CN1925937A - Method of forming molding-flask-less, upper and lower molds and device therefor - Google Patents
Method of forming molding-flask-less, upper and lower molds and device therefor Download PDFInfo
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- CN1925937A CN1925937A CN 200480042378 CN200480042378A CN1925937A CN 1925937 A CN1925937 A CN 1925937A CN 200480042378 CN200480042378 CN 200480042378 CN 200480042378 A CN200480042378 A CN 200480042378A CN 1925937 A CN1925937 A CN 1925937A
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Abstract
A method and device for efficiently forming high quality, molding-flask-less, upper and lower molds. A match plate is held by a pair of horizontally-set, upper and lower molding flasks each having a sandblast port in the side wall. Upper and lower squeeze means are inserted in match-plate-less openings in the upper and lower molding flasks, so as to define two upper and lower molding spaces. The upper and lower molding flasks and the match plate are set in a vertical state and the sandblast ports are moved upward. Molding sand is blasted from the sandblast ports into the upper and lower molding spaces to fill the latter with molding sand. The upper and lower squeeze means are further moved while the upper and lower molding flasks and match plate are restored to the horizontal state, so as to squeeze the molding sand in the upper and lower molding spaces. The upper and lower molding flasks in the mold are separated from the match plate, and then the match plate is carried out from between the upper and lower molding flasks. A core, if necessary, is set in the formed mold, and then the upper and lower molding flasks in the mold are superposed. The mold is extracted from the superposed upper and lower molding flasks.
Description
Technical field
The present invention relates to a kind of formative method and styling apparatus thereof of upper and lower molds of no sandbox of coincidence.
Background technology
Existing a kind of this type of mold styling apparatus adopt make up and down two pairs of sandboxes at molding sand compression work station with sandbox extract carry out between the work station interactivity, intermittent reciprocating motion and make about the method that overlaps of the two pairs of sandboxes upper and lower molds of no sandbox is carried out moulding.Wherein this molding sand compression work erect-position is in the top of base station, with the direction of the relative level of bed surface on molding sand is compressed.This sandbox is extracted station near the bed surface of base station, carries out mold location and sandbox and extract on relative vertical direction with bed surface.
Yet exist the efficient of mold moulding also not high in the upper and lower molds styling apparatus of the existing no sandbox that this kind structure is formed, the mold of moulding improves problems such as leeway in addition on quality.
Summary of the invention
The object of the present invention is to provide a kind of solution mold moulding efficient lower, the upper and lower molds formative method of the no sandbox of the coincidence of the mold quality problems such as there is still room for improvement after the moulding with and styling apparatus.
The application's first invention is a kind of formative method of upper and lower molds of no sandbox of coincidence, and it comprises:
Being respectively equipped with a pair of molding top box and the molding nowel that are the level of state that molding sand is blown into mouthful on the sidewall clamps match plate;
The peristome of no match plate inserts compression set up and down respectively in a pair of molding top box and molding nowel, forms two space designs up and down;
Above-mentioned a pair of molding top box and molding nowel and match plate rotate to plumbness, above-mentioned molding sand is blown into mouth is moved upward;
Being blown into mouth from above-mentioned molding sand is blown into molding sand in two space designs up and down and fills;
Above-mentioned up and down compression set further enters up and down space design and molding sand is compressed, and above-mentioned a pair of molding top box and molding nowel and match plate are returned to level;
In mold arranged above-mentioned a pair of molding top box with after the molding nowel separates from above-mentioned match plate, match plate is taken out of in the middle of above-mentioned a pair of molding top box and molding nowel;
After being provided with core in the mold of words if necessary after moulding, in have a pair of molding top box of mold and molding nowel to overlap;
In have the molding top box of above-mentioned mold and molding nowel to overlap after, therefrom above-mentioned mold is extracted.
By said method, can realize the formative method than the upper and lower molds of the no sandbox of existing this kind mold carries out moulding efficiently in the shorter time positive progressive effect.
The application's second invention is in the formative method of the upper and lower molds of the no sandbox of a kind of coincidence of first invention, the peristome of no match plate inserts compression set up and down respectively in a pair of molding top box and molding nowel, the process of two space designs and above-mentioned a pair of molding top box and molding nowel and match plate rotate to plumbness about forming, and above-mentioned molding sand is blown into a mouthful process that is moved upward can carry out simultaneously.
Can make the production efficiency of mold higher by above method.
The application's the 3rd invention is in the formative method of the upper and lower molds of the no sandbox of a kind of coincidence of first invention, above-mentioned up and down compression set further enters up and down space design and molding sand is compressed, above-mentioned a pair of molding top box and molding nowel and match plate are returned in the step of level, and above-mentioned a pair of molding top box and molding nowel and match plate are returned to level in compression.
Can make the production efficiency of mold higher by above method.
The application's the 4th invention is in the formative method of upper and lower molds of the no sandbox of a kind of coincidence of first invention, above-mentioned compression set up and down be about pressure plate.
Can provide a kind of method simple more formative method by above method with respect to the styling apparatus that uses the upper and lower molds that has no sandbox now.
