction to the energising of heating cabinet 30.Unloader 21 by operation board indicate only carry out taking out the action of product time, only unloader 21 moves between casting machine 10 and withdrawing device 20, and heating cabinet 30 carries out standby in the assigned position of withdrawing device 20.
On the other hand, such as, unloader 21 is when the mode of taking out the preheated mold with interruption operation after product is instructed to action, and unloader 21 suspends heating cabinet 30 in midair via installation portion 22, and heating cabinet 30 moves to casting machine 10 together with unloader 21.Then, heating cabinet 30 is placed in bed die 12 by unloader 21.Now, jut 23 comes off downwards from hole portion 32, and installation portion 22 laterally rotates and unloader 21 is removed with the connection of heating cabinet 30.Then, heating cabinet 30, when receiving the product from mold 11 demoulding, is remained in bed die 12 and moves to withdrawing device 20 by unloader 21.After making product stripping, mold 11 declines, and heating cabinet 30 is clamped by mold 11 and bed die 12.Be energized to heating cabinet 30 in this case, start the preheating of mould.It should be noted that, the power supply be energized to heating cabinet 30 can be arranged on the either side cast in pusher side or withdrawing device side, but because heating cabinet 30 moves together with unloader 21, therefore the electric wires be energized etc. have the length of appropriateness, with can between casting machine 10 and withdrawing device 20 back and forth.
At this, even if the buckling parts 31 being in the edge of heating cabinet 30 preferably utilizes as also accommodating the positioning unit of heating cabinet 30 in mould in the diverse situation of mould.Utilization as positioning unit such as can consider pin corresponding for the hole portion 32 with buckling parts 31 to be located at mold 11, and by making, pin is chimeric with hole portion 32 to carry out.
When starting or start the casting of product in the preheating terminating the mould that heating cabinet 30 carries out, mold 11 rises, and unloader 21 moves from withdrawing device 20 to the space opened wide between mold 11 and bed die 12.Unloader 21 makes installation portion 22 turn to the inside and makes jut 23 be embedded in the hole portion 32 of each buckling parts 31 from below, heating cabinet 30 is promoted and reclaims heating cabinet 30, turn back to the assigned position of withdrawing device 20, under the state making heating cabinet 30 keep standby before upper preheating once, repeatedly carry out the taking-up action of product.
According to the preheating device of the casting machine die so formed, under the state of being closed by mould, that is, sandwiched by heating cabinet by mold and bed die, the heat loss that therefore heating of gas burner is in the past such is few, efficiency of heating surface excellence.And, even if when by manufacturing operation brief interruption, also can configure heating cabinet preheating immediately after product withdrawing device has just taken out product, therefore when product cast, mould with heat loss seldom, also contribute to the efficient activity of heat energy.
And, due to the heating unit being thermoformed into electrothermal in advance by mould, therefore the homework burden of operator is only operate the operation board of preheating device, not only significantly alleviates, security is also high and do not have the danger of Leakage Gas etc., does not therefore also need the cost of the people monitored.
Moreover, by being set to electrothermal, the various controls of electrical resistance can be carried out.Such as, by employing the automatic running of timer, can preheated mold in advance before the running start time of manufacturing works, also can make contributions to the running rate of factory.And, by the control of preheat temperature, also can the proper temperature ground preheating according to the product of casting, or at mold and bed die with temperature difference.
Above, about the preheating device of casting machine die of the present invention, be illustrated based on embodiment, but the present invention is not defined in this, can realize object of the present invention and can carry out various design alteration in the scope not departing from the aim of invention, these also all within the scope of the present invention.
Such as, in the above-described embodiment, as the heater of electrothermal, cartridge heater is used to be illustrated, as long as but the heating unit of electrothermal, no matter its method, also can be such as eddy-current heating or employ electromagnetic heating.
In addition, if product take out the unloader of component and the fastening unit of heating cabinet support heating cabinet when unloader mobile and the configuration to mould and the recovery from mould time dismounting freely, be just not limited to the fastening that above-mentioned embodiment is such.Such as, also can be that the Components installation promoted holding the edge of heating cabinet is in the structure of unloader.
And, if the space around casting machine has rich degree, can not be then the structure of unloader suspention heating cabinet as described above, and be set to from product withdrawing device preheating device independently, with the action of unloader linkedly by the structure of heating cabinet to mold arrangement.
[industrial applicibility]
The preheating device of casting machine die of the present invention is useful as the preheating device of air injection machine etc., the preheating device of the especially preferred casting machine as auto parts.

