CN204524232U - Potassium steel rolled mortar wall foundry goods rapid sequential coagulation system - Google Patents

Potassium steel rolled mortar wall foundry goods rapid sequential coagulation system Download PDF

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Publication number
CN204524232U
CN204524232U CN201520235809.2U CN201520235809U CN204524232U CN 204524232 U CN204524232 U CN 204524232U CN 201520235809 U CN201520235809 U CN 201520235809U CN 204524232 U CN204524232 U CN 204524232U
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China
Prior art keywords
foundry goods
rolled mortar
mortar wall
cold mould
pony sill
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Withdrawn - After Issue
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CN201520235809.2U
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Chinese (zh)
Inventor
高宗为
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Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
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Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
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Priority to CN201520235809.2U priority Critical patent/CN204524232U/en
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Abstract

The utility model discloses a kind of potassium steel rolled mortar wall foundry goods rapid sequential coagulation system, comprise cope, core and base, the in-built core of cope, the bottom of cope is fixedly connected with base, and base comprises pony sill and cold mould, pony sill forms a cannelure, this cannelure loads cold mould, and cold mould forms annular flow channel, and this water stream channel is communicated with water inlet pipe and outlet pipe, during work, the cooling surface of cold mould is close to the inner chamber working face of foundry goods.It is tiny and without shrinkage cavity and porosity, cast sturcture without dreg defect that the utility model potassium steel rolled mortar wall foundry goods quick solidification apparatus ensure that the important process position of rolled mortar wall particularly rolled mortar wall obtains crystal grain in casting process.

