CN104439106A - Transformation impact case-free tightly molding device and method for molding by using same - Google Patents
Transformation impact case-free tightly molding device and method for molding by using same Download PDFInfo
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- CN104439106A CN104439106A CN201410579309.0A CN201410579309A CN104439106A CN 104439106 A CN104439106 A CN 104439106A CN 201410579309 A CN201410579309 A CN 201410579309A CN 104439106 A CN104439106 A CN 104439106A
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- 230000009466 transformation Effects 0.000 title claims abstract description 44
- 238000000465 moulding Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000004576 sand Substances 0.000 claims abstract description 393
- 238000001125 extrusion Methods 0.000 claims abstract description 54
- 230000000694 effects Effects 0.000 claims abstract description 11
- 244000035744 Hura crepitans Species 0.000 claims description 256
- 230000000149 penetrating effect Effects 0.000 claims description 87
- 238000003825 pressing Methods 0.000 claims description 60
- 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
- 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
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 22
- 238000005266 casting Methods 0.000 description 16
- 238000012856 packing Methods 0.000 description 13
- 238000007596 consolidation process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction 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
- 238000003672 processing method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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 a transformation impact case-free tightly molding device and a method for molding by using the transformation impact case-free tightly molding device. The transformation impact case-free tightly molding device comprises a left sand case and a right sand case, a replaceable two-sided plate, a sand case moving device, and a left-right horizontal extrusion device; when the device is used for modeling, the compactness difference in the sand mold cast process is effectively improved by adding sand twice, compressing and exhausting twice, the modelling is precise, the impact is tight, the solid sand effect is good, the energy consumption is low, the efficiency is high, and numerous disadvantages caused by simple air-impacting modelling can be overcome.
Description
Technical field
The present invention relates to casting technology field, be specifically related to transformation impact and closely become die device without case and adopt the method for this device Cheng Mo.
Background technology
In casting and molding process, Conventional processing methods has continued more than one thousand years, now also still in application.But along with the fast development of foundary industry, the demand being adapted to mechanization production that casting technique under large industrial age production needs, from the moulding of jarring formula, microseism squeeze mo(u)lding, the air-impact molding to larger foundry goods and the removable-flask moulding compared with light casting, all need a kind of reasonably cast type process.Especially in removable-flask moulding technique, it is very fast that horizontal parting technique and vertical formative technology all develop, for not being generally that very complicated side part can meet substantially, but very strict foundry goods is required for the comparatively complicated physical dimension of external form in other words, just there is a lot of problems, as penetrated sand inefficiency, penetrate that sand is uneven, casting mold surface of internal cavity sand hardness uniformity is poor, difference of hardness is large, foundry goods is difficult to ensure presentation quality in casting solidification process, and casting accuracy and hot investment casting have sizable distance.
Summary of the invention
The object of the invention is to, for the deficiencies in the prior art, provide transformation impact closely become die device without case and adopt the method for this device Cheng Mo.
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 comprises:
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 keep perpendicular to the ground, and match plate has the left surface corresponding to the trailing flank of left sandbox and the right surface corresponding with right sandbox leading flank.The left surface of match plate and right surface are respectively provided with model.
One sandbox mobile device, for by left sandbox and right sandbox or both one of relatively move to described match plate, can clamp to make this left sandbox and right sandbox and discharge the match plate be held in therebetween.
One left and right horizontal pressurizing unit, left and right horizontal pressurizing unit comprises left lateral extrusion device, right lateral extrusion device.Left lateral extrusion device can insert when match plate is held between left sandbox and right sandbox and insert left sandbox from the leading flank of left sandbox.Right lateral extrusion device can insert when match plate is held between left sandbox and right sandbox and insert right sandbox from the trailing flank of right sandbox.
One penetrates sand device, penetrate sand device to be arranged on and to penetrate on sand mobile device, when match plate to be held between left sandbox and right sandbox and left lateral extrusion device insert left sandbox and right lateral extrusion device inserts right sandbox time, penetrate penetrating sand mouth and leading sand plate and to be connected and sandbox, right sandbox spray into molding sand by leading sand plate of sand device left.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, 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.Be 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 are to putting down to being provided with some risers, and transverse slat and riser mutually intersect and form some grids.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.Be provided with the pressing plate adapted with its shape in the grid of dividing plate lateral surface, be provided with the push pedal adapted with its shape in the grid of dividing plate medial surface, be connected by connecting rod between pressing plate with push pedal.Be provided with cavity between described dividing plate and the leading flank of stripper plate, stripper plate is provided with for pressure device.The transverse slat of the side that the thickness of described pressing plate is corresponding with dividing plate is identical with the thickness of riser.
