CN100436002C - Frame for molding machine and method of molding using the frame - Google Patents
Frame for molding machine and method of molding using the frame Download PDFInfo
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- CN100436002C CN100436002C CNB2005800076565A CN200580007656A CN100436002C CN 100436002 C CN100436002 C CN 100436002C CN B2005800076565 A CNB2005800076565 A CN B2005800076565A CN 200580007656 A CN200580007656 A CN 200580007656A CN 100436002 C CN100436002 C CN 100436002C
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Abstract
A flask for containing mold sand within it prevents any mold shifting or mold dropping. Each of an upper flask and a lower flask includes a body that defines an opening in which a sand mold is to be molded. The body has at least one inlet for introducing the mold sand into the opening. Two flanges are extended from the body such that they are opposed to each other across the opening. Each flange has a through bore. The flask also includes engaging members for engaging an actuator in the outside of the flask such that a force or forces from said actuator could be transmitted to the flask. An upper flask and a lower flask are opposed to each other across a pattern plate. They are integrally assembled to make a flask unit by means of a pair of connecting rods that are fitted in each bore.
Description
Technical field
The present invention relates to a kind of moulding machine with sand molding, and the formative method that uses this kind sandbox.
Background technology
Is example with the applicant through the content of transferring the possession of the Japan's special permission disclosed No.7-16705 patent in the Room (applying date is on July 2nd, 1993) obtain and being put down in writing, and no box moulding machine is well known.This kind moulding machine is applicable to that the mold that moulding is good is extracted from a pair of sandbox with molding top box and molding nowel after, if necessary, again with the side cover type frame of mold, and the formative method of pouring into a mould of extracting mold.
Put down in writing as above-mentioned patent, on the sandbox of existing moulding machine, molding top box and molding nowel are that single armed supports, only by the one side combination.Therefore, between molding top box and the molding nowel, generate the gap at sandbox in conjunction with the reverse side of a side in the time of coincidence, become the slit at sandbox in conjunction with an adnation when mold is extracted.As a result, because the surface of mold can not parallel with the surface that sandbox overlaps, mould shift has taken place.It makes easily that when molding mold and model can not carry out molding perpendicularly, and causes crush.
And in the molding top box and the molding nowel of mold are arranged, when particularly overlapping, be actually and be difficult to carry out high-precision coincidence by the mold coincidence arrangement.
Summary of the invention
Therefore, the object of the invention provides a kind of sandbox that prevents mould shift and crush, and the mold formative method that uses this kind sandbox.
The invention provides a kind of sandbox of splendid attire molding sand, this sandbox comprises:
One body which is provided with the opening that the mold moulding is used, and is provided with at least one supplies with molding sand in this opening molding sand supply port;
One installing component, it is connected with this body so that this sandbox is connected with the connecting rod of a plurality of support usefulness of reasonable quantity, these a plurality of connecting rods can connect as one a sandbox and other sandboxes, so make between the sandbox mutually near or away from.
According to of the present invention, a pair of sandbox can constitute a sandbox assembly.The shape of one of them sandbox and another sandbox can be identical, also can be different.
The sandbox assembly of being made up of sandbox among the present invention if above the template He on the following two sides model is arranged all, uses no sandbox formula moulding machine also can.
The present invention also provides the formative method of the no sandbox formula moulding machine that uses above-mentioned sandbox assembly, and this method comprises:
In the opening of a pair of sandbox that constitutes above-mentioned sandbox assembly, insert compression member respectively, and then form the space design division stage of a pair of space design;
In this a pair of space design, fill the filling stage of molding sand by above-mentioned molding sand supply port;
By above-mentioned compression member the molding sand of filling is compressed, the compression stage of mold is cut in moulding formation two and half.
Preferably, also comprise with sandbox in the space design division stage an ad-hoc location and fill the mobile phase that moves between the ad-hoc location in stage.
In this case, compression stage can carry out in the process that the sandbox assembly moves.
And, behind the compression stage, mold is provided with core in it the position of partly cutting in the sandbox assembly can also be moved.
The no sandbox formula moulding machine that is applicable to formative method of the present invention is preferably and includes: the rotating frame of mobile sandbox assembly and a pair of drive unit that respectively a pair of compression member driven between ad-hoc location in the space design division stage and filling stage one ad-hoc location.
In this case, drive unit can be done as a whole moving with rotating frame, also can be fixed in a certain position.Under the latter's the situation, the rigidity of rotating frame can be minimum.In a pair of drive unit one do as a whole moving with rotating frame, another one is fixed in a certain position and also is fine.Can reduce the rigidity of rotating frame in this case.
In the stage that space design is divided, a pair of space design can be divided simultaneously.It is applicable under the molding top box situation identical with molding nowel height.
In the stage that space design is divided, a pair of space design can be divided in different time.It is applicable under molding top box and the molding nowel height situation inequality.
The stage that space design is divided finished to accelerate the speed of moulding before the filling stage.
For example, only space design is once divided and made under the inadequate situation of filling of molding sand,, in the stage that molding sand is filled, space design is divided also at least once and be fine in order to improve.Can play the effect that improves filling effect thus.
