CN104439106B - Transformation is impacted and is closely become die device and the method adopting this device Cheng Mo without case - Google Patents
Transformation is impacted and is closely become die device and the method adopting this device Cheng Mo without case Download PDFInfo
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- CN104439106B CN104439106B CN201410579309.0A CN201410579309A CN104439106B CN 104439106 B CN104439106 B CN 104439106B CN 201410579309 A CN201410579309 A CN 201410579309A CN 104439106 B CN104439106 B CN 104439106B
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- 230000009466 transformation Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000004576 sand Substances 0.000 claims abstract description 389
- 244000035744 Hura crepitans Species 0.000 claims abstract description 260
- 238000000465 moulding Methods 0.000 claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims description 84
- 238000003825 pressing Methods 0.000 claims description 60
- 238000001125 extrusion Methods 0.000 claims description 53
- 238000007789 sealing Methods 0.000 claims description 30
- 239000003110 molding sand Substances 0.000 claims description 29
- 239000000446 fuel Substances 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 10
- 238000013022 venting Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005056 compaction Methods 0.000 abstract description 13
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000007528 sand casting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 22
- 238000005266 casting Methods 0.000 description 16
- 238000007596 consolidation process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/02—Compacting by pressing devices only
- B22C15/08—Compacting by pressing devices only involving pneumatic or hydraulic mechanisms
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- Casting Devices For Molds (AREA)
Abstract
The invention discloses transformation impact and closely become die device and the method adopting this device Cheng Mo without case, described transformation is impacted and is closely become die device to include a left sandbox and a right sandbox without case, one interchangeable match plate, a sandbox moves device, a left and right horizontal pressurizing unit；When adopting this device to carry out moulding, adopt and add sand twice, two second compression gas side by side, be effectively increased in sand casting process exist degree of compaction difference, moulding is accurate, impact compact, and real sand is effective, consuming energy low, efficiency is high, and can overcome many drawbacks that simple air-impact molding causes。
Description
Technical field
The present invention relates to casting technology field, be specifically related to transformation impact and closely become die device and the method adopting this device Cheng Mo without case。
Background technology
In casting and molding process, Conventional processing methods has continued more than one thousand years, now also still in application。But it is as the fast development of foundary industry, the demand being adapted to mechanization production that casting technique under the production of big industrial age needs, from jarring formula moulding, microseism squeeze mo(u)lding, removable-flask moulding to the air-impact molding of bigger foundry goods and relatively light casting, it is required for a kind of reasonably cast type process。Particularly in removable-flask moulding technique, it is very fast that horizontal parting technique and vertical formative technology all develop, substantially disclosure satisfy that for being generally not very complicated foundry goods, but very strict foundry goods is required for the complex physical dimension of external form in other words, just there is a lot of problems, as penetrated sand inefficiency, to penetrate sand uneven, casting mold surface of internal cavity sand hardness concordance is poor, difference of hardness is big, foundry goods in casting solidification process it is difficult to ensure that presentation quality, casting accuracy and hot investment casting have sizable distance。
Summary of the invention
It is an object of the invention to, for the deficiencies in the prior art, it is provided that transformation is impacted and closely become die device and the method adopting this device Cheng Mo without case。
The technical solution used in the present invention is as follows。
Transformation is impacted and is closely become die device without case, and described one-tenth die device includes:
One left sandbox and a right sandbox, the body structure that described left sandbox and right sandbox are leading flank, trailing flank opens wide。The upper side of described left sandbox and right sandbox is equipped with leads sand plate。
One interchangeable match plate, match plate is arranged on match plate and moves more on changing device, match plate is between left sandbox and right sandbox and keeps perpendicular to the ground, and match plate has left surface corresponding with the trailing flank of left sandbox and right surface corresponding with right sandbox leading flank。The left surface of match plate and right surface are respectively provided with model。
One sandbox moves device, for left sandbox and right sandbox or one of both are relatively moved to described match plate, so that this left sandbox and right sandbox can clamp and discharge the match plate being held in therebetween。
One left and right horizontal pressurizing unit, left and right horizontal pressurizing unit includes left lateral extrusion device, right lateral extrusion device。Left lateral extrusion device can insert left sandbox when match plate is held between left sandbox and right sandbox from the leading flank of left sandbox。Right lateral extrusion device can insert right sandbox when match plate is held between left sandbox and right sandbox from the trailing flank of right sandbox。
One penetrates sand device, penetrate sand device to be arranged on and penetrate sand and move on device, when match plate be held between left sandbox and right sandbox and left lateral extrusion device insert left sandbox and right lateral extrusion device insert right sandbox time, penetrate sand device penetrate sand mouth with lead sand plate and be connected and pass through to lead sand plate sandbox to the left, right sandbox sprays into molding sand。Lead sand plate be provided with hole and be provided with the closing device controlling described hole。
Described left lateral extrusion device, right lateral extrusion apparatus structure are identical, all include hydraulic jack, stripper plate, stripper plate is arranged on the end of hydraulic jack output shaft, the leading flank of the salable left sandbox of stripper plate of left lateral extrusion device horizontal movement in left sandbox, the trailing flank of the salable right sandbox of stripper plate of right lateral extrusion device horizontal movement in right sandbox。Being provided with dividing plate in described stripper plate, divider upright is in the bottom surface of stripper plate。The medial surface of dividing plate and lateral surface level are to being provided with some transverse slats, and the medial surface of dividing plate and outside vertical intersect the some grids of composition to being provided with some risers, transverse slat and riser to putting down。On dividing plate, the centre of form of each grid is provided with hole, and in hole, level is to being provided with connecting rod。It is provided with the pressing plate adapted with its shape in the grid of dividing plate lateral surface, is provided with the push pedal adapted with its shape in the grid of dividing plate medial surface, is connected by connecting rod between pressing plate with push pedal。It is provided with cavity between described dividing plate and the leading flank of stripper plate, stripper plate is provided with mean for pressure device。The transverse slat of the side that the thickness of described pressing plate is corresponding with dividing plate and the thickness of riser are identical。