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 perpendicular to its bottom surface.Described closing device comprises one group of horizontal sealing plate, indulges sealing plate for one group.Horizontal sealing plate is mutually vertical with vertical sealing plate, vertical sealing plate, horizontal sealing plate be arranged on lead sand plate level on cross section.Vertical sealing plate, horizontal sealing plate include some rectangle battens be parallel to each other, and the end of batten is provided with the controller controlling batten and move 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.
Adopting above-mentioned transformation to impact closely becomes die device to carry out the method for moulding without case, comprises the steps:
Step 1: lay model on match plate.Move more changing device by match plate match plate to be moved between left sandbox and right sandbox and to keep perpendicular to the ground.By the left sandbox of sandbox mobile device and right sandbox or both one of relative movement, clamping match plate, left lateral extrusion device is inserted left sandbox from the leading flank of 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 and penetrate sand device by penetrating sand mobile 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, right sandbox spray into molding sand left.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated 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 in order to pre-consolidation, by overall for the sand in die cavity to a certain extent closely knit.Pretension is real-time, by the air in push pedal, pressing plate, dividing plate eliminating die cavity.
Step 4: open 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 at grid move toward one another one segment distance.In step 4, the sand in die cavity is overall to a certain extent closely knit, and at this moment, the sand of the positive front side of model and the sand packing difference of other parts not quite, only need fine setting can realize less closely knit difference.Inject the pressure-air of certain pressure, under identical air pressure, it is more that the stripper plate 602 on the sand surface that packing is low moves to match plate direction, and it is a little less that the stripper plate 602 on the sand surface that packing is high moves to match plate direction.
Step 5: hydraulic jack is pumped, and drives two stripper plates mutually away from a segment distance.
Step 6: open vavuum pump, extracts the air in the cavity of stripper plate, make the pressing plate in two bulkhead sides grid mutually away from and be close to the side of dividing plate.Because bleed, so the air got rid of in die cavity is effective, gained sand mold is closely knit effective.Get rid of the air in cavity, be in order to 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.Like this, when suppressing sand mold, mould surface is smooth, thus avoids mould surface out-of-flatness and need to root out a part and realize smooth trouble.
Step 7.: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, sandbox, right sandbox spray into molding sand left by leading sand plate.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated 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 owing to adopting twice, and it is little to add sand amount for the second time, twice consolidation, solve the loose layer of sand in irregular shape that sand mold back in prior art always also exists 30-50MM, this part molding sand must adopt special technique to remove after moulding, add workload, cause the problem of unnecessary waste.
Step 9: hydraulic jack, left sandbox, right sandbox) reset, take out sand mo(u)ld, change the making that match plate enters next sand mo(u)ld, so repeat.
Further, the described pressure device that supplies comprises high-pressure air source, vavuum pump.High-pressure air source is connected with the cavity of stripper plate by pipeline, and pipeline is provided with controller.Vavuum pump is connected with the cavity of stripper plate by pipeline, and pipeline is provided with controller.When injecting pressure-air for pressure device or vacuumize in the cavity of stripper plate, push pedal and pressing plate can horizontal movements in grid.Adopting this transformation to impact closely becomes die device to carry out the method for moulding without case, comprises the steps:
Step 1: lay model on match plate.Move more changing device by match plate match plate to be moved between left sandbox and right sandbox and to keep perpendicular to the ground.By the left sandbox of sandbox mobile device and right sandbox or both one of relative movement, clamping match plate, left lateral extrusion device is inserted left sandbox from the leading flank of 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 and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, sandbox, right sandbox spray into molding sand left by leading sand plate.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated 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: open 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 at grid move toward one another one segment distance.
Step 5: hydraulic jack is pumped, and drives two stripper plates mutually away from a segment distance.