The present invention also provides the formative method of the sandbox formula moulding machine that uses above-mentioned sandbox assembly, and this method comprises:
In the sandbox formula moulding machine, when by upper and lower sandbox assembly template being carried out clamping, compression member is inserted molding top box and molding nowel does not respectively up and down have the peristome at template place to form the stage of two space designs up and down;
Molding top box and molding nowel and template arranged vertical, and move to stage of molding sand supply port top;
In space design, fill the stage of molding sand respectively by the molding sand supply port;
When molding top box and molding nowel and template returned to level, the compression member of upper and lower was further inserted, the compression stage of the molding sand in the compression space design;
The stage that template and above-mentioned molding top box and molding nowel separate and take out of from the mold moulding machine;
Molding top box and molding nowel overlap, and form the stage of metal blowhole;
Upper and lower sandbox assembly is transferred to the cast parts place of pouring into a mould in the metal blowhole, the upper and lower sandbox assembly after this cast is transferred to the mold provision for disengagement that mold is dismantled, and the stage that mold is dismantled;
The upper and lower sandbox assembly that therefrom disassembles mold is sent back to the stage of box moulding machine.
Preferable molding sand among the present invention is that the green-sand of soil as binding agent taken off in class.
Description of drawings
Fig. 1 is the plane of a sandbox among the present invention.
Fig. 2 is a part of abridged side schematic view of the sandbox assembly that is made of a pair of sandbox among the present invention.
Fig. 3 is same as shown in Figure 2, the view that molding top box and molding nowel clamp match plate.
Fig. 4 is an embodiment who is applicable to the moulding machine of the inventive method, the front schematic view of a part of abridged shown in it.
Fig. 5 is the view of the A-A direction of Fig. 1, the schematic diagram of the state that the molding top box of the assembly of sandbox shown in it and molding nowel clamp match plate.
Fig. 6 is the floor map of the moulding machine of Fig. 4.
Fig. 7 is the schematic diagram of operation of the moulding machine of key diagram 4, demonstration be the state of in the sandbox assembly, filling molding sand.
Fig. 8 uses the flow chart of the summary of mold formative method of the present invention on the mo(u)lding equipment based on the no sandbox formula moulding machine of Fig. 4.
Fig. 9 is used for the flow chart of the summary of another mold formative method of the present invention for the no sandbox formula moulding machine that uses Fig. 4.
Figure 10 is the generalized schematic of the mo(u)lding equipment on basis for the sandbox formula moulding machine that is suitable for formative method of the present invention.
Figure 11 is the front schematic view of the sandbox formula moulding machine in the mo(u)lding equipment of Figure 10.
Figure 12 is the front schematic view of the sandbox assembly that uses of the sandbox formula moulding machine of Figure 11.
Figure 13 is the left surface schematic diagram of the sandbox assembly of Figure 12.
Figure 14 is the right flank schematic diagram of the sandbox assembly of Figure 12.
Figure 15 is the schematic diagram of operating instruction of the moulding machine of Figure 11, demonstration be the state of in the moulding assembly, filling molding sand.
The specific embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
Figure 1 shows that the sandbox F that the present invention is correlated with.What represent among the figure is the states of two sandboxes when coinciding, and attaching parts 2a is arranged on the sandbox F of upside, and attaching parts 3a is arranged on the sandbox F of downside.On the formation of other parts, the sandbox of upside is identical with the sandbox of downside.
On each sandbox F, its whole perisporium (body) is provided with an opening, on the sidewall of a side that is provided with opening, is provided with at least one fills molding sand in this opening molding sand supply port 101.The outside of the pair of sidewalls of relative direction on the perisporium of sandbox F is provided with a pair of flange (installing component) 102.Be equipped with a pair of through hole 103 on a pair of flange 102 respectively, the opening that a pair of through hole 103 is oppositely arranged sandbox F is clipped in the middle.
As shown in Figures 2 and 3, the sandbox assembly comprises by the molding top box 104 and the molding nowel 105 that constitute equally with sandbox F of the present invention respectively and forming.But if the not necessarily same shape of molding top box 104 and molding nowel 105, both shapes can have nothing in common with each other.
On molding top box 104 and molding nowel 105 through hole 103 separately, chimeric have the connecting rod 106 that molding top box 104 and molding nowel 105 are combined as a whole, and this connecting rod 106 can slide.In actual modeling process, molding top box 104 and molding nowel 105 carry out lifting by the guiding of connecting rod 106, clamp match plate 107 therebetween, prepare moulding.
Sandbox among the present invention, and then the sandbox assembly of saying so are also applicable to the no sandbox formula moulding machine of after the mold moulding sandbox being extracted (no box moulding machine), also applicable to sandbox formula moulding machine, be to need not molding after the mold moulding, casting mold is stayed in the sandbox, deliver to the moulding machine of casting streamline.
Fig. 4, Fig. 5 and Figure 6 shows that uses an embodiment of the no sandbox formula moulding machine of Fig. 2 and sandbox assembly shown in Figure 3.In the inner space of one cube board 1 of no sandbox formula moulding machine, be provided with work station P, the work station S that injects molding sand that divides space design, the work station W that core, molding are set.This sandbox assembly can move on each work station, but not constitutes as certain frame for movement is fixing on the allocation really at moulding machine.