Further, described push pedal, pressing plate, dividing plate are provided with some holes, and the diameter in described hole is less than the particle diameter of molding sand。
Further, described in lead sand plate be rectangular-shaped, lead sand plate and be provided with some through square holes being perpendicular to its bottom surface。Described closing device includes one group of horizontal sealing plate, one group of vertical sealing plate。Horizontal sealing plate is mutually perpendicular to vertical sealing plate, and vertical sealing plate, horizontal sealing plate is arranged on the level leading sand plate on cross section。Vertical sealing plate, horizontal sealing plate all includes some rectangle battens being parallel to each other, and the end of batten is provided with and controls the controller that batten moves along its long side direction。
The longitudinal section of match plate is trapezoidal, the angle 83-86 degree between trapezoidal the right and left and its base。
Adopt above-mentioned transformation to impact the method closely becoming die device to carry out moulding without case, comprise the steps:
Step 1: lay model on match plate。Move more changing device by match plate moved between left sandbox and right sandbox by match plate and keep perpendicular to the ground。Move device by sandbox and make left sandbox and right sandbox or one of both relative movement, clamping match plate, from the leading flank of left sandbox, left lateral extrusion device is inserted left sandbox, and right lateral extrusion device inserts right sandbox from the trailing flank of right sandbox, forms the die cavity of sand mold molding。
Step 2: move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device。Sand plate is led in unlatching, and by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 3: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances。Two stripper plate move toward one another one segment distances, are for pre-consolidation, by closely knit to a certain extent for the sand entirety in die cavity。Pretension is real-time, gets rid of the air in die cavity by push pedal, pressing plate, dividing plate。
Step 4: opening high-pressure air source, inject the pressure-air of certain pressure in the cavity of stripper plate, the pressing plate in two bulkhead sides is move toward one another one segment distance in grid。Sand entirety in step 4, die cavity is closely knit to a certain extent, and at this moment, the sand of the positive front side of model is little with the sand degree of compaction difference of other parts, it is only necessary to fine setting can realize less closely knit difference。Injecting the pressure-air of certain pressure, under identical air pressure, it is more that the stripper plate 602 on the sand surface that degree of compaction is low moves to match plate direction, and it is a little less that the stripper plate 602 on the sand surface that degree of compaction is high moves to match plate direction。
Step 5: hydraulic jack is pumped, and drives two stripper plates to be located remotely from each other a segment distance。
Step 6: open vacuum pump, extracts the air in the cavity of stripper plate, makes the pressing plate in two bulkhead sides be located remotely from each other in grid and be close to the side of dividing plate。Because having bled, so the air got rid of in die cavity is effective, gained sand mold is closely knit effective。Getting rid of the air in cavity, be for the whole return of pressing plate, under the stop of dividing plate, the trailing flank of pressing plate and transverse slat and riser forms a plane。So, when suppressing sand mold, mould surface is smooth, thus avoiding mould surface out-of-flatness and needing to root out a part and realize smooth trouble。
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 8: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances, completes the making to sand mo(u)ld。Sand is added twice owing to adopting, and second time sand feeding amount is little, twice consolidation, solve sand mold back in prior art and always there is the loose layer of sand in irregular shape of 30-50MM, this part molding sand must adopt special technique to remove after moulding, add workload, the problem causing unnecessary waste。
Step 9: hydraulic jack, left sandbox, right sandbox) reset, take out sand mo(u)ld, change match plate and enter the making of next sand mo(u)ld, so repeat。
Further, described confession pressure device includes high-pressure air source, vacuum pump。High-pressure air source is connected with the cavity of stripper plate by pipeline, and pipeline is provided with controller。Vacuum pump is connected with the cavity of stripper plate by pipeline, and pipeline is provided with controller。When for pressure device to injection pressure-air in the cavity of stripper plate or evacuation, push pedal and pressing plate can horizontal movements in grid。Adopt this transformation to impact the method closely becoming die device to carry out moulding without case, comprise the steps:
Step 1: lay model on match plate。Move more changing device by match plate moved between left sandbox and right sandbox by match plate and keep perpendicular to the ground。Move device by sandbox and make left sandbox and right sandbox or one of both relative movement, clamping match plate, from the leading flank of left sandbox, left lateral extrusion device is inserted left sandbox, and right lateral extrusion device inserts right sandbox from the trailing flank of right sandbox, forms the die cavity of sand mold molding。
Step 2: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 3: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances。
Step 4: opening high-pressure air source, inject the pressure-air of certain pressure in the cavity of stripper plate, the pressing plate in two bulkhead sides is move toward one another one segment distance in grid。
Step 5: hydraulic jack is pumped, and drives two stripper plates to be located remotely from each other a segment distance。
Step 6: open vacuum pump, extracts the air in the cavity of stripper plate, makes the pressing plate in two bulkhead sides be located remotely from each other in grid and be close to the side of dividing plate。
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 8: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances, completes the making to sand mo(u)ld。
Step 9: hydraulic jack, left sandbox, right sandbox reset, takes out sand mo(u)ld, changes match plate and enters the making of next sand mo(u)ld, so repeats。Have employed this cheap device of extension spring, solve the playback problem of pressing plate 607, greatly reduce the cost of equipment。
Further, described confession pressure device includes high-pressure air source。High-pressure air source is connected with the cavity of stripper plate by pipeline, and pipeline is provided with controller。Being provided with some extension springs between leading flank and each push pedal of described stripper plate, before not injecting gases at high pressure to the cavity of stripper plate, under the effect of extension spring, the leading flank of pressing plate is in close contact with the trailing flank of dividing plate。Stripper plate is provided with the venting valve that can release cavity gas。Adopt this transformation to impact the method closely becoming die device to carry out moulding without case, comprise the steps:
Step 1: lay model on match plate。Move more changing device by match plate moved between left sandbox and right sandbox by match plate and keep perpendicular to the ground。Move device by sandbox and make left sandbox and right sandbox or one of both relative movement, clamping match plate, from the leading flank of left sandbox, left lateral extrusion device is inserted left sandbox, and right lateral extrusion device inserts right sandbox from the trailing flank of right sandbox, forms the die cavity of sand mold molding。
Step 2: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances。
Step 3: opening high-pressure air source, inject the pressure-air of certain pressure in the cavity of stripper plate, the pressing plate in two bulkhead sides is move toward one another one segment distance in grid。Keep the pressure of cavity。Owing to its extension spring more remote of the height at distance model center is more loose, the pressing plate that now height at distance model center is more remote is the closer to match plate。
Step 4: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 5: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances。
Step 6: hydraulic jack is pumped, and drives two stripper plates to be located remotely from each other a segment distance。Closing high-pressure air source, open venting valve, under the effect of extension spring, the pressing plate in two bulkhead sides is located remotely from each other in grid and is close to the side of dividing plate。
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 8: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances, completes the making to sand mo(u)ld。
Step 9: hydraulic jack, left sandbox, right sandbox reset, takes out sand mo(u)ld, changes match plate 4 and enters the making of next sand mo(u)ld, so repeats。
Further, the tightness of described extension spring is different, and its extension spring more remote of the distance at the center of distance model is more loose。Adopt this transformation to impact the method closely becoming die device to carry out moulding without case, comprise the steps:
Step 1: lay model on match plate。Move more changing device by match plate moved between left sandbox and right sandbox by match plate and keep perpendicular to the ground。Move device by sandbox and make left sandbox and right sandbox or one of both relative movement, clamping match plate, from the leading flank of left sandbox, left lateral extrusion device is inserted left sandbox, and right lateral extrusion device inserts right sandbox from the trailing flank of right sandbox, forms the die cavity of sand mold molding。
Step 2: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances。
Step 3: opening high-pressure air source, inject the pressure-air of certain pressure in the cavity of stripper plate, the pressing plate in two bulkhead sides is move toward one another one segment distance in grid。Keep the pressure of cavity。Owing to its extension spring more remote of the height at distance model center is more loose, the pressing plate that now height at distance model center is more remote is the closer to match plate。
Step 4: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 5: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances。
Step 6: hydraulic jack is pumped, and drives two stripper plates to be located remotely from each other a segment distance。
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand, by leading sand plate sandbox to the left, right sandbox sprays into molding sand。Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth and leading sand plate and separate of sand device, close and lead sand plate。
Step 8: close high-pressure air source, opens venting valve, and under the effect of extension spring, the pressing plate in two bulkhead sides is located remotely from each other in grid and is close to the side of dividing plate。
Step: 9: hydraulic jack fuel feeding, promotes two stripper plate move toward one another one segment distances, completes the making to sand mo(u)ld。
Step 10: hydraulic jack, left sandbox, right sandbox reset, takes out sand mo(u)ld, changes match plate and enters the making of next sand mo(u)ld, so repeats。When first time penetrates sand, it is more many that to axis more remote pressing plate vertical with model moves to match plate direction, and the space of die cavity is not rectangular-shaped。The sand that die cavity surrounding is injected away from its centre of form part is fewer than embodiment 2, so fundamentally solves surrounding on the low side away from its centre of form part degree of packing, the problem that gained casting dimension accuracy is relatively low。
The invention has the beneficial effects as follows: push pedal, pressing plate, dividing plate are provided with some holes, and the diameter in described hole is less than the particle diameter of molding sand。It is provided with the hole of these micro-apertures, it is possible to when moulding, gets rid of the air in die cavity, improve degree of compaction further。Particularly in the cavity evacuation to pressing plate, good exhaust effect, it is effectively increased the accuracy of casting。Have employed first pre-consolidation, by overall for the sand in the die cavity closely knit method carrying out secondary stop-off second-compressed fine setting to a certain extent afterwards, regulate degree of compaction difference further。After pressing plate return, under the stop of dividing plate, the trailing flank of pressing plate and transverse slat and riser forms a plane。So, when suppressing sand mold, mould surface is smooth, thus avoiding mould surface out-of-flatness and needing to root out a part and realize smooth trouble。Vertical sealing plate, in horizontal sealing plate difference folding situation, by covering part square hole, it is achieved the direction penetrating sand is controlled, it is controlled to penetrate sand amount, improves the casting accuracy to shaped piece。
Accompanying drawing explanation
Fig. 1 is the structural representation that transformation of the present invention impacts the preferred embodiment closely becoming die device without case。
Fig. 2 is the schematic diagram that transformation shown in Fig. 1 impacts the kinestate closely becoming die device without case。
Fig. 3 is the schematic diagram that transformation shown in Fig. 1 impacts the kinestate closely becoming die device without case。
Fig. 4 is the schematic diagram that transformation shown in Fig. 1 impacts the kinestate closely becoming die device without case。
Fig. 5 is the schematic diagram that transformation shown in Fig. 1 impacts the kinestate closely becoming die device without case。
Fig. 6 is the structural representation of dividing plate。
Fig. 7 is the structural representation leading sand plate。
Fig. 8 leads the schematic diagram under one use state of sand plate。
Fig. 9 leads the schematic diagram under one use state of sand plate。
Figure 10 leads the schematic diagram under one use state of sand plate。
Figure 11 leads the schematic diagram under one use state of sand plate。
Figure 12 leads the schematic diagram under one use state of sand plate。
Figure 13 leads the schematic diagram under one use state of sand plate。
Figure 14 leads the schematic diagram under one use state of sand plate。
Figure 15 leads the schematic diagram under one use state of sand plate。
Figure 16 leads the schematic diagram under one use state of sand plate。
Figure 17 is the structural representation that transformation of the present invention impacts the preferred embodiment closely becoming die device without case。
Figure 18 is the schematic diagram that transformation shown in Figure 17 impacts the kinestate closely becoming die device without case。
In Figure 18, arrow illustrates the direction of motion of stripper plate。
Figure 19 is the schematic diagram that transformation shown in Figure 17 impacts the kinestate closely becoming die device without case。
Figure 20 is the schematic diagram that transformation shown in Figure 17 impacts the kinestate closely becoming die device without case。
