CN106734899B - A kind of casting method of gyratory crusher crossbeam backplate - Google Patents

A kind of casting method of gyratory crusher crossbeam backplate Download PDF

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Publication number
CN106734899B
CN106734899B CN201611252870.3A CN201611252870A CN106734899B CN 106734899 B CN106734899 B CN 106734899B CN 201611252870 A CN201611252870 A CN 201611252870A CN 106734899 B CN106734899 B CN 106734899B
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China
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sand
casting
core
backplate
riser
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CN201611252870.3A
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Chinese (zh)
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CN106734899A (en
Inventor
崔泓飞
黄荣刚
江海燕
宋之龙
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安徽昱工耐磨材料科技有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/08Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/088Feeder heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/20Stack moulds, i.e. arrangement of multiple moulds or flasks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/22Moulds for peculiarly-shaped castings

Abstract

The invention discloses a kind of casting methods of gyratory crusher crossbeam backplate, belong to casting technology field.The casting mould of the present invention includes internal sand core and external sand mold, cavity is formed between sand core and sand mold, the sand mold (core) according to crossbeam backplate pouring position just place design, the sand mold of the crossbeam backplate is divided into tri- sand mold monomers of L1, L2 and L3 from top to bottom, sand mold monomer L1 is arranged in top box, and sand mold monomer L2 is arranged in raising middle flask, and sand mold monomer L3 is arranged in nowel, three sand mold monomers are stacked, and sand core is not stratified;The present invention by crossbeam backplate just casting, using three-cavity moulding casting technique, alleviate the problem of high-order riser is to low level riser feeding, reduce the waste of molten steel, and riser setting quantity is reduced, casting of appearance of cast, which destroys, to be reduced, the manual polishing riser residence time shortens, cost of labor is saved, the production cycle is shortened, the crossbeam backplate visual quality of casting is also guaranteed.

Description

A kind of casting method of gyratory crusher crossbeam backplate

Technical field

The present invention relates to casting technology fields, more specifically to a kind of casting of gyratory crusher crossbeam backplate Method.

Background technology

In the industries such as metallurgy, building, chemical building material, mine, refractory material, need to the hardness such as magnesia, alumine compared with Big ore is crushed and is crushed, and especially refractories industry is to crushing granularity requirement higher, it is desirable that particle is uniform, corner angle are justified It slides, without sheet-like particle, condition is good.Gyratory crusher is the turning motion in shell inner cone chamber using broken cone, to material Generate squeeze, splitting and flecition, the ore of the various hardness of coarse crushing or the Large Crusher tool of rock, thus it is metallurgical, build It builds, the fields such as mine are used widely.

Crossbeam backplate is an important component of gyratory crusher, by casting.As shown in Figure 1, being one kind The crossbeam backplate of gyratory crusher is mainly opened up including casting body 1, arc structure 2, sector structure 3, big muscle 4 and distribution In the various pore structures 5 of casting body 1, the pore structure 5 includes peep hole, hole for hoist and threaded hole etc..In the prior art, by It is big in crossbeam backplate volume weight, it is complicated, it is exactly to manufacture and add the defects of easy ting produce casting crack first in casting Work is difficult;Secondly, crossbeam backplate is upsided down casting by the prior art, i.e., crossbeam backplate casting pouring unpack after in shape as shown in Figure 2 State, it is exactly that entire casting is all placed on nowel to upside down one benefit of casting, and casting mold is very simple, and sand core places rear mould assembling i.e. Can, it is conveniently many for the big casting of the volume weight as crossbeam backplate.But it is lacked there is also very outstanding simultaneously It falls into, first, upsides down casting beam backplate casting, need respectively to be arranged 3 for installing riser in 1 both sides of casting body according to calculating 4 riser seats 6 are arranged in riser seat 6 at casting sector structure 3, and 1 installation of setting is larger at casting arc structure 2 The riser seat 6 of riser, riser setting quantity is more, then after corresponding remove feeders, riser residual will be very much, riser residual Being destroyed to the appearance of casting can be very big, and each riser residual subsequently will manually polish, undoubtedly very time-consuming and laborious, people Work is of high cost;On the other hand, casting beam backplate casting is upsided down, the thickness of casting is most of in lower part, this is also in casting circular arc The reason of needing that 1 larger riser is arranged at structure 2, in casting process, while which is feeding a casting, from Body is also required to feeding, thus just needs high position riser for low level riser feeding, that is, some molten steel is not used to feeding Casting, but for the riser of feeding lower part, this can undoubtedly cause the waste of molten steel.

