CN206445174U - A kind of casting mould of gyratory crusher crossbeam backplate - Google Patents

Abstract

The utility model discloses a kind of casting mould of gyratory crusher crossbeam backplate, belong to casting technology field.Casting mould of the present utility model includes internal core and outside sand mold, die cavity is formed between 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, top box sets sand mold monomer L1, and raising middle flask sets sand mold monomer L2, and nowel sets sand mold monomer L3, three sand mold monomers are stacked, and core is not stratified；The utility model by crossbeam backplate just casting, using three-cavity moulding casting technique, alleviate the problem of high-order rising head is to low level riser feeding, the waste of molten steel is reduced, and rising head sets quantity to reduce, casting of appearance of cast destruction is reduced, the manual polishing rising head 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 mould of gyratory crusher crossbeam backplate

Technical field

The utility model is related to casting technology field, more specifically to a kind of gyratory crusher crossbeam backplate Casting mould.

Background technology

In the industry such as metallurgy, building, chemical building material, mine, refractory material, it is necessary to the hardness such as magnesia, alumine compared with Big ore is crushed and crushed, and especially refractories industry is higher to crushing granularity requirement, it is desirable to which particle is uniform, corner angle circle Slide, without sheet-like particle, condition is good.Gyratory crusher is the turning motion in housing inner cone chamber using broken cone, to material Produce extruding, splitting and flecition, the ore of the various hardness of coarse crushing or the Large Crusher tool of rock, thus it is metallurgical, build Build, the field such as mine is used widely.

Crossbeam backplate is an important component of gyratory crusher, is formed by casting.As shown in figure 1, being one kind The crossbeam backplate of gyratory crusher, it 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 screwed hole etc..In the prior art, by It is big in crossbeam backplate volume weight, it is complicated, it is exactly the defects such as easy generation casting crack first in casting, manufactures and add Work is difficult；Secondly, it is in shape as shown in Figure 2 that prior art, which upside down crossbeam backplate after casting, i.e. crossbeam backplate casting pouring are unpacked, State, upside down one benefit of casting is exactly that whole casting is all placed on nowel, and casting mold is very simple, and 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 lacks there is also very prominent simultaneously Fall into, first, upside down casting beam backplate casting, respectively setting 3 is used to install rising head in the both sides of casting body 1 according to needs are calculated Rising head seat 6, sets 4 rising head seats 6, and set 1 installation larger at casting arc structure 2 at casting sector structure 3 The rising head seat 6 of rising head, rising head sets quantity more, then after corresponding remove feeders, and rising head residual will be a lot, rising head residual Outward appearance destruction to casting can be very big, and each rising head residual subsequently will manually polish, and undoubtedly waste time and energy very much, people Work cost is high；On the other hand, casting beam backplate casting is upside down, the thickness of casting is most of in bottom, and this is also in casting circular arc The reason for needing to set 1 larger rising head at structure 2, in casting process, while the larger rising head is feeding a casting, it is certainly Body is also required to feeding, thus is accomplished by high-order rising head for low level riser feeding, that is, some molten steel is not used to feeding Casting, but for the rising head of feeding bottom, 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 the overall bushing of gyratory crusher main shaft, this application case comprises the following steps：A, pouring position： Using upright casting mode；B, formative method：Using manual box moulding, entity apperance；C, shrinkage factor：Shrinkage factor is set to 2.8%；D、 Feeder Design：Using taper feeder head with, two layers of arrangement, i.e. one layer of top are middle one layer；E, Design of Runner System：Using list Bag diplopore, circular cross-runner, the running gate system of double-deck ingate；F, Modeling Material：Molding sand, core sand use 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；Should Application case, which is solved in the presence of the casting of the overall bushing of gyratory crusher main shaft, easily there is scab, crackle, shrinkage cavity defect And cast the problem of difficulty is big.But this application case is designed primarily directed to the design feature of the overall bushing of gyratory crusher main shaft 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 is 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 is August in 2013 9, and invention and created name is：Hydraulic injection molding machine oil internal-circulation type solid plate Although the technical schemes 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 mentioned problem that technique is present, not yet retrieves effective scheme.

Utility model content

1. the utility model technical problem to be solved

The purpose of this utility model is to overcome what existing gyratory crusher crossbeam backplate casting technique was present：1) rising head Residual is more, influences the crossbeam backplate visual quality of casting, and manual polishing is wasted time and energy；2) because high-order rising head need to be mended to low level rising head Contracting, causing the problem of molten steel is wasted, there is provided a kind of casting mould of gyratory crusher crossbeam backplate；The utility model is by horizontal stroke Beam backplate just casting, using three-cavity moulding casting technique, alleviate the problem of high-order rising head is to low level riser feeding, reduce The waste of molten steel, and rising head sets quantity to reduce, casting of appearance of cast destruction is reduced, and the manual polishing rising head residence time shortens, and is saved Cost of labor, shortens the production cycle, the crossbeam backplate visual quality of casting is also guaranteed.