Figure 21 is the schematic diagram that transformation shown in Figure 17 impacts the kinestate closely becoming die device without case。
Figure 22 is the structural representation that transformation of the present invention impacts the preferred embodiment closely becoming die device without case。
Figure 23 is the schematic diagram that transformation shown in Figure 22 impacts the kinestate closely becoming die device without case。
Figure 24 is the schematic diagram that transformation shown in Figure 22 impacts the kinestate closely becoming die device without case。
Figure 25 is the schematic diagram that transformation shown in Figure 22 impacts the kinestate closely becoming die device without case。
Figure 26 is the schematic diagram that transformation shown in Figure 22 impacts the kinestate closely becoming die device without case。
Figure 27 is the schematic diagram that transformation shown in Figure 22 impacts the kinestate closely becoming die device without case。
Figure 28 is the structural representation that transformation of the present invention impacts the preferred embodiment closely becoming die device without case。
Figure 29 is the structural representation that transformation of the present invention impacts the preferred embodiment closely becoming die device without case。
Figure 30 is the structural representation of stripper plate 602 in Fig. 1。
Wherein: left sandbox-1；Right sandbox-2；Lead sand plate-3；Match plate-4；Model-5；Left lateral extrusion device-61；Right lateral extrusion device-62；Hydraulic jack-601；Stripper plate-602；Hydraulic jack output shaft-603；Dividing plate-604；Push pedal-605；Connecting rod-606；Pressing plate-607；Transverse slat-608；Riser-609；Hole-610；Grid-611；Cavity-612；Extension spring-613；Venting valve-614；Penetrate sand device-7；Penetrate Sha Kou-71；Penetrate sand and move device-72；High-pressure air source-81；Vacuum pump-82；Pipeline-83；Controller-84；Controller-85；Pipeline-86；Square hole-91；Horizontal sealing plate-92；Vertical sealing plate-93；Controller-94。
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described。
Embodiment 1。As shown in Fig. 1, Fig. 6, Figure 30, a kind of transformation is impacted and is closely become die device without case, including:
One left sandbox 1 and a right sandbox 2, the body structure that described left sandbox 1 and right sandbox 2 are leading flank, trailing flank opens wide；The upper side of described left sandbox 1 and right sandbox 2 is equipped with leads sand plate 3。
One interchangeable match plate 4, match plate is arranged on match plate and moves more on changing device 41, match plate 4 is between left sandbox 1 and right sandbox 2 and keeps perpendicular to the ground, and match plate 4 has the corresponding left surface of trailing flank with left sandbox 1 and right surface corresponding with right sandbox 2 leading flank；The left surface of match plate 4 and right surface are respectively provided with model 5。
One sandbox moves device 11, for both left sandbox 1 and right sandbox 2 or one of both are relatively moved to described match plate 4, so that this left sandbox 1 and right sandbox 2 can clamp and discharge the match plate 4 being held in therebetween。
One left and right horizontal pressurizing unit, left and right horizontal pressurizing unit includes left lateral extrusion device 61, right lateral extrusion device 62；Left lateral extrusion device 61 can insert left sandbox 1 when match plate 4 is held between left sandbox 1 and right sandbox 2 from the leading flank of left sandbox 1；Right lateral extrusion device 62 can insert right sandbox 2 when match plate 4 is held between left sandbox 1 and right sandbox 2 from the trailing flank of right sandbox 2。
One penetrates sand device 7, penetrate sand device to be arranged on and penetrate sand and move on device 72, when match plate 4 is held between left sandbox 1 and right sandbox 2 and left lateral extrusion device 61 inserts left sandbox 1 and right lateral extrusion device 62 inserts right sandbox 2, penetrate sand device 7 penetrate sand mouth 71 with lead sand plate 3 and be connected and pass through to lead sand plate 3 sandbox 1 to the left, right sandbox 2 sprays into molding sand；Lead sand plate 3 be provided with hole and be provided with the closing device controlling described hole。
Described left lateral extrusion device 61, right lateral extrusion device 62 structure are identical, all include hydraulic jack 601, stripper plate 602, stripper plate 602 is arranged on the end of hydraulic jack output shaft 603, the leading flank of the salable left sandbox 1 of stripper plate of left lateral extrusion device 61 horizontal movement in left sandbox 1, the trailing flank of the salable right sandbox 2 of stripper plate of right lateral extrusion device 62 horizontal movement in right sandbox 2；Being provided with dividing plate 604 in described stripper plate, dividing plate 604 is perpendicular to the bottom surface of stripper plate 602；The medial surface of dividing plate 604 and lateral surface level are to being provided with some transverse slats 608, the medial surface of dividing plate 604 and outside vertical to putting down to being provided with some risers 609, and transverse slat and riser intersect and form some grids 611；On dividing plate 604, the centre of form of each grid 611 is provided with hole 610, and in hole 610, level is to being provided with connecting rod 606；It is provided with the pressing plate 607 adapted with its shape in the grid 611 of dividing plate 604 lateral surface, in the grid of dividing plate medial surface, is provided with the push pedal 605 adapted with its shape, be connected by connecting rod 606 between pressing plate 607 with push pedal 605；It is provided with cavity 612 between described dividing plate 604 and the leading flank of stripper plate 602, stripper plate 602 is provided with mean for pressure device；The transverse slat of the side that the thickness of described pressing plate 607 is corresponding with dividing plate 604 and the thickness of riser are identical。
Described push pedal 605, pressing plate 607, dividing plate 604 are provided with some holes, and the diameter in described hole is less than the particle diameter of molding sand。It is provided with the hole of these micro-apertures, it is possible to when moulding, gets rid of the air in die cavity, improve degree of compaction further。
Described confession pressure device includes high-pressure air source 81, vacuum pump 82；High-pressure air source 81 is connected with the cavity 612 of stripper plate 602 by pipeline 83, and pipeline 83 is provided with controller 84；Vacuum pump 82 is connected with the cavity 612 of stripper plate 602 by pipeline 86, and pipeline 86 is provided with controller 85；When for pressure device to injection pressure-air in the cavity 612 of stripper plate 602 or evacuation, push pedal 605 and pressing plate 607 can horizontal movements in grid 611。
As it is shown in fig. 7, described in lead sand plate 3 in rectangular-shaped, lead sand plate 3 and be provided with some through square holes 91 being perpendicular to its bottom surface；Described closing device includes one group of horizontal sealing plate 92, one group of vertical sealing plate 93, and horizontal sealing plate 92 is mutually perpendicular to vertical sealing plate 93, and vertical sealing plate 93, horizontal sealing plate 92 are arranged on the level leading sand plate on cross section；Vertical sealing plate 93, horizontal sealing plate 92 all include some rectangle battens being parallel to each other, and the end of batten is provided with and controls the controller 94 that batten moves along its long side direction。
As shown in Fig. 1 to Fig. 5, adopt above-mentioned transformation to impact the method closely becoming die device to carry out moulding without case, comprise the steps:
Step 1: lay model on match plate 4；Move more changing device 41 by match plate moved between left sandbox 1 and right sandbox 2 by match plate 4 and keep perpendicular to the ground；Move device 11 by sandbox and make both left sandbox 1 and right sandbox 2 or one of both relative movement, clamping match plate 4, left lateral extrusion device 61 is inserted left sandbox 1 from the leading flank of left sandbox 1, right lateral extrusion device 62 inserts right sandbox 2 from the trailing flank of right sandbox 2, forms sand mold molding space。
Step 2: as in figure 2 it is shown, move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be connected of sand device 7, sand plate 3 is led in unlatching, and by leading sand plate 3 sandbox 1 to the left, right sandbox 2 sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and separate of sand device 7, close and lead sand plate 3。Arrow illustrates the direction of motion of left and right lateral extrusion device。
Step 3: hydraulic jack 601 fuel feeding, promotes two stripper plate 602 move toward one another one segment distances。Two stripper plate 602 move toward one another one segment distances, are for pre-consolidation, by closely knit to a certain extent for the sand entirety in die cavity。Pretension is real-time, gets rid of the air in die cavity by push pedal 605, pressing plate 607, dividing plate 604。
Step 4: open high-pressure air source 81, inject the pressure-air of certain pressure in the cavity 612 of stripper plate 602, move toward one another one segment distance in grid 611 of the pressing plate 607 in two bulkhead sides。Owing to the sand degree of compaction of the positive front side of die cavity inherence model is high, and remainder degree of compaction is low, and the pressing plate 607 in each grid is independent。Sand entirety in step 4, die cavity is closely knit to a certain extent, and at this moment, the sand of the positive front side of model is little with the sand degree of compaction difference of other parts, it is only necessary to fine setting can realize less closely knit difference。Injecting the pressure-air of certain pressure, under identical air pressure, it is more that the stripper plate 602 on the sand surface that degree of compaction is low moves to match plate direction, and it is a little less that the stripper plate 602 on the sand surface that degree of compaction is high moves to match plate direction。
Step 5: as shown in Figure 4, hydraulic jack 601 is pumped, and drives two stripper plates 602 to be located remotely from each other a segment distance, penetrates sand for second time and provides space。Second time penetrates the amount of sand less than first time。
Step 6: open vacuum pump 82, extracts the air in the cavity 612 of stripper plate 602, makes the pressing plate 607 in two bulkhead sides be located remotely from each other in grid 611 and be close to the side of dividing plate。Because having bled, so the air got rid of in die cavity is effective, gained sand mold is closely knit effective。Getting rid of the air in cavity 612, be for the whole return of pressing plate, under the stop of dividing plate, the trailing flank of pressing plate and transverse slat and riser forms a plane。So, when suppressing sand mold, mould surface is smooth, thus avoiding mould surface out-of-flatness and needing to root out a part and realize smooth trouble。
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be connected of sand device 7, open and lead sand plate 3, by leading sand plate 3 sandbox 1 to the left, right sandbox 2 sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and separate of sand device 7, close and lead sand plate 3。
Step 8: as it is shown in figure 5, hydraulic jack 601 fuel feeding, promote two stripper plate 602 move toward one another one segment distances, complete the making to sand mo(u)ld。Sand is added twice owing to adopting, and second time sand feeding amount is little, twice consolidation, solve sand mold back in prior art and always there is the loose layer of sand in irregular shape of 30-50MM, this part molding sand must adopt special technique to remove after moulding, add workload, the problem causing unnecessary waste。
Step 9: hydraulic jack 601, left sandbox 1, right sandbox 2 reset, takes out sand mo(u)ld, changes match plate 4 and enters the making of next sand mo(u)ld, so repeats。
Fig. 8 to Figure 16 illustrate lead sand plate 3 vertical sealing plate, in horizontal sealing plate difference folding situation, lead sand plate 3 cross-sectional view。Wherein dash area represents that square hole is covered。When penetrating sand, by covering part square hole, it is achieved the direction penetrating sand is controlled, it is controlled to penetrate sand amount, improves the casting accuracy to shaped piece。
Embodiment 2。The present embodiment is in that from the different of embodiment 1: described confession pressure device includes high-pressure air source 81；High-pressure air source 81 is connected with the cavity 612 of stripper plate 602 by pipeline 83, and pipeline 83 is provided with controller 84；Being provided with some extension springs 613 between leading flank and each push pedal 605 of described stripper plate 602, before not injecting gases at high pressure to the cavity 612 of stripper plate 602, under the effect of extension spring 613, the trailing flank of the leading flank of pressing plate 607 and dividing plate 604 is in close contact；Stripper plate 602 is provided with the venting valve 614 that can release cavity 612 gas。
If Figure 17 is to, shown in 21, adopting above-mentioned transformation to impact and closely become the method that die device carries out moulding to comprise the steps: without case
Step 1: lay model on match plate 4；Move more changing device 41 by match plate moved between left sandbox 1 and right sandbox 2 by match plate 4 and keep perpendicular to the ground；Move device 11 by sandbox and make both left sandbox 1 and right sandbox 2 or one of both relative movement, clamping match plate 4, left lateral extrusion device 61 is inserted left sandbox 1 from the leading flank of left sandbox 1, right lateral extrusion device 62 inserts right sandbox 2 from the trailing flank of right sandbox 2, forms sand mold molding space。
Step 2: hydraulic jack 601 fuel feeding, promotes two stripper plate 602 move toward one another one segment distances。
Step 3: open high-pressure air source 81, inject the pressure-air of certain pressure in the cavity 612 of stripper plate 602, move toward one another one segment distance in grid 611 of the pressing plate 607 in two bulkhead sides；Keep the pressure of cavity 612；Owing to its extension spring more remote of the height at distance model center is more loose, the pressing plate 607 that now height at distance model center is more remote is the closer to match plate 4。
Step 4: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be connected of sand device 7, open and lead sand plate 3, by leading sand plate 3 sandbox 1 to the left, right sandbox 2 sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and separate of sand device 7, close and lead sand plate 3。
Step 5: hydraulic jack 601 fuel feeding, promotes two stripper plate 602 move toward one another one segment distances。
Step 6: hydraulic jack 601 is pumped, drives two stripper plates 602 to be located remotely from each other a segment distance；Closing high-pressure air source 81, open venting valve 614, under the effect of extension spring, the pressing plate 607 in two bulkhead sides is located remotely from each other in grid 611 and is close to the side of dividing plate。
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be connected of sand device 7, open and lead sand plate 3, by leading sand plate 3 sandbox 1 to the left, right sandbox 2 sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and separate of sand device 7, close and lead sand plate 3。