The work station P that divides space design is provided with two pairs of molding top boxs and molding nowel 2,3, and it is provided with the molding sand supply port respectively on sidewall.This divides the work station P of space design, and a pair of molding top box 2 in two pairs of molding top boxs and molding nowel 2,3 and the centre of molding nowel 3 are provided with the carrying mechanism 4 that match plate 5 carryings can be come in and gone out therebetween, compressing mechanism 9.Molding top box 2, molding nowel 3, match plate 5 have similarly constituted the sandbox assembly with above-mentioned molding top box 104, molding nowel 105 and match plate 107.
The work station S that injects molding sand is provided with molding sand filling mechanism 11, and molding sand can be filled by the molding sand supply port to the elongation action by cylinder 10 by this mechanism 11 in a pair of molding top box 2 that becomes plumbness and molding nowel 3.
And the work station W that core, molding are set includes and will one half cut mold respectively from being horizontally disposed with and overlapping each other molding top box 2 and the molding nowel 3 interior mold extraction mechanisms 12 that take out that are provided with up and down; And sandbox rotating mechanism 13, it can make two centerings each molding top box 2 and molding nowel 3 to the arrangement arranged side by side that all is connected to each other and is the level of state, in the scope of 12 of the compressing mechanism 9 of level and mold extraction mechanisms, do interactivity, intermittently rotate up and down.And this sandbox rotating mechanism 13 can also link with molding top box 2, and makes it lifting.
As shown in Figure 4, vertically slidably on the forward and backward lateral surface of each the right molding top box 2 among the two pairs of molding top boxs 2 and the molding nowel 3 be provided with a pair of connecting rod 14, and between this connecting rod 14, set up molding nowel 4 slidably, this molding nowel 4 links with the lower end position of a pair of connecting rod 14, constitutes the sandbox assembly jointly with the match plate of moving into when the moulding.
Above-mentioned attaching parts 2a, 3a are arranged at respectively, for example say an end (3a) of the two sides of central portion (2a) on molding top box 2 two sides, the molding nowel 3 when being positioned at compressing mechanism 9 one sides, and are supported by sandbox whirligig 13.In the example as shown in the figure, these attaching parts 2a, 3a are the protuberance which is provided with the hole, for example say, are arranged in pin in this hole (figure does not show) by one, and this sandbox whirligig 13 is connected with hereinafter upper and lower attaching parts 37,39.As long as attaching parts 2a, 3a can be connected with upper and lower attaching parts 37,39, or can installing/dismounting, it all is fine for Any shape, for example replaces protuberance with recess.And these attaching parts 2a, 3a can be arranged on the flange 102 (Fig. 1), also can be arranged on the sandbox body.
As shown in Figure 4, the carrying mechanism 4 of match plate 5, by around the outer annular element 15 of the back shaft 8 that is arranged at compressing mechanism 9, be hubbed at molding sand filling mechanism 11 and can freely be rotationally connected with cylinder 16, an end on the annular element 15 that is positioned at piston rod one end and be fixed on the annular element 15 and be a pair of cantilever 17 that single armed constructs and constituted.By the stretching motion of cylinder 16, a pair of cantilever 17 can rotate up and down, and 3 of a pair of molding top box 2 that is the level of state that is positioned on the compressing mechanism 9 and molding nowels can be moved into and be taken out of to match plate 5.
In compressing mechanism 9, as shown in Figure 4, the back shaft 8 at board 1 center upper portion place near center position, be provided with in vertical plane free along rotating frame 18 clockwise, that counterclockwise rotate, on the right flank of this rotating frame 18, be provided with the pair of guide rods 19 of extending along the vertical direction on fore-and-aft direction at regular intervals, guide rod 19 has certain intervals with rotating frame 18 on fore-and-aft direction.The top that this pair of guide rods is 19 is provided with the top crane 20 that is anti-L word shape, and the bottom is provided with the bottom crane 21 that is L word shape, installs by anchor clamps respectively, and can move freely.Above-mentioned top, bottom crane 20,21, by the stretching motion that is installed on the cylinder that makes progress 22 on the rotating frame 18, downward cylinder 23 mutually near or away from.
In the present embodiment, drive the cylinder (drive unit) of pressure plate (compression member) 6,7, move with rotating frame 18.Correspondingly, cylinder can be fixed in the somewhere, also the cylinder of any one in the pressure plate 6,7 can be arranged to move with rotating frame 18, and another is arranged on the fixed position.
Be arranged at the molding sand filling mechanism 11 of (position) in the courtyard portion of board 1 for keeping left in diagram, have two fluffing of moulding sand jars 27, it utilizes the compressed air of low pressure to make the molding sand liquidation in other words of floating respectively independently, and then fills (fluffing of moulding sand filling) to molding top box 2 and molding nowel 3.
