CN102834200B - Mold molding device and mold molding method - Google Patents
Mold molding device and mold molding method Download PDFInfo
- Publication number
- CN102834200B CN102834200B CN201180016757.4A CN201180016757A CN102834200B CN 102834200 B CN102834200 B CN 102834200B CN 201180016757 A CN201180016757 A CN 201180016757A CN 102834200 B CN102834200 B CN 102834200B
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- sand
- sandbox
- model bracket
- molding sand
- opposing party
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/02—Compacting by pressing devices only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
Disclosed are a mold molding device and a mold molding method whereby it is possible to prevent sand sticking to the inner wall of a sand hopper and simplify the structure of the device. After using a sand filling means to fill molding sand into a molding space formed by a molding frame, an overlay frame, and a pattern plate which is mounted on a pattern carrier, the molding sand which has been filled into the molding space is squeezed using a squeezing means and the mold is formed. The sand filling means is equipped with: a sand hopper which is disposed above the molding frame and the overlay frame, and which stores the molding sand; an open-close louver gate which is disposed inside the sand hopper; a sand supply port open-close means which is disposed in the upper section of the sand hopper, and which opens and closes a sand supply port for suppling the molding sand to the interior of the sand hopper; and an air jet chamber which is mounted on the inner surface of the sand hopper.
Description
Technical field
The present invention relates to mold forming apparatus and process for making molds by the molding sand compacting being filled in sandbox is carried out to moulding to casting mold.
Background technology
In the past, as mold forming apparatus, for example be known to following mold forming apparatus: be arranged to sand hopper and compacting unit are linked, alternately move into and take out of described sand hopper and described compacting unit with respect to the top of sandbox and lining case (overlay frame), wherein, the upper end open of described sand hopper and possess the shutter (louver) of open and close type in bottom, described compacting unit has multiple contact presser feets (segment squeeze foot) (for example,, with reference to patent documentation 1).
Patent documentation 1: Japanese kokai publication hei 7-185740 communique
But the structure of patent documentation 1 exists sand can be attached to the such problem of internal face of described sand hopper.And, owing to alternately moving into and take out of described sand hopper and described compacting unit with respect to the top of sandbox and lining case, therefore need the mechanism that advanced in described sand hopper and described compacting unit, thereby exist the structure of device to become the such problem of complexity.
Summary of the invention
The present invention completes in view of the above problems, and its object is to provide a kind of mold forming apparatus and process for making molds, can prevent that sand is attached to the internal face of sand hopper, and can make the structure of device become simple.
In order to reach above-mentioned purpose, mold forming apparatus of the present invention is utilizing sand filler cells molding sand to be filled in by after loading the space design that becomes in the mould plate of model bracket, sandbox and lining box-shaped, utilize compacting unit by the molding sand compacting being filled in after this space design, thus casting mold is carried out to moulding, described mold forming apparatus is characterised in that, described sand filler cells possesses: sand hopper, and this sand hopper is disposed at the top of described sandbox and lining case, and described molding sand is stored in to its inside; The shutter gate of open and close type, the shutter gate of this open and close type is disposed in the inside of this sand hopper; Sand supply port opening/closing unit, this sand supply port opening/closing unit makes to open and close as the sand supply port of peristome, and this peristome is disposed in the top of described sand hopper and for supply with described molding sand in described sand hopper; And air ejection chamber, this air ejection chamber is installed on the inner surface of described sand hopper.
And mold forming apparatus of the present invention is characterised in that to possess: the lift cylinders that is installed on base station; Workbench with this lift cylinders link; Model bracket, this model bracket is placed with mould plate and is provided with and surrounds the periphery of this mould plate the frame shape frame moving up and down, and is moved into and take out of with respect to the top of described workbench; Sandbox is moved into and is taken out of mechanism, and this sandbox is moved into and taken out of mechanism and above this model bracket, move into and take out of described sandbox; Compacting unit, this compacting unit is disposed in described sandbox and moves into the inner side of taking out of mechanism; Above described sandbox, be arranged to can lifting described lining case; And described sand filler cells, described molding sand is filled in space design by described sand filler cells, and this space design is by being disposed in the outside of described base station and being taken out of described mould plate, the sandbox in the outside of described base station from the top of described workbench and serve as a contrast box-shaped.
And then mold forming apparatus of the present invention is characterised in that, steam supply valve is communicated with described sand filler cells.
And, in order to reach above-mentioned purpose, process for making molds of the present invention is utilizing sand filler cells molding sand to be filled in by after loading the space design that becomes in the mould plate of model bracket, sandbox and lining box-shaped, utilize compacting unit by the molding sand compacting being filled in after this space design, thus casting mold is carried out to moulding, described process for making molds is characterised in that, the operation of utilizing described sand filler cells that molding sand is filled in to described space design has; The operation that the sand supply port opening/closing unit of described sand filler cells is closed; Make air from being installed on the operation of air ejection chamber ejection of inner surface of sand hopper of described sand filler cells; And the operation that the shutter gate of the open and close type of described sand filler cells is opened.
And, process for making molds of the present invention is characterised in that, have: be placed with described mould plate, and be provided with in two described model brackets of the frame shape frame that surrounds the periphery of this mould plate and move up and down, one side's described model bracket is disposed at workbench top, and the opposing party's described model bracket is disposed at the outside of base station, and then, on the model bracket of one, be placed with empty described sandbox and lining case, and on described the opposing party's model bracket, be placed with described sandbox and the lining case of filling after described molding sand, under above-mentioned state, by the model bracket of one, empty sandbox and lining case are taken out of the outside of described base station, and by described the opposing party's model bracket, fill the sandbox after molding sand and serve as a contrast case the operation of moving into described workbench top, make described the opposing party model bracket, fill the operation that sandbox after molding sand and lining case rise, the operation of the upper surface of frame shape frame that makes described the opposing party's model bracket in the outstanding state of the die joint from described mould plate, the lower surface that makes described sand hopper and the upper surface butt of lining case in outside of being taken out of described base station, thus by loading in the mould plate of the model bracket of one, empty sandbox and serving as a contrast box-shaped and become the operation of space design, the operation that makes the compacting parts decline of described compacting unit and described molding sand is carried out to a compacting, sandbox is moved into and taken out of the operation that mechanism closes, make this mould plate increase until the upper surface of frame shape frame of described the opposing party's model bracket and the die joint of described mould plate in equal height position and make described compacting parts decline and described molding sand is carried out to the operation of secondary compaction, utilize described sand filler cells molding sand to be filled in to the operation of described space design, after the rising of carrying out the described mould plate in described secondary compaction process finishes, described compacting parts are further declined and the operation of described molding sand being carried out to three compactings, the described mould plate that makes described the opposing party's model bracket declines and the operation of carrying out the demoulding, the operation that described sand hopper is separated with the lining case in outside of being taken out of described base station, the operation that described the opposing party's model bracket is declined, by the operation of the shutter closing gate of the open and close type of described sand filler cells, the sand supply port opening/closing unit of described sand filler cells is opened, thereby described molding sand is supplied to the operation in described sand hopper from sand supply port, empty sandbox is moved into the operation of the position between the lining case of top and described the opposing party's the model bracket of the model bracket that is disposed at described the opposing party, empty sandbox and lining case are loaded to the operation on described the opposing party's model bracket, and described sandbox is moved into the operation of taking out of mechanism opening.