Step 8: hydraulic jack 601 fuel feeding, promotes two stripper plate 602 move toward one another one segment distances, completes the making to sand mo(u)ld。
Step 9: hydraulic jack 601, left sandbox 1, right sandbox 2 reset, takes out sand mo(u)ld, changes match plate 4 and enters the making of next sand mo(u)ld, so repeats。
The present embodiment extension spring specification is identical。Have employed this cheap device of extension spring, solve the playback problem of pressing plate 607, greatly reduce the cost of equipment。
Embodiment 3。The present embodiment is in that from the different of embodiment 2: the tightness of described extension spring 613 is different, and its extension spring more remote of the distance at the center of distance model 5 is more loose。
As shown in Figure 22 to Figure 27, adopt above-mentioned transformation to impact the method closely becoming die device to carry out moulding without case, comprise the steps:
Step 1: lay model on match plate 4；Move more changing device 41 by match plate moved between left sandbox 1 and right sandbox 2 by match plate 4 and keep perpendicular to the ground；Move device 11 by sandbox and make both left sandbox 1 and right sandbox 2 or one of both relative movement, clamping match plate 4, left lateral extrusion device 61 is inserted left sandbox 1 from the leading flank of left sandbox 1, right lateral extrusion device 62 inserts right sandbox 2 from the trailing flank of right sandbox 2, forms sand mold molding space。
Step 2: hydraulic jack 601 fuel feeding, promotes two stripper plate 602 move toward one another one segment distances。
Step 3: open high-pressure air source 81, inject the pressure-air of certain pressure in the cavity 612 of stripper plate 602, move toward one another one segment distance in grid 611 of the pressing plate 607 in two bulkhead sides；Keep the pressure of cavity 612；Owing to its extension spring more remote of the height at distance model center is more loose, the pressing plate 607 that now height at distance model center is more remote is the closer to match plate 4。
Step 4: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be connected of sand device 7, open and lead sand plate 3, by leading sand plate 3 sandbox 1 to the left, right sandbox 2 sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and separate of sand device 7, close and lead sand plate 3。
Step 5: hydraulic jack 601 fuel feeding, promotes two stripper plate 602 move toward one another one segment distances。
Step 6: hydraulic jack 601 is pumped, drives two stripper plates 602 to be located remotely from each other a segment distance。
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be connected of sand device 7, open and lead sand plate 3, by leading sand plate 3 sandbox 1 to the left, right sandbox 2 sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and separate of sand device 7, close and lead sand plate 3。
Step 8: close high-pressure air source 81, opens venting valve 614, and under the effect of extension spring, the pressing plate 607 in two bulkhead sides is located remotely from each other in grid 611 and is close to the side of dividing plate。
Step: 9: hydraulic jack 601 fuel feeding, promotes two stripper plate 602 move toward one another one segment distances, completes the making to sand mo(u)ld。
Step 10: hydraulic jack 601, left sandbox 1, right sandbox 2 reset, takes out sand mo(u)ld, changes match plate 4 and enters the making of next sand mo(u)ld, so repeats。
The process distinction of the present embodiment and embodiment 2 is in that: when first time penetrates sand, it is more many that to axis more remote pressing plate 607 vertical with model moves to match plate direction, and the space of die cavity is not rectangular-shaped。The sand that die cavity surrounding is injected away from its centre of form part is fewer than embodiment 2, so fundamentally solves surrounding on the low side away from its centre of form part degree of packing, the problem that gained casting dimension accuracy is relatively low。
Embodiment 4。As shown in figure 28, the present embodiment and embodiment 3 only difference is that: the longitudinal section of match plate 4 is trapezoidal, the angle 83-86 degree between trapezoidal the right and left and its base。Through production practices, under this angle, the demoulding is more convenient, efficient。
Embodiment 5。As shown in figure 29, the present embodiment and embodiment 1 only difference is that: arrange gate stick 73 in the bottom penetrating sand mouth 71, left sandbox 1, right sandbox 2 with lead sand plate 3 joint part be provided with air flue, gate stick 73 also is provided with air flue, and each air flue is connected with high-pressure air source by pipeline。Pipeline is provided with switch。Often making a type, gate stick is insufflated cleaning once, to extend the service life of gate stick。Compaction pressure is penetrated sand device 7 and is lifted off sandbox after requiring that the basic, normal, high third gear compacting of selection terminates according to casting process, and two stripper plate 602 rollbacks, now gate stick also exits casting mold。Sandbox moves device 11, match plate moves more changing device and circles round 90 degree, makes sandbox return to horizontal level and carries out molding of unpacking。Being also equipped with electromagnetic shaker 400 during molding, vibrator 400 is located on left sandbox, right sandbox, improves molding speed by vibrator 400 vibrations。When unpacking, match plate moves more changing device 41 by match plate and gently smoothly deviates from from sandbox。After unpacking, match plate returns to, from moulding station, plate station of remodeling, and operator checks casting mold and lower core then mould assembly drawing。Exit sand mold and gate stick Air blowing cleaning in exiting process due to gate stick in advance, so when being turned to horizontal level, the scattered sand leading sand plate 3 part after unpacking all is cleaned out, absolutely not dissipate sand when mould assembly and drawing and fall in die cavity。After adopting direct type device that gently sand mold is dropped to certain altitude, push type device first slow rear fast cast cooling line of slowly being pushed to by casting mold again is adopted to complete a moudling cycle。Direct type device, push type apparatus surface are smooth panel。
The foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature carries out equivalent replacement。All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (10)
1. transformation is impacted and is closely become die device without case, it is characterised in that: described one-tenth die device includes:
The body structure that one left sandbox (1) and a right sandbox (2), described left sandbox (1) and right sandbox (2) are leading flank, trailing flank opens wide；The upper side of described left sandbox (1) and right sandbox (2) is equipped with leads sand plate (3)；
One interchangeable match plate (4), match plate is arranged on match plate and moves more on changing device (41), match plate (4) is positioned between left sandbox (1) and right sandbox (2) and keeps perpendicular to the ground, and match plate (4) has the corresponding left surface of trailing flank with left sandbox (1) and right surface corresponding with right sandbox (2) leading flank；The left surface of match plate (4) and right surface are respectively provided with model (5)；
One sandbox moves device (11), for left sandbox (1) and right sandbox (2) both or one of both are relatively moved to described match plate (4), so that this left sandbox (1) and right sandbox (2) can clamp and discharge the match plate (4) being held in therebetween；
