CN105328120A - Transverse-molding and vertical-casting casting molding method for casting - Google Patents
Transverse-molding and vertical-casting casting molding method for casting Download PDFInfo
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- CN105328120A CN105328120A CN201510652688.6A CN201510652688A CN105328120A CN 105328120 A CN105328120 A CN 105328120A CN 201510652688 A CN201510652688 A CN 201510652688A CN 105328120 A CN105328120 A CN 105328120A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
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Abstract
The invention discloses a transverse-molding and vertical-casting casting molding method for a casting and belongs to the field of casting. A mold, a sand box, locating pin mechanisms and a sand box vertical overturning mechanism are included in the transverse-molding and vertical-casting casting molding method. The mold and the sand box are located through the locating pin mechanisms. Sand box clamping lugs are fixed through a bolt. The sand box is overturned through the sand box vertical overturning mechanism so that a sprue and a dead head pouring gate can be perpendicularly upward for casting. By means of the method, the scrap rate can be reduced, meanwhile, stability and consistency of casting mold strength are improved at the same time, the problem that a casting mold receding product is prone to shrinkage and loosening due to low compactness of a casing mold is solved, progressive solidification is easily achieved, feeding from top to bottom in the casting solidification process of the casting is facilitated, the inherent quality of the product is improved, mechanical operation of output shaft shell production is achieved, and production efficiency is improved.
Description
Technical field
The present invention relates to a kind of casting pouring forming method, particularly the horizontal type of a kind of foundry goods is perpendicular waters casting forming method, belongs to casting field.
Background technology
The casting forming method of foundry goods is according to the difference of the purposes, structure, stress point etc. of product, pouring procedure is also different, wherein main casting forming method has: horizontal sculpting method and three somatotype three-cavity moulding modes, output shaft housing is exactly the Typical Representative of this series products, it is all kinds of wind-powered electricity generation, large-scale agricultural equipment mechanical transmission component output shaft carrying housing, support and contain various driving parts, as gear, axle, bearing etc., carrying housing enables them keep normal movement relation and running accuracy.In the prior art, output shaft housing in the fabrication process, what utilize is the cast shaping process of horizontal sculpting method and three somatotype three-cavity moulding modes, below with regard to the horizontal sculpting method that uses in the existing moulding by casting of output shaft housing and three somatotype three-cavity moulding modes, be described with regard to forming method and Problems existing.
The right view that the cross-sectional view that Figure 13 is output shaft shell product, Figure 14 are output shaft shell products, output shaft housing is the round table-like tube-in-tube structure of tapering, periphery is recess circular arc, wherein, 101 is large nose circle, 102 is little nose circle, nose circle protrudes to outer peripheral side, in Flange-shaped Parts, two outer shaft ends are provided with this flange-like structure, fixing for output shaft housing 100, and output shaft housing 100 inside is provided with through hole, multiple ring-type inner ring is provided with, as the support portion of gear, axle or bearing in the middle of through hole.
Figure 15 is horizontal sculpting method sand mold patrix plan structure schematic diagram, Figure 16 is the right TV structure schematic diagram of horizontal sculpting method sand mold patrix, Figure 17 is the plan structure schematic diagram of horizontal sculpting method sand mold counterdie, Figure 18 is the right TV structure schematic diagram of horizontal sculpting method sand mold counterdie, wherein, 301 is cast gate one, 302 is cross gate one, 303 is rising head one, two rising heads 1 are provided with in the sand mold that this mould is formed, 304 is cope match plate one, 305 is mould board one, molten metal liquid from cast gate 1 through cross gate 302, ingate 306 enters in product cavity, moulding by casting.
Figure 19 is the side-looking structural representation of three somatotype three-cavity moulding modes, in this fashion, need to utilize three moulds to form three sandboxes respectively, three sandboxes are respectively top box 1, raising middle flask 605, nowel 1, castings after the superposition of three sandboxes, wherein, 601 be cast gate two, 603 is rising head two, molten metal liquid enters product cavity from cast gate 2 601 through cross gate, ingate, moulding by casting.