And, utilize compressed air to make the float fluffing of moulding sand fill method of liquidation in other words of molding sand, applicant of the present invention as assignee's U.S. Pat 6,749,003 B2 in record to some extent.Compressed-air actuated pressure size is good in the scope of 0.05Mpa to 0.18Mpa.But, be used in fill method of the present invention and have more than and be limited to the fluffing of moulding sand and fill.For example the working pressure compressed-air actuated air blast of more increasing any is filled and also is fine, and can also and use with decompressor.
In the mold extraction mechanism 12, be provided with can enter up and down the molding top box 2 that overlaps, be positioned at horizontal level and molding nowel 3 extract plate 28, the lower end of extracting the piston rod of the downward cylinder 29 in plate 28 and the courtyard portion that board 1 is installed is connected, and the expanding-contracting action by this cylinder 29 can make extracts plate 28 liftings.Extract plate 28 under, be provided with and be used for receiving the mold brace table 30 that partly cuts mold that takes out from molding top box 2 and molding nowel 3.By the expanding-contracting action of cylinder 31, retractor device 32 is flexible and then realize the lifting (with reference to figure 5) of this mold brace table 30.
In sandbox rotating mechanism 13, be assemblied on the board 1 at the gyroaxis 33 that extends on the short transverse, and can freely horizontally rotate.The upper end of this gyroaxis 33 links with the output shaft of the engine 34 that is installed in board 1 top, by the driving of this engine 34, gyroaxis 33 can carry out 180 degree clockwise or motion counterclockwise.
The rotating range of 180 degree of this gyroaxis 33 is sandbox rotating mechanism 13 mold that moulding is good moves to the rotation angle range of mold extraction mechanism 12 from posed positions examples.This rotation angle range is determined by the position that is provided with of mold extraction mechanism 12, might not be limited to 180 degree.Setting mold extraction mechanism 12 on a certain position of fixedly reversing also is fine.
By the mold formative method among the present invention, at first insert a pair of compression member ( pressure plate 6,7 in the moulding machine shown in Figure 4) and mark off space design at the peristome place of sandbox assembly.In this space design, fill molding sand.Afterwards, by the compression of compression member, moulding goes out two and half and cuts mold (with reference to figure 8).
In formative method of the present invention, the sandbox assembly can be moved dividing between position that space design finishes and the position of filling molding sand in this space design.In such cases, on the path that the sandbox assembly moves, just can compress (with reference to figure 9) to the molding sand that is filled in the space design.
Method is as shown in Figure 9 used above-mentioned sandbox assembly and is not had sandbox formula moulding machine, from state shown in Figure 4, second situation of cutting mold that goes up of casting no sandbox is illustrated in further detail.
At first, divide on the work station P of space design, cylinder 16 elongations of carrying mechanism 4 make a pair of cantilever 17 that match plate 5 is moved between a pair of molding top box 2 and molding nowel 3 of level.
Then, the cylinder that makes progress 22 of compressing mechanism 9 and downward cylinder 23 carry out contractive action, make that by upper and lower lifting support 20,21 sandbox 2,3 of upper and lower is close mutually.At this moment, molding top box 2, molding nowel 3, match plate 5 constitute the sandbox assembly of one by connecting rod 14.
Afterwards, molding top box, molding nowel 2,3 clamp match plate 5, and a plurality of cylinders 24,25 of compressing mechanism 10 carry out stretching motion respectively in particular length.Should go up pressure plate 6 and following pressure plate 7 and insert certain-length in molding top box 2 and the molding nowel 3 respectively, constitute two space designs up and down, cylinder 10 elongations simultaneously.Compressing mechanism 9 is rotated in a clockwise direction around back shaft 8, and a pair of molding top box, molding nowel 2,3 and match plate 5 are arranged in vertical direction, and the direction to the molding sand supply port moves (with reference to figure 4) jointly.
The division of a pair of space design is up and down for example said the height of mold and bottom mold when identical, and a pair of space design can mark simultaneously.Under the top mold situation different with the height of bottom mold, a pair of space design is divided in different time respectively.
The work station S that injects molding sand uses suitable completion method, for example says the compressed-air actuated fluffing of moulding sand completion method of using low pressure (pressure below atmospheric pressure), and molding sand filling mechanism 11 is filled molding sand in two space designs up and down by the molding sand supply port.
In the work station P that divides space design, molding top box 2, molding nowel 3, when match plate 5 returns to level, last pressure plate 6, down pressure plate 7 inserts respectively in molding top box 2, the molding nowel 3, and the molding sand in two space designs is up and down compressed.Then, the cylinder that makes progress 22 and downward cylinder 23 elongations, top lifting support 20 and bottom lifting support 21 mutually away from.
Only space design is once divided and made under the inadequate situation of filling of molding sand,, in the stage that molding sand is filled, space design is divided also at least once and be fine in order to improve.Certainly, in order to make moulding speed rapider, the division of space design still finishes preferable before molding sand is filled.
Be provided with among the work station W of core, molding, 38 elongations of the cylinder of sandbox rotating mechanism 13, in have the compression molding sand to become the molding top box 2 that partly cuts mold, sling by last part connecting part 37, separate with match plate 5.The nowel of molding simultaneously 3 is carried on the following part connecting part 39 of sandbox rotating mechanism 13.Then cylinder 16 shrinks, and by a pair of cantilever 17 match plate 5 is taken out of between molding top box 2 and molding nowel 3.