Claims (3)

1. a preheating device for casting machine die, possesses the heating unit to the electrothermal that the mould of casting machine heats, and the feature of the preheating device of described casting machine die is,
To mounting product be possessed by the product after die casting from the withdrawing device that casting machine takes out and take out of the taking-up component of product from casting machine,
Described heating unit dismounting is bearing on the face relative with the mounting surface of product of described taking-up component freely.
2. the preheating device of casting machine die according to claim 1, is characterized in that,
Remove the supporting of described heating unit at described taking-up component and after being placed in mould, the backward described heating unit energising of mould closedown heated.
3. a pre-heating mean for casting machine die, be the pre-heating mean of the casting machine die realized by preheating device, described preheating device possesses the heating unit to the electrothermal that the mould of casting machine heats, and the feature of the pre-heating mean of described casting machine die is,
In casting machine, the mould of cast article is opened wide,
By product from the withdrawing device that casting machine takes out, make mounting product and the taking-up component taking out of product from casting machine moves to the space opened wide,
Described heating unit dismounting be bearing in freely on the face relative with the mounting surface of product of described taking-up component loads to mould,
Making described taking-up component from after the space opened wide is moved, mould being closed and heats to the energising of described heating unit.
CN201410532271.1A 2013-10-11 2014-10-10 The preheating device and pre-heating mean of casting machine die Active CN104550842B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013-213401 2013-10-11
JP2013213401A JP5952795B2 (en) 2013-10-11 2013-10-11 Casting machine mold preheating apparatus and preheating method

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CN104550842A true CN104550842A (en) 2015-04-29
CN104550842B CN104550842B (en) 2018-07-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109014117A (en) * 2018-07-17 2018-12-18 安徽思源三轻智能制造有限公司 A kind of mold preheating device for liquid forging production
CN112313021A (en) * 2019-05-28 2021-02-02 特殊电极株式会社 Preheating device of casting machine die
CN112872302A (en) * 2021-02-24 2021-06-01 惠州云海镁业有限公司 Magnesium alloy pouring tool preheating equipment and magnesium alloy pouring tool preheating method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6647988B2 (en) * 2016-08-26 2020-02-14 特殊電極株式会社 Preheating apparatus and method for casting mold

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JP5036419B2 (en) * 2007-06-20 2012-09-26 株式会社ブリヂストン Tire vulcanization mold preheating device and tire manufacturing device
CN202764333U (en) * 2012-08-08 2013-03-06 吴江市博众精工科技有限公司 Preheating module

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JPH0798259B2 (en) * 1988-12-14 1995-10-25 日産自動車株式会社 Casting mold preheater
JPH0787979B2 (en) * 1990-02-16 1995-09-27 宇部興産株式会社 Mold preheater
JP2001001127A (en) * 1999-06-15 2001-01-09 Aisin Seiki Co Ltd Metallic mold for casting and preheating method thereof
JP4072934B2 (en) * 1999-06-17 2008-04-09 株式会社八光電機製作所 Mold preheating heater
JP5036419B2 (en) * 2007-06-20 2012-09-26 株式会社ブリヂストン Tire vulcanization mold preheating device and tire manufacturing device
CN102114698A (en) * 2009-12-30 2011-07-06 广达电脑股份有限公司 Injection molding mould, preheating device, and method for preheating by using injection molding mould
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109014117A (en) * 2018-07-17 2018-12-18 安徽思源三轻智能制造有限公司 A kind of mold preheating device for liquid forging production
CN109014117B (en) * 2018-07-17 2020-02-11 安徽思源三轻智能制造有限公司 A mould preheating device for liquid forging production
CN112313021A (en) * 2019-05-28 2021-02-02 特殊电极株式会社 Preheating device of casting machine die
CN112872302A (en) * 2021-02-24 2021-06-01 惠州云海镁业有限公司 Magnesium alloy pouring tool preheating equipment and magnesium alloy pouring tool preheating method

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JP2015074023A (en) 2015-04-20
CN104550842B (en) 2018-07-17
JP5952795B2 (en) 2016-07-13

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