2. technical scheme

To reach above-mentioned purpose, the technical scheme that the utility model is provided is：

A kind of casting mould of gyratory crusher crossbeam backplate of the present utility model, including internal core and outside Sand mold, forms die cavity between core and sand mold, the sand mold according to crossbeam backplate pouring position just place design, crossbeam shield The sand mold of plate is divided into tri- sand mold monomers of L1, L2 and L3 from top to bottom, and top box sets sand mold monomer L1, and raising middle flask sets sand mold list Body L2, nowel sets sand mold monomer L3, and three sand mold monomers are stacked, and core is not stratified；Described sand mold monomer L1, L2 and L3 It is 1 in the height ratio of vertical direction:(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, described core includes No. 1 main core, No. 2 main cores, pore structure core and core print, No. 1 main sand Core and No. 2 main cores are fixed on core print, and No. 1 main core and No. 2 main pastings of core are integrated, described pore structure pasting of core In on No. 2 main cores.

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

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

Further, No. 1 described main core and No. 2 main sand core internals are filled with yielding thing, and the yielding thing is Straw rope, wood chip or foam.

Further, described casting mould is provided with 3 according to crossbeam backplate volume on the big muscle of crossbeam backplate Rising head, is provided with 2 rising heads in the sector structure of crossbeam backplate, and 2 rising heads are located at casting body both sides.

Further, 3 rising heads set on the big muscle of crossbeam backplate use RND350 feeder head withs, in crossbeam shield 2 rising heads set in the sector structure of plate use RND120 feeder head withs.

3. beneficial effect

The technical scheme provided using the utility model, compared with existing known technology, with following remarkable result：

(1) casting mould of a kind of gyratory crusher crossbeam backplate of the present utility model, its sand mold is according to crossbeam backplate Pouring position just place design, i.e. crossbeam backplate just casting, relative to the technique that traditional crossbeam backplate upside down casting, exchange The thickness of direction rear cross beam backplate casting is most of on top, then by setting 3 rising heads on the big muscle of crossbeam backplate, rising head is straight The most of feeding of thickness for crossbeam backplate is connect, feeding efficiency is improved, and high-order rising head without to low level riser feeding, saving again The use of molten steel；

(2) casting mould of a kind of gyratory crusher crossbeam backplate of the present utility model, the crossbeam obtained with reference to calculating Backplate just molten steel amount needed for casting, and improve feeding efficiency, 3 RND350 necking downs be provided with the big muscle of crossbeam backplate Rising head, is provided with 2 RND120 feeder head withs in the sector structure of crossbeam backplate, needs 11 rising heads to be kept to from traditional handicraft 5 rising heads are only needed to, the human and material resources of consumption needed for follow-up remove feeders and manual grinding are saved, cost of labor is dropped Low, the crossbeam backplate visual quality of casting is also guaranteed；

(3) casting mould of a kind of gyratory crusher crossbeam backplate of the present utility model, by the sand mold of crossbeam backplate from Up to it is divided into three sand mold monomers down, is respectively arranged in sandbox, using three casees solid modelling of Combined type sand box, and by calculating Machine is simulated, and determines the die joint between three sand mold monomers, it is to avoid whole casting is arranged in into top box, due to crossbeam backplate volume Greatly, highly high and complicated, core is higher by die joint and there are about 1.6m, and core crushing, molding sand easily occur during lower core and 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 present utility model, it is in No. 1 main core away from 2 The side of number main core is provided with a dove-tail form guide frame, and there is a gradient guide frame two side, and staff can Core is smoothly transferred by the guide frame, it is to avoid pore structure core set on core etc. touches side during lower core Sand mold and be damaged, improve core decentralization speed；

(5) casting mould of a kind of gyratory crusher crossbeam backplate of the present utility model, it is in No. 1 main core and No. 2 Main sand core internal is filled with straw rope, wood chip or foam and makes a concession thing, adds the deformability of core, makes crossbeam backplate casting substantially Free shrink is reached, the structure property of crossbeam backplate casting is greatly improved；

(6) a kind of casting mould of gyratory crusher crossbeam backplate of the present utility model, process engineering science is closed Reason, is easy to operation to implement, and the crossbeam backplate visual quality of casting that casting is obtained is good, and is not likely to produce the defects such as casting crack, has There is very high application value.