And then, process for making molds of the present invention is characterised in that, have: be placed with described mould plate, and be provided with in two described model brackets of the frame shape frame that surrounds the periphery of this mould plate and move up and down, one side's described model bracket is disposed at workbench top, and the opposing party's described model bracket is disposed at the outside of base station, and then, on the model bracket of one, be placed with empty described sandbox and lining case, and on described the opposing party's model bracket, be placed with described sandbox and the lining case of filling after described molding sand, under above-mentioned state, by the model bracket of one, empty sandbox and lining case are taken out of the outside of described base station, and by described the opposing party's model bracket, fill the sandbox after molding sand and serve as a contrast case the operation of moving into described workbench top, make described the opposing party model bracket, fill the operation that sandbox after molding sand and lining case rise, the operation of the upper surface of frame shape frame that makes described the opposing party's model bracket in the outstanding state of the die joint from described mould plate, the lower surface that makes described sand hopper and the upper surface butt of lining case in outside of being taken out of described base station, thus by loading in the mould plate of the model bracket of one, empty sandbox and serving as a contrast box-shaped and become the operation of space design, make described the opposing party model bracket, fill that sandbox after molding sand and lining case further rise and the operation of described molding sand being carried out to a compacting, sandbox is moved into and taken out of the operation that mechanism closes, make this mould plate increase until the upper surface of frame shape frame of described the opposing party's model bracket and the die joint of described mould plate, in equal height position, carry out the operation of secondary compaction thus to described molding sand, utilize described sand filler cells molding sand to be filled in to the operation of described space design, after the rising of carrying out the described mould plate in described secondary compaction process finishes, make described the opposing party model bracket, fill that sandbox after molding sand and lining case further rise and the operation of described molding sand being carried out to three compactings, the described mould plate that makes described the opposing party's model bracket declines and the operation of carrying out the demoulding, the operation that described sand hopper is separated with the lining case in outside of being taken out of described base station, the operation that described the opposing party's model bracket is declined, by the operation of the shutter closing gate of the open and close type of described sand filler cells, the sand supply port opening/closing unit of described sand filler cells is opened, thereby described molding sand is supplied to the operation in described sand hopper from sand supply port, empty sandbox is moved into the operation of the position between the lining case of top and described the opposing party's the model bracket of the model bracket that is disposed at described the opposing party, empty sandbox and lining case are loaded to the operation on described the opposing party's model bracket, and described sandbox is moved into the operation of taking out of mechanism opening.
And then, process for making molds of the present invention is characterised in that, utilizing after molding sand is filled in the operation of described space design by described sand filler cells, the steam supply valve being communicated with described sand filler cells is opened, make thus through-flow in the molding sand of compressed air in described space design, thereby the molding sand in described space design is carried out to precommpression.
Because the present invention is formed as: utilizing sand filler cells molding sand to be filled in by after loading the space design that becomes in the mould plate of model bracket, sandbox and lining box-shaped, utilize compacting unit by the molding sand compacting being filled in after this space design, thus casting mold is carried out to moulding, described sand filler cells possesses: sand hopper, this sand hopper is disposed at the top of described sandbox and lining case, and described molding sand is stored in to its inside; The shutter gate of open and close type, the shutter gate of this open and close type is disposed in the inside of this sand hopper; Sand supply port opening/closing unit, this sand supply port opening/closing unit makes to open and close as the sand supply port of peristome, and this peristome is disposed in the top of described sand hopper and for supply with described molding sand in described sand hopper; And air ejection chamber, this air ejection chamber is installed on the inner surface of described sand hopper, therefore has and can prevent that sand is attached to the various effects such as the internal face of sand hopper.
Brief description of the drawings
Fig. 1 is the side view cutaway drawing that embodiments of the present invention are shown, is to be illustrated on the model bracket (pattern carrier) of workbench top, to be placed with empty sandbox and lining case and on the model bracket in the outside of base station, to be placed with sandbox after filled-type sand and the figure of the state of lining case.
Fig. 2 illustrates by turntable is rotated empty sandbox and lining case take out of the outside of base station and will fill the sandbox after molding sand and serve as a contrast case the side view cutaway drawing of the state behind workbench top of moving into.
Fig. 3 is illustrated in the side view cutaway drawing that workbench side rises sandbox, lining case and frame shape frame and forms the state after space design in the outside of base station.
Fig. 4 is illustrated in workbench side molding sand is carried out a compacting and sandbox moved into the side view cutaway drawing of taking out of the state after conveyer cuts out.
Fig. 5 is illustrated in the side view cutaway drawing that workbench side is carried out secondary compaction to molding sand and in the outside of base station, molding sand is filled into the state after space design.
Fig. 6 is the side view cutaway drawing that is illustrated in workbench side molding sand is carried out three states after compacting.
Fig. 7 is illustrated in workbench side to carrying out the demoulding and making model bracket, sandbox in the outside of base station and serve as a contrast the side view cutaway drawing of the state after case declines.
Fig. 8 is illustrated in the side view cutaway drawing that workbench side loads on roller by sandbox and in the outside of base station, molding sand is supplied to state later in sand hopper.
Fig. 9 is illustrated in workbench side empty sandbox and lining case are loaded and on model bracket and by sandbox, move into the side view cutaway drawing of taking out of the state after conveyer is opened.
Figure 10 is the amplification view of the sand filler cells of Fig. 1.
Figure 11 is the side view cutaway drawing that the second embodiment of the present invention is shown, is to be illustrated on the model bracket of workbench top, to be placed with empty sandbox and lining case and on the model bracket in the outside of base station, to be placed with sandbox after filled-type sand and the figure of the state of lining case.
Figure 12 illustrates by turntable is rotated empty sandbox and lining case take out of the outside of base station and will fill the sandbox after molding sand and serve as a contrast case the side view cutaway drawing of the state behind workbench top of moving into.
Figure 13 is illustrated in the side view cutaway drawing that workbench side rises sandbox, lining case and frame shape frame and forms the state after space design in the outside of base station.
Figure 14 is illustrated in workbench side molding sand is carried out a compacting and sandbox moved into the side view cutaway drawing of taking out of the state after conveyer cuts out.
Figure 15 is illustrated in the side view cutaway drawing that workbench side is carried out secondary compaction to molding sand and in the outside of base station, molding sand is filled into the state after space design.
Figure 16 is the side view cutaway drawing that is illustrated in workbench side molding sand is carried out three states after compacting.
Figure 17 is illustrated in workbench side to carrying out the demoulding and making model bracket, sandbox in the outside of base station and serve as a contrast the side view cutaway drawing of the state after case declines.
Figure 18 is illustrated in the side view cutaway drawing that workbench side loads on roller by sandbox and in the outside of base station, molding sand is supplied to state later in sand hopper.
Figure 19 is illustrated in workbench side make to serve as a contrast case rising and make all side view cutaway drawings of the state after centre position stops of multiple cylinders.
Figure 20 is illustrated in workbench side by empty sandbox and serves as a contrast case the side view cutaway drawing that loads state later on model bracket.
Figure 21 is the amplification detailed section view that the compacting unit of the second embodiment is shown.
Figure 22 is the amplification detailed section view of an example of the action of the compacting unit for the second embodiment is described.
Detailed description of the invention
Below, based on accompanying drawing, embodiments of the present invention are elaborated.In Fig. 1, being equipped with lift cylinders 2(in the central upper of base station 1 is hydraulic cylinder in the present embodiment), workbench 3 links with the front end of this lift cylinders 2.And then, being equipped with guide rod 4 in two outsides of described lift cylinders 2, this guide rod 4 can slide up and down interior perforation the into of keeper 5 being assemblied on described base station 1.In addition, the front end of this guide rod 4 and described workbench 3 link.
And then the left and right sides (with reference to Fig. 1) on described base station 1 erects and is provided with pillar 6, has set up upper frame 7 between the upper end of this pillar 6.And then the side (in Fig. 1 be left side) of the central part of turntable 8 in described pillar 6 below is supported to and can rotates in horizontal plane, the main shaft of this turntable 8 is also used as the pillar 6 in left side in described Fig. 1.And then, setting up support unit at this turntable 8, model bracket 9,9A load in the both ends of this turntable 8 via this not shown support unit.In addition, utilize not shown actuator that this turntable 8 is rotated, for example, can enumerate hydraulic cylinder etc. as actuator.And described turntable 8 rotates under the state in the end that declines at described workbench 3, moves into and takes out of described model bracket 9,9A thus with respect to the top of described workbench 3.