The driving of the engine 34 by sandbox rotating mechanism 13 is rotated in the certain angle scope by gyroaxis 33, in have molding top box 2, the molding nowel 3 of mold to turn to mold extraction mechanism 12 places.Then, words if necessary are provided with core in mold after, cylinder 38 shrinks, and has the molding top box 2 of mold to descend by last part connecting part 37 in making, and overlaps with molding nowel 3.
Yet in said process, if necessary, to be embedded in core preferable at the mold that partly cuts that moulding is good.In such cases, in have the molding top box that partly cuts mold and 2,3 rotations of molding nowel to move to mold extraction mechanism 12 places, good partly the cutting of moulding embedded core in the mold, there are a pair of molding top box and the molding nowel 2,3 that partly cut mold to overlap in the employing said method makes, will partly cut mold and release.
In the present embodiment, two pairs of molding top boxs and molding nowel are arranged, only use a pair ofly also to be fine.Use under the situation of a pair of molding top box and molding nowel, in space design, fill on the position and the mobile route between mold moulding completing place of molding sand, second pressure plate (following pressure plate) of first pressure plate that the molding top box uses (going up pressure plate) and the use of molding nowel can distinguish independently away from near sandbox.Thus, can compress molding sand, compressing the used time also can shorten.And in this mobile route, second pressure plate that first pressure plate that the molding top box is used and molding nowel are used can be extracted from each sandbox respectively.The moulding time further can be shortened thus, thus the activity duration that can guarantee to embed core.
If match plate 5,107 is the template that the two sides all is provided with model, its manufacture method can be arbitrarily.For example, one has only and has the template and that is applicable to molding top box model on the one side and have only on the one side and have the template that is applicable to molding nowel model, and it can be combined into dorsad a match plate or utilize can.
Then the embodiment that the present invention is applied to sandbox formula moulding machine describes.As shown in figure 10, form by sandbox formula moulding machine 51, cast streamline 52, mold provision for disengagement 53 and sandbox conveyer 54 based on the casting streamline of sandbox formula moulding machine.51 moulding of sandbox formula moulding machine have the upper and lower molds of sandbox.Cast streamline 52 is poured into a mould in the metal blowhole of mold goods up and down.Mold provision for disengagement 53 with mold from the cast after the molding top box and the molding nowel in release.Sandbox conveyer 54 transports sandbox formula moulding machine 51 with above-mentioned upper and lower sandbox assembly 46 (Figure 11 and Figure 12) by mold provision for disengagement 53.
As Figure 11-shown in Figure 14, moulding machine 51 comprises the board 1 of cubic always, and it has an inner space.In this inner space, being provided with many groups is connected with molding nowel 3 with molding top box 2, and make its can be freely mutually near with away from and the upper and lower sandbox assembly 46 that is connected is respectively arranged with the molding sand supply port on the sidewall of this molding top box 2 and molding nowel 3.These molding top boxs 2, molding nowel 3 and upper and lower sandbox assembly 46 are identical with upper and lower sandbox assembly with molding top box molding nowel in the foregoing description.Between the molding top box 2 and molding nowel 3 of one group of assembly 46 in the upper and lower sandbox assemblies 46 of many groups, be provided with the template that to move into and to take out of by carrying mechanism 4a, such as all have the match plate 5 of model on the upper and lower surface.But template 5 might not be limited on the match plate, also can have the template of model for any one party on upper surface or the lower surface.
Be arranged at compressing mechanism 9 in board 1 inner space include by molding top box 2 and molding nowel 3 come clamping match plate 5 and can enter and withdraw from molding top box 2 and the opposite face of molding nowel 3 clamping match plates 5 sides on the last pressure plate 6 and the following pressure plate 7 of peristome.Compressing mechanism 9 same as the previously described embodiments is provided with back shaft 8 with board 1, it is center with back shaft 8 at it in vertical state and between the position of level that the together support clamping has the molding top box of match plate 5 and molding nowel 2,3, in vertical plane along rotating clockwise and counterclockwise.
Same as the previously described embodiments, be provided with in the inner space of board 1 make compressing mechanism 9 along the horizontal cylinder 10 that exists as rotary drive mechanism of suitable, rotation counterclockwise, by this cylinder 10 elongation by above-mentioned molding sand supply port to a pair of molding top box of plumbness and molding nowel 2,3 inside be blown into molding sand molding sand filling mechanism 11, make two groups of upper and lower sandbox assemblies 46 of level do interactivity, intermittent rotation and be connected the sandbox rotating mechanism 13 that molding top box 2 makes it lifting.
The right side of this sandbox rotating mechanism 13 is in abutting connection with being provided with, and replaces the mold extracting apparatus 12 in the foregoing description, is used to transport the sandbox assembly conveyer 12a of upper and lower sandbox assembly 46.The basic comprising of sandbox rotating mechanism 13 is same as the previously described embodiments, is between the compressing mechanism 9 and sandbox assembly conveyer 12a of level but its slewing area is a pair of molding top box and molding nowel 2,3.