Through retrieval, Chinese Patent Application No. 201410303573.1, the applying date is on June 30th, 2014, innovation and creation name Referred to as:A kind of casting technique of gyratory crusher main shaft entirety bushing, this application include the following steps:A, pouring position: Using upright casting mode;B, formative method:Using manual box moulding, entity apperance;C, shrinking percentage:Shrinking percentage is set to 2.8%;D、 Feeder Design:Using taper feeder head with, two layers of arrangement, i.e. one layer of top are one layer intermediate;E, Design of Runner System:Using list The running gate system of packet diplopore, circular cross-runner, the double-deck ingate;F, Modeling Material:Molding sand, core sand are all made of forsterite sand, And coating then uses quality magnesia powder coating;G, melting;H, water-tenacity treatment:Before shove charge, covered using the external disc of heat-preservation cotton;It should Application case solves in the presence of the casting of gyratory crusher main shaft entirety bushing and easily scab, crackle, shrinkage cavity defect occurs And the problem that casting difficulty is big.But this application is designed primarily directed to the design feature of gyratory crusher main shaft entirety bushing Casting technique, can not be applied to gyratory crusher crossbeam backplate casting.

And Chinese Patent Application No. is 201210174917.4, on May 31 2012 applying date, invention and created name is: A kind of casting technique of tape spool class cylindric casting;Chinese Patent Application No. 201610091762.6, the applying date are 2 months 2016 19 Day, invention and created name is:Jaw crusher wear-resistant jaw plate and preparation method thereof;Chinese Patent Application No. is 201310347232.X, the applying date are August in 2013 9, and invention and created name is:Hydraulic injection molding machine oil internal-circulation type solid plate Although the technical solutions such as casting technique all disclose the technique using three casees castings, above-mentioned application case also has it to be directed to Property, the crossbeam backplate casting of gyratory crusher can not be applied to.And solve the casting of gyratory crusher crossbeam backplate The above problem existing for technique, not yet retrieves effective scheme.

Invention content

1. technical problems to be solved by the inivention

It is an object of the invention to overcome existing for existing gyratory crusher crossbeam backplate casting technique:1) riser remains It is more, the crossbeam backplate visual quality of casting is influenced, and manual polishing is time-consuming and laborious;2) because high-order riser need to low level riser feeding, The problem of causing molten steel to waste provides a kind of casting mould and casting method of gyratory crusher crossbeam backplate;The present invention By crossbeam backplate just casting alleviate the problem of high-order riser is to low level riser feeding using three-cavity moulding casting technique, subtract Lacking the waste of molten steel, and riser setting quantity is reduced, casting of appearance of cast, which destroys, to be reduced, and the manual polishing riser residence time shortens, Cost of labor is saved, the production cycle is shortened, the crossbeam backplate visual quality of casting is also guaranteed.

2. technical solution

In order to achieve the above objectives, technical solution provided by the invention is:

A kind of casting mould of gyratory crusher crossbeam backplate of the present invention, including internal sand core and external sand Type, forms cavity between sand core and sand mold, the sand mold according to crossbeam backplate pouring position just place and design, the crossbeam backplate Sand mold be divided into tri- sand mold monomers of L1, L2 and L3 from top to bottom, sand mold monomer L1 is arranged in top box, and sand mold monomer is arranged in raising middle flask Sand mold monomer L3 is arranged in L2, nowel, and three sand mold monomers are stacked, and sand core is not stratified;Described sand mold monomer L1, L2 and L3 exist The height ratio of vertical direction is 1:(2~2.3):(1~1.2).

Further, described sand mold monomer L1, L2 and L3 is 1 in the height ratio of vertical direction:2:1.

Further, the sand core includes No. 1 main sand core, No. 2 main sand cores, pore structure sand core and core print, No. 1 main sand Core and No. 2 main sand cores are fixed on core print, and No. 1 main sand core and No. 2 main pastings of core are integrated, the pore structure pasting of core In on No. 2 main sand cores.

Further, No. 1 side of the main sand core far from No. 2 main sand cores is provided with a guide frame, the guiding Structure is designed in dove-tail form.

Further, guide frame two side setting is gradient, and the lower width of specially guide frame is big In upper width.