In the moulding by casting process of reality, all there is respective shortcoming in these two kinds of moulding by casting modes, its concrete structure and subject matter as follows:
Horizontal moulding mould assembly mode is traditional casting pouring forming method, under level, namely utilize mould form running castings or claim sand mold, mould molding sand mold is utilized again under level, the upper nowel mould assembling of sand mold will be had, from vertical direction cast gate upper metallic solution, after cooling, form foundry goods, in this moulding by casting mode, sprue is consistent with riser passage direction, all perpendicular to the mould assembling faying face of top box and nowel.
Output shaft housing adopts horizontal moulding mould assembly mode, and the shortcoming of horizontal moulding mould assembly mode is:
1, pour into a mould ingate position in the centre position of horizontal moulding mould assembly mode, static pressure is low, need arrange high riser feeding, and such Product Process yield rate is lower, and production cost is high;
2, at the position, top of product, be easy to occur shrinkage porosity defect of contraction cavity, position, top is mainly in the place of two head flanges, and this place is generally the place of boring tapping, and shrinkage porosity defect of contraction cavity causes boring tapping failure or installing hole leakage of oil, and then product rejection.
Output shaft housing three somatotype three-cavity moulding mode is on the basis of above-mentioned horizontal moulding mould assembly method, increase a sandbox again as mid-part, during cast, the two ends of mid-part respectively and be superimposed between upper lower box and pour into a mould, the precision that three somatotype three casees pouring types need making three moulds, three sand molds easily ensure foundry goods, and can reduced proper motion technique.
The shortcoming that three somatotype three-cavity moulding modes exist is:
1, adopt the method due to three moulding of three somatotypes, cannot realize do mechanization operation, production efficiency is low;
2, another shortcoming that artificial model is produced is that the casting mold degree of packing is low and be difficult to stable and consistent, and so not only cast product surface smoothness is low, and makes a concession due to the low casting mold that causes of the casting mold degree of packing, and shrinkage porosite rarefaction defect easily appears in product.
The common feature of above-mentioned two kinds of manufactures is, sprue with and mutually vertical between riser passage with sandbox mould assembling face, easily cause the shrinkage cavity and porosity defect of product end surface, increase the processing scrappage in end face silk hole etc.
Due in pouring forming technology in above-mentioned two, all there is respective shortcoming, how to prevent shrinkage cavity shrinkage porosity problem, improve product percent of pass, improve mould strength and stability, uniformity, the fineness of product appearance, the problems realizing must solving in mechanization production, on the basis of long-term production practices, have developed and ingate is set from flange side, shrinkage cavity shrinkage porosity problem can be avoided, improve static pressure, the perpendicular method of watering of horizontal type is very effective to addressing these problems, but, there is sand mold gravity large, be not easy to erect upset, moving sometimes due to sand mold, sandbox can be caused to damage the phenomenon such as sand mold in case, usually do over again, along with constantly bringing forth new ideas of foundry engieering, casting method is also gradually to automation, the future development of large-scale production, therefore, traditional handwork method is substituted gradually, be updated, how do mechanization operation can either be met, the defect in above-mentioned two kinds of casting techniques can be overcome again, it is Problems existing in manufacture method.
Summary of the invention
Low for fineness in horizontal moulding mould assembly mode and three somatotypes, three sculpting methods, product yield is lower, production cost price height two flange portion shrinkage porosity defect of contraction cavity causes boring tapping failure or installing hole leakage of oil, and then product rejection, the poor stability of product, and be not easy to realize the problems such as do mechanization operation, under level, sand mold is not easy problems such as erecting, the invention provides that the horizontal type of a kind of foundry goods is perpendicular waters casting forming method, its objective is to reduce product casting flaw, improve the castability of product, improve the compactness of product surface fineness and product, solve the upset difficult problem of sandbox, reduce costs, realize do mechanization operation.