And, on described model bracket 9,9A, be placed with mould plate 10,10A, be provided with and surround this mould plate 10, the periphery of 10A and the frame shape frame 11 moving up and down at this model bracket 9,9A.And, on described model bracket 9,9A, be placed with sandbox W and lining case 17.
And being equipped with multiple (being in the present embodiment 4) frame shape frame lift cylinders 12(at described workbench 3 is hydraulic cylinder in the present embodiment), bar head 13 links with the front end of this frame shape frame lift cylinders 12.And, hang and be provided with multiple (being in the present embodiment 4) and hang and establish bar 14 at the lower surface of described frame shape frame 11.In addition, establish bar 14 described frame shape frame 11 is moved up and down by the flexible work of described frame shape frame lift cylinders 12 and via described hanging.And, be equipped with the not shown clamping device that clamps described model bracket 9,9A at described workbench 3.Thus, the decline end that is clamped in described workbench 3 is disengaged, if described workbench 3 rises, described model bracket 9,9A are clamped at this workbench 3.
And, be equipped with in the inner side of described pillar 6 as moving into the sandbox of taking out of sandbox W above with respect to described model bracket 9,9A and move into the sandbox that can open and close of taking out of mechanism and move into and take out of conveyer 15.This sandbox is moved into and is taken out of conveyer 15 and be configured to and comprise: upper end and framework 15a connect to the arm 15b that can rotate; Be assemblied in the roller 15c of the front end (lower end) of this arm 15b; And at the fixing lining case mounting parts 15d in the centre position of the vertical direction of described arm 15b.
And then, be fixed with multiple (being in the present embodiment 4) alignment pin 16 on the top of these lining case mounting parts 15d.Wherein, when described lining case 17 loads in the time that described lining case mounting parts 15d is upper, utilize this alignment pin 16 to position described lining case mounting parts 15d and described lining case 17.
And described sandbox is moved into and taken out of conveyer 15 and establish parts 18 and be hung at lifting frame 19 via hanging, this lifting frame 19 is moved into and is taken out of mechanism's lift cylinders and carry out lifting because of not shown sandbox.
And, move into the inner side of taking out of conveyer 15 at described sandbox and be equipped with compacting unit 20.This compacting unit 20 is configured to and comprises: multiple cylinders (being hydraulic cylinder in the present embodiment) 20a; As the presser feet 20b of the compacting parts that link with the front end of this cylinder 20a; And support the supporting mass 20c of this cylinder 20a.Wherein, this supporting mass 20c is fixed on the central lower of described upper frame 7.
And, below the described model bracket 9A in the outside in described base station 1, be equipped with model bracket lifting unit 21.Herein, this model bracket lifting unit 21 is described in detail.In the central upper of pallet 21a, model bracket lift cylinders 21b(being installed is hydraulic cylinder in the present embodiment), the front end of driven roller conveyer 21c and this model bracket lift cylinders 21b links.And then, being equipped with guide rod 21d in two outsides of described model bracket lift cylinders 21b, this guide rod 21d connects into and can slide up and down in the keeper 21e being installed on described pallet 21a.Wherein, the front end of this guide rod 21d and described driven roller conveyer 21c link.And, the not shown clamping device that clamps described model bracket 9,9A is installed at described driven roller conveyer 21c.Thus, the decline end that is clamped in described driven roller conveyer 21c is disengaged, if described driven roller conveyer 21c rises, described model bracket 9,9A are clamped by this driven roller conveyer 21c.
In addition, in the time that described model bracket 9,9A are replaced by other model bracket, utilize the not shown clamping unit that is installed on sand hopper 22a described later to clamp described sandbox W and the lining case 17 in described base station 1 outside.And then, make described model bracket lift cylinders 21b work, thereby only make described model bracket 9,9A in specified altitude.And then, the clamping of the described not shown clamping device based on clamping described model bracket 9,9A is removed.And then, make described driven roller conveyer 21c work, take out of thus model bracket 9,9A on this driven roller conveyer 21c, and move into other model bracket.
And, above the described sandbox W in described base station 1 outside and lining case 17, being equipped with sand filler cells 22, this sand filler cells 22 is fixed on scaffold 23.Herein, this sand filler cells 22 is described in detail.As shown in figure 10, be equipped with the shutter gate 24 of open and close type in the lower inner that molding sand S is stored in to inner sand hopper 22a, the shutter gate 24 of this open and close type is formed as disposing in the horizontal direction the structure of multiple door-plate 24b, and turning cylinder 24a is fixed in one end of this door-plate 24b.And the position between the shutter gate 24 of described open and close type and the lower surface of described sand hopper 22a of the outside in described sand hopper 22a is provided with not shown parting compound spray unit.
And, be equipped with sand supply port opening/closing unit 25 on the top of described sand hopper 22a.Herein, this sand supply port opening/closing unit 25 is described in detail.Top at the shell 25a being communicated with described sand hopper 22a is provided with sand supply port 25b, this sand supply port 25b is formed as the peristome for supply with described molding sand S in described sand hopper 22a, is equipped with the door part 25c that this sand supply port 25b is opened and closed by flatly moving in the inside of described shell 25a.And then, the switching cylinder 25d that this door part 25c is flatly moved is installed in an end side surface of described shell 25a, the front end of described door part 25c and this switching cylinder 25d links.
And, spreading all over complete cycle and be provided with air ejection chamber 26 at the inner surface of described sand hopper 22a, this air ejection chamber 26 is made up of hollow chamber 26a and the porous plastid 26b that is disposed in the front end of this hollow chamber 26a.Wherein, not shown transfer valve is communicated with described hollow chamber 26a, if open this transfer valve, compressed air can be by described hollow chamber 26a from described porous plastid 26b ejection.And described porous plastid 26b is made into by ultra-high molecular weight polyethylene is carried out to sintering in the present embodiment.
And steam supply valve 28 is communicated with the shell 25a of described sand supply port opening/closing unit 25 via pipe arrangement 27, this steam supply valve 28 is communicated with not shown compressed air source.Wherein, label 29 represents that the sand at the top that is installed on described shell 25a drops into groove.
Action to the device forming with which describes The Ru.Fig. 1 shows following state: in two model brackets 9,9A, below one side's model bracket 9(, be called drag box model bracket) be disposed at workbench 3 tops, and below the opposing party's model bracket 9A(, be called cope model bracket) be disposed at the outside of base station 1, at described drag box with also loading free sandbox W and lining case 17 on model bracket 9, and at described cope with being placed with sandbox W after filled-type sand S on model bracket 9A and serving as a contrast case 17.Wherein, as the molding sand S in the present invention, for example, can enumerate the artificial sand of greensand, pottery system etc.
Turntable 8 is rotated under this state, thus model bracket 9 for drag box, empty sandbox W and lining case 17 are taken out of to the outside of base station 1, and sandbox W and lining case 17 after model bracket 9A, filling molding sand S for cope are moved into workbench 3 tops, thereby be formed as the state of Fig. 2.Next, make lift cylinders 2 extend action, sandbox W and the lining case 17 of make thus cope model bracket 9A via workbench 3, filling after molding sand S rise.And then, make frame shape frame lift cylinders 12 extend action, make thus the upper surface of frame shape frame 11 of cope model bracket 9A in the outstanding state of the die joint from mould plate 10A (being 30mm in the present embodiment).
And, in the outside of base station 1, make model bracket lift cylinders 21b extend action, make thus drag box model bracket 9, empty sandbox W and lining case 17 increase.Thus, the lower surface that makes sand hopper 22a and the upper surface butt of lining case 17 in outside of taking out of base station 1, form space design by loading in the mould plate 10 of drag box model bracket 9, empty sandbox W and serving as a contrast case 17, thereby be formed as the state of Fig. 3.Then, utilize described not shown parting compound spray unit to spray parting compound towards this space design.In addition, the not shown backstopping assembly of the rising that stops lining case 17 is installed at the lower surface of upper frame 7, under the state of Fig. 3, the upper surface of the lining case 17 of base station 1 side and the lower surface butt of this backstopping assembly.