The application's the 5th invention is in the formative method of the upper and lower molds of the no sandbox of a kind of coincidence of first invention, and above-mentioned compression set up and down is a plurality of compression leg up and down.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
The application's the 6th invention is in the formative method of upper and lower molds of the no sandbox of a kind of coincidence of the 4th invention, is added with that above-mentioned pressure plate is up and down stepped back the step of certain stroke and is blown into from above-mentioned molding sand mouthful to be blown into the step that molding sand is filled in two space designs up and down.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
The application's the 7th invention is in the formative method of upper and lower molds of the no sandbox of a kind of coincidence of the 6th invention, and above-mentioned pressure plate is up and down stepped back the step of certain stroke and is blown into mouth from above-mentioned molding sand and is blown into the step that molding sand fills up and down in two space designs and carries out simultaneously.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
The application's the 8th invention is in the formative method of the upper and lower molds of the no sandbox of a kind of coincidence of the 5th invention, insert compression set up and down respectively at the peristome of no match plate in a pair of molding top box and molding nowel, form the template part that includes match plate in the step of two space designs up and down and and each above-mentioned compression set up and down on the other side in a plurality of up and down between compression leg be set to before the molding sand compression with compression after the roughly the same step of each ratio.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
The application's the 9th invention is in the formative method of the upper and lower molds of the no sandbox of a kind of coincidence of the 5th invention, the peristome of no match plate inserts up and down compression set respectively in a pair of molding top box and molding nowel, form the template part that includes above-mentioned match plate in the step of two space designs up and down and and each above-mentioned compression set up and down on the other side in a plurality of spaces between compression leg up and down be arranged so that molding sand is in the step of the state that is easy to flow.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
The application's the tenth invention is in the formative method of the upper and lower molds of the no sandbox of a kind of coincidence of the 5th invention, the template part of above-mentioned match plate and and each above-mentioned up and down compression set on the other side in a plurality of spaces between compression leg up and down be arranged so that molding sand is in the spray nozzle part (the particularly choke of nozzle) that includes in the step of the state that is easy to flow at fluffing of moulding sand jar and the part ejection air of sand fluidity difference, with the step of the frictional resistance of minimizing molding sand and fluffing of moulding sand pot sidewall.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
The application's the 11 invention is in the formative method of upper and lower molds of the no sandbox of a kind of coincidence of the 5th invention, from this above-mentioned molding sand be blown into that mouth is blown into up and down that step that molding sand fills and above-mentioned compression set up and down further enter up and down two space designs in two space designs and step that molding sand is compressed also include:
Be blown into mouthful first molding sand that in the match plate of plumbness and above-mentioned molding top box and molding nowel and compression set forms up and down space design up and down, is blown into molding sand by molding sand and be blown into step;
A plurality of compression leg up and down in the above-mentioned compression set up and down enter first compression step that in the above-mentioned space design up and down molding sand is compressed respectively;
A plurality of compression leg up and down in the above-mentioned compression set up and down retreat, and are blown into mouthful second molding sand that is blown into molding sand in above-mentioned space design up and down by above-mentioned molding sand and are blown into step;
A plurality of pressure planes of compression leg up and down in the above-mentioned compression set up and down reach the state that flushes, and a plurality of compression leg up and down enter second compression step that in the above-mentioned space design up and down molding sand is compressed simultaneously.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
The application's the 12 invention is the styling apparatus of the upper and lower molds of the no sandbox of coincidence, and it comprises:
To be respectively equipped with on the sidewall that molding top box that molding sand is blown into mouthful is connected by connecting rod with the molding nowel so that molding top box and molding nowel free near with remotely last drag box assembly;
Take out of mechanism and can come in and go out by moving in the molding top box of drag box assembly on this and the match plate between the molding nowel;
The molding sand compressing mechanism, it is provided so that,
The above-mentioned drag box assembly of going up can be mounted and dismounted by a plurality of clamp mechanism,
Above-mentioned molding top box and molding nowel clamp above-mentioned match plate,
Above-mentioned up and down compression set can be come in and gone out does not respectively have the peristome of match plate in above-mentioned molding top box and the molding nowel,
Above-mentioned molding top box and molding nowel can be between its position in vertical state and the position that becomes level be with the supporting axis center in vertical plane along suitable, be rotated counterclockwise;
Make this molding sand compressing mechanism along rotary drive mechanism clockwise, that counterclockwise rotate;
By the driving of this rotary drive mechanism, be blown into mouthful the molding sand that in the molding top box of plumbness and molding nowel, is blown into molding sand from molding sand and be blown into mechanism.
By this kind formation, can realize the styling apparatus than the upper and lower molds of the no sandbox of existing this kind casting usefulness carries out moulding efficiently in the shorter time positive progressive effect.
The application's the 13 invention is in the styling apparatus of upper and lower molds of the no sandbox of a kind of coincidence of the 12 invention, above-mentioned compression set be about pressure plate.
This kind formation can provide structure more simply not have the styling apparatus of the upper and lower molds of sandbox.
In the styling apparatus of upper and lower molds of the application's the tenth invention everywhere for the no sandbox of inventing a kind of coincidence at the 12 place, above-mentioned compression set be about compression leg.
This kind formation can provide structure more simply not have the styling apparatus of the upper and lower molds of sandbox.
The application's the 14 invention is in the styling apparatus of the upper and lower molds of the no sandbox of a kind of coincidence of the 12 invention, and above-mentioned compression set up and down is a plurality of compression leg up and down.
A kind of formative method of high-quality upper and lower molds of casting sand density homogeneous can be provided by above method.
In the styling apparatus of the application's the 14 invention for the upper and lower molds of the no sandbox of a kind of coincidence arbitrarily in the 12 invention is invented to the 14, above-mentioned clamp mechanism includes a pair of hydraulic cylinder that waves, and be embedded in the claw on the axle of waving that this waves hydraulic cylinder, but the above-mentioned connecting rod of going up the drag box assembly of claw clamping.