Technical scheme of the present invention is: the horizontal type of a kind of foundry goods is perpendicular waters casting forming method, comprise be provided with circle or oval dowel mechanism and locating hole mould, two relative side is provided with folder ear, other two opposite faces are provided with case ear sandbox, sand box ear relevant position is provided with circle or oval locating hole or dowel mechanism, sprue on sandbox or riser passage parallel with mould assembling faying face, sandbox can be set and the turning device that sandbox can be erected, described horizontal type is perpendicular to be watered casting forming method and comprises the steps:
(1) in the top box and nowel of sandbox, molding sand is loaded, utilize upper die and lower die compressing sand mold in sandbox respectively, time shaping, the circle that the circle that on mould shaping plate, the left and right sides is arranged respectively or oval dowel mechanism or locating hole and sand box ear set or oval locating hole or dowel mechanism cooperatively interact and locate;
(2) core is set in sand mold, then utilizes core print to fix core;
(3) stationary positioned pin mechanism in the relative direction of top box or nowel case ear, the top box upset being formed with sand mold is faced nowel, utilize alignment pin fixing on the case ear of sandbox side to insert in the locating hole of other side sand box ear to position, and top box and nowel are carried out mould assembling, utilize bolt by fixing between top box and lower clamp ear, unload dowel mechanism, utilize long-range alignment pin to replace dowel mechanism;
(4) sandbox fixed is arranged on turning device, manual or electronic or hydraulic means is utilized to drive horizontally disposed setting turning device, make its half-twist, setting turning device and sandbox can erect, the sandbox side, opposite of the Horizontal supporting base plate after setting arranges the baffle relative with rear support base plate of standing and fixes, and protects respectively to the relative two sides of sandbox, after erectting upset, cast gate and rising head vertically upward, cast gate arrange pouring basin;
(5) from the metal liquid of pouring basin pouring molten, sand mold is cooled;
(6) remove sandbox, core and core print, excise the cured portion in sprue and riser passage;
(7) cleaning polishing is carried out to molding sand bonding on foundry goods and burr etc.,
Further, described casting forming method can be used for hand dropping, also can be used for automatic production line,
Further, described turning device side is " L " type structure, before upset; " L " type is shape attitude of droping to the ground; after upset be " L " type structure, " L " and type structure right-angle side supporting leg on be provided with hinge member, the supporting leg height on hinge member and limit, place; respectively with " L " to overturn other supporting leg height of front and back equal for type structure turning device
Further, the circle that described mould or sandbox are arranged or oval locating hole periphery are provided with guide, slide and are provided with the pyramidal structure locating slide sleeve mated with guide mouth in the circle that described mould or sandbox are arranged or oval dowel mechanism periphery, the locating slide sleeve of alignment pin periphery is equipped with retainer spring near stiff end side, and retainer spring supports sliding sleeve and makes it to be positioned at the most advanced and sophisticated position of alignment pin.
The good effect that the present invention has is: by being provided with the locating hole of guide or the alignment pin with taper sliding sleeve on mould and sand mold, can make between mould and sandbox, accurately location is carried out between top box and nowel, the precision of sand mold and product can be ensured, the shift value of product can be reduced, ensure slickness and the fineness of product surface, by sprue and riser passage direction are arranged to the direction being parallel to mould assembling faying face, product and ingate connecting portion can be made to avoid end face of flange, the density of product can be improved, improve the quality of product, by arranging folder ear on sandbox, upper drag box can be fixed together, be conducive to sandbox upset, sandbox upset is carried out by utilizing turning device, then pour into a mould under upright condition, cast hydrostatic head can be made to improve about 150mm, solve position, product top and easily occur shrinkage porosity defect of contraction cavity, do not need large feeding head simultaneously, Product Process yield rate improves 10-15%, improve finished product rate 6-8%, significantly reducing production cost carrying on high-quality basis realizes pouring into a mould vertically downward, realize horizontal type and erect pouring technique, by utilizing this method, rear operation can be reduced and add the scrappage that man-hour, product caused because of bubble pore etc., improve mould strength and stability simultaneously, uniformity, solve and cause casting mold yielding product easily to occur that the problem of shrinkage porosite rarefaction defect is easy to realize consecutive solidification because the casting mold degree of packing is low, be conducive in casting pouring process of setting from the upper and feeding of elder generation, significantly improve the inherent quality of product, achieve the operation of output shaft housing production mechanization, improve production efficiency.
Accompanying drawing explanation
Top view after Fig. 1 patrix and top box combine.
Side view after Fig. 2 patrix and top box combine.
Top view after Fig. 3 counterdie and nowel combine.
Right view after Fig. 4 counterdie and nowel combine.
The cross-sectional view of Fig. 5 locating hole guide.
The side structure schematic diagram of Fig. 6 dowel mechanism.
Side schematic view after Fig. 7 top box and nowel mould assembling.
Generalized section after Fig. 8 top box and nowel mould assembling.
Turning device side structure schematic diagram erect by Fig. 9 sandbox.