Next, make multiple cylinder 20a extend action, make thus described presser feet 20b decline and molding sand S is carried out to a compacting.And then, utilize not shown opening/closing unit (for example cylinder) that sandbox moves into and takes out of conveyer 15 and cut out, thereby be formed as the state of Fig. 4.
Next, make lift cylinders 2 extend action, make thus this mould plate 10A increase until the upper surface of frame shape frame 11 of cope model bracket 9A with the die joint of mould plate 10A in equal height, and, make further decline and molding sand S is carried out to secondary compaction of presser feet 20b.Now, the state that keeps sandbox W and lining case 17 to be clamped by frame shape frame 11 and described not shown backstopping assembly., frame shape frame 11, sandbox W and lining case 17 do not move in vertical direction.
And, in the outside of base station 1, utilize sand filler cells 22 that molding sand S is filled in to described space design.This point is described in detail.First, make the switching cylinder 25d of sand supply port opening/closing unit 25 extend action, utilize thus door part 25c that sand supply port 25b is closed.And then if open described not shown transfer valve, compressed air is sprayed from porous plastid 26b by hollow chamber 26a.And then, utilize not shown door to open and close cylinder and make multiple turning cylinder 24a of the shutter gate 24 of open and close type carry out forward rotation, make multiple door-plate 24b change to plumbness (opening shutter gate 24) from level.So the molding sand S in sand hopper 22a is filled in described space design, thereby be formed as the state of Fig. 5.In addition, during filling molding sand S to described space design, continue ejection compressed air from porous plastid 26b, this compressed air is discharged from by the not shown air vent that is arranged at the not shown air vent of mould plate 10 or is arranged at the side of lining case 17.
Next,, after the rising of the mould plate 10A in described secondary compaction process finishes, presser feet 20b further declined and molding sand S is carried out to three compactings, thereby being formed as the state of Fig. 6.And, in the outside of base station 1, open steam supply valve 28, by making through-flow in the molding sand S of compressed air in described space design, the molding sand S in described space design is carried out to precommpression (precommpression of the so-called molding sand S based on flowing gas pressurization) thus.And then, the not shown air bleeding valve being communicated with shell 25a is opened, the compressed air residuing in sand hopper 22a is carried out to exhaust.
Next, make the mould plate 10A of cope model bracket 9A decline and carry out the demoulding.Now, maintain the state that sandbox W and lining case 17 are clamped by frame shape frame 11 and described not shown backstopping assembly., frame shape frame 11, sandbox W and lining case 17 do not move in vertical direction.Therefore, this mould plate 10A specified altitude (in the present embodiment for 30mm) that only declines, carries out this demoulding thus.
And, in the outside of base station 1, make model bracket lift cylinders 21b carry out contractive action, make thus drag box model bracket 9, sandbox W and lining case 17 decline.Thus, the upper surface of this lining case 17 is separated with the lower surface of sand hopper 22a, thereby be formed as the state of Fig. 7.
Next, make lift cylinders 2 carry out contractive action, make thus cope model bracket 9A, sandbox W and lining case 17 decline.So sandbox W is loaded in roller 15c upper, lining case 17 is loaded in lining case mounting parts 15d upper, and the pin 16 that is positioned is located.Now, along with the decline of lining case 17, the lower surface of described not shown backstopping assembly separates with lining case 17 upper surfaces.
Next, make multiple cylinder 20a carry out contractive action, make thus described presser feet 20b increase.And then, make frame shape frame lift cylinders 12 carry out contractive action at the decline end of workbench 3, make thus frame shape frame 11 decline.
And, in the outside of base station 1, utilize not shown door to open and close cylinder multiple turning cylinder 24a of the shutter gate 24 of open and close type rotated backward, thereby make multiple door-plate 24b change to level (closing shutter gate 24) from plumbness.And then, make the switching cylinder 25d of sand supply port opening/closing unit 25 carry out contractive action, thus sand supply port 25b is opened.And then, utilize not shown molding sand feed unit (for example, belt-type feeder) and via sand supply port 25b, molding sand S be supplied in sand hopper 22a, thereby being formed as the state of Fig. 8.
Next, utilize sandbox to move into take out of conveyer 15 the sandbox W after moulding is taken out of, and empty sandbox W is moved into the position between lining case 17 and cope use model bracket 9A.And then, utilize described not shown sandbox to move into take out of mechanism's lift cylinders that sandbox is moved into take out of conveyer 15 to decline, thereby empty sandbox W and lining case 17 are loaded on cope model bracket 9A.Then, utilize described not shown opening/closing unit that sandbox is moved into and taken out of conveyer 15 and open, thereby be formed as the state of Fig. 9.Next, utilize described not shown sandbox to move into take out of mechanism's lift cylinders that sandbox is moved into take out of conveyer 15 and rise, thereby be formed as the state of Fig. 1.Then, repeat above-mentioned action.
In addition, in the present invention, in the sand hopper 22a of shutter gate 24 that possesses open and close type, by sand supply port 25b is closed by under state airtight sand hopper 22a, compressed air is sprayed by the air of the inner surface from being installed on sand hopper 22a ejection chamber 26.Therefore, can prevent that sand is attached to the internal face of sand hopper 22a.And, open wide due to the upper end at sand hopper 22a but will under state airtight sand hopper 22a, spray compressed air from air ejection chamber 26, therefore can reduce the consumption that uses air.And if open the shutter gate 24 of open and close type, molding sand S is filled in described space design, now, also there is the compressed air by spraying from air ejection chamber 26 and this molding sand S is carried out to the such effect of preparatory compression.
And in the present invention, because sand filler cells 22 is disposed in the outside of base station 1, and compacting means 20 are disposed in base station 1 side (in detail, being that sandbox is moved into the inner side of taking out of mechanism), therefore without sand filler cells 22 and compacting means 20 are advanced.Therefore,, also without the mechanism that this sand filler cells 22 and compacting means 20 are advanced, can make thus the structure of device become simple.
In addition, although in embodiments of the present invention, utilize model bracket lifting unit 21 to make model bracket (being 9A in Fig. 1), sandbox W and lining case 17 carry out lifting in the outside of base station 1, but be not limited to this, also can not make this model bracket, sandbox W and lining case 17 carry out lifting, but make sand filler cells 22 carry out lifting.In this case, by sand filler cells 22 is declined, the lower surface that can make sand hopper 22a and the upper surface butt of lining case 17 in outside of being taken out of base station 1, form described space design thus.In addition, in order to make sand filler cells 22 carry out lifting, for example, as long as lift cylinders and sand filler cells 22 are linked.
And, although use in embodiments of the present invention multiple presser feet 20b as compacting parts, be not limited to this, for example can use a flat squeeze board as compacting parts.In addition, in this case, it can be also multiple that the cylinder that makes this squeeze board carry out lifting can be one.
And then, although show by ultra-high molecular weight polyethylene is carried out to the structure that sintering is made as porous plastid 26b in embodiments of the present invention, but be not limited to this, this porous plastid 26b runs through the structure that multiple holes (for example, the circular hole of φ 1mm～φ 2mm) is set on board-like material.
And then, take out of conveyer 15 and carry out lifting although the sandbox that allows in embodiments of the present invention to open and close is moved into, be not limited to this, this sandbox is moved into and is taken out of conveyer 15 and also can not carry out lifting but be fixed on upper frame 7.But, make this sandbox move into the structure of taking out of conveyer 15 liftings if be formed as above-mentioned embodiment, can be after empty sandbox W being moved into sandbox and moving on the roller 15c that takes out of conveyer 15, make at once sandbox move into take out of that conveyer 15 declines and empty sandbox W and lining case 17 are loaded on model bracket 9,9A.Thus, can shorten the cycle time of mold forming apparatus, from but preferred.