Further, No. 1 main sand core and No. 2 main sand core internals, which are filled with, makes a concession object, and the yielding object is Straw rope, sawdust or foam.

Further, the casting mould is provided with 3 according to crossbeam backplate volume on the big muscle of crossbeam backplate Riser, is provided with 2 riser in the sector structure of crossbeam backplate, which is located at casting body both sides.

Further, 3 riser being arranged on the big muscle of crossbeam backplate use RND350 feeder head withs, are protected in crossbeam 2 riser being arranged in the sector structure of plate use RND120 feeder head withs.

A kind of casting method of gyratory crusher crossbeam backplate of the present invention, step are:

Step 1: simulating the system of risers for determining crossbeam backplate using modulus calculation and computer casting solidification:Just casting When making, riser installation position and size, in such a way that computer Mould Filling Simulation determines the opening up of running gate system;

Step 2: determining the die joint position between three sand mold monomers of crossbeam backplate casting by Computerized three-dimensional modeling software It sets;

Step 3: making sand core and sand mold, No. 1 main sand core, No. 2 main sand cores, pore structure sand core and the core print of the sand core It makes respectively, bonds and be integrated when lower core operates, using three casees solid modellings of Combined type sand box;

Step 4: after mould assembling is poured into a mould, unpacks and carry out knockout processing and riser cutting, then carry out heat treatment and riser Residual polishing.

3. advantageous effect

Using technical solution provided by the invention, compared with existing known technology, there is following remarkable result:

(1) casting mould of a kind of gyratory crusher crossbeam backplate of the invention, sand mold are poured into a mould according to crossbeam backplate Position just place design, i.e., crossbeam backplate just casting, the technique that casting is upsided down relative to traditional crossbeam backplate, exchange direction The thickness of rear cross beam backplate casting is most of on top, then by the way that 3 riser, the direct needle of riser are arranged on the big muscle of crossbeam backplate To the most of feeding of the thickness of crossbeam backplate, feeding efficiency improves, and high-order riser does not have to, again to low level riser feeding, save steel The use of water;

(2) casting mould of a kind of gyratory crusher crossbeam backplate of the invention, in conjunction with the crossbeam backplate being calculated Just molten steel amount needed for casting, and improve feeding efficiency, emitted provided with 3 RND350 necking downs on the big muscle of crossbeam backplate Mouthful, it is provided with 2 RND120 feeder head withs in the sector structure of crossbeam backplate, needs 11 riser to be kept to only from traditional handicraft 5 riser are needed, the human and material resources consumed needed for follow-up remove feeders and manual grinding are saved, cost of labor is reduced, The crossbeam backplate visual quality of casting is also guaranteed;

(3) casting mould of a kind of gyratory crusher crossbeam backplate of the invention, by the sand mold of crossbeam backplate from up to Under be divided into three sand mold monomers, be respectively arranged in sandbox, using three casees solid modellings of Combined type sand box, and pass through computer mould It is quasi-, determine the die joint between three sand mold monomers, avoid and entire casting is arranged in top box, due to crossbeam backplate volume is big, Height is high and complicated, and sand core is higher by die joint there are about 1.6m, when lower core, is easy to happen sand core crushing, molding sand is touched down and The problem of driving inconvenience allocation and transportation;

(4) casting mould of a kind of gyratory crusher crossbeam backplate of the invention, in No. 1 main sand core far from No. 2 masters The side of sand core is provided with a dove-tail form guide frame, and the guide frame two side has a gradient, staff that can rely on The guide frame smoothly transfers sand core, and pore structure sand core being arranged on sand core etc. is avoided to touch side sand mold during lower core And be damaged, improve sand core decentralization rate;

(5) casting mould of a kind of gyratory crusher crossbeam backplate of the invention, in No. 1 main sand core and No. 2 main sand Core inner is filled with straw rope, sawdust or foam and makes a concession object, increases the deformability of sand core, crossbeam backplate casting is made to substantially achieve Free shrink greatly improves the structure property of crossbeam backplate casting;

(6) casting method of a kind of gyratory crusher crossbeam backplate of the invention, process engineering is scientific and reasonable, just Implement in operation, the crossbeam backplate visual quality of casting cast is good, and the defects of be not likely to produce casting crack, has very high Application value.