After Figure 10 mould assembling, sandbox is arranged on the horizontal generalized section erect on turning device.
After Figure 11 mould assembling, sandbox is arranged on the vertical generalized section erect on turning device.
The vertical side schematic view of sandbox after Figure 12 mould assembling.
The cross-sectional view of Figure 13 output shaft shell product.
The right view of Figure 14 output shaft shell product.
The plan structure schematic diagram of Figure 15 horizontal sculpting method sand mold patrix.
The right TV structure schematic diagram of Figure 16 horizontal sculpting method sand mold patrix.
The plan structure schematic diagram of Figure 17 horizontal sculpting method sand mold counterdie.
The right TV structure schematic diagram of Figure 18 horizontal sculpting method sand mold counterdie.
The side-looking structural representation of Figure 19 tri-somatotype three-cavity moulding mode.
Label declaration: 100: output shaft housing, 101: large nose circle, 102: little nose circle, 301: cast gate one, 302: cross gate one, 303: rising head one, 304: cope match plate one, 305: mould board one, 401: guide, 402: sliding sleeve, 403: retainer spring, 404: alignment pin, 306: ingate one, 601: cast gate two, 603: rising head two, 604: top box one, 605: raising middle flask, 606: nowel one, 701: cast gate, 702: cross gate, 703: rising head, 704: cope match plate, 707: folder ear, 708: sprue, 709: riser passage, 710: large nose circle core print protuberance, 711: little nose circle core print protuberance, 712: top box, 714: circular dowel mechanism, 715: oval dowel mechanism, 716: nowel, 717: promote ear, 718: long-range alignment pin, 719: case ear, 801: core, 802: core print, 901: bolt, 902: hinge member, 903: platform, 904: hinged support leg, 905: Horizontal supporting leg, 906: horizontal bearing plate, 907: movable protecting plate, 908: stiffener, 909: vertical bearing plate, 910: vertical support leg, 1004: mould board, 1005: pouring basin.
Detailed description of the invention
Be specifically described with regard to technical scheme of the present invention referring to Fig. 1-Figure 19.Wherein, Figure 13-Figure 19 has carried out brief description in the introduction, on this basis, is described in detail further to detailed technology scheme of the present invention.
Casting forming method in the present invention is the representative products using output shaft shell product as moulding by casting, specific embodiment of the invention method is illustrated with carrying out, the mould made according to product structure and shape and sand mold do not form any restriction to the present invention, output shaft housing is a kind of product in countless items, is described in order to specific implementation method when this horizontal type being watered to product cast.
To be that the horizontal type of a kind of foundry goods is perpendicular water casting forming method to technical scheme of the present invention, before explanation specific embodiment of the invention method, first the mould of the mainstream product used in the present invention, detent mechanism, the fixed structure of sandbox and the setting turning device of sand mold are described, these structures described and device erect to water have certain guaranteeing role to completing the horizontal type of medium casting of the present invention, subsequently, just concrete grammar of the present invention is described.
Wherein Fig. 1 is the top view after patrix and top box combine, Fig. 2 is the side view after patrix and top box combine, Fig. 3 is the top view after counterdie and nowel combine, Fig. 4 is the right view after counterdie and nowel combine, the mould forming sand mold in the present invention comprises upper die and lower die, upper die and lower die template is respectively arranged with the top and the bottom output shaft housing cut out by a cross section, cross-section parallel is in horizontal output shaft housing two ends circle center line connecting, cut the two sections of output shaft housing and be respectively mould plate 704 or counterdie template 1004 surface is identical faces or parallel surface, output shaft casing peripheral is recessed, it is Flange-shaped Parts that both ends exceed perimeter body portion, be specially large nose circle 101 and little nose circle 102, with mould gate sprue 708 direction that cast gate 701 is communicated with and parallel with output shaft housing two ends circle center line connecting with riser passage 709 direction that rising head 703 is communicated with, 702 is cross gates.
The two ends of the large nose circle of described upper die and lower die 101 and little nose circle 102 are provided with large nose circle core print protuberance 710 and little nose circle core print protuberance 711, these two parts mainly in order to arrange fixing core 801 core print 802 and arrange.
Be more than describe for the concrete structure of output shaft housing mould, utilize in this method, according to the difference of product, the structure of mould is different.