One left and right horizontal pressurizing unit, left and right horizontal pressurizing unit includes left lateral extrusion device (61), right lateral extrusion device (62)；Left lateral extrusion device (61) can insert left sandbox (1) when match plate (4) are held between left sandbox (1) and right sandbox (2) from the leading flank of left sandbox (1)；Right lateral extrusion device (62) can insert right sandbox (2) when match plate (4) are held between left sandbox (1) and right sandbox (2) from the trailing flank of right sandbox (2)；
One penetrates sand device (7), penetrate sand device to be arranged on and penetrate sand and move on device (72), when match plate (4) is held between left sandbox (1) and right sandbox (2) and left lateral extrusion device (61) inserts left sandbox (1) and right lateral extrusion device (62) inserts right sandbox (2), penetrate sand device (7) penetrate Sha Kou (71) with lead sand plate (3) and be connected and by leading sand plate (3) sandbox to the left (1), right sandbox (2) sprays into molding sand；Lead sand plate (3) be provided with hole and be provided with the closing device controlling described hole；
Described left lateral extrusion device (61), right lateral extrusion device (62) structure are identical, all include hydraulic jack (601), stripper plate (602), stripper plate (602) is arranged on the end of hydraulic jack output shaft (603), the leading flank of the salable left sandbox (1) of stripper plate of left lateral extrusion device (61) horizontal movement in left sandbox (1), the trailing flank of the salable right sandbox (2) of stripper plate of right lateral extrusion device (62) horizontal movement in right sandbox (2)；Being provided with dividing plate (604) in described stripper plate, dividing plate (604) is perpendicular to the bottom surface of stripper plate (602)；The medial surface of dividing plate (604) and lateral surface level are to being provided with some transverse slats (608), and the medial surface of dividing plate (604) and outside vertical are to putting down to being provided with some risers (609), and transverse slat and riser intersect and form some grids (611)；The centre of form of the upper each grid (611) of dividing plate (604) is provided with hole (610), and hole (610) interior level is to being provided with connecting rod (606)；The pressing plate (607) adapted with its shape it is provided with in the grid (611) of dividing plate (604) lateral surface, it is provided with the push pedal (605) adapted with its shape in the grid of dividing plate medial surface, is connected by connecting rod (606) between pressing plate (607) with push pedal (605)；Being provided with cavity (612) between the leading flank of described dividing plate (604) and stripper plate (602), stripper plate is provided with mean for pressure device on (602)；The transverse slat of the side that the thickness of described pressing plate (607) is corresponding with dividing plate (604) and the thickness of riser are identical。
2. transformation as claimed in claim 1 is impacted and is closely become die device without case, it is characterised in that: described push pedal (605), pressing plate (607), dividing plate (604) are provided with some holes, and the diameter in described hole is less than the particle diameter of molding sand。
3. transformation as claimed in claim 1 is impacted and is closely become die device without case, it is characterised in that: described in lead sand plate (3) in rectangular-shaped, lead sand plate (3) and be provided with some through square holes (91) being perpendicular to its bottom surface；Described closing device includes one group of horizontal sealing plate (92), one group of vertical sealing plate (93), and horizontal sealing plate (92) and vertical sealing plate (93) are mutually perpendicular to, and vertical sealing plate (93), horizontal sealing plate (92) are arranged on the level leading sand plate on cross section；Vertical sealing plate (93), horizontal sealing plate (92) all include some rectangle battens being parallel to each other, and the end of batten is provided with and controls the controller (94) that batten moves along its long side direction。
4. the transformation as described in claim as any one in Claim 1-3 is impacted and is closely become die device without case, it is characterised in that: described confession pressure device includes high-pressure air source (81), vacuum pump (82)；High-pressure air source (81) is connected with the cavity (612) of stripper plate (602) by pipeline (83), and pipeline (83) is provided with controller (84)；Vacuum pump (82) is connected with the cavity (612) of stripper plate (602) by pipeline (86), and pipeline (86) is provided with controller (85)；When for pressure device to injection pressure-air in the cavity (612) of stripper plate (602) or evacuation, push pedal (605) and pressing plate (607) can horizontal movements in grid (611)。
5. the transformation as described in claim as any one in Claim 1-3 is impacted and is closely become die device without case, it is characterised in that: described confession pressure device includes high-pressure air source (81)；High-pressure air source (81) is connected with the cavity (612) of stripper plate (602) by pipeline (83), and pipeline (83) is provided with controller (84)；It is provided with some extension springs (613) between leading flank and each push pedal (605) of described stripper plate (602), before not injecting gases at high pressure to the cavity (612) of stripper plate (602), under the effect of extension spring (613), the trailing flank of the leading flank of pressing plate (607) and dividing plate (604) is in close contact；Stripper plate (602) is provided with the venting valve (614) that can release cavity (612) gas。
6. transformation as claimed in claim 5 is impacted and is closely become die device without case, it is characterised in that: the tightness of described extension spring (613) is different, and distance its extension spring more remote at the center of distance model (5) is more loose。
7. transformation as claimed in claim 5 is impacted and is closely become die device without case, it is characterised in that: the longitudinal section of match plate (4) is trapezoidal, the angle 83-86 degree between trapezoidal the right and left and its base。
8. the transformation that a kind adopts described in claim 4 impacts the method closely becoming die device to carry out moulding without case, it is characterised in that: comprise the steps:
Step 1: lay model on match plate (4)；Move more changing device (41) by match plate moved between left sandbox (1) and right sandbox (2) by match plate (4) and keep perpendicular to the ground；Move device (11) by sandbox and make left sandbox (1) and right sandbox (2) both or one of both relative movement, clamping match plate (4), left lateral extrusion device (61) is inserted left sandbox (1) from the leading flank of left sandbox (1), right lateral extrusion device (62) inserts right sandbox (2) from the trailing flank of right sandbox (2), forms the die cavity of sand mold molding；
Step 2: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be connected of sand device (7), open and lead sand plate (3), by leading sand plate (3) sandbox to the left (1), right sandbox (2) sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and separate of sand device (7), close and lead sand plate (3)；
Step 3: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance；
Step 4: open high-pressure air source (81), injects the pressure-air of certain pressure, move toward one another one segment distance in grid (611) of the pressing plate (607) in two bulkhead sides in the cavity (612) of stripper plate (602)；
Step 5: hydraulic jack (601) is pumped, and drives two stripper plates (602) to be located remotely from each other a segment distance；
Step 6: open vacuum pump (82), extracts the air in the cavity (612) of stripper plate (602), makes the pressing plate in two bulkhead sides (607) be located remotely from each other and be close to the side of dividing plate in grid (611)；