Brief description of the drawings

Fig. 1 is the structural representation for the crossbeam backplate that the utility model need to be cast；

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

Fig. 3 is that casting technique middle cross beam backplate casting pressing port of the present utility model sets schematic diagram；

Fig. 4 is Fig. 3 side view；

Fig. 5 is the schematic diagram that the utility model middle cross beam backplate casting is combined with core；

Fig. 6 is the structural representation of No. 1 main core in the utility model；

Fig. 7 is the structural representation of No. 2 main cores in the utility model.

Label declaration in schematic diagram：

1st, casting body；2nd, arc structure；3rd, sector structure；4th, big muscle；5th, pore structure；6th, rising head seat；7th, lacing wire；8th, emit Mouthful；91st, No. 1 main core；911st, side wall；92nd, No. 2 main cores；93rd, pore structure core；94th, core print.

Embodiment

To further appreciate that content of the present utility model, the utility model 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, rising head residual is more, influence crossbeam shield The plate visual quality of casting, and manual polishing wastes time and energy, needs high-order rising head to low level riser feeding, causes what molten steel wasted to ask Topic, present embodiments provides a kind of casting mould of gyratory crusher crossbeam backplate, including internal core and outside sand Type, forms die cavity between core and sand mold, crossbeam backplate is turned direction by the relatively conventional technique of the present embodiment, 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 is so-called Just, state as shown in Figure 2 is so-called upside down.

The present embodiment upside 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 rising head is directly against the most of feeding of thickness of crossbeam backplate, and feeding efficiency improves, and high-order rising head without 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 top box sets sand mold monomer L1, and raising middle flask sets sand mold monomer L2, Nowel sets sand mold monomer L3, namely top box to set the crossbeam backplate sand mold on die joint top between L1 and L2 shown in Fig. 4, raising middle flask Crossbeam backplate sand mold between two die joints shown in Fig. 4 is set, and nowel sets the crossbeam of die joint bottom between L2 and L3 shown in Fig. 4 Backplate sand mold, three sand mold monomers are stacked, and 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 It is mainly big, highly high and complicated in view of crossbeam backplate volume with three casees solid modellings of Combined type sand box, crossbeam is protected Plate just after casting, such as use two casees traditional casting techniques, whole casting is arranged in top box, core will be higher by die joint about 1.6m, and sand core structure is complicated, and core crushing is easily produced in mould assembling operation, the situation that molding sand is touched down, and the height of top box Degree undoubtedly can be very high, is not easy to handling of driving a vehicle, staff can only see 3 rising heads of top box from eminence in mould assembling, It is not easy to very much adjustment.Therefore, 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 Very high, be easy to drive a vehicle handling, two come due to raising middle flask moulding be crossbeam backplate center section, be also that structure is most complicated Part, staff can almost see the die cavity of a whole circle between 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 optimal point between three sand mold monomers Type face, i.e., described sand mold monomer L1, L2 and L3 is 1 in the height ratio of vertical direction:(2~2.3):(1~1.2), most favorably In mould assembling and follow-up cast, the present embodiment is particularly limited as height ratios of sand mold monomer L1, L2 and the L3 in vertical direction For 1:2:1.

Referring to Fig. 5, Fig. 6 and Fig. 7, described core includes No. 1 main core 91, No. 2 main cores 92, the and of pore structure core 93 94, No. 1 main core 91 of core print and No. 2 main cores 92 are fixed on core print 94, and No. 1 main core 91 and No. 2 main cores 92 are made respectively Make, later stage bonding is integrated, and described pore structure core 93 is bonded on No. 2 main cores 92.The present embodiment is by No. 1 main core 91 Made respectively with No. 2 main cores 92, later stage recombinant is integrated, and is easy to core to make, be also beneficial to smoothly play core.And in view of horizontal The wooden partition at some positions of beam backplate is relatively thin, and the die cavity only between 70mm or so, namely core and sand mold only has 70mm or so, right In volume is larger and baroque crossbeam backplate core for, core position how is adjusted during lower core so that such as hole These the small structures of structure core 93 are unlikely to be touched side sand mold and is damaged, and the present embodiment is in No. 1 main core 91 away from No. 2 masters The side of core 92 is provided with a guide frame, and the guide frame is designed 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, it is to avoid pore structure core set on core etc. touches side sand mold and is damaged during lower core, improves core Transfer speed.