Fig. 5 is the cross-sectional view of locating hole guide, and Fig. 6 is the side structure schematic diagram of dowel mechanism.On the template of upper mould and counterdie, circle or oval dowel mechanism or locating hole are set, the top box of sandbox and the case ear 719 of nowel are provided with circle or oval locating hole or dowel mechanism, in the present embodiment, the cope match plate 712 of mould and mould board 716 surface two edge are vertically installed with circular dowel mechanism 714 and oval dowel mechanism 715 respectively, the both sides case ear 719 of the top box 712 both sides case ear 719 corresponding with upper mould and counterdie and counterdie and the corresponding nowel 716 of counterdie is respectively arranged with circular locating openings and oval locating hole.
Circular locating openings on mould or sandbox and oval locating hole are provided with guide 401, slide and are provided with the pyramidal structure locating slide sleeve 402 mated with guide mouth in the circle that mould or sandbox are arranged or oval alignment pin 404 periphery, the locating slide sleeve 402 that alignment pin 404 periphery is arranged is equipped with retainer spring 403 near alignment pin 404 stiff end side, and retainer spring 403 supports locating slide sleeve 402 and makes it to be positioned at the most advanced and sophisticated position of alignment pin 404.
Fig. 7 is side schematic view after top box and nowel mould assembling, Fig. 8 is top box and generalized section after nowel mould assembling, in the present embodiment, guide 401 is respectively arranged with in the circle that sandbox top box 712 and nowel 716 both sides case ear 719 are arranged and oval locating hole, on relative two sandbox limits of the top box 712 parallel with case ear 719 and nowel 716, also be provided with a pair lifting ear 717, promote on ear 717 and be provided with through hole equally, promote through hole on ear 717 with the locating hole center that case ear 719 is arranged on identical vertical line.
The other two opposite face both sides of top box 712 and nowel 716 are provided with on folder ear 707, folder ear 707 and are provided with screw, and the top box after mould assembling and nowel 716 can utilize bolt 901 to fix.
According to the handling characteristics of product, utilize in above-mentioned horizontal moulding mould assembly mode and three somatotypes, three sculpting methods that fineness is low, product yield is lower, production cost price is high, two flange portion shrinkage porosity defect of contraction cavity can cause boring tapping failure or installing hole leakage of oil, and then product rejection, the poor stability of finished product and be not easy to realize the problems such as do mechanization operation, in the present embodiment, the sprue 708 arranged in sandbox or riser passage 709 direction parallel with sandbox faying face.
Above-mentioned about dowel mechanism and locating hole in the guide that arranges to raising positioning precision, there is certain effect, but, alignment pin traditionally and locating hole structure also can complete this method, but, high position precision is difficult to ensure, particularly in mechanization production, repeatable accuracy cannot ensure.
In above-mentioned mould, upper die and lower die tool forms product peripheral shape, in the present embodiment, cast product inner circumferential is hollow, and inside is provided with inner ring, in order to realize interiors of products structure, in this facility example, inside is provided with resin sand core 801, and resin sand core 801 utilizes core print 802 to be fixed.
Fig. 9 is that turning device side structure schematic diagram erect by sandbox, Figure 10 is that after mould assembling, sandbox is arranged on the horizontal generalized section erect on turning device, Figure 11 is the vertical side schematic view that after mould assembling, sandbox is arranged on the vertical generalized section erect on turning device, Figure 12 is sandbox after mould assembling.
Due to product, by the sprue 708 that arranges in sandbox or the riser passage 709 direction state parallel with sandbox faying face, be unfavorable for the molten metal of pouring molten, need to complete by setting turning device.Described setting turning device from the side, in shape of droping to the ground " L " type structure, the bottom surface, place, long limit of shape " L " type of droping to the ground structure is namely: horizontal bearing plate 906 is provided with supporting leg, wherein right-angle side supporting leg passes through hinge member 902, hinge member 902 is connected on platform 903, the sandbox after mould assembling is provided with above shape " L " type of droping to the ground setting turning device, when sandbox is to vertical cube to upset, the setting turning device being provided with sandbox with the jointed shaft of hinge member 902 for axle center rotates to upright state.