Description of the drawings

Fig. 1 is the structural schematic diagram for the crossbeam backplate that the present invention need to be cast;

Fig. 2 is that schematic diagram is arranged in conventional casting techniques middle cross beam backplate casting pressing port seat;

Fig. 3 is that schematic diagram is arranged in the casting technique middle cross beam backplate casting pressing port of the present invention;

Fig. 4 is the side view of Fig. 3;

Fig. 5 is the schematic diagram that middle cross beam backplate casting of the present invention is combined with sand core;

Fig. 6 is the structural schematic diagram of No. 1 main sand core in the present invention;

Fig. 7 is the structural schematic diagram of No. 2 main sand cores in the present invention.

Label declaration in schematic diagram:

1, casting body;2, arc structure;3, sector structure;4, big muscle;5, pore structure;6, riser seat;7, lacing wire;8, it emits Mouthful;91, No. 1 main sand core;911, side wall;92, No. 2 main sand cores;93, pore structure sand core;94, core print.

Specific implementation mode

To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.

Embodiment 1

In order to overcome traditional gyratory crusher crossbeam backplate to upside down casting technique, riser residual is more, influences crossbeam shield The plate visual quality of casting, and manual polishing is time-consuming and laborious, needs high-order riser to low level riser feeding, causes asking for molten steel waste Topic present embodiments provides a kind of casting mould of gyratory crusher crossbeam backplate, including internal sand core and external sand Type forms cavity between sand core and sand mold, crossbeam backplate is turned direction by the present embodiment with respect to traditional handicraft, be changed to just casting Make, the sand mold according to crossbeam backplate pouring position just place design.Its middle cross beam backplate normal operating condition, that is, so-called Just, state as shown in Figure 2, that is, so-called upsides down.

The present embodiment upsides down the technique of casting relative to traditional crossbeam backplate, and the thickness for exchanging direction rear cross beam backplate casting is big Part is on top, and directly against the most of feeding of thickness of crossbeam backplate, feeding efficiency improves riser, and high-order riser do not have to again to Low level riser feeding saves the use of molten steel.

Referring to Fig. 4, the sand mold of crossbeam backplate is divided into tri- sand mold monomers of L1, L2 and L3, Fig. 2 by the present embodiment from top to bottom Middle twice horizontal line is the die joint between three sand mold monomers, and sand mold monomer L1 is arranged in top box, and sand mold monomer L2 is arranged in raising middle flask, Sand mold monomer L3 is arranged in nowel namely the crossbeam backplate sand mold on die joint top between L1 and L2 shown in Fig. 4, raising middle flask is arranged in top box Crossbeam backplate sand mold between two die joints shown in Fig. 4 is set, and the crossbeam of die joint lower part between L2 and L3 shown in Fig. 4 is arranged in nowel Backplate sand mold, three sand mold monomers are stacked, and sand core is not stratified.

The sand mold of crossbeam backplate is divided into three sand mold monomers by the present embodiment from top to bottom, is respectively arranged in sandbox, is adopted With three casees solid modellings of Combined type sand box, mainly considers that crossbeam backplate volume is big, height is high and complicated, crossbeam is protected Plate just after casting, such as use two casees traditional casting techniques, entire casting is arranged in top box, and sand core will be higher by die joint about 1.6m, and sand core structure is complicated, and the case where sand core crushes, molding sand is touched down, and the height of top box are easy tod produce in mould assembling operation Degree undoubtedly can be very high, is not easy to driving handling, and in mould assembling, staff can only see 3 riser of top box from eminence, It is not easy to very much adjust.For this purpose, top box is separated into two casees, i.e. raising middle flask and top box by the present embodiment, one comes raising middle flask and top box height Be not it is very high, convenient for driving handling, two come due to raising middle flask moulding be crossbeam backplate middle section and structure it is most complicated Part, staff can almost see the cavity of a whole circle between sand core and sand mold from eminence, be highly convenient in mould assembling Adjustment, improves mould assembling efficiency.In addition, the present embodiment also passes through calculating simulation, it is determined that best point between three sand mold monomers Type face, i.e., described sand mold monomer L1, L2 and L3 are 1 in the height ratio of vertical direction:(2~2.3):(1~1.2), most favorably In mould assembling and subsequent cast, the present embodiment be particularly limited as sand mold monomer L1, L2 and L3 vertical direction height ratio It is 1:2:1.