By this kind formation, can realize the styling apparatus than the upper and lower molds of the no sandbox of existing this kind casting usefulness carries out moulding efficiently in the shorter time positive progressive effect.
Description of drawings
Fig. 1 is for using the Facad structure schematic diagram of pressure plate as the mold styling apparatus most preferred embodiment of compression set among the present invention.
The front view that Fig. 2 cuts open for the part of Fig. 1.
Fig. 3 is the part abridged section plan of Fig. 1.
Fig. 4 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 1.
Fig. 5 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 1.
Fig. 6 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 1.
Fig. 7 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 1.
Fig. 8 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 1.
Fig. 9 is for using the Facad structure schematic diagram of compression leg as the mold styling apparatus most preferred embodiment of compression set among the present invention.
Figure 10 is the cut-away section view of Fig. 9.
Figure 11 is the part abridged section plan of Fig. 9.
Figure 12 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 9.
Figure 13 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 9.
Figure 14 carries out the action schematic diagram of the part process of moulding to mold for the upper and lower molds styling apparatus that uses no sandbox shown in Figure 9.
The specific embodiment
According to Fig. 1-Fig. 8, just be applicable to that the most preferred embodiment of the upper and lower molds styling apparatus of no sandbox of the present invention is described in detail.
As shown in Figure 1-Figure 3, a kind of styling apparatus that does not have the upper and lower molds of sandbox includes: the board 1 that is formed with the inner space;
Include a pair of respectively be provided with on the sidewall molding top box 2 that molding sand is blown into mouthful and molding nowel 3 on drag box assembly 27, wherein molding top box 2 is connected by a pair of connecting rod 18,18 with molding nowel 3 and can be freely mutual approaching and away from;
Take out of mechanism 4 and can come in and go out by moving in the molding top box of drag box assembly 27 on this and the match plate 5 between the molding nowel 2,3;
Molding sand compressing mechanism 9, it is provided so that,
The above-mentioned drag box assembly 27 of going up can mount and dismount by a pair of clamp mechanism 28,28,
Can clamp above-mentioned match plate 5 by above-mentioned molding top box and molding nowel 2,3,
The pressure plate up and down 6,7 of compression set can insert and withdraw from the peristome of no above-mentioned match plate 5 between above-mentioned molding top box and the molding nowel 2,3 respectively up and down,
The above-mentioned match plate 5 of clamping and make above-mentioned molding top box and molding nowel 2,3 can in vertical state and between the position of level with the back shaft 8 that is installed on above-mentioned board 1 center upper portion be the center in vertical plane along clockwise and be rotated counterclockwise;
As the cylinder 10,10 that makes this molding sand compressing mechanism 9 along two horizontally sets of rotary drive mechanism clockwise and that counterclockwise rotate;
Elongation action by this two cylinder 10,10 is blown into mouthful the molding sand that is blown into molding sand in vertical state above-mentioned molding top box and molding nowel 2,3 by molding sand and is blown into mechanism.
On above-mentioned in the drag box assembly 27, as shown in Figure 1, above-mentioned molding top box and molding nowel 2,3 front and back two exterior lateral sides respectively are provided with jut 2a, 3a, but above-mentioned connecting rod 18,18 connects and is arranged among this jut 2a, the 3a and the easy on and off slip, and above-mentioned molding nowel 3 can hang down by above-mentioned connecting rod 18,18 and be located on the molding top box 2, perhaps drops to molding top box 2 separated by a distance.
And above-mentioned connecting rod 18,18 is gone up at an upper portion thereof and at a lower portion thereof to carve respectively and is provided with the groove that can agree with mutually with the claw hereinafter described 30 on the above-mentioned clamp mechanism 28,28.
And as shown in Figure 3, above-mentioned clamp mechanism 28 is installed on the front and back exterior lateral sides of lifting support 14, and this clamp mechanism 28 includes a pair ofly waves hydraulic cylinder 29,29, and embedding this a pair of wave hydraulic cylinder 29,29 respectively wave claw 30 on the axle.By above-mentioned a pair of action of waving hydraulic cylinder 29,29, above-mentioned a pair of claw 30,30 enters in the groove on above-mentioned upward connecting rod 18,18 tops of drag box assembly 27, and the top of connecting rod 18,18 can be clamped.
And also be equiped with above-mentioned clamp mechanism 28 on the front and back lateral surface of described hereinafter down lifting support 15, it enters in the groove of above-mentioned connecting rod 18,18 bottoms and the bottom of connecting rod 18,18 is clamped.
And in above-mentioned molding sand compressing mechanism 9, as depicted in figs. 1 and 2, the center of above-mentioned rotating frame 12 is arranged near above-mentioned supporting axis 8 places, and be set to and can in vertical plane, rotate freely along suitable, counter clockwise direction, on fore-and-aft direction, be provided with a pair of guide rod 13,13 that extends along the vertical direction on the right flank of this rotating frame 12 at regular intervals.The bottom that is arranged between the above-mentioned pair of guide rods 13,13 becomes the following lifting support 15 of anti-L word shape can freely slide by the holder part that is wholely set, this oscilaltion support 14,15 by be installed on the above-mentioned rotating frame 12 the cylinder that makes progress 16 and downwards cylinder 17 expanding-contracting action mutually near and away from.