And then, although in embodiments of the present invention, utilizing after molding sand S is filled in the operation of described space design by sand filler cells 22, carry out the precommpression of pressurizeing to molding sand S based on described flowing gas by opening the steam supply valve 28 being communicated with sand filler cells 22, but, also can omit the precommpression of molding sand S nonessential based on this flowing gas pressurization.But, if carry out the precommpression of pressurizeing to molding sand S based on this flowing gas, the packed density of molding sand S mould plate 10,10A near can be improved, from but preferred.
The embodiment that next, will be different from above-mentioned embodiment (following, be called the first embodiment) describes as the second embodiment.First, to describing with the structural difference of the first embodiment.In the second embodiment, as shown in figure 11, in the bottom of moving into the sandbox that can open and close of taking out of mechanism as sandbox and move into the arm 101a that takes out of conveyer 101, multiple lining case lift cylinders 101b are installed, the front end link of lining case mounting parts 101c and this lining case lift cylinders 101b.And then, be fixed with multiple (being in the present embodiment 4) alignment pin 101d on the top of these lining case mounting parts 101c.Wherein, when lining case 102 loads in the time that described lining case mounting parts 101c is upper, described lining case mounting parts 101c and described lining case 102 are located by this alignment pin 101d.And, described arm 101, the lower end of upper end and upper frame 7 connects to and can rotate, and is formed as described sandbox and moves into and take out of conveyer 101 and do not carry out lifting in the second embodiment.
And, above the two ends of described lining case 102, being equipped with multiple downward cylinders 103, this downward cylinder 103 is assemblied in described upper frame 7.And then head member 104 links with the front end of this downward cylinder 103.
And, move into the inner side of taking out of conveyer 101 at described sandbox and be equipped with compacting means 105.These compacting means 105 are configured to and comprise: multiple cylinders (being hydraulic cylinder in the present embodiment) 105a of two rods; The presser feet 105b as compacting parts linking with the front end of this cylinder 105a; And support the supporting mass 105c of this cylinder 105a.Wherein, this supporting mass 105c is fixed on described upper frame 7.And as shown in figure 21, for multiple cylinder 105a of described pair of rod, top hydraulic pressure chamber 105d is communicated with via top access 105e separately from each other, and bottom hydraulic pressure chamber 105f is communicated with via bottom access 105g separately from each other.
And, above described compacting unit 105, be equipped with the bar altitude location unit 106 that the height and position of the piston rod 105h to described multiple cylinder 105a determines.This bar altitude location unit 106 is configured to and comprises: the positioning element lift cylinders 106a that is assemblied in the upper end of described upper frame 7; And the flat positioning element 106b linking with the front end of this positioning element lift cylinders 106a.Wherein, this positioning element 106b and described piston rod 105h do not link.
And, set up at the two ends of described lining case 102 can with the butt parts 102a of the head member of the front end of described downward cylinder 103 104 butts.And, although the air of described in the first embodiment sand hopper 22a inner surface ejection chamber 26 is only installed to the top of the shutter gate 24 of described open and close type, in the second embodiment this air spray chamber 26 be installed to described open and close type shutter gate 24 below.
It is more than the structural difference with the first embodiment.In addition, identical with the first embodiment structure.In addition, for the construction unit identical with the first embodiment, utilize identical label to represent and omission is described.
Action to the second embodiment forming with which describes.Figure 11 shows following state: in two model brackets 9,9A, below one side's model bracket 9(, be called drag box model bracket) be disposed at workbench 3 tops, and below the opposing party's model bracket 9A(, be called cope model bracket) be disposed at the outside of base station 1, and then at described drag box with being placed with empty sandbox W and lining case 102 on model bracket 9, and at described cope with being placed with sandbox W after filled-type sand S on model bracket 9A and serving as a contrast case 102.
In addition, in Figure 11, multiple cylinder 105a of compacting unit 105 all stop in position that is the centre position of the half of whole stroke.This point is described in detail, utilize first in advance the positioning element lift cylinders 106a of bar altitude location unit 106 to make positioning element 106b drop to the end that declines.Then, make multiple cylinder 105a increase until the lower surface butt of the upper surface of piston rod 105h and positioning element 106b.Like this, multiple cylinder 105a are all stopped in centre position.
Under this state, make turntable 8 rotate, thus model bracket 9 for drag box, empty sandbox W and lining case 102 are taken out of to the outside of base station 1, and sandbox W and lining case 102 after model bracket 9A, filling molding sand S for cope are moved into workbench 3 tops, thereby be formed as the state of Figure 12.Next, make lift cylinders 2 extend action, sandbox W and the lining case 102 of make thus cope model bracket 9A via workbench 3, filling after molding sand S rise.
And then, make frame shape frame lift cylinders 12 extend action, make thus the upper surface of frame shape frame 11 of cope model bracket 9A in the outstanding state of the die joint from mould plate 10A (being 30mm in the present embodiment).And then, make positioning element lift cylinders 106a carry out contractive action, make thus positioning element 106b increase, thereby the upper surface of piston rod 105h is separated with the lower surface of positioning element 106b.
And, in the outside of base station 1, make drag box model bracket 9, empty sandbox W and lining case 102 increase by making model bracket lift cylinders 21b extend action.Thus, the lower surface that makes sand hopper 22a and the upper surface butt of lining case 102 in outside of being taken out of base station 1, form space design by loading in the sandbox W of the mould plate 10 of drag box model bracket 9, sky and serving as a contrast case 102, thereby be formed as the state of Figure 13.Then, utilize not shown parting compound spray unit to spray parting compound to this space design.In addition, under the state of Figure 13, the upper surface of the butt parts 102a at lining case 102 two ends of base station 1 side and downwards the lower surface butt of the head member 104 of cylinder 103 front ends.
Next, make lift cylinders 2 extend action, sandbox W and the lining case 102 of make thus cope model bracket 9A via workbench 3, filling after molding sand S further rise, thereby molding sand S is carried out to a compacting.Then, utilize not shown opening/closing unit (for example cylinder) that sandbox moves into and takes out of conveyer 101 and cut out, thereby be formed as the state of Figure 14.
Next, make lift cylinders 2 extend action, make thus this mould plate 10A increase until the upper surface of frame shape frame 11 of cope model bracket 9A and the die joint of mould plate 10A, in equal height, carry out secondary compaction to molding sand S thus.Now, the state that keeps sandbox W and lining case 102 to be clamped by frame shape frame 11 and head member 104.
And, in the outside of base station 1, utilize sand filler cells 22 that molding sand S is filled in to described space design.This point is described in detail.First, make the switching cylinder 25d of sand supply port opening/closing unit 25 extend action, utilize thus door part 25c that sand supply port 25b is closed.And then if open described not shown transfer valve, compressed air is sprayed from porous plastid 26b by hollow chamber 26a.And then, utilize not shown door to open and close cylinder and make multiple turning cylinder 24a of the shutter gate 24 of open and close type carry out forward rotation, make multiple door-plate 24b change to plumbness (opening shutter gate 24) from level.So the molding sand S in sand hopper 22a is filled in described space design, thereby be formed as the state of Figure 15.In addition, during filling molding sand S to described space design, continue ejection compressed air from porous plastid 26b, this compressed air is discharged from by the not shown air vent of side that is arranged at the not shown air vent of mould plate 10 or is arranged at lining case 102.
Next, after the rising of mould plate 10A in described secondary compaction process finishes, make lift cylinders 2 further extend action, further rise and molding sand S is carried out to three compactings via sandbox W and lining case 102 after model bracket 9A, filling molding sand S for workbench cope thus, thereby being formed as the state of Figure 16.And, in the outside of base station 1, open steam supply valve 28, by making through-flow in the molding sand S of compressed air in described space design, the molding sand S in described space design is carried out to precommpression (precommpression of the so-called molding sand S based on flowing gas pressurization) thus.Then, the not shown air bleeding valve being communicated with shell 25a is opened, the compressed air residuing in sand hopper 22a is carried out to exhaust.