Referring to Fig. 5, Fig. 6 and Fig. 7, the sand core includes 91, No. 2 main sand cores 92 of No. 1 main sand core, 93 and of pore structure sand core 94, No. 1 main sand core 91 of core print and No. 2 main sand cores 92 are fixed on core print 94, and No. 1 main sand core 91 and No. 2 main sand cores 92 are made respectively Make, later stage bonding is integrated, and the pore structure sand core 93 is bonded on No. 2 main sand cores 92.The present embodiment is by No. 1 main sand core 91 It is made respectively with No. 2 main sand cores 92, later stage recombinant is integrated, and is made convenient for sand core, is also beneficial to smoothly play core.And in view of cross The wooden partition at the certain positions of beam backplate is relatively thin, and the cavity between only 70mm or so namely sand core and sand mold only has 70mm or so, right For larger in volume and complicated crossbeam backplate sand core, sand core position how is adjusted during lower core so that such as hole These the small structures of structure sand core 93 are unlikely to be touched side sand mold and is damaged, and the present embodiment is in No. 1 main sand core 91 far from No. 2 masters The side of sand core 92 is provided with a guide frame, which designs in dove-tail form.Guide frame two side 911 is provided with tiltedly Degree, the specially lower width of guide frame are more than upper width.Staff can smoothly transfer sand by the guide frame Core avoids pore structure sand core being arranged on sand core etc. from touching side sand mold during lower core and be damaged, improves sand core Transfer rate.

(do not show in figure in addition, the present embodiment is filled with yielding object inside No. 1 main sand core 91 and No. 2 main sand cores 92 Go out), the yielding object can be straw rope, sawdust or foam.Inside No. 1 main sand core 91 of the present embodiment and No. 2 main sand cores 92 Straw rope is filled, the deformability of straw rope sand core is filled, so that crossbeam backplate casting is substantially achieved free shrink, greatly improve cross The structure property of beam backplate casting.In addition to object is made a concession in filling, the present embodiment is provided with lacing wire 7 also between 1 two side of casting body, The installation position of lacing wire 7 can be referring to Fig. 2, unlike Fig. 2, and the present embodiment is provided with 5 drawings between 1 two side of casting body Muscle 7, lacing wire 7 can be very good to prevent 1 dilatating and deformable of casting process medium casting body.

Referring to Fig. 3, the casting mould of the present embodiment is according to crossbeam backplate volume, just in conjunction with the crossbeam backplate being calculated Molten steel amount needed for casting, and feeding efficiency is improved, 3 riser 8,3 riser 8 are provided on the big muscle 4 of crossbeam backplate Using RND350 feeder head withs, 2 riser 8 are provided in the sector structure 3 of crossbeam backplate, which is located at casting body 1 both sides, 2 riser 8 being arranged in the sector structure 3 of crossbeam backplate use RND120 feeder head withs.The present embodiment is from tradition Technique needs 11 riser to be kept to only need 5 riser, save the manpower consumed needed for follow-up remove feeders and manual grinding, Material resources, cost of labor are reduced, and the crossbeam backplate visual quality of casting is also guaranteed.

Using the present embodiment casting mould cast gyratory crusher crossbeam backplate detailed process be:

Step 1: simulated using modulus calculation and computer casting solidification determine crossbeam backplate just casting when, riser 8 is set 3 RND350 feeder head withs are arranged, in the sector structure 3 of crossbeam backplate in seated position and size that is, on the big muscle 4 of crossbeam backplate 2 RND120 feeder head withs of upper setting recycle computer Mould Filling Simulation to determine the paving mode of running gate system.

Step 2: determining the die joint position between three sand mold monomers of crossbeam backplate casting, i.e. sand by computer simulation Type monomer L1, L2 and L3 is 1 in the height ratio of vertical direction:2:1, die joint is in corresponding position.

Step 3: making sand core and sand mold, No. 1 main sand core 91, No. 2 main sand cores 92, pore structure sand cores 93 of the sand core It is made respectively with core print 94, bonds and be integrated when lower core operates, using three casees solid modellings of Combined type sand box.

Step 4: after mould assembling is poured into a mould, unpacks and carry out knockout processing and riser cutting, then carry out heat treatment and riser Residual polishing.

Casting method described in the present embodiment, process engineering is scientific and reasonable, implementation easy to operation, the cross cast The beam backplate visual quality of casting is good, and the defects of be not likely to produce casting crack, has highly application value.