Step 6: open vavuum pump, extracts the air in the cavity of stripper plate, make the pressing plate in two bulkhead sides grid mutually away from and be close to the side of dividing plate.
Step 7.: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, sandbox, right sandbox spray into molding sand left by leading sand plate.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated 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 the making that match plate enters 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, the described pressure device that supplies comprises high-pressure air source.High-pressure air source is connected with the cavity of stripper plate by pipeline, and pipeline is provided with controller.Some extension springs are provided with between the leading flank of described stripper plate and each push pedal, before the cavity not to stripper plate injects gases at high pressure, under the effect of extension spring, the leading flank of pressing plate and the trailing flank close contact of dividing plate.Stripper plate is provided with the venting valve can releasing cavity gas.Adopting this transformation to impact closely becomes die device to carry out the method for moulding without case, comprises the steps:
Step 1: lay model on match plate.Move more changing device by match plate match plate to be moved between left sandbox and right sandbox and to keep perpendicular to the ground.By the left sandbox of sandbox mobile device and right sandbox or both one of relative movement, clamping match plate, left lateral extrusion device is inserted left sandbox from the leading flank of 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: open 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 at grid move toward one another one segment distance.Keep the pressure of cavity.Its extension spring far away of height due to distance model center is more loose, and the pressing plate that now height at distance model center is far away is the closer to match plate.
Step 4: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, sandbox, right sandbox spray into molding sand left by leading sand plate.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated 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 mutually away from a segment distance.Close high-pressure air source, open venting valve, the pressing plate under the effect of extension spring in two bulkhead sides grid mutually away from and be close to the side of dividing plate.
Step 7.: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, sandbox, right sandbox spray into molding sand left by leading sand plate.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated 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 the making that match plate 4 enters next sand mo(u)ld, so repeats.
Further, the tightness of described extension spring is different, and distance its extension spring far away at the center of distance model is more loose.Adopting this transformation to impact closely becomes die device to carry out the method for moulding without case, comprises the steps:
Step 1: lay model on match plate.Move more changing device by match plate match plate to be moved between left sandbox and right sandbox and to keep perpendicular to the ground.By the left sandbox of sandbox mobile device and right sandbox or both one of relative movement, clamping match plate, left lateral extrusion device is inserted left sandbox from the leading flank of 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: open 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 at grid move toward one another one segment distance.Keep the pressure of cavity.Its extension spring far away of height due to distance model center is more loose, and the pressing plate that now height at distance model center is far away is the closer to match plate.
Step 4: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand plate, sandbox, right sandbox spray into molding sand left by leading sand plate.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated 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 mutually away from a segment distance.
Step 7.: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be connected of sand device, open and lead sand, sandbox, right sandbox spray into molding sand left by leading sand plate.Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth and leading sand plate and be separated of sand device, close and lead sand plate.
Step 8: close high-pressure air source, opens venting valve, the pressing plate under the effect of extension spring in two bulkhead sides grid mutually away from and be 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 the making that match plate enters next sand mo(u)ld, so repeats.When first time penetrates sand, it is more that the pressing plate far away with model Vertical dimension axis 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 lower.
The invention has the beneficial effects as follows: push pedal, pressing plate, dividing plate are provided with some holes, the diameter in described hole is less than the particle diameter of molding sand.Be provided with the hole of these micro-apertures, when moulding, the air in die cavity can be got rid of, improve packing further.Especially the cavity of pressing plate is being vacuumized, good exhaust effect, effectively improve the accuracy of casting.Have employed first pre-consolidation, carry out secondary stop-off afterwards to a certain extent and the method for second-compressed fine setting by closely knit for the sand entirety in die cavity, regulate packing 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.Like this, when suppressing sand mold, mould surface is smooth, thus avoids mould surface out-of-flatness and need to root out a part and realize smooth trouble.In the different folding situation of vertical sealing plate, horizontal sealing plate, by covering part square hole, the direction realizing penetrating sand is controlled, and 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 motion state closely becoming die device without case.
Fig. 3 is the schematic diagram that transformation shown in Fig. 1 impacts the motion state closely becoming die device without case.
Fig. 4 is the schematic diagram that transformation shown in Fig. 1 impacts the motion state closely becoming die device without case.