Next, make the mould plate 10A of cope model bracket 9A decline and carry out the demoulding.Now, maintain the state that sandbox W and lining case 102 are clamped by frame shape frame 11 and head member 104, this frame shape frame 11, sandbox W and lining case 102 do not move in vertical direction.Therefore, this mould plate 10A specified altitude (in the present embodiment for 30mm) that only declines, carries out this demoulding thus.
And, in the outside of base station 1, make model bracket lift cylinders 21b carry out contractive action, make thus drag box model bracket 9, sandbox W and lining case 102 decline.Thus, the upper surface of this lining case 102 is separated with the lower surface of sand hopper 22a, thereby be formed as the state of Figure 17.
Next, make lift cylinders 2 carry out contractive action, make thus cope model bracket 9A, sandbox W and lining case 102 decline.So sandbox W is loaded on roller 101e.Now, along with the decline of lining case 102, cylinder 103 also extends action downwards.And then make frame shape frame lift cylinders 12 carry out contractive action at the decline end of workbench 3, make thus frame shape frame 11 decline.
And, in the outside of base station 1, utilize not shown door to open and close cylinder multiple turning cylinder 24a of the shutter gate 24 of open and close type rotated backward, thereby make multiple door-plate 24b change to level (closing shutter gate 24) from plumbness.And then, make the switching cylinder 25d of sand supply port opening/closing unit 25 carry out contractive action, thus sand supply port 25b is opened.Then, utilize not shown molding sand feed unit (for example, belt-type feeder) and via sand supply port 25b, molding sand S be supplied in sand hopper 22a, thereby being formed as the state of Figure 18.
Next, make to serve as a contrast case lift cylinders 101b and extend action, make to serve as a contrast case 102 via serving as a contrast case mounting parts 101c and alignment pin 101d thus and rise.Now, along with the rising of lining case 102, cylinder 103 also carries out contractive action downwards.
Next, multiple cylinder 105a are all moved so that piston rod 105h declines, make presser feet 105b all drop to the end that declines.Then, make positioning element lift cylinders 106a extend action, make thus positioning element 106b drop to the end that declines.Then, multiple cylinder 105a are all moved so that piston rod 105h rises, make thus the upper surface of whole piston rod 105h and the lower surface butt of positioning element 106b.With which, multiple cylinder 105a are all stopped in position that is the centre position of the half of whole stroke, thereby be formed as the state of Figure 19.
Next, utilize sandbox to move into take out of conveyer 101 the sandbox W after moulding is taken out of, and empty sandbox W is moved into the position between lining case 102 and cope use model bracket 9A.Then, make lift cylinders 2 extend action, thus empty sandbox W is loaded in cope model bracket 9A above, from roller 101e, slightly prop this sandbox W.Then, make to serve as a contrast case lift cylinders 101b and carry out contractive action, make thus to serve as a contrast case 102 and decline and loaded in empty sandbox W above, thereby be formed as the state of Figure 20.Now, along with the decline of lining case 102, cylinder 103 also extends action downwards.And, will the positioning solution of lining case mounting parts 101c and lining case 102 be removed based on alignment pin 101d.
Next, utilize not shown opening/closing unit that sandbox is moved into and taken out of conveyer 101 and open.Then, make lift cylinders 2 carry out contractive action, make thus empty sandbox W and lining case 102 decline, thereby be formed as the state of Figure 11.Then, repeat above-mentioned action.
In addition, in the second embodiment, in the time carrying out an above-mentioned compacting, secondary compaction and three compactings, compacting unit 105 carries out following action.As shown in figure 22, by presser feet 105b promptly upward the oil of the top hydraulic pressure chamber 105d of the cylinder 105a of jack-up flow into the top hydraulic pressure chamber 105d of the cylinder 105a it near, the presser feet 105b of this cylinder 105a near is pressed down.Can be with uniform pressure by the back side compacting of casting mold by carrying out such action.
And, in the second embodiment, can work as while carrying out three compactings or after three compactings, oil is supplied to the top hydraulic pressure chamber 105d of all cylinder 105a, utilize the presser feet 105b of these all cylinder 105a by the back side compacting of casting mold.
And, although the bar altitude location unit 106 of above-mentioned the second embodiment utilizes positioning element lift cylinders 106a to make flat positioning element 106b lifting, but be not limited to this, can utilize actuator (for example, walking crosswise cylinder) that flat positioning element is moved horizontally.In this case, for example run through the through hole that other piston rod 105h can pass through is set at this positioning element in advance.Then, this positioning element and the front end of walking crosswise cylinder are linked, this positioning element can be moved horizontally.So, walking crosswise the elongation end of cylinder, the center of other piston rod 105h is consistent with the center of described through hole, and this piston rod 105h can be freely by described through hole.And, walking crosswise the serrated end of cylinder, the plane of other piston rod 105h departs from described through hole.Thus, piston rod 105h is all declined and is making to walk crosswise cylinder after serrated end, if make piston rod 105h all increase, the upper surface of all piston rod 105h can with the lower surface of this positioning element (not thering is the position of described through hole) butt.If so, identical with above-mentioned the second embodiment, can make multiple cylinder 105a all stop in position that is the centre position of the half of whole stroke.
And then, although in second embodiment of the invention, utilize model bracket lifting unit 21 to make model bracket (being 9A in Figure 11), sandbox W and lining case 17 carry out lifting in the outside of base station 1, but be not limited to this, also can not make this model bracket, sandbox W and lining case 102 carry out lifting, but make sand filler cells 22 carry out lifting.In this case, by sand filler cells 22 is declined, the lower surface that can make sand hopper 22a and the upper surface butt of lining case 17 in outside of being taken out of base station 1, form described space design thus.In addition, in order to make sand filler cells 22 carry out lifting, for example, as long as lift cylinders and sand filler cells 22 are linked.
And then, although show by ultra-high molecular weight polyethylene is carried out to the structure that sintering is made as porous plastid 26b in second embodiment of the invention, but be not limited to this, this porous plastid 26b runs through the structure that multiple holes (for example, the circular hole of φ 1mm～φ 2mm) is set on board-like material.
And then, although make sandbox move into take out of conveyer 101 not carry out lifting, be not limited to this in second embodiment of the invention, also can make this sandbox move into and take out of conveyer 101 liftings.
And then, although in embodiments of the present invention, utilizing after molding sand S is filled in the operation of described space design by sand filler cells 22, carry out the precommpression of pressurizeing to molding sand S based on described flowing gas by opening the steam supply valve 28 being communicated with sand filler cells 22, but, also can omit the precommpression of molding sand S nonessential based on this flowing gas pressurization.But, if carry out the precommpression of pressurizeing to molding sand S based on this flowing gas, the packed density of molding sand S mould plate 10,10A near can be improved, from but preferred.
And, in the first embodiment of the present invention and the second embodiment, carry out in the preceding working procedure of operation of a compacting in base station 1 side, make cope model bracket 9A, fill sandbox W and lining case 17 after molding sand S, after 102 risings, make the upper surface of frame shape frame 11 of cope model bracket 9A in the outstanding state of the die joint from mould plate 10A, but be not limited to this, also can make the upper surface of frame shape frame 11 of cope model bracket 9A after the outstanding state of the die joint from mould plate 10A, make cope model bracket 9A, fill sandbox W and lining case 17 after molding sand S, 102 rise.And, the operation of the upper surface of can also simultaneously make cope model bracket 9A, filling the operation that sandbox W after molding sand S and lining case 17,102 rise and the frame shape frame 11 that makes cope model bracket 9A in the outstanding state of the die joint from mould plate 10A.