Embodiment 2

The casting mould and casting method of a kind of gyratory crusher crossbeam backplate of the present embodiment, substantially with embodiment 1, The difference is that in the present embodiment sand mold monomer L1, L2 and L3 vertical direction height ratio be 1:2.3:1.2.

Embodiment 3

The casting mould and casting method of a kind of gyratory crusher crossbeam backplate of the present embodiment, substantially with embodiment 1, The difference is that in the present embodiment sand mold monomer L1, L2 and L3 vertical direction height ratio be 1:2.1:1.1.

Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution Similar frame mode and embodiment, are within the scope of protection of the invention.

Claims (5)

1. a kind of casting method of gyratory crusher crossbeam backplate, it is characterised in that:The casting mould that this method uses includes Internal sand core and external sand mold, form cavity between sand core and sand mold, the sand mold according to crossbeam backplate pouring position just Placement design, the sand mold of the crossbeam backplate is divided into tri- sand mold monomers of L1, L2 and L3 from top to bottom, and sand mold list is arranged in top box Sand mold monomer L2 is arranged in body L1, raising middle flask, and sand mold monomer L3 is arranged in nowel, and three sand mold monomers are stacked, and sand core is not stratified;Institute It is 1 that sand mold monomer L1, L2 and L3, which is stated, in the height ratio of vertical direction:(2~2.3):(1~1.2);The sand core includes 1 Number main sand core (91), No. 2 main sand cores (92), pore structure sand core (93) and core print (94), No. 1 main sand core (91) and No. 2 main sand cores (92) it is fixed on core print (94), No. 1 main sand core (91) and No. 2 main sand core (92) bondings are integrated, the pore structure sand core (93) it is bonded on No. 2 main sand cores (92);The casting mould is according to crossbeam backplate volume, in the big muscle (4) of crossbeam backplate It is upper to be provided with 3 riser (8), 2 riser (8) are provided in the sector structure (3) of crossbeam backplate, which is located at Casting body (1) both sides, 3 riser (8) being arranged on the big muscle (4) of crossbeam backplate use RND350 feeder head withs, in crossbeam 2 riser (8) being arranged in the sector structure (3) of backplate use RND120 feeder head withs;Specifically casting step is:
Step 1: simulating the system of risers for determining crossbeam backplate using modulus calculation and computer casting solidification:Just casting when, The position of riser (8) setting and size, in such a way that computer Mould Filling Simulation determines the opening up of running gate system;
Step 2: determining the die joint position between three sand mold monomers of crossbeam backplate casting by Computerized three-dimensional modeling software;
Step 3: making sand core and sand mold, No. 1 main sand core (91) of the sand core, No. 2 main sand cores (92), pore structure sand cores (93) it is made respectively with core print (94), bonds and be integrated when lower core operates, using three casees solid modellings of Combined type sand box;
Step 4: after mould assembling is poured into a mould, unpack and carry out knockout processing and riser cutting, then carries out heat treatment and riser residual Polishing.
2. a kind of casting method of gyratory crusher crossbeam backplate according to claim 1, it is characterised in that:The sand Type monomer L1, L2 and L3 is 1 in the height ratio of vertical direction:2:1.
3. a kind of casting method of gyratory crusher crossbeam backplate according to claim 2, it is characterised in that:Described Side of No. 1 main sand core (91) far from No. 2 main sand cores (92) is provided with a guide frame, which designs in dove-tail form.
4. a kind of casting method of gyratory crusher crossbeam backplate according to claim 3, it is characterised in that:Described Guide frame two side (911) setting is gradient, and specially the lower width of guide frame is more than upper width.
5. a kind of casting method of gyratory crusher crossbeam backplate according to claim 4, it is characterised in that:Described No. 1 main sand core (91) and internal be filled with of No. 2 main sand cores (92) make a concession object, and the yielding object is straw rope, sawdust or foam.
CN201611252870.3A 2016-12-30 2016-12-30 A kind of casting method of gyratory crusher crossbeam backplate CN106734899B (en)

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CN202984591U (en) * 2012-12-25 2013-06-12 遵义市凯航机械制造有限公司 Casting device of electric mechanism box body
CN206445174U (en) * 2016-12-30 2017-08-29 安徽昱工耐磨材料科技有限公司 A kind of casting mould of gyratory crusher crossbeam backplate

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