Fig. 5 is the schematic diagram that transformation shown in Fig. 1 impacts the motion state closely becoming die device without case.
Fig. 6 is the structural representation of dividing plate.
Fig. 7 is the structural representation of leading sand plate.
Fig. 8 is the schematic diagram of leading under sand plate using state.
Fig. 9 is the schematic diagram of leading under sand plate using state.
Figure 10 is the schematic diagram of leading under sand plate using state.
Figure 11 is the schematic diagram of leading under sand plate using state.
Figure 12 is the schematic diagram of leading under sand plate using state.
Figure 13 is the schematic diagram of leading under sand plate using state.
Figure 14 is the schematic diagram of leading under sand plate using state.
Figure 15 is the schematic diagram of leading under sand plate using state.
Figure 16 is the schematic diagram of leading under sand plate using state.
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 motion state 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 motion state closely becoming die device without case.
Figure 20 is the schematic diagram that transformation shown in Figure 17 impacts the motion state closely becoming die device without case.
Figure 21 is the schematic diagram that transformation shown in Figure 17 impacts the motion state 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 motion state closely becoming die device without case.
Figure 24 is the schematic diagram that transformation shown in Figure 22 impacts the motion state closely becoming die device without case.
Figure 25 is the schematic diagram that transformation shown in Figure 22 impacts the motion state closely becoming die device without case.
Figure 26 is the schematic diagram that transformation shown in Figure 22 impacts the motion state closely becoming die device without case.
Figure 27 is the schematic diagram that transformation shown in Figure 22 impacts the motion state 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 mobile device-72; High-pressure air source-81; Vavuum 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, comprising:
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 keep perpendicular to the ground, and match plate 4 has the left surface corresponding to the trailing flank of left sandbox 1 and the 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 mobile device 11, for by both left sandbox 1 and right sandbox 2 or both one of relatively move to described match plate 4, can clamp to make this left sandbox 1 and right sandbox 2 and discharge the match plate 4 be held in therebetween.
One left and right horizontal pressurizing unit, left and right horizontal pressurizing unit comprises left lateral extrusion device 61, right lateral extrusion device 62; Left lateral extrusion device 61 can insert when match plate 4 is held between left sandbox 1 and right sandbox 2 and insert left sandbox 1 from the leading flank of left sandbox 1; Right lateral extrusion device 62 can insert when match plate 4 is held between left sandbox 1 and right sandbox 2 and insert right sandbox 2 from the trailing flank of right sandbox 2.
One penetrates sand device 7, penetrate sand device to be arranged on and to penetrate on sand mobile device 72, when match plate 4 to be held between left sandbox 1 and right sandbox 3 and left lateral extrusion device 61 insert left sandbox 1 and right lateral extrusion device 62 inserts right sandbox 2 time, penetrate penetrating sand mouth 71 and leading sand plate 3 and to be connected and sandbox 1, right sandbox 2 spray into molding sand by leading sand plate 3 of sand device 7 left; 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, 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; Be 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 mutually 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; Be 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, be provided with the push pedal 605 adapted with its shape, be connected by connecting rod 606 between pressing plate 607 with push pedal 605; Be provided with cavity 612 between described dividing plate 604 and the leading flank of stripper plate 602, stripper plate 602 is provided with for pressure device; The transverse slat of the side that the thickness of described pressing plate 607 is corresponding with dividing plate 604 is identical with the thickness of riser.
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.Be provided with the hole of these micro-apertures, when moulding, the air in die cavity can be got rid of, improve packing further.
The described pressure device that supplies comprises high-pressure air source 81, vavuum 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; Vavuum pump 82 is connected with the cavity 612 of stripper plate 602 by pipeline 86, and pipeline 86 is provided with controller 85; When injecting pressure-air for pressure device or vacuumize in the cavity 612 of stripper plate 602, push pedal 605 and pressing plate 607 can horizontal movements in grid 611.