As shown in figure 12, in each molding top box 2 and molding nowel 3 of many groups upper and lower sandbox assembly 46, set up molding nowel 3 slidably between the vertically disposed a pair of connecting rod 14 on front and back two lateral surfaces of molding top box 2, and molding nowel 3 is connected on the lower end position of a pair of connecting rod 14.When the central portion of the two sides of molding top box 2 and molding nowel 3 are positioned at compressing mechanism 9 one side positions on one end of molding nowel two sides, be respectively equipped with attaching parts (Fig. 12 do not show, and is identical with 2a and the 3a of Fig. 1, is porose protuberance for example).
With reference to Figure 11, the carrying mechanism 4 of match plate 5 includes: around the annular element 15 of the back shaft 8 of compressing mechanism 9, on this annular element 15, (Figure 11 does not show by the cylinder that is connected one section in piston rod and can move freely, identical with the cylinder 16 among the embodiment of no box moulding machine) a pair of cantilever 17 of the expanding-contracting action single armed structure that can on left and right directions, move around, and carry match plate 5 and can be on left and right directions free reciprocating hanging type chassis 45.
In compressing mechanism 9, be provided with rotating frame 18 near being installed on the core of back shaft 8 at center upper portion place of board 1, it does suitable, counterclockwise rotation in vertical plane, on the right flank of this rotating frame 18, on fore-and-aft direction, be provided with extended along the vertical direction pair of guide rods 19 at regular intervals.Between above-mentioned pair of guide rods 19, top is provided with the last lifting support 20 of anti-L word shape, and its underpart is provided with the following lifting support 21 of L word shape, is mounted slidably thereon by the support that is set to one respectively.(Figure 11 does not show by being installed on cylinder that makes progress between the rotating frame 18 and downward cylinder should to go up lifting support 20 and following lifting support 21, in the embodiment of no sandbox formula moulding machine, be installed on the rotating frame 18 to casing top half 22 with downwards cylinder 23 is identical) flexible, both mutually near and away from.
The a plurality of cylinders 24 that make pressure plate 6 advance and retreat are set on the last lifting support 20, and setting makes a plurality of cylinders 25 of pressure plate 7 advance and retreat down on following rising support 21.And the size of upper and lower lifting support 20,21 on horizontal plane is respectively and can compresses molding top box 2 and molding nowel 3.
Charging into low-pressure air (is good with 0.05Mpa-0.18Mpa) in 11 pairs of molding top boxs 2 of molding sand filling mechanism and the molding nowel 3 respectively, fill (fluffing of moulding sand filling) when making molding sand float liquidation in other words, is good with two fluffing of moulding sand filling mechanisms.Two fluffing of moulding sand filling mechanisms can be distinguished independent control and operation, also can control simultaneously and operate.
Still with reference to Figure 11, on the sandbox rotating mechanism 13, device has vertical gyroaxis 33 on board 1, and it can level rotate freely.The upper end of this gyroaxis 33 links with the output shaft that is installed on the engine 34 on the board 1, and by the driving of this engine 34, gyroaxis 33 can carry out the rotations of 180 degree along suitable, counter clockwise direction.Support component 35 is equipped with on the top of gyroaxis 33, on this support component 35, is vertically installed with two pairs of paired extended guide rods 36 at regular intervals downwards on fore-and-aft direction.These two pairs of guide rods 36 are the center with gyroaxis 33, about two pairs be provided with in opposite directions.Each sets up the last part connecting part 37 that can be connected with the attaching parts of molding top box 2 on the guide rod 36, and it can slide along guide rod 36 above-below directions.Part connecting part 37 on each, are fixed on the end to the piston rod of casing top half (figure do not show) that is arranged on the gyroaxis 33, and can be by the expanding-contracting action lifting of this cylinder.On the lower end of two pairs of guide rods 36, be fixed with two following part connecting parts 39 that can be connected with the attaching parts of molding nowel 3.
Below, just use the state from shown in Figure 10 of sandbox formula moulding machine to begin the modeling process of moulding upper and lower molds is described.
At first, by chassis 45, carrying mechanism 4 is moved into match plate 5 between the molding top box 2 that is the level of state and molding nowel 3 of upper and lower sandbox assembly 46.The cylinder up and down of compressing mechanism 9 shrinks respectively then, and the lifting support 20,21 by the upper and lower makes molding top box 2 and molding nowel 3 approaching mutually.When match plate 5 being clamped by this molding top box 2 and molding nowel 3, a plurality of cylinders 24,25 of compressing mechanism 9 extend certain-length respectively, pressure plate 6,7 is inserted certain-length in molding top box 2 and the molding nowel 3 respectively, mark off two space designs.By the elongation of cylinder 10, compressing mechanism 9 is the center with back shaft 8, rotates along clockwise direction, and molding top box 2 and molding nowel 3 and match plate 5 are in vertical state.Simultaneously, the molding sand supply port is moved upward, with the lower end of molding sand filling mechanism 11 adjacent (with reference to Figure 15).