On above-mentioned lifting support 14 be provided with make above-mentioned on a plurality of cylinders 19,19 of pressure plate 6 advance and retreat, above-mentioned lifting support 15 down is provided with a plurality of cylinders 20,20 that make above-mentioned 7 advance and retreat of pressure plate down.Above-mentioned oscilaltion support 14,15 upper horizontal surface are respectively the size that can release molding top box and molding nowel 2,3.
Be equiped with cylinder 22,22 upwards on the front and back exterior lateral sides of above-mentioned lifting support 15 down, can be provided with between the upper end of the piston rod of these a plurality of cylinders 22,22 with being free to slide around the above-mentioned horizontal frame 21 of the frame-like of pressure plate 7 down.
And as depicted in figs. 1 and 2, the moving into of above-mentioned match plate 5 taken out of mechanism 4 and included:
Around the endless member 23 on the above-mentioned back shaft 8 that is arranged at above-mentioned molding sand compressing mechanism 9;
Be hubbed at that above-mentioned molding sand is blown on the rotating frame 12 of mechanism 11 and its piston rod terminal rotatable freely be linked to cylinder 24 on the part of above-mentioned endless member 23;
Cardinal extremity is fixed on the above-mentioned endless member 23 and is a pair of cantilever 25,25 of single armed structure;
Carry above-mentioned match plate 5 and on left and right directions, make free reciprocating hanging type chassis (figure does not show).
Rotatablely move up and down by the above-mentioned a pair of cantilever 25,25 of the expanding-contracting action of said cylinder 24, above-mentioned chassis will be moved into, take out of at above-mentioned molding top box on the above-mentioned molding sand compressing mechanism and the above-mentioned match plate 5 between the molding nowel 2,3.
Above-mentioned molding sand filling mechanism 11 is arranged at the position that keeps left in the courtyard portion of above-mentioned board 1, and is made of two fluffing of moulding sand jars (figure does not show), is blown into molding sand by compressed air in above-mentioned molding top box and molding nowel 2,3 independently respectively.This compressed-air actuated pressure is good with 0.05Mpa-0.18Mpa.
Above-mentioned fluffing of moulding sand jar not only can move alone respectively and can also move by unified control simultaneously.
Be positioned at the mold ejecting device that upper and lower molds above-mentioned down pressure plate 7 on from mold receiving platform release of number in the figure 26 for extracting in above-mentioned molding top box and the molding nowel 2,3.
Fig. 9-Figure 14 shows that and use the upper and lower molds styling apparatus of the no sandbox of compression set up and down of compression leg conduct up and down.
Use compression leg up and down to be as the difference of the mold styling apparatus of the no sandbox of compression set up and down with using up and down pressure plate as the styling apparatus of the no sandbox upper and lower molds of compression set up and down, not having in molding top box and the molding nowel 2,3 can come in and go out respectively in the peristome of match plate 5 replaces the 6a of compression leg up and down, 6a, 7a, the 7a of the pressure plate up and down 6,7 of compression set up and down.
As shown in figure 10, last lifting support 14 is provided with a plurality of cylinders 19,19 that make compression set 6 ' advance and retreat, and following lifting support 15 is provided with a plurality of cylinders 20,20 that make lower compression device 7 ' advance and retreat.And also have with being, above-mentioned plurality of compressed pin 6a, 6a be the stretching motion advance and retreat by a plurality of cylinder 6b, 6b respectively, and above-mentioned a plurality of lower compression pin 7a, 7a be the flexible advance and retreat by a plurality of cylinder 7b, 7b respectively.
Be not both the horizontal frame 21 that can be provided with between the upper end of piston rod of these a plurality of cylinders 22,22 in addition around above-mentioned lower compression pin 7a, 7a group's frame-like with being free to slide.
Above-mentioned oscilaltion support 14,15 upper horizontal surface with use pressure plate up and down identical as the situation of the upper and lower molds styling apparatus of the no sandbox of compression set up and down, be respectively the size that can release molding top box and molding nowel 2,3.
Below just use compression leg to describe as the difference of the mold styling apparatus of the no sandbox of compression set up and down with using up and down pressure plate as the styling apparatus of the no sandbox upper and lower molds of compression set up and down, all the other structures that remove these two styling apparatus illustrating are identical.
Below from state shown in Figure 1, just use pressure plate to describe as the method that the mold styling apparatus of the no sandbox of compression set does not have the upper and lower molds moulding of sandbox.
At first shown in Fig. 4-a, take out of the cylinder elongation of moving into mechanism 4, after moving into match plate 5 in the molding top box 2 that is the level of state of drag box assembly 27 and the molding nowel 3 by a pair of cantilever 25,25, expanding-contracting action by cylinder 16, by last lifting support 14 molding top box 2 is moved up and down in short distance, by moving into the contractive action of the cylinder 24 of taking out of mechanism 4, cantilever 25 is rotated in a clockwise direction, and cantilever 25 returned to original state when cantilever 25 was removed with the connection status of chassis.
Shown in Fig. 4-b, the cylinder that makes progress 16 of molding sand compressing mechanism 9 and cylinder 17 contractions downwards, make molding top box and molding nowel 2,3 close mutually by oscilaltion support 14,15, molding top box and molding nowel 2,3 clamp match plate 5, then shown in Fig. 5-a, the bottom that a pair of clamp mechanism 28,28 of bottom will go up the connecting rod 18,18 of drag box assembly 27 clamps.