As shown in Figure 7, described in lead sand plate 3 in rectangular-shaped, lead sand plate 3 and be provided with some through square holes 91 perpendicular to its bottom surface; Described closing device comprises one group of horizontal sealing plate 92, a group and indulges sealing plate 93, and horizontal sealing plate 92 and vertical sealing plate 93 are mutually vertical, indulge sealing plate 93, horizontal sealing plate 92 be arranged on lead sand plate level on cross section; Vertical sealing plate 93, horizontal sealing plate 92 include some rectangle battens be parallel to each other, and the end of batten is provided with the controller 94 controlling batten and move along its long side direction.
As shown in Fig. 1 to Fig. 5, adopt above-mentioned transformation to impact and closely become die device to carry out the method for moulding without case, comprise the steps:
Step 1: lay model on match plate 4; Move more changing device 41 by match plate match plate 4 to be moved between left sandbox 1 and right sandbox 2 and to keep perpendicular to the ground; By both the left sandbox of sandbox mobile device 11 1 and right sandbox 2 or both one of 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 shown in Figure 2, move and penetrate sand device by penetrating sand mobile 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, right sandbox 2 spray into molding sand left; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be separated 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 in order to pre-consolidation, by overall for the sand in die cavity to a certain extent closely knit.Pretension is real-time, is got 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, the pressing plate 607 in two bulkhead sides is at grid 611 move toward one another one segment distance.Because the sand packing of the positive front side of the inherent model of die cavity is high, and remainder packing is low, and the pressing plate 607 in each grid is independently.In step 4, the sand in die cavity is overall to a certain extent closely knit, and at this moment, the sand of the positive front side of model and the sand packing difference of other parts not quite, only need fine setting can realize less closely knit difference.Inject the pressure-air of certain pressure, under identical air pressure, it is more that the stripper plate 602 on the sand surface that packing is low moves to match plate direction, and it is a little less that the stripper plate 602 on the sand surface that packing 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 mutually away from a segment distance, penetrates sand provide space for second time.The amount that second time penetrates sand is less than first time.
Step 6: open vavuum pump 82, extracts the air in the cavity 612 of stripper plate 602, make the pressing plate 607 in two bulkhead sides grid 611 mutually away from and be close to the side of dividing plate.Because bleed, so the air got rid of in die cavity is effective, gained sand mold is closely knit effective.Get rid of the air in cavity 612, be in order to 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.Like this, when suppressing sand mold, mould surface is smooth, thus avoids mould surface out-of-flatness and need to root out a part and realize smooth trouble.
Step 7.: move and penetrate sand device by penetrating sand mobile 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, sandbox 1, right sandbox 2 spray into molding sand left by leading sand plate 3; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be separated of sand device 7, close and lead sand plate 3.
Step 8: as shown in Figure 5, 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.Sand is added owing to adopting twice, and it is little to add sand amount for the second time, twice consolidation, solve the loose layer of sand in irregular shape that sand mold back in prior art always also exists 30-50MM, this part molding sand must adopt special technique to remove after moulding, add workload, cause the problem of unnecessary waste.
Step 9: hydraulic jack 601, left sandbox 1, right sandbox 2 reset, takes out sand mo(u)ld, changes the making that match plate 4 enters next sand mo(u)ld, so repeats.
Fig. 8 to Figure 16 illustrates and leads sand plate 3 in vertical sealing plate, the different folding situation of horizontal sealing plate, leads sand plate 3 cross-sectional view.Wherein dash area represents that square hole is covered.When penetrating sand, by covering part square hole, realize penetrating the direction of sand controlled, it is controlled to penetrate sand amount, improves the casting accuracy to shaped piece.
Embodiment 2.The present embodiment is from the different of embodiment 1: the described pressure device that supplies comprises 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; Some extension springs 613 are provided with between the leading flank of described stripper plate 602 and each push pedal 605, before the cavity 612 not to stripper plate 602 injects gases at high pressure, under the effect of extension spring 613, the leading flank of pressing plate 607 and the trailing flank close contact of dividing plate 604; Stripper plate 602 is provided with the venting valve 614 can releasing cavity 612 gas.
As shown in Figure 17 to 21, adopt above-mentioned transformation to impact the method closely becoming die device to carry out moulding without case and comprise the steps:
Step 1: lay model on match plate 4; Move more changing device 41 by match plate match plate 4 to be moved between left sandbox 1 and right sandbox 2 and to keep perpendicular to the ground; By both the left sandbox of sandbox mobile device 11 1 and right sandbox 2 or both one of 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, the pressing plate 607 in two bulkhead sides is at grid 611 move toward one another one segment distance; Keep the pressure of cavity 612; Its extension spring far away of height due to distance model center is more loose, and the pressing plate 607 that now height at distance model center is far away is the closer to match plate 4.