Then, molding sand filling mechanism 11 is filled molding sand in two space designs up and down.When a pair of molding top box 2 and molding nowel 3 and match plate 5 returned level, upper and lower pressure plate 6,7 further entered up and down and in two space designs molding sand is compressed respectively.Cylinder up and down extends respectively, make upper and lower lifting support 20,21 mutually away from.The elongation of the cylinder of sandbox rotating mechanism 13 is compressed molding sand, in have the molding top box 2 of mold to sling by last part connecting part 37, separate with match plate 5, molding nowel 3 is placed on the following part connecting part 39 of sandbox rotating mechanism 39.
By chassis 45, carrying mechanism 4 is taken out of match plate 5 between molding top box 2 and the molding nowel 3.Then (if necessary, embed the core of mold after), in the contraction of the molding top box 2 of mold by cylinder arranged, descend by last part connecting part 37, coincide with molding nowel 3.By the driving of sandbox rotating mechanism 13 engines 34, gyroaxis 33 rotates to an angle, and has the molding top box of mold and 2,3 rotations of molding nowel to move to sandbox assembly mobile device 12a place with interior.By sandbox conveyer 54, sandbox assembly conveyer 12a successively by sandbox formula moulding machine 51, delivers to cast streamline 52 with upper and lower sandbox assembly 46, and mold provision for disengagement 53 is recycled to moulding machine 51 places.
The various embodiments described above are example of the present invention, and its attempt is not to put down in writing in the claims in order to limit, to need only, and does not break away from the various changes of carrying out in the scope of purport of the present invention and all is fine.
For instance, the present invention is applicable to no sandbox formula moulding machine and sandbox formula moulding machine, and the design of this kind moulding machine is not limited within the illustrated scope.For example as the pressure plate 6,7 of the compression member of moulding machine, replacing, can also be a plurality of upper and lowers compression leg that a plurality of drive sources drive.The drive source of compression member in order to obtain higher output, suits to use hydraulic cylinder, but uses specific pneumatic cylinder also to be fine.More can use genemotor, in such cases, owing to the pipe-line system of no drive fluid, the free degree that this moulding machine is provided with rises.
Claims (19)
1, a kind of sandbox assembly that is applicable to the moulding machine of producing trussell and bottom mold simultaneously, wherein this sandbox assembly has two sandboxes that are respectively applied for the described mold of clamping, when a sandbox near or during away from another, described two sandboxes can rotate in vertical plane, and this sandbox assembly comprises:
Two bodies, each body is provided with the opening that the mold moulding is used, and is provided with at least one supplies with molding sand in this opening supply port;
Two installing components, each installing component is integrally formed with body separately, be used to make this sandbox to be connected with a pair of connecting rod, this can connect as one a sandbox and other sandboxes connecting rod, and then when two sandboxes two ends are separately all supported connecting rod by this, between the sandbox mutually facing near or away from, wherein this is arranged on the center line of described two bodies in opposite directions to connecting rod;
Wherein, each body or installing component have the attaching parts that are connected with the outside transmission mechanism of sandbox, are used for the power from the outside transmission mechanism of this sandbox is sent to this sandbox.
2, the method for using the no sandbox formula moulding machine of the described sandbox assembly of claim 1 to carry out moulding is characterized by, and this method comprises:
In the opening of a pair of sandbox that constitutes above-mentioned sandbox assembly, insert compression member respectively, and then form the space design division stage of a pair of space design;
In this a pair of space design, fill the filling stage of molding sand by above-mentioned molding sand supply port;
By above-mentioned compression member the molding sand of filling is compressed, the compression stage of mold is cut in moulding formation two and half.
3, method according to claim 2 is characterized by, and this method also includes the mobile phase that above-mentioned sandbox is moved between horizontal level and upright position.
4, method according to claim 3 is characterized by, and this compression stage can carry out in the process that the sandbox assembly moves.
5, method according to claim 4 is characterized by, and the above-mentioned compression stage that carries out in the moving process of this sandbox assembly carries out before this sandbox assembly moves.
6, according to any described method among the claim 2-5, it is characterized by, behind the compression stage, can also comprise and a couple half in the above-mentioned sandbox assembly be cut mold the stage that move the position of core is set in it.
7, according to any described method among the claim 2-5, it is characterized by, after this method also comprised above-mentioned compression stage, a couple half in the above-mentioned sandbox assembly cut the stage that mold moves to the molding position.
8, according to any described method among the claim 3-5, it is characterized by, this no sandbox formula moulding machine includes, and moves the rotating frame of above-mentioned sandbox assembly and a pair of drive unit that respectively a pair of compression member is driven at this sandbox between horizontal level and upright position.
9, method according to claim 8 is characterized by, and above-mentioned a pair of drive unit and rotating frame are done as a whole moving.
10, method according to claim 8 is characterized by, and above-mentioned a pair of drive unit is fixed in a certain position.
11, method according to claim 8 is characterized by, and in the above-mentioned a pair of drive unit one does as a whole moving with rotating frame, and another one is fixed in a certain position.
12, according to any described method among the claim 2-5, it is characterized by, in the stage that above-mentioned space design is divided, above-mentioned a pair of space design can be divided simultaneously.