The bottom surface, place, long limit of described shape of droping to the ground " L " type structure is namely: below horizontal bearing plate 906, be provided with four supporting legs, four supporting legs i.e. Horizontal supporting leg 905, the right-angle side side of shape " L " type of droping to the ground structure is provided with two supporting legs, hinge member is respectively arranged with at the bottom of these two supporting legs, these two supporting legs are exactly hinged support leg 904, erect turning device under the state of droping to the ground, the total height of hinged support leg 904 and hinge member 902 is highly equal with two other Horizontal supporting leg 905; Under setting turning device rotates to upright state, the total height of hinged support leg 904 and hinge member 902 is identical with the total height of vertical support leg 910, that is, hinged support leg 904 can be the same high with the height under upright state under sleeping blade state, also can be different height, in the present embodiment, under horizontal and vertical state, the height of hinged support leg 904 is inconsistent.
Described horizontal type is perpendicular to be watered casting forming method and comprises the steps:
(1) in the top box 712 and nowel 716 of sandbox, molding sand is loaded, utilize upper die and lower die compressing sand mold in sandbox respectively, time shaping, the circle that the circle that on mould shaping plate, the left and right sides is arranged respectively or oval dowel mechanism or locating hole and sand box ear 719 set or oval locating hole or dowel mechanism position;
(2) core 801 is set in sand mold, then utilizes core print 802 to fix core 801;
(3) stationary positioned pin mechanism in the relative direction of top box 712 or nowel case ear 719, the top box upset of sand mold will be formed, its top box 712 is made to face nowel 716, decline top box 712, the alignment pin 404 sandbox side is fixed on case ear 719 is inserted in the locating hole of other side sand box ear 719 position, and top box 712 and nowel 716 are carried out mould assembling, utilize bolt 901 by fixing between the folder ear 707 on top box 712 and nowel 716, unload and be fixed on circular dowel mechanism 714 fixing on sand box ear 719 and oval dowel mechanism 715, be replaced with long-range alignment pin 718, be inserted in the locating hole of case,
(4) sandbox fixed is arranged on turning device, manual or electronic or hydraulic means is utilized to drive horizontally disposed setting turning device, make its half-twist, setting turning device and sandbox can erect, after setting, the sandbox side, opposite of Horizontal supporting base plate arranges the movable protecting plate 907 relative with rear support base plate of standing and fixes, respectively the relative two sides of sandbox is protected, after erectting upset, cast gate 701 and rising head 703 are vertically upward, cast gate arranges pouring basin 1005, wherein, the bottom surface, place, long limit of described shape of droping to the ground " L " type structure is arranged with stiffener 908, that is: stiffener 908 is provided with below horizontal bearing plate 906, erect turning device under the state of droping to the ground, horizontal bearing plate 906 plays and supports heavy burden effect, after overturning 90 °, sandbox weight is arranged on the bottom surface, minor face place of " L " type structure, that is bearing a heavy burden has been added on vertical bearing plate 909, the maximum setting flip angle of described setting turning device is 90 °, face, place, the long limit relative position of " L " type structure is provided with moveable baffle 907, after setting turning device rotates to upright state, horizontal bearing plate 906 plays a protective role again, in order to both sides have protective effect simultaneously, under upright state, the opposite of horizontal bearing plate 906, namely on the opposite across sandbox, movable protecting plate 907 can be provided with again, movable protecting plate 907 is provided with equally the other one piece of stiffener with stiffener 908 symmetry, movable protecting plate 907 carries out arranging installation after upset, the both sides that horizontal bearing plate 906 and movable protecting plate 907 are oppositely arranged on sandbox protect sandbox, prevent sandbox from deforming in casting process or the generation of the fortuitous event such as division, can guarantee to implement pouring practice under the situation of safety,
(5) from the metal liquid of pouring basin 1005 pouring molten, sand mold is cooled;
(6) remove upper phase 712, the nowel 716 of sandbox, core 801 and core print 802, excise the sprue 708 and the interior metal formed of riser passage 708 that are connected with product;
(7) cleaning polishing is carried out to molding sand bonding on foundry goods and burr etc.,
The sand mold of above-mentioned foundry goods is shaping, upset erect by mould assembling and sandbox, can be used for manual completing, also can be used for automatic production line.