Label declaration
1 ... base station; 2 ... lift cylinders; 3 ... workbench; 9,9A ... model bracket; 10,10A ... mould plate; 11 ... frame shape frame; 15,101 ... sandbox is moved into and is taken out of mechanism; 17,102 ... lining case; 20,105 ... compacting unit; 20b, 105b ... compacting parts; 22 ... sand filler cells; 22a ... sand hopper; 24 ... the shutter gate of open and close type; 25 ... sand supply port opening/closing unit; 25b ... sand supply port; 26 ... air ejection chamber; 28 ... steam supply valve; S ... molding sand; W ... sandbox.
Claims (6)
1. a mold forming apparatus, this mold forming apparatus is utilizing sand filler cells molding sand to be filled in by sandbox, lining case and after loading the space design forming in the mould plate of model bracket, utilize compacting unit by the molding sand compacting being filled in after this space design, thus casting mold is carried out to moulding
Described mold forming apparatus is characterised in that, described sand filler cells possesses:
Sand hopper, this sand hopper is disposed at the top of described sandbox and lining case, and at molding sand described in internal storage;
The shutter gate of open and close type, the shutter gate of this open and close type is disposed in the inside of this sand hopper;
Sand supply port opening/closing unit, this sand supply port opening/closing unit makes to open and close as the sand supply port of peristome, and this peristome is disposed in the top of described sand hopper and for supply with described molding sand in described sand hopper; And
Air ejection chamber, this air ejection chamber is installed on the inner surface of described sand hopper,
Described air ejection chamber is made up of hollow chamber and the porous plastid that is disposed in the front end of this hollow chamber,
Described porous plastid is by ultra-high molecular weight polyethylene is carried out to the structure that sintering is made, or on board-like material, runs through the structure that the circular hole of multiple φ 1mm～φ 2mm forms is set.
2. mold forming apparatus according to claim 1, is characterized in that,
Described mold forming apparatus possesses:
Be installed on the lift cylinders of base station;
Workbench with this lift cylinders link;
Model bracket, this model bracket is placed with mould plate and is provided with and surrounds the periphery of this mould plate the frame shape frame moving up and down, and is moved into and take out of with respect to the top of described workbench;
Sandbox is moved into and is taken out of mechanism, and this sandbox is moved into and taken out of mechanism described sandbox is moved into and taken out of with respect to the top of this model bracket;
Compacting unit, this compacting unit is disposed in described sandbox and moves into the inner side of taking out of mechanism;
Above described sandbox, be arranged to can lifting described lining case; And
Described sand filler cells, described molding sand is filled in space design by described sand filler cells, this space design by sandbox, serve as a contrast case and the described mould plate that is disposed in the outside of described base station and taken out of the outside of described base station from the top of described workbench forms.
3. according to the mold forming apparatus described in any one in claim 1 or 2, it is characterized in that,
Steam supply valve is communicated with described sand filler cells.
4. a process for making molds, this process for making molds is utilizing sand filler cells molding sand to be filled in by sandbox, lining case and after loading the space design forming in the mould plate of model bracket, utilize compacting unit by the molding sand compacting being filled in after this space design, thus casting mold is carried out to moulding
Described process for making molds is characterised in that, the operation of utilizing described sand filler cells that molding sand is filled in to described space design has:
The operation that the sand supply port opening/closing unit of described sand filler cells is closed;
Make air from being installed on the operation of air ejection chamber ejection of inner surface of sand hopper of described sand filler cells; And
The operation that the shutter gate of the open and close type of described sand filler cells is opened,
Described process for making molds has following operation:
Be placed with described mould plate, and be provided with in two described model brackets of the frame shape frame that surrounds the periphery of this mould plate and move up and down, one side's described model bracket is disposed at workbench top, and the opposing party's described model bracket is disposed at the outside of base station, and then, on the model bracket of one, be placed with empty described sandbox and lining case, and on described the opposing party's model bracket, be placed with described sandbox and the lining case of filling after described molding sand, under above-mentioned state, by the model bracket of one, empty sandbox and lining case are taken out of the outside of described base station, and by described the opposing party's model bracket, fill the sandbox after molding sand and serve as a contrast case the operation of moving into described workbench top,
Make described the opposing party model bracket, fill the operation that sandbox after molding sand and lining case rise;
The operation of the upper surface of frame shape frame that makes described the opposing party's model bracket in the outstanding state of the die joint from described mould plate;
The lower surface that makes described sand hopper and the upper surface butt of lining case in outside of being taken out of described base station, thus by empty sandbox, lining case and load in the operation of the mould plate formation space design of the model bracket of one;
The operation that makes the compacting parts decline of described compacting unit and described molding sand is carried out to a compacting;
Sandbox is moved into and taken out of the operation that mechanism closes;
Make this mould plate increase until the upper surface of frame shape frame of described the opposing party's model bracket and the die joint of described mould plate in equal height position and make described compacting parts decline and described molding sand is carried out to the operation of secondary compaction;
Utilize described sand filler cells molding sand to be filled in to the operation of described space design;
After the rising of carrying out the described mould plate in described secondary compaction process finishes, described compacting parts are further declined and the operation of described molding sand being carried out to three compactings;
The described mould plate that makes described the opposing party's model bracket declines and the operation of carrying out the demoulding;
The operation that described sand hopper is separated with the lining case in outside of being taken out of described base station;
The operation that described the opposing party's model bracket is declined;
By the operation of the shutter closing gate of the open and close type of described sand filler cells;
The sand supply port opening/closing unit of described sand filler cells is opened, thereby described molding sand is supplied to the operation in described sand hopper from sand supply port;
Empty sandbox is moved into the operation of the position between the lining case of top and described the opposing party's the model bracket of the model bracket that is disposed at described the opposing party;
Empty sandbox and lining case are loaded to the operation on described the opposing party's model bracket; And
Described sandbox is moved into the operation of taking out of mechanism opening.
5. a process for making molds, this process for making molds is utilizing sand filler cells molding sand to be filled in by sandbox, lining case and after loading the space design forming in the mould plate of model bracket, utilize compacting unit by the molding sand compacting being filled in after this space design, thus casting mold is carried out to moulding
Described process for making molds is characterised in that, the operation of utilizing described sand filler cells that molding sand is filled in to described space design has:
The operation that the sand supply port opening/closing unit of described sand filler cells is closed;
Make air from being installed on the operation of air ejection chamber ejection of inner surface of sand hopper of described sand filler cells; And
The operation that the shutter gate of the open and close type of described sand filler cells is opened,
Described process for making molds has following operation:
Be placed with described mould plate, and be provided with in two described model brackets of the frame shape frame that surrounds the periphery of this mould plate and move up and down, one side's described model bracket is disposed at workbench top, and the opposing party's described model bracket is disposed at the outside of base station, and then, on the model bracket of one, be placed with empty described sandbox and lining case, and on described the opposing party's model bracket, be placed with described sandbox and the lining case of filling after described molding sand, under above-mentioned state, by the model bracket of one, empty sandbox and lining case are taken out of the outside of described base station, and by described the opposing party's model bracket, fill the sandbox after molding sand and serve as a contrast case the operation of moving into described workbench top,
Make described the opposing party model bracket, fill the operation that sandbox after molding sand and lining case rise;
The operation of the upper surface of frame shape frame that makes described the opposing party's model bracket in the outstanding state of the die joint from described mould plate;
The lower surface that makes described sand hopper and the upper surface butt of lining case in outside of being taken out of described base station, thus by loading in the mould plate of the model bracket of one, empty sandbox and serving as a contrast box-shaped and become the operation of space design;
Make described the opposing party model bracket, fill that sandbox after molding sand and lining case further rise and the operation of described molding sand being carried out to a compacting;
Sandbox is moved into and taken out of the operation that mechanism closes;
Make this mould plate increase until the upper surface of frame shape frame of described the opposing party's model bracket and the die joint of described mould plate, in equal height position, carry out the operation of secondary compaction thus to described molding sand;
Utilize described sand filler cells molding sand to be filled in to the operation of described space design;
After the rising of carrying out the described mould plate in described secondary compaction process finishes, make described the opposing party model bracket, fill that sandbox after molding sand and lining case further rise and the operation of described molding sand being carried out to three compactings;
The described mould plate that makes described the opposing party's model bracket declines and the operation of carrying out the demoulding;
The operation that described sand hopper is separated with the lining case in outside of being taken out of described base station;
The operation that described the opposing party's model bracket is declined;
By the operation of the shutter closing gate of the open and close type of described sand filler cells;
The sand supply port opening/closing unit of described sand filler cells is opened, thereby described molding sand is supplied to the operation in described sand hopper from sand supply port;
Empty sandbox is moved into the operation of the position between the lining case of top and described the opposing party's the model bracket of the model bracket that is disposed at described the opposing party;
Empty sandbox and lining case are loaded to the operation on described the opposing party's model bracket; And
Described sandbox is moved into the operation of taking out of mechanism opening.