13, according to any described method among the claim 2-5, it is characterized by, in the stage that above-mentioned space design is divided, above-mentioned a pair of space design can be divided in different time.
14, according to any described method among the claim 2-5, it is characterized by, the stage that above-mentioned space design is divided finished before the above-mentioned filling stage.
15, according to any described method among the claim 2-5, it is characterized by, in the above-mentioned filling stage, above-mentioned space design is divided at least once.
16, according to any described method among the claim 2-5, it is characterized by, the above-mentioned mold that partly cuts is poured into a mould before extracting from above-mentioned sandbox.
17, use the formative method of the above-mentioned sandbox formula moulding machine of a pair of sandbox assembly as claimed in claim 1, it is characterized by, this method comprises:
In the sandbox formula moulding machine, when by upper and lower sandbox assembly template being carried out clamping, compression member is inserted molding top box and molding nowel does not respectively up and down have the peristome at template place to form the stage of two space designs up and down;
Molding top box and molding nowel and template arranged vertical, and move to stage of molding sand supply port top;
In space design, fill the stage of molding sand respectively by the molding sand supply port;
When molding top box and molding nowel and template returned to level, the compression member of upper and lower was further inserted, the compression stage of the molding sand in the compression space design;
The stage that template and above-mentioned molding top box and molding nowel separate and take out of from the mold moulding machine;
Molding top box and molding nowel overlap, and form the stage of metal blowhole;
Above-mentioned upper and lower sandbox assembly is transported to the apparatus for pouring place of pouring into a mould in the above-mentioned metal blowhole, and the upper and lower sandbox assembly after this cast is transferred to the mold provision for disengagement, and the stage that mold is dismantled;
The sandbox assembly that therefrom disassembles mold is sent back to the stage of box moulding machine.
18, method according to claim 17 is characterized by, and above-mentioned sandbox formula moulding machine includes:
With first Handling device of above-mentioned template from moving into and take out of between above-mentioned molding top box and the molding nowel;
Be provided with above-mentioned top compression member and bottom compression member, and make above-mentioned molding top box and molding nowel and match plate between the position that is in plumbness and level along compression set suitable, that counterclockwise rotate and support;
Make this compression set carry out rotating driving device suitable, that rotate counterclockwise;
By the driving of this rotating driving device, in vertical state above-mentioned molding top box and molding nowel, fill the filling device of molding sand by above-mentioned molding sand supply port;
Above-mentioned compression set is moved into and taken out of to above-mentioned upper and lower sandbox assembly, and make second Handling device of above-mentioned sandbox lifting.
19, method according to claim 18, it is characterized by, under the state that above-mentioned template is clamped by above-mentioned upper and lower sandbox assembly, above-mentioned top compression member and bottom compression member can freely plug the corresponding above-mentioned opening part of the opposite side with above-mentioned template on above-mentioned molding top box and molding nowel.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP011276/2004 | 2004-01-20 | ||
| JP2004011276 | 2004-01-20 | ||
| JP150475/2004 | 2004-05-20 | ||
| JP375103/2004 | 2004-12-27 |
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| Publication Number | Publication Date |
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| CN1929938A CN1929938A (en) | 2007-03-14 |
| CN100436002C true CN100436002C (en) | 2008-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005800076565A Active CN100436002C (en) | 2004-01-20 | 2005-01-20 | Frame for molding machine and method of molding using the frame |
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| CN (1) | CN100436002C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752775B (en) * | 2007-06-25 | 2018-02-02 | 迪萨工业有限公司 | For manufacturing the machine of flaskless moulds |
| CN104226931B (en) * | 2014-09-24 | 2016-08-24 | 赵新春 | Casting sandbox |
| CN106734985A (en) * | 2017-03-17 | 2017-05-31 | 共享装备股份有限公司 | The sandbox component and formative method for preventing baffle plate from deforming |
| CN108856657A (en) * | 2018-07-18 | 2018-11-23 | 安徽思源三轻智能制造有限公司 | A kind of foundry sand case apparatus facilitating operation |
| CN111992667A (en) * | 2020-08-31 | 2020-11-27 | 陈玉梅 | Casting mold and casting method thereof |
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| JPS5973148A (en) * | 1982-10-19 | 1984-04-25 | Toyoda Autom Loom Works Ltd | Flaskless type mold forming device |
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| CN1160612A (en) * | 1995-12-15 | 1997-10-01 | 新东工业株式会社 | Blow-squeeze molding machine |
| WO2003090952A1 (en) * | 2002-04-26 | 2003-11-06 | Hunter Automated Machinery Corporation | Method for forming sand molds and matchplate molding machine for accomplishing same |
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| JPS5973148A (en) * | 1982-10-19 | 1984-04-25 | Toyoda Autom Loom Works Ltd | Flaskless type mold forming device |
| JPH0441047A (en) * | 1990-06-06 | 1992-02-12 | Tokyu Kk | Mechanism for changing sprue position in molding machine |
| CN2128900Y (en) * | 1992-08-26 | 1993-03-31 | 吴村清 | Auto-prefilling device for cavity of casting mould |
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