Description

Potassium steel rolled mortar wall foundry goods rapid sequential coagulation system
Technical field
The utility model belongs to plant equipment manufacturing technology field, is specifically related to a kind of potassium steel rolled mortar wall foundry goods rapid sequential coagulation system.
Technical background
Gyratory crusher is that the industrial departments such as metallurgy, chemical industry, building materials, water power, mine, transport development carry out a kind of plant equipment broken and in small, broken bits to the various ore of different hardness or rock, has the features such as structure is reliable, smooth running, production efficiency are high, easy to adjust, product granularity is even.As shown in Figure 1, wherein, part 1 ' is rolled mortar wall to its operation principle, part 2 ' crushing wall, part 3 ' are bevel gear, part 4 ' is eccentric swing mechanism.
In disintegrating machine, rolled mortar wall and crushing wall are two critical components in equipment operation process, during disintegrating machine work, these two workpiece are subject to extruding, the impact of broken material and wear and tear, thus lose efficacy rapidly, therefore the quality of its working life decision device and operating efficiency, improve the making quality of rolled mortar wall and crushing wall, particularly improve its wearability, thus working life, the operating efficiency of disintegrating machine can be improved, and reduce equipment loss.
Rolled mortar wall structure is as shown in Fig. 2 a, 2b, and A portion is its important process position.Rolled mortar wall in use needs good shock resistance and wear resistance, therefore the method that conventional high manganese steel material carries out casting produces rolled mortar wall, but potassium steel is a kind of essential coarse grained metal material, and because heat treatment process is without phase transformation, heat treatment crystal grain thinning cannot be passed through, so high manganese steel casting is except requiring that foundry goods is without shrinkage cavity, shrinkage porosite, outside the casting flaws such as field trash, grain size size in casting original structure produces important impact to foundry goods shock resistance and anti-wear energy, for rolled mortar wall, acquisition crystal grain is tiny, without the cast sturcture of the defect such as shrinkage cavity shrinkage porosity and slag inclusion, it is the difficult problem in foundry production.
In existing rolled mortar wall casting process scheme, what the most generally adopt is sand casting technology, Fig. 3 a, 3b show two kinds of different founding method, in Fig. 3 a, 3b, 1 '-running gate system, 2 '-feeding head, 3 '-molding sand, 4 '-rolled mortar wall (foundry goods), 5 '-cope, 6 '-drag box.In Fig. 3 a, identical when orientation during rolled mortar wall casting and work, working position is in foundry goods bottom, but because working position foundry goods is thicker, foundry goods top is thinner, and when solidifying, foundry goods top is first solidified, bottom after coagulation, owing to can not get the feeding of upper metal during the after coagulation of bottom, shrinkage cavity shrinkage porosity must be produced in working position, foundry goods bottom.Therefore, inevitably there is shrinkage porosity defect of contraction cavity in foundry goods working position, affects serviceability and working life.
In Fig. 3 b, foundry goods working position upward, rising head is utilized to carry out feeding to foundry goods working position, foundry goods consecutive solidification from bottom to up can be realized, foundry goods is avoided to produce shrinkage porosity defect of contraction cavity, but because foundry goods working position is upper and contact with rising head, according to metal freezing principle, Inclusions During Solidification of Steel upwards floats, and this characteristic is assembled at field trash final set position.Then foundry goods working position field trash is many, and now the important process position of foundry goods is on foundry goods top, belongs to final set position, and the casting solidification time is long, thus coarse grains.Therefore, foundry goods working position possibility is without shrinkage porosity defect of contraction cavity, but because of coarse grains, field trash is many, and shock resistance during foundry goods work and wear resistance must be poor.
Utility model content
Can from above analysis, simple sand casting is difficult to obtain high-quality potassium steel rolled mortar wall foundry goods, for solving this casting difficult problem, the utility model provides a kind of potassium steel rolled mortar wall foundry goods quick solidification apparatus, and it is tiny and without shrinkage cavity and porosity, cast sturcture without dreg defect that the utility model ensure that the important process position of rolled mortar wall particularly rolled mortar wall obtains crystal grain in casting process.
For achieving the above object, the utility model takes following technical scheme: potassium steel rolled mortar wall foundry goods rapid sequential coagulation system, comprises cope, core and base, the in-built core of cope, the bottom of cope is fixedly connected with base, base comprises pony sill and cold mould, and pony sill forms a cannelure, and this cannelure loads cold mould, cold mould forms annular flow channel, this water stream channel is communicated with water inlet pipe and outlet pipe, and during work, the cooling surface of cold mould is close to the inner chamber working face of foundry goods.
Preferably, inwards not closing of the water stream channel of cold mould, this inwards mouth sealed by the outer wall of the inner cylinder of pony sill.
Preferably, be fixedly connected with between cold mould with pony sill by several bolt, bolt upwards stretches through to the base of cold mould from the bottom of pony sill.
Preferably, water inlet pipe, outlet pipe respectively from the external world by stretching into the water stream channel of cold mould after pony sill, water inlet pipe and water outlet pipe part are in relative both sides.
Preferably, the portion of touching between cold mould and pony sill loads two sealing rings, and two sealing rings are in inwards mouth top, the bottom of the water stream channel of cold mould respectively.
Preferably, load push pedal between the outer ring of cold mould and the exterior circular column of pony sill, during work, the lower surface of foundry goods is affixed on the top of push pedal; Several push rod stretches into movably from the bottom of pony sill, rectifies the lower surface to push pedal in it, can upwards pushing tow push pedal.
Preferably, the lower surface of cope fits in the upper surface of pony sill, and both have locating hole accordingly, by alignment pin firm position.
Preferably, core, by the Internal hole positioning of core print and pony sill, forms the upper part inner-cavity structure of rolled mortar wall, the pre-buried running gate system of core and rising head.
The utility model relates to a kind of novel technique device of important foundry goods on a kind of gyratory crusher-rolled mortar wall casting, this technical scheme is compared with existing sand casting technology, adopt at foundry goods important process position and force cooling technology, while making foundry goods significant points obtain fine grain structure in process of setting, achieve consecutive solidification, avoid foundry goods to produce shrinkage cavity and porosity and inclusion defects, fundamentally solve the quality of rolled mortar wall casting.The results showed, the rolled mortar wall that this technical scheme is produced, its service life is 1.5 ∽ 2 times of ordinary sand casting method.
Accompanying drawing explanation
Fig. 1 is gyratory crusher fundamental diagram.
Fig. 2 a, 2b are rolled mortar wall structure charts.
Fig. 3 a, 3b are two kinds of