6. according to the process for making molds described in claim 4 or 5, it is characterized in that,
Utilizing after molding sand is filled in the operation of described space design by described sand filler cells, the steam supply valve being communicated with described sand filler cells is opened, make thus through-flow in the molding sand of compressed air in described space design, thereby the molding sand in described space design is carried out to precommpression.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-178364 | 2010-08-09 | ||
| JP2010178364 | 2010-08-09 | ||
| JP2010-231158 | 2010-10-14 | ||
| JP2010231158A JP5626639B2 (en) | 2010-08-09 | 2010-10-14 | Mold making method |
| PCT/JP2011/052641 WO2011049249A2 (en) | 2010-08-09 | 2011-02-08 | Mold molding device and mold molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102834200A CN102834200A (en) | 2012-12-19 |
| CN102834200B true CN102834200B (en) | 2014-12-03 |
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ID=43900763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180016757.4A Active CN102834200B (en) | 2010-08-09 | 2011-02-08 | Mold molding device and mold molding method |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2604362A4 (en) |
| JP (1) | JP5626639B2 (en) |
| CN (1) | CN102834200B (en) |
| TW (1) | TW201210716A (en) |
| WO (1) | WO2011049249A2 (en) |
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| CN106623813A (en) * | 2016-12-28 | 2017-05-10 | 池州恒和精密机械有限公司 | Sand mold machining device for hollow casting |
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| CN104226925B (en) * | 2014-08-20 | 2017-05-17 | 安徽新宁装备股份有限公司 | Four-station sand shooting machine for coating iron mold with sand |
| DE102015205058A1 (en) * | 2015-03-20 | 2016-09-22 | Gelson G. Montero | Method and device for producing a casting mold for sand casting |
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| JP6601508B2 (en) * | 2016-02-10 | 2019-11-06 | 新東工業株式会社 | Mold making machine, sand filling compression unit and mold making method |
| JP6468242B2 (en) | 2016-05-17 | 2019-02-13 | 新東工業株式会社 | Frame making machine |
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| CN106890952B (en) * | 2017-04-25 | 2018-12-21 | 安徽新宁装备股份有限公司 | A kind of horizontal boxless moulding machine drag box |
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| TW202000335A (en) | 2018-06-15 | 2020-01-01 | 日商新東工業股份有限公司 | Mold molding apparatus and method for controlling mold molding apparatus |
| WO2019239735A1 (en) * | 2018-06-15 | 2019-12-19 | 新東工業株式会社 | Green sand mold molding sensor and green sand mold moldability evaluation method |
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| CN109014068B (en) * | 2018-08-20 | 2024-05-14 | 苏州苏铸成套装备制造有限公司 | Double-station double-sided compaction molding machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104769A (en) * | 1985-06-20 | 1986-12-24 | 丹斯克·英达斯特里·辛迪卡特A/S | The production method of parts of mould for foundry |
| DE3713937A1 (en) * | 1987-04-25 | 1988-11-03 | Badische Maschf Gmbh | Method for the production of casting moulds and a moulding installation for carrying out the method |
| US5127816A (en) * | 1988-09-07 | 1992-07-07 | Heinrich Wagner Sinto Maschinenfabrik Gmbh | Molding machine |
| CN1131591A (en) * | 1994-12-09 | 1996-09-25 | 新东工业株式会社 | Device for producing molds |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3908203A1 (en) * | 1989-03-14 | 1990-09-20 | Badische Maschf Gmbh | METHOD AND DEVICE FOR PRODUCING FOUNDRY MOLDS |
| JP3119334B2 (en) * | 1993-12-24 | 2000-12-18 | 新東工業株式会社 | Mold making equipment |
| JP2001138010A (en) * | 1999-11-19 | 2001-05-22 | Sintokogio Ltd | Filling-compressing method for molding sand and apparatus therefor, and injecting nozzle for molding sand |
| JP3407879B2 (en) * | 2000-04-13 | 2003-05-19 | 新東工業株式会社 | Method and apparatus for filling and compressing molding sand |
| JP4352364B2 (en) * | 2000-06-16 | 2009-10-28 | 新東工業株式会社 | Molding equipment for sand mold with frame |
| JP3701941B2 (en) * | 2002-12-10 | 2005-10-05 | メタルエンジニアリング株式会社 | Mold making method and apparatus, and casting frame engaging and disengaging apparatus |
| DE602005023142D1 (en) * | 2004-04-21 | 2010-10-07 | Sintokogio Ltd | METHOD FOR PRODUCING A SAND FORM |
| JP4232164B2 (en) * | 2005-08-19 | 2009-03-04 | 新東工業株式会社 | Pattern carrier transfer mechanism |
| US7762307B2 (en) * | 2007-01-16 | 2010-07-27 | Sintokogio Ltd. | Sand-introducing device using air, and method and apparatus for producing a mold |
| EP1964626A1 (en) * | 2007-02-17 | 2008-09-03 | Sintokogio, Ltd. | Method and device for producing tight-flask molds |
| CN101687250A (en) * | 2007-06-01 | 2010-03-31 | 新东工业株式会社 | Equipment for molding mold with molding flask, and method for molding mold with molding flask |
-
2010
- 2010-10-14 JP JP2010231158A patent/JP5626639B2/en active Active
-
2011
- 2011-02-08 CN CN201180016757.4A patent/CN102834200B/en active Active
- 2011-02-08 WO PCT/JP2011/052641 patent/WO2011049249A2/en active Application Filing
- 2011-02-08 EP EP11715147.2A patent/EP2604362A4/en not_active Withdrawn
- 2011-02-21 TW TW100105583A patent/TW201210716A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104769A (en) * | 1985-06-20 | 1986-12-24 | 丹斯克·英达斯特里·辛迪卡特A/S | The production method of parts of mould for foundry |
| DE3713937A1 (en) * | 1987-04-25 | 1988-11-03 | Badische Maschf Gmbh | Method for the production of casting moulds and a moulding installation for carrying out the method |
| US5127816A (en) * | 1988-09-07 | 1992-07-07 | Heinrich Wagner Sinto Maschinenfabrik Gmbh | Molding machine |
| CN1131591A (en) * | 1994-12-09 | 1996-09-25 | 新东工业株式会社 | Device for producing molds |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623813A (en) * | 2016-12-28 | 2017-05-10 | 池州恒和精密机械有限公司 | Sand mold machining device for hollow casting |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2604362A4 (en) | 2018-01-03 |
| JP2012055968A (en) | 2012-03-22 |
| TW201210716A (en) | 2012-03-16 |
| WO2011049249A2 (en) | 2011-04-28 |
| CN102834200A (en) | 2012-12-19 |
| JP5626639B2 (en) | 2014-11-19 |
| EP2604362A2 (en) | 2013-06-19 |
| WO2011049249A3 (en) | 2011-06-23 |
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