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be connected of sand device (7), open and lead sand plate (3), by leading sand plate (3) sandbox to the left (1), right sandbox (2) sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and separate of sand device (7), close and lead sand plate (3)；
Step 8: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance, completes the making to sand mo(u)ld；
Step 9: hydraulic jack (601), left sandbox (1), right sandbox (2) reset, takes out sand mo(u)ld, changes match plate (4) and enters the making of next sand mo(u)ld, so repeats。
9. the transformation that a kind adopts described in claim 5 impacts the method closely becoming die device to carry out moulding without case, it is characterised in that: comprise the steps:
Step 1: lay model on match plate (4)；Move more changing device (41) by match plate moved between left sandbox (1) and right sandbox (2) by match plate (4) and keep perpendicular to the ground；Move device (11) by sandbox and make left sandbox (1) and right sandbox (2) both or one of both relative movement, clamping match plate (4), left lateral extrusion device (61) is inserted left sandbox (1) from the leading flank of left sandbox (1), right lateral extrusion device (62) inserts right sandbox (2) from the trailing flank of right sandbox (2), forms the die cavity of sand mold molding；
Step 2: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance；
Step 3: open high-pressure air source (81), injects the pressure-air of certain pressure, move toward one another one segment distance in grid (611) of the pressing plate (607) in two bulkhead sides in the cavity (612) of stripper plate (602)；Keep the pressure of cavity (612)；Owing to its extension spring more remote of the height at distance model center is more loose, the pressing plate (607) that now height at distance model center is more remote is the closer to match plate (4)；
Step 4: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be connected of sand device (7), open and lead sand plate (3), by leading sand plate (3) sandbox to the left (1), right sandbox (2) sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and separate of sand device (7), close and lead sand plate (3)；
Step 5: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance；
Step 6: hydraulic jack (601) is pumped, and drives two stripper plates (602) to be located remotely from each other a segment distance；Closing high-pressure air source (81), open venting valve (614), under the effect of extension spring, the pressing plate in two bulkhead sides (607) is located remotely from each other and is close to the side of dividing plate in grid (611)；
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be connected of sand device (7), open and lead sand plate (3), by leading sand plate (3) sandbox to the left (1), right sandbox (2) sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and separate of sand device (7), close and lead sand plate (3)；
Step 8: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance, completes the making to sand mo(u)ld；
Step 9: hydraulic jack (601), left sandbox (1), right sandbox (2) reset, takes out sand mo(u)ld, changes match plate 4 and enters the making of next sand mo(u)ld, so repeats。
10. the transformation that a kind adopts described in claim 6 impacts the method closely becoming die device to carry out moulding without case, it is characterised in that: comprise the steps:
Step 1: lay model on match plate (4)；Move more changing device (41) by match plate moved between left sandbox (1) and right sandbox (2) by match plate (4) and keep perpendicular to the ground；Move device (11) by sandbox and make left sandbox (1) and right sandbox (2) both or one of both relative movement, clamping match plate (4), left lateral extrusion device (61) is inserted left sandbox (1) from the leading flank of left sandbox (1), right lateral extrusion device (62) inserts right sandbox (2) from the trailing flank of right sandbox (2), forms the die cavity of sand mold molding；
Step 2: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance；
Step 3: open high-pressure air source (81), injects the pressure-air of certain pressure, move toward one another one segment distance in grid (611) of the pressing plate (607) in two bulkhead sides in the cavity (612) of stripper plate (602)；Keep the pressure of cavity (612)；Owing to its extension spring more remote of the height at distance model center is more loose, the pressing plate (607) that now height at distance model center is more remote is the closer to match plate (4)；
Step 4: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be connected of sand device (7), open and lead sand plate (3), by leading sand plate (3) sandbox to the left (1), right sandbox (2) sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and separate of sand device (7), close and lead sand plate (3)；
Step 5: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance；
Step 6: hydraulic jack (601) is pumped, and drives two stripper plates (602) to be located remotely from each other a segment distance；
Step 7: moving device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be connected of sand device (7), open and lead sand plate (3), by leading sand plate (3) sandbox to the left (1), right sandbox (2) sprays into molding sand；Move device and move by penetrating sand and penetrate sand device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and separate of sand device (7), close and lead sand plate (3)；
Step 8: close high-pressure air source (81), opens venting valve (614), and under the effect of extension spring, the pressing plate in two bulkhead sides (607) is located remotely from each other and is close to the side of dividing plate in grid (611)；
Step 9: hydraulic jack (601) fuel feeding, promotes two stripper plates (602) move toward one another one segment distance, completes the making to sand mo(u)ld；
Step 10: hydraulic jack (601), left sandbox (1), right sandbox (2) reset, takes out sand mo(u)ld, changes match plate (4) and enters the making of next sand mo(u)ld, so repeats。
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| CN201410579309.0A CN104439106B (en) | 2014-10-24 | 2014-10-24 | Transformation is impacted and is closely become die device and the method adopting this device Cheng Mo without case |
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| CN106041000A (en) * | 2016-07-29 | 2016-10-26 | 苏州誉衡兴自动化科技有限公司 | Automatic forming device |
| CN109865797A (en) * | 2019-03-14 | 2019-06-11 | 刘云峰 | A kind of magnetic molding process machine |
| CN111069541B (en) * | 2020-01-19 | 2024-08-20 | 艾堡（泊头）自动化设备有限公司 | High-safety molding line system |
| CN118682083B (en) * | 2024-06-06 | 2024-12-17 | 常州巧捷铸造设备有限公司 | Multi-position variable cavity extrusion plate device with exhaust function |
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| CN101862814A (en) * | 2009-10-28 | 2010-10-20 | 新东工业株式会社 | While process for making molds and slip flask molding device |
| CN203409202U (en) * | 2013-08-30 | 2014-01-29 | 宜昌奥力铸造有限责任公司 | Double-head horizontal parting core shooter for hot-core box |
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| JPS56141940A (en) * | 1980-04-04 | 1981-11-05 | Naniwa Seisakusho:Kk | Blow nozzle for molding machine of cold box type mold |
| JPS59166351A (en) * | 1983-03-14 | 1984-09-19 | Mitsubishi Heavy Ind Ltd | Spray molding device |
| BRPI0612037B1 (en) * | 2005-06-13 | 2015-08-04 | Sintokogio Ltd | Molding apparatus without molding box for upper and lower mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101862814A (en) * | 2009-10-28 | 2010-10-20 | 新东工业株式会社 | While process for making molds and slip flask molding device |
| CN203409202U (en) * | 2013-08-30 | 2014-01-29 | 宜昌奥力铸造有限责任公司 | Double-head horizontal parting core shooter for hot-core box |
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