Step 4: move and penetrate sand device by penetrating sand mobile 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, sandbox 1, right sandbox 2 spray into molding sand left by leading sand plate 3; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be separated 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 mutually away from a segment distance; Close high-pressure air source 81, open venting valve 614, the pressing plate 607 under the effect of extension spring in two bulkhead sides grid 611 mutually away from and be close to the side of dividing plate.
Step 7.: move and penetrate sand device by penetrating sand mobile 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, sandbox 1, right sandbox 2 spray into molding sand left by leading sand plate 3; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be separated 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 the making that match plate 4 enters 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 from the different of embodiment 2: the tightness of described extension spring 613 is different, and distance its extension spring far away at the center of distance model 5 is more loose.
As shown in Figure 22 to Figure 27, adopt above-mentioned transformation to impact and closely become die device to carry out the method for moulding without case, comprise the steps:
Step 1: lay model on match plate 4; Move more changing device 41 by match plate match plate 4 to be moved between left sandbox 1 and right sandbox 2 and to keep perpendicular to the ground; By both the left sandbox of sandbox mobile device 11 1 and right sandbox 2 or both one of 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, the pressing plate 607 in two bulkhead sides is at grid 611 move toward one another one segment distance; Keep the pressure of cavity 612; Its extension spring far away of height due to distance model center is more loose, and the pressing plate 607 that now height at distance model center is far away is the closer to match plate 4.
Step 4: move and penetrate sand device by penetrating sand mobile 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, sandbox 1, right sandbox 2 spray into molding sand left by leading sand plate 3; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be separated 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 mutually away from a segment distance.
Step 7.: move and penetrate sand device by penetrating sand mobile 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, sandbox 1, right sandbox 2 spray into molding sand left by leading sand plate 3; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating sand mouth 71 and leading sand plate 3 and be separated of sand device 7, close and lead sand plate 3.
Step 8: close high-pressure air source 81, opens venting valve 614, the pressing plate 607 under the effect of extension spring in two bulkhead sides grid 611 mutually away from and be 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 the making that match plate 4 enters next sand mo(u)ld, so repeats.
The process distinction of the present embodiment and embodiment 2 is: when first time penetrates sand, it is more that the pressing plate 607 far away with model Vertical dimension axis 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 lower.
Embodiment 4.As shown in figure 28, unique different of the present embodiment and embodiment 3 are: 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, unique different of the present embodiment and embodiment 1 are: 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 is also provided with air flue, and each air flue is connected with high-pressure air source by pipeline.Pipeline is provided with switch.Often make a type, gate stick by Air blowing cleaning once, to extend the service life of gate stick.After compaction pressure requires to select basic, normal, high third gear compacting to terminate according to casting process, penetrate sand device 7 rising and leave sandbox, two stripper plate 602 rollbacks, now gate stick also exits casting mold.Case mobile device 11, match plate move more changing device convolution 90 degree, make sandbox get back to horizontal level and carry out unpacking molding.Also be furnished with electromagnetic shaker 400 during molding, vibrator 400 is located on left sandbox, right sandbox, is shaken improve molding speed by vibrator 400.When unpacking, match plate moves more changing device 41 by match plate and gently deviates from from sandbox reposefully.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.Because gate stick exits sand mold in advance, and gate stick is exiting Air blowing cleaning in process, so when being turned to horizontal level, the loose sand of leading sand plate 3 part after unpacking is cleaned out all, and when mould assembly and drawing, absolutely not loose sand falls into die cavity.After adopting direct type device that sand mold is gently dropped to certain altitude, slowly casting mold is pushed to cast cooling line soon again after adopting push type device first slow and 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, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all 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 characterized in that: described one-tenth die device comprises:
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) to be positioned between left sandbox (1) and right sandbox (2) and to keep perpendicular to the ground, and match plate (4) has and the corresponding left surface of trailing flank of 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 mobile device (11), for one of left sandbox (1) and right sandbox (2) both or both are relatively moved to described match plate (4), can clamp to make this left sandbox (1) and right sandbox (2) and discharge the match plate (4) be held in therebetween;