Shown in Fig. 5-b, a plurality of cylinders 19,19,20,20 of molding sand compressing mechanism 9 extend certain length respectively, and last pressure plate 6 and following pressure plate 7 stretch into the molding top box respectively and molding nowel 2,3 interior certain-lengths form two space designs up and down.
Shown in Fig. 6-a, cylinder 10 elongations, molding sand compressing mechanism 9 is that the center is rotated in a clockwise direction with supporting axis 8, molding top box and molding nowel 2,3 and match plate 5 simultaneous type sand blast inlet in vertical state is moved upward, and the molding sand lower end that is blown into two fluffing of moulding sand jars of mechanism 11 is blown into molding sand respectively and mouthful is connected thus.
When this moment, two space designs formed up and down, cylinder 10 elongation, it is also passable that molding sand compressing mechanism 9 is with supporting axis 8 that the center is rotated along clockwise direction, after two space designs form up and down, cylinder 10 elongation, molding sand compressing mechanism 9 are that the center is rotated in a clockwise direction and also can with supporting axis 8.
The bonding type sand blast is gone into mechanism 11 and is blown into mouth by molding sand and is blown into molding sand in the space design up and down and fills, and a plurality of afterwards cylinders 19,19 extends respectively, space design about pressure plate 6,7 further enters up and down, and molding sand compressed.
When the molding sand in the space design is up and down compressed, act on the oscilaltion support 14,15 by the opposite force of clamp mechanism 28,28 and connecting rod 18,18 up and down with cylinder 19,19,20,20.
Shown in Fig. 6-b, contractive action molding top box by cylinder 10 and molding nowel 2,3 and match plate 5 are got back to level.In this case, compression process can be carried out simultaneously with the process that is returned to horizontal plane, also can any one party at first carry out.
And molding sand is filled and the process of compression is divided into following two stages and also is fine, molding sand is blown into mechanism 11 and is blown into mouth by molding sand and is blown into molding sand in the space design up and down and fills, when following a pair of molding top box and molding nowel 2,3 and match plate 5 and return to level, a plurality of cylinders 19,19,20,20 shrink certain distance respectively, and pressure plate 6,7 returns to respectively near the peristome of a pair of molding top box and molding nowel up and down.
Then being blown into mechanism 11 by molding sand is blown into mouth by molding sand and is blown into molding sand in two space designs up and down once more and fills, when a pair of molding top box and molding nowel 2,3 and match plate 5 return to level, a plurality of cylinders 19,19,20,20 extend respectively, pressure plate 6,7 enters molding top box and molding nowel up and down, and the molding sand in two space designs is up and down compressed.
In the molding sand filling and compression engineering of this narration, though above-mentioned pressure plate up and down 6,7 inserts in above-mentioned a pair of molding top box and the molding nowel 2,3, be blown into molding sand in two space designs up and down that form after, above-mentioned molding sand is blown into the above-mentioned pressure plate 6,7 up and down of oral-lateral and steps back certain stroke.Above-mentioned up and down pressure plate 6,7 inserts respectively in a pair of molding top box and the molding nowel 2,3, is blown into molding sand in two space designs up and down to what form, and it is also passable that two pressure plates 6,7 are stepped back certain stroke up and down.
As mentioned above, be blown into molding sand in two space designs up and down and fill, make the mold hardness of a pair of molding top box and molding nowel 2,3 inner opening portion vicinity strengthen by being divided into two stages.
Then, the clamp mechanism 28,28 of bottom and the clamp position of connecting rod 18,18 are removed, shown in Fig. 7-a, cylinder 16,17 elongations up and down, when molding top box 2 being risen by oscilaltion support 14,15, molding nowel 3 descends, in have the molding top box of the mold of molding sand compression forming to separate from match plate 5 respectively with molding nowel 2,3.Molding nowel 3 is bonded bar 18,18 suspentions.
Shown in Fig. 7-b, after cylinder 24 shrinks, cantilever 25,25 is taken out of match plate 5 in molding top box and molding nowel 2,3, shown in Fig. 8-a, after being provided with core in the words mold that is necessary, cylinder 16,17 up and down shrinks, when by oscilaltion support 14,15 molding top box 2 being descended, molding nowel 3 rises, in have the molding top box 2 of mold and molding nowel 3 to overlap.
Shown in Fig. 8-b, a plurality of cylinders 19,19 elongations of molding sand compressing mechanism 9, a plurality of cylinders 20,20 of molding sand compressing mechanism 9 shrink, when pressure plate 6,7 descended up and down, downward cylinder 16,17 elongations that make progress were when molding top box 2 rises, after molding nowel 3 descends, molding nowel 3 is suspended by connecting rod 18,18, and mold M is pulled out in molding top box and molding nowel 2,3, and upper and lower molds M is pushed out machine exterior by ejecting device 26 from following pressure plate 7.
Begin using compression leg to describe from state shown in Figure 9 below as the method that the mold styling apparatus of the no sandbox of compression set carries out the upper and lower molds moulding.
At first, take out of cylinder 24 elongations of moving into mechanism 4, after a pair of cantilever 25,25 is moved into match plate 5 between the molding top box 2 of level of drag box assembly 27 and the molding nowel 3, cylinder 16 is flexible, when last lifting support 14 moves up and down molding top box 2 in short distance, the contraction of taking out of the cylinder 24 of moving into mechanism 4 makes cantilever 25 carry out clockwise motion, and cantilever 25 was returned to original state when cantilever 25 was removed with the connecting state of chassis.