The good effect that the present invention has is: by being provided with the locating hole of guide 401 or the alignment pin 404 with taper sliding sleeve on mould and sand mold, can make between mould and sandbox, carry out between top box 712 and nowel 716 and accurately locate, the precision of sand mold and product can be ensured, the shift value of product can be reduced, ensure slickness and the fineness of product surface, by sprue 708 and riser passage 709 direction are arranged to the direction being parallel to mould assembling faying face, product and ingate connecting portion can be made to avoid end face of flange, the density of product can be improved, improve the quality of product, by arranging folder ear 707 on sandbox, upper drag box can be fixed together, be conducive to sandbox upset, sandbox upset is carried out by utilizing turning device, then pour into a mould under upright condition, cast hydrostatic head can be made to improve about 150mm, solve position, product top and easily occur shrinkage porosity defect of contraction cavity, do not need large feeding head simultaneously, Product Process yield rate improves 10-15%, improve finished product rate 6-8%, significantly reducing production cost carrying on high-quality basis realizes pouring into a mould vertically downward, realize horizontal type and erect pouring technique, by utilizing this method, rear operation can be reduced and add the scrappage that man-hour, product caused because of bubble pore etc., improve mould strength and stability simultaneously, uniformity, solve and cause casting mold yielding product easily to occur that the problem of shrinkage porosite rarefaction defect is easy to realize consecutive solidification because the casting mold degree of packing is low, be conducive in casting pouring process of setting from the upper and feeding of elder generation, significantly improve the inherent quality of product, achieve the operation of output shaft housing production mechanization, improve production efficiency.
Claims (4)
1. the horizontal type of foundry goods erects and waters casting forming method, comprise be provided with circle or oval dowel mechanism and locating hole mould, two relative side is provided with folder ear, other two opposite faces are provided with case ear sandbox, sand box ear relevant position is provided with circle or oval locating hole or dowel mechanism, sprue on sandbox or riser passage parallel with mould assembling faying face, sandbox can be set and the turning device that sandbox can be erected, it is characterized in that: described horizontal type is perpendicular to be watered casting forming method and comprise the steps:
(1) in the top box and nowel of sandbox, molding sand is loaded, utilize upper die and lower die compressing sand mold in sandbox respectively, time shaping, the circle that the circle that on mould shaping plate, the left and right sides is arranged respectively or oval dowel mechanism or locating hole and sand box ear set or oval locating hole or dowel mechanism cooperatively interact and locate;
(2) core is set in sand mold, then utilizes core print to fix core;
(3) stationary positioned pin mechanism in the relative direction of top box or nowel case ear, the top box upset being formed with sand mold is faced nowel, utilize alignment pin fixing on the case ear of sandbox side to insert in the locating hole of other side sand box ear to position, and top box and nowel are carried out mould assembling, utilize bolt by fixing between top box and lower clamp ear, unload dowel mechanism, utilize long-range alignment pin to replace dowel mechanism;
(4) sandbox fixed is arranged on turning device, manual or electronic or hydraulic means is utilized to drive horizontally disposed setting turning device, make its half-twist, setting turning device and sandbox can erect, after setting, the sandbox side, opposite of Horizontal supporting base plate arranges the baffle relative with rear support base plate of standing and fixes, and protects respectively to the relative two sides of sandbox, after erectting upset, cast gate and rising head vertically upward, cast gate arrange pouring basin;
(5) from the metal liquid of pouring basin pouring molten, sand mold is cooled;
(6) remove sandbox, core and core print, excise the cured portion in sprue and riser passage;
(7) cleaning polishing is carried out to molding sand bonding on foundry goods and burr etc.
2. the horizontal type of a kind of foundry goods according to claim 1 is perpendicular waters casting forming method, it is characterized in that: described casting forming method can be used for hand dropping, also can be used for automatic production line.
3. the horizontal type of a kind of foundry goods according to claim 1 is perpendicular waters casting forming method, it is characterized in that: described turning device side is " L " type structure, before upset; " L " type is shape attitude of droping to the ground; after upset is " L " type structure; " L " type structure right-angle side supporting leg on be provided with hinge member, the supporting leg height on hinge member and limit, place, respectively with " L " and type structure turning device overturn before and after other supporting leg height equal.