One left and right horizontal pressurizing unit, left and right horizontal pressurizing unit comprises left lateral extrusion device (61), right lateral extrusion device (62); Left lateral extrusion device (61) can be inserted when match plate (4) are held between left sandbox (1) and right sandbox (2) and be inserted left sandbox (1) from the leading flank of left sandbox (1); Right lateral extrusion device (62) can be inserted when match plate (4) are held between left sandbox (1) and right sandbox (2) and be inserted right sandbox (2) from the trailing flank of right sandbox (2);
One penetrates sand device (7), penetrate sand device to be arranged on and to penetrate on sand mobile device (72), when match plate (4) to be held between left sandbox (1) and right sandbox (3) and left lateral extrusion device (61) insert left sandbox (1) and right lateral extrusion device (62) inserts right sandbox (2) time, penetrate penetrating Sha Kou (71) and leading sand plate (3) and to be connected and sandbox (1), right sandbox (2) spray into molding sand by leading sand plate (3) of sand device (7) left; 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, 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); Be 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 are to putting down to being provided with some risers (609), and transverse slat and riser mutually 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 is provided with in the grid (611) of dividing plate (604) lateral surface, be provided with the push pedal (605) adapted with its shape in the grid of dividing plate medial surface, be connected by connecting rod (606) between pressing plate (607) with push pedal (605); Be provided with cavity (612) between the leading flank of described dividing plate (604) and stripper plate (602), stripper plate (602) is provided with for pressure device; The transverse slat of the side that the thickness of described pressing plate (607) is corresponding with dividing plate (604) is identical with the thickness of riser.
2. transformation as claimed in claim 1 is impacted and is closely become die device without case, it is characterized 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 characterized in that: described in lead sand plate (3) in rectangular-shaped, lead sand plate (3) and be provided with some through square holes (91) perpendicular to its bottom surface; Described closing device comprises one group of horizontal sealing plate (92), indulge sealing plate (93) for one group, horizontal sealing plate (92) is mutually vertical with vertical sealing plate (93), vertical sealing plate (93), horizontal sealing plate (92) be arranged on lead sand plate level on cross section; Vertical sealing plate (93), horizontal sealing plate (92) include some rectangle battens be parallel to each other, and the end of batten is provided with the controller (94) controlling batten and move along its long side direction.
4. impact with the transformation as described in claim arbitrarily as Claim 1-3 and closely become die device without case, it is characterized in that: the described pressure device that supplies comprises high-pressure air source (81), vavuum 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); Vavuum pump (82) is connected with the cavity (612) of stripper plate (602) by pipeline (86), and pipeline (86) is provided with controller (85); When injecting pressure-air or when vacuumizing, push pedal (605) and pressing plate (607) can horizontal movements in grid (611) in the cavity (612) of stripper plate (602) for pressure device.
5. impact with the transformation as described in claim arbitrarily as Claim 1-3 and closely become die device without case, it is characterized in that: the described pressure device that supplies comprises 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); Some extension springs (613) are provided with between the leading flank of described stripper plate (602) and each push pedal (605), before the cavity (612) not to stripper plate (602) injects gases at high pressure, under the effect of extension spring (613), the leading flank of pressing plate (607) and the trailing flank close contact of dividing plate (604); Stripper plate (602) is provided with the venting valve (614) can releasing cavity (612) gas.
6. transformation as claimed in claim 5 is impacted and is closely become die device without case, it is characterized in that: the tightness of described extension spring (613) is different, and distance its extension spring far away 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 characterized 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. adopting transformation according to claim 4 to impact closely becomes die device to carry out a method for moulding without case, it is characterized in that: comprise the steps:
Step 1: lay model on match plate (4); Move more changing device (41) by match plate match plate (4) to be moved between left sandbox (1) and right sandbox (2) and to keep perpendicular to the ground; By the relative movement of one of sandbox mobile device (11) left sandbox (1) and right sandbox (2) both or both, 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: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (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), right sandbox (2) spray into molding sand left; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be separated 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), in the cavity (612) of stripper plate (602), inject the pressure-air of certain pressure, the pressing plate (607) in two bulkhead sides is at grid (611) move toward one another one segment distance;
Step 5: hydraulic jack (601) is pumped, drives two stripper plates (602) mutually away from a segment distance;
Step 6: open vavuum pump (82), extract the air in the cavity (612) of stripper plate (602), make the pressing plate in two bulkhead sides (607) grid (611) mutually away from and be close to the side of dividing plate;
Step 7.: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (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), right sandbox (2) spray into molding sand left; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be separated 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 the making that match plate (4) enters next sand mo(u)ld, so repeats.