The cylinder that makes progress 16 of molding sand compressing mechanism 9 and downward cylinder 17 shrink, oscilaltion support 14,15 makes molding top box and molding nowel 2,3 approaching mutually, molding top box and molding nowel 2,3 clamp match plate 5, and the bottom that a pair of clamp mechanism 28,28 of bottom will go up the connecting rod 18,18 of drag box assembly 27 clamps.
In the process that molding sand compressing mechanism 19 is rotated in a clockwise direction, a plurality of cylinders 19,19,20,20 on the molding sand compressing mechanism extend certain-length respectively, insert respectively as compression set up and down 6 ', 7 ' plurality of compressed pin 6a, 6a, 7a, 7a that certain-lengths form two space designs up and down in molding top box and the molding nowel 2,3.
When this moment, two space designs formed up and down, cylinder 10 elongation, molding sand compressing mechanism 9 with supporting axis 8 be the center turn clockwise also can, after two space designs form up and down, cylinder 10 elongation, molding sand compressing mechanism 9 are that the center turns clockwise and also can with supporting axis 8.
Extend certain-length respectively as compression set up and down 6 ', 7 ' plurality of compressed pin 6a, 6a, 7a, 7a, the template part of match plate and a plurality of being set between compression leg 6a, 6a, 7a, the 7a up and down on the other side make before the molding sand compression and the ratio after the compression infinitely approaching.
That is to say shown in Figure 12-b, before the molding sand compression, the template part of match plate 5 and a plurality of words that are spaced apart A, B between compression leg 6a, 6a, 7a, the 7a up and down on the other side, shown in Figure 12-c, this is spaced apart a, b molding sand compression back, and their ratio a/A, b/B will be infinitely close to the relation of a/A=b/B.
In other words, on the higher part of template part, compression leg 6a, 6a, 7a, the 7a molding sand amount stretching out and compress is less up and down, template part than lower part, compression leg 6a, 6a, 7a, the 7a molding sand amount stretching out and compress is more up and down.
Being blown into mechanism 11 by molding sand is blown into mouth from the molding sand of molding top box and molding nowel 2,3 and is blown into molding sand in the space design up and down and fills, following a plurality of cylinders 19,19,20,20 extends respectively, a plurality of up and down compression leg 6a, 6a, 7a, 7a further enter space design up and down, and the molding sand in the space design is up and down compressed.
A plurality of cylinder 6b, 6b, 7b, 7b shrink respectively a plurality of compression leg 6a, 6a, 7a, 7a are up and down stepped back, and a plurality of cylinders 19,19,20,20 extend respectively, and a plurality of compression leg 6a, 6a, 7a, 7a up and down enter molding top box and molding nowel.
The density of the upper and lower molds after moulding homogeneous roughly thus, upper and lower molds is near the i.e. side general planar (with reference to figure 12-a) of compression leg 6a, 6a, 7a, 7a up and down of compression set up and down.
When the molding sand in the space design was up and down compressed, 19,19,20,20 opposite force was by clamp mechanism 28,28 and connecting rod 18,18 act on the oscilaltion support 14,15 up and down.
A plurality of cylinders 19,19 elongations of molding sand compressing mechanism 9, a plurality of cylinders 20,20 of molding sand compressing mechanism 9 shrink, in the time of a plurality of compression leg 6a, 6a up and down, 7a, 7a decline, cylinder 16,17 elongations up and down, after molding nowel 3 descended when molding top box 2 rose, molding nowel 3 is by connecting rod 18,18 suspentions, extract upper and lower molds M from molding top box and molding nowel 2,3, upper and lower molds M is pushed out outside the machine from a plurality of lower compression pin 7a, 7a by ejecting device 26.
In above-mentioned preferred embodiment, before the molding sand compression, the template part of match plate and a plurality of words that are spaced apart A, B between compression leg 6a, 6a, 7a, the 7a up and down on the other side, shown in Figure 12-c, this is spaced apart the words of a, b molding sand compression back, their ratio a/A, b/B will be infinitely close to the relation of a/A=b/B, the density of the upper and lower molds after moulding homogeneous roughly thus, upper and lower molds is near the i.e. side general planar of compression leg 6a, 6a, 7a, 7a up and down of compression set up and down.But also be not limited in this kind situation.Shown in Figure 13-a to 13-b, after a plurality of spaces between compression leg 6a, 6a, 7a, the 7a up and down are set to state that molding sand is easy to flow in the template part of match plate 5 and the corresponding with it up and down compression set 6 ', 7 ', are blown into mouth from molding sand and are blown into molding sand up and down in the space design and carry out moulding and also be fine.
When the space between the template part of match plate 5 and a plurality of up and down compression leg 6a, 6a, 7a, the 7a is set to state that molding sand is easy to flow, the part ejection air of the spray nozzle part of fluffing of moulding sand jar sand fluidity differences such as (the particularly chokes of nozzle) also is fine with the frictional resistance that reduces molding sand and sidewall.
Shown in Figure 14-a to 14-f, match plate 5 and molding top box and molding nowel 2,3 and up and down in the compression set 6 ', 7 ', after compression leg 6a, 6a, 7a, 7a mark off the space design up and down of plumbness up and down, be blown into molding sand in the space design up and down by molding top box and molding nowel 2,3, a plurality of cylinder 6b, 6b, 7b, 7b extend respectively, a plurality of up and down compression leg 6a, 6a, 7a, 7a enter molding top box and molding nowel respectively, and the molding sand in the space design is up and down compressed.