4. the horizontal type of a kind of foundry goods according to claim 1 is perpendicular waters casting forming method, it is characterized in that: the circle that described mould or sandbox are arranged or oval locating hole periphery are provided with guide, slide and are provided with the pyramidal structure locating slide sleeve mated with guide mouth in the circle that described mould or sandbox are arranged or oval dowel mechanism periphery, the locating slide sleeve of alignment pin periphery is equipped with retainer spring near stiff end side, and retainer spring supports sliding sleeve and makes it to be positioned at the most advanced and sophisticated position of alignment pin.
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| CN201510652688.6A CN105328120A (en) | 2015-10-10 | 2015-10-10 | Transverse-molding and vertical-casting casting molding method for casting |
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| CN201510652688.6A CN105328120A (en) | 2015-10-10 | 2015-10-10 | Transverse-molding and vertical-casting casting molding method for casting |
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| CN105750511A (en) * | 2016-03-28 | 2016-07-13 | 宁夏朗盛精密制造技术有限公司 | Two-flask positioning method for sand casting |
| CN106077503A (en) * | 2016-06-23 | 2016-11-09 | 常州步速者机械制造有限公司 | A kind of casting technique of supporting leg |
| CN108050235A (en) * | 2017-12-12 | 2018-05-18 | 重庆望江工业有限公司 | A kind of large-scale wind electricity gear housing |
| CN108356234A (en) * | 2018-03-20 | 2018-08-03 | 溧阳市联华机械制造有限公司 | The plane vertical pouring shell structure of thick big high-Ni-Cr cast iron volute |
| CN108555249A (en) * | 2018-04-13 | 2018-09-21 | 芜湖久弘重工股份有限公司 | A kind of dynamic column gantry miller body method of dynamic beam of three casees casting large-scales |
| CN109261908A (en) * | 2018-11-23 | 2019-01-25 | 山东明兴不锈钢精密铸造有限公司 | A kind of shell production method of roasting |
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| CN110681846A (en) * | 2019-09-30 | 2020-01-14 | 山西江淮重工有限责任公司 | Horizontal modeling vertical differential pressure pouring device and pouring method for aluminum alloy special-shaped structural part |
| CN111266528A (en) * | 2020-04-03 | 2020-06-12 | 沙县际口耐磨精密铸钢厂（普通合伙） | Bimetal composite hammer head casting die and casting method thereof |
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| CN105750511A (en) * | 2016-03-28 | 2016-07-13 | 宁夏朗盛精密制造技术有限公司 | Two-flask positioning method for sand casting |
| CN106077503A (en) * | 2016-06-23 | 2016-11-09 | 常州步速者机械制造有限公司 | A kind of casting technique of supporting leg |
| CN108050235A (en) * | 2017-12-12 | 2018-05-18 | 重庆望江工业有限公司 | A kind of large-scale wind electricity gear housing |
| CN109940136A (en) * | 2017-12-20 | 2019-06-28 | 科华控股股份有限公司 | A kind of shell mould mould closer and method by screw fastening |
| CN108356234A (en) * | 2018-03-20 | 2018-08-03 | 溧阳市联华机械制造有限公司 | The plane vertical pouring shell structure of thick big high-Ni-Cr cast iron volute |
| CN108555249A (en) * | 2018-04-13 | 2018-09-21 | 芜湖久弘重工股份有限公司 | A kind of dynamic column gantry miller body method of dynamic beam of three casees casting large-scales |
| CN109261908A (en) * | 2018-11-23 | 2019-01-25 | 山东明兴不锈钢精密铸造有限公司 | A kind of shell production method of roasting |
| CN109261908B (en) * | 2018-11-23 | 2020-07-24 | 山东明兴金属科技股份有限公司 | Shell manufacturing and roasting method |
| CN110681846A (en) * | 2019-09-30 | 2020-01-14 | 山西江淮重工有限责任公司 | Horizontal modeling vertical differential pressure pouring device and pouring method for aluminum alloy special-shaped structural part |
| CN111266528A (en) * | 2020-04-03 | 2020-06-12 | 沙县际口耐磨精密铸钢厂（普通合伙） | Bimetal composite hammer head casting die and casting method thereof |
| CN112719215A (en) * | 2020-12-22 | 2021-04-30 | 诸暨市海川机械铸造有限公司 | Pump body casting equipment and casting process |
| CN112719215B (en) * | 2020-12-22 | 2022-06-24 | 诸暨市海川机械铸造有限公司 | Pump body casting equipment and casting process |
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