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

Referring to Fig. 3, the casting mould of the present embodiment is according to crossbeam backplate volume, with reference to calculating obtained crossbeam backplate just Molten steel amount needed for casting, and feeding efficiency is improved, 3 rising heads 8,3 rising heads 8 are provided with the big muscle 4 of crossbeam backplate Using RND350 feeder head withs, 2 rising heads 8 are provided with the sector structure 3 of crossbeam backplate, 2 rising heads 8 are located at casting body 1 both sides, 2 rising heads 8 set in the sector structure 3 of crossbeam backplate use RND120 feeder head withs.The present embodiment is from tradition Technique needs 11 rising heads to be kept to only need to 5 rising heads, the manpower of consumption needed for saving follow-up remove feeders and manual grinding, Material resources, cost of labor is 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: using modulus calculation and the simulation of computer casting solidification determine crossbeam backplate just casting when, rising head 8 is set Seated position and size, i.e., set 3 RND350 feeder head withs, in the sector structure 3 of crossbeam backplate 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 core and sand mold, No. 1 main core 91, No. 2 main cores 92, the pore structure cores 93 of the core Made respectively with core print 94, bond and be integrated when lower core is operated, using three casees solid modellings of Combined type sand box.

Step 4: after being poured into a mould through mould assembling, unpacking and carrying out knockout processing and rising head cutting, be then heat-treated and rising head Residual polishing.

Casting method described in the present embodiment, process engineering is scientific and reasonable, is easy to operation to implement, and casts obtained horizontal stroke The beam backplate visual quality of casting is good, and is not likely to produce the defects such as casting crack, has highly application value.

Embodiment 2

A kind of casting mould of gyratory crusher crossbeam backplate of the present embodiment, basic be the same as Example 1 is different It is that sand mold monomer L1, L2 and L3 is 1 in the height ratio of vertical direction in the present embodiment:2.3:1.2.

Embodiment 3

A kind of casting mould of gyratory crusher crossbeam backplate of the present embodiment, basic be the same as Example 1 is different It is that sand mold monomer L1, L2 and L3 is 1 in the height ratio of vertical direction in the present embodiment:2.1:1.1.

Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.

Claims (9)

1. a kind of casting mould of gyratory crusher crossbeam backplate, including internal core and outside sand mold, core and sand Die cavity is formed between type, it is characterised in that：The sand mold according to crossbeam backplate pouring position just place design, the crossbeam backplate Sand mold be divided into tri- sand mold monomers of L1, L2 and L3 from top to bottom, top box sets sand mold monomer L1, and raising middle flask sets sand mold monomer L2, nowel sets sand mold monomer L3, and three sand mold monomers are stacked, and 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).

2. a kind of casting mould 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 mould of gyratory crusher crossbeam backplate according to claim 1 or 2, it is characterised in that：Institute The core stated includes No. 1 main core (91), No. 2 main cores (92), pore structure core (93) and core print (94), No. 1 main core (91) it is fixed on No. 2 main cores (92) on core print (94), No. 1 main core (91) and No. 2 main core (92) bondings are integrated, institute The pore structure core (93) stated is bonded on No. 2 main cores (92).

4. a kind of casting mould of gyratory crusher crossbeam backplate according to claim 3, it is characterised in that：Described Side of No. 1 main core (91) away from No. 2 main cores (92) is provided with a guide frame, and the guide frame is designed in dove-tail form.

5. a kind of casting mould of gyratory crusher crossbeam backplate according to claim 4, it is characterised in that：Described Guide frame two side (911) sets gradient, and specially the lower width of guide frame is more than upper width.

6. a kind of casting mould of gyratory crusher crossbeam backplate according to claim 5, it is characterised in that：Described No. 1 main core (91) and No. 2 main cores (92) are internal filled with thing is made a concession, and the yielding thing is straw rope or wood chip.

7. a kind of casting mould of gyratory crusher crossbeam backplate according to claim 3, it is characterised in that：Described Casting mould is provided with 3 rising heads (8), in the fan of crossbeam backplate according to crossbeam backplate volume on the big muscle (4) of crossbeam backplate 2 rising heads (8) are provided with shape structure (3), 2 rising heads (8) are located at casting body (1) both sides.

8. a kind of casting mould of gyratory crusher crossbeam backplate according to claim 7, it is characterised in that：In crossbeam 3 rising heads (8) set on the big muscle (4) of backplate use RND350 feeder head withs, are set in the sector structure (3) of crossbeam backplate 2 rising heads (8) put use RND120 feeder head withs.

9. a kind of casting mould of gyratory crusher crossbeam backplate according to claim 6, it is characterised in that：Described Casting mould is provided with 3 rising heads (8), in the fan of crossbeam backplate according to crossbeam backplate volume on the big muscle (4) of crossbeam backplate 2 rising heads (8) are provided with shape structure (3), 2 rising heads (8) are located at casting body (1) both sides；Wherein, in the big of crossbeam backplate 3 rising heads (8) set on muscle (4) use RND350 feeder head withs, 2 set in the sector structure (3) of crossbeam backplate Rising head (8) uses RND120 feeder head withs.