9. adopting transformation according to claim 5 to impact closely becomes die device to carry out a method for moulding without case, it is characterized in that: comprise the steps:
Step 1: lay model on match plate (4); Move more changing device (41) by match plate match plate (4) to be moved between left sandbox (1) and right sandbox (2) and to keep perpendicular to the ground; By the relative movement of one of sandbox mobile device (11) left sandbox (1) and right sandbox (2) both or both, 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), in the cavity (612) of stripper plate (602), inject the pressure-air of certain pressure, the pressing plate (607) in two bulkhead sides is at grid (611) move toward one another one segment distance; Keep the pressure of cavity (612); Its extension spring far away of height due to distance model center is more loose, and the pressing plate (607) that now height at distance model center is far away is the closer to match plate (4);
Step 4: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (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), right sandbox (2) spray into molding sand left; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be separated 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, drives two stripper plates (602) mutually away from a segment distance; Close high-pressure air source (81), open venting valve (614), the pressing plate (607) under the effect of extension spring in two bulkhead sides grid (611) mutually away from and be close to the side of dividing plate;
Step 7.: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (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), right sandbox (2) spray into molding sand left; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be separated 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 the making that match plate 4 enters next sand mo(u)ld, so repeats.
10. adopting transformation according to claim 6 to impact closely becomes die device to carry out a method for moulding without case, it is characterized in that: comprise the steps:
Step 1: lay model on match plate (4); Move more changing device (41) by match plate match plate (4) to be moved between left sandbox (1) and right sandbox (2) and to keep perpendicular to the ground; By the relative movement of one of sandbox mobile device (11) left sandbox (1) and right sandbox (2) both or both, 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), in the cavity (612) of stripper plate (602), inject the pressure-air of certain pressure, the pressing plate (607) in two bulkhead sides is at grid (611) move toward one another one segment distance; Keep the pressure of cavity (612); Its extension spring far away of height due to distance model center is more loose, and the pressing plate (607) that now height at distance model center is far away is the closer to match plate (4);
Step 4: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (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), right sandbox (2) spray into molding sand left; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be separated 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, drives two stripper plates (602) mutually away from a segment distance;
Step 7.: move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (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), right sandbox (2) spray into molding sand left; Move and penetrate sand device by penetrating sand mobile device and make to penetrate penetrating Sha Kou (71) and leading sand plate (3) and be separated of sand device (7), close and lead sand plate (3);
Step 8: close high-pressure air source (81), opens venting valve (614), the pressing plate (607) under the effect of extension spring in two bulkhead sides grid (611) mutually away from and be close to the side of dividing plate;
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 the making that match plate (4) enters next sand mo(u)ld, so repeats.
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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 |
| CN111069541A (en) * | 2020-01-19 | 2020-04-28 | 艾堡（泊头）自动化设备有限公司 | High molding line system of security |
| CN118682083A (en) * | 2024-06-06 | 2024-09-24 | 常州巧捷铸造设备有限公司 | A multi-position variable cavity extrusion plate device with exhaust function |
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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 |
| WO2006134770A1 (en) * | 2005-06-13 | 2006-12-21 | Sintokogio, Ltd. | Apparatus for molding molding flask-free upper casting mold and lower casting mold |
| 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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| 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 |
| CN111069541A (en) * | 2020-01-19 | 2020-04-28 | 艾堡（泊头）自动化设备有限公司 | High molding line system of security |
| CN118682083A (en) * | 2024-06-06 | 2024-09-24 | 常州巧捷铸造设备有限公司 | A multi-position variable cavity extrusion plate device with exhaust function |
| 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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