A plurality of cylinder 6b, 6b, 7b, 7b step back, be blown into mouth by molding sand once more and be blown into molding sand in the space design up and down, a plurality of pressure planes of compression leg 6a, 6a, 7a, 7a up and down reach the state that flushes, a plurality of cylinders 19,19,20,20 extend respectively, compression leg 6a, 6a, 7a, 7a enter molding top box and molding nowel simultaneously up and down, further the molding sand in the space design are up and down compressed.
Compression leg 6a, 6a, 7a, 7a's part among a plurality of compression leg 6a, 6a, 7a, the 7a up and down also are fine in conjunction with as a whole structure up and down.
Claims (15)
1, a kind of formative method of upper and lower molds of no sandbox of coincidence is characterized by, and it comprises:
(1) is respectively equipped with molding sand on the sidewall and is blown into a pair of molding top box that is the level of state of mouth and the process that the molding nowel clamps match plate;
(2) peristome of no match plate inserts compression set up and down respectively in above-mentioned a pair of molding top box and molding nowel, forms the process of two space designs up and down;
(3) above-mentioned a pair of molding top box and molding nowel and match plate rotate to plumbness, and above-mentioned molding sand is blown into the process that mouth is moved upward;
(4) be blown into mouth from above-mentioned molding sand and be blown into the process that molding sand is filled in two space designs up and down;
(5) above-mentioned up and down compression set further enters up and down two space designs and molding sand is compressed, and above-mentioned a pair of molding top box and molding nowel and match plate are returned to the process of level;
The above-mentioned a pair of molding top box that mold arranged (6) is with after the molding nowel separates from above-mentioned match plate, the process that match plate is taken out of in the middle of above-mentioned a pair of molding top box and the molding nowel;
(7) be provided with core in the mold of words if necessary after moulding after, in have a pair of molding top box of mold and molding nowel to overlap process;
(8) after having a pair of molding top box of above-mentioned mold and molding nowel to overlap in, the process that above-mentioned mold is extracted therefrom.
2, the formative method of the upper and lower molds of no sandbox according to claim 1, it is characterized by, the peristome of no match plate inserts compression set up and down respectively in above-mentioned a pair of molding top box and molding nowel, form the process (2) of two space designs up and down, rotate to plumbness with above-mentioned a pair of molding top box and molding nowel and match plate, above-mentioned molding sand is blown into the process (3) that mouth is moved upward carries out simultaneously.
3, the formative method of the upper and lower molds of no sandbox according to claim 1, it is characterized by, the process (5) that above-mentioned up and down compression set further enters two space designs up and down and molding sand is compressed, above-mentioned a pair of molding top box and molding nowel and match plate are returned to level in the process of this compression.
4, the formative method of the upper and lower molds of no sandbox according to claim 1 is characterized by, above-mentioned up and down compression set be about pressure plate.
5, the formative method of the upper and lower molds of no sandbox according to claim 1 is characterized by, and above-mentioned compression set up and down is a plurality of compression leg up and down.
6, the formative method of the upper and lower molds of no sandbox according to claim 4 is characterized by, and after being blown into mouth and being blown into the process (4) that molding sand fills up and down in two space designs from above-mentioned molding sand, adds following two steps:
(a) above-mentioned pressure plate is up and down stepped back the step of certain stroke;
(b) be blown into mouth from above-mentioned molding sand and be blown into the step that molding sand is filled in two space designs up and down.
7, the formative method of the upper and lower molds of no sandbox according to claim 6, it is characterized by, (a) above-mentioned up and down pressure plate is stepped back the step of certain stroke, (b) is blown into mouth from above-mentioned molding sand and is blown into the step that molding sand fills up and down in two space designs and carries out simultaneously.
8, the formative method of the upper and lower molds of no sandbox according to claim 5, it is characterized by, compression set not up and down in the peristome of no match plate in above-mentioned a pair of molding top box and molding nowel, form the template part that includes match plate in the process (2) of two space designs up and down with each relative above-mentioned compression set up and down in a plurality of up and down between compression leg be set to before the molding sand compression with compression after the roughly the same step of each ratio.
9, the formative method of the upper and lower molds of no sandbox according to claim 5, it is characterized by, the peristome of no match plate inserts up and down compression set respectively in above-mentioned a pair of molding top box and molding nowel, form the template part that includes above-mentioned match plate in the process (2) of two space designs up and down with each relative above-mentioned compression set up and down in a plurality of spaces between compression leg up and down be arranged so that the step of the state that molding sand is easy to flow.
10, the formative method of the upper and lower molds of no sandbox according to claim 9, it is characterized by, the template part of above-mentioned match plate with each relative above-mentioned compression set up and down in a plurality of spaces between compression leg up and down be arranged so that in the step of the state that molding sand is easy to flow and include at the spray nozzle part of fluffing of moulding sand jar and the part ejection air of sand fluidity difference, reduce the step of the frictional resistance of molding sand and fluffing of moulding sand pot sidewall.
11, the formative method of the upper and lower molds of no sandbox according to claim 5, it is characterized by, be blown into mouth from above-mentioned molding sand and be blown into process (4) that molding sand fills and above-mentioned up and down two space designs and molding sand compressed about compression set further enters up and down in two space designs, above-mentioned a pair of molding top box and molding nowel and match plate are returned in the process (5) of level, also include:
(a) be blown into mouthful first molding sand that in the above-mentioned match plate of plumbness and molding top box and molding nowel and compression set forms up and down space design up and down, is blown into molding sand by above-mentioned molding sand and be blown into step;
(b) a plurality of compression leg up and down in the above-mentioned compression set up and down enter first compression step that in the above-mentioned space design up and down molding sand is compressed respectively;
(c) a plurality of compression leg up and down in the above-mentioned compression set up and down retreat, and are blown into mouthful second molding sand that is blown into molding sand in above-mentioned space design up and down by above-mentioned molding sand and are blown into step;
(d) a plurality of pressure planes of compression leg up and down in the above-mentioned compression set up and down reach the state that flushes, and a plurality of compression leg up and down enter second compression step that in the above-mentioned space design up and down molding sand is compressed simultaneously.
12, the styling apparatus of the upper and lower molds of the no sandbox of Chong Heing is characterized by, and it comprises:
(1) will be respectively equipped with on the sidewall that molding top box that molding sand is blown into mouthful is connected by connecting rod with the molding nowel so that molding top box and molding nowel free approaching and away from last drag box assembly;
(2) take out of mechanism and can come in and go out by moving in the molding top box of drag box assembly on this and the match plate between the molding nowel;
(3) molding sand compressing mechanism, it is provided so that,
The above-mentioned drag box assembly of going up can be mounted and dismounted by a plurality of clamp mechanism,
Above-mentioned molding top box and molding nowel clamp above-mentioned match plate,
Compression set can be come in and gone out does not respectively up and down have the peristome of match plate in above-mentioned molding top box and the molding nowel,
Above-mentioned molding top box and molding nowel can its in vertical state the position and the position that is the level of state between with the supporting axis be the center in vertical plane along suitable, be rotated counterclockwise;
(4) make this molding sand compressing mechanism along rotary drive mechanism clockwise, that counterclockwise rotate;
(5) driving by this rotary drive mechanism is blown into mouthful the molding sand that is blown into molding sand in the molding top box of plumbness and molding nowel from above-mentioned molding sand and is blown into mechanism.
13, the styling apparatus of the upper and lower molds of no sandbox according to claim 12 is characterized by, above-mentioned up and down compression set be about pressure plate.
14, the styling apparatus of the upper and lower molds of no sandbox according to claim 12 is characterized by, and above-mentioned compression set up and down is a plurality of compression leg up and down.
15, according to the styling apparatus of the upper and lower molds of any described no sandbox in the claim 12 to 14, it is characterized by, above-mentioned clamp mechanism includes a pair of hydraulic cylinder that waves, and be embedded in the claw on the axle of waving that this waves hydraulic cylinder, but the above-mentioned connecting rod of going up the drag box assembly of this claw clamping.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP077333/2004 | 2004-03-18 | ||
| JP2004077333 | 2004-03-18 | ||
| JP125536/2004 | 2004-04-21 | ||
| JP332788/2004 | 2004-11-17 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100966168A Division CN101279358B (en) | 2004-03-18 | 2004-12-17 | Method of forming molding-flask-less, upper and lower molds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1925937A true CN1925937A (en) | 2007-03-07 |
| CN100402189C CN100402189C (en) | 2008-07-16 |
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|---|---|---|---|
| CNB2004800423782A Expired - Fee Related CN100402189C (en) | 2004-03-18 | 2004-12-17 | Method of forming molding-flask-less, upper and lower molds and device therefor |
| CN2008100966168A Active CN101279358B (en) | 2004-03-18 | 2004-12-17 | Method of forming molding-flask-less, upper and lower molds |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2008100966168A Active CN101279358B (en) | 2004-03-18 | 2004-12-17 | Method of forming molding-flask-less, upper and lower molds |
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| CN (2) | CN100402189C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296274A (en) * | 2020-11-05 | 2021-02-02 | 湖南塑源特科技有限公司 | Foundry sand mold preparation facilities |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6036705B2 (en) * | 2012-01-20 | 2016-11-30 | 新東工業株式会社 | Punched frame mold making device, Punched frame mold making method and sand receiving device |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4791974A (en) * | 1987-05-18 | 1988-12-20 | Dansk Industri Syndikat A/S | Method and an apparatus for producing shaped bodies from particulate material |
| JPH03243243A (en) * | 1990-02-17 | 1991-10-30 | Sintokogio Ltd | Flaskless mold molding equipment |
| JP2772859B2 (en) * | 1990-07-27 | 1998-07-09 | 新東工業株式会社 | Frameless mold making machine |
| AU2412299A (en) * | 1999-02-23 | 2000-09-14 | Disa Industries A/S | Machine for producing flaskless moulds |
| US6823929B2 (en) * | 2000-04-21 | 2004-11-30 | Sintokogio, Ltd. | Die molding machine and pattern carrier |
-
2004
- 2004-12-17 CN CNB2004800423782A patent/CN100402189C/en not_active Expired - Fee Related
- 2004-12-17 CN CN2008100966168A patent/CN101279358B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296274A (en) * | 2020-11-05 | 2021-02-02 | 湖南塑源特科技有限公司 | Foundry sand mold preparation facilities |
| CN112296274B (en) * | 2020-11-05 | 2022-06-10 | 湖南塑源特科技有限公司 | Foundry sand mold preparation facilities |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100402189C (en) | 2008-07-16 |
| CN101279358B (en) | 2010-09-08 |
| CN101279358A (en) | 2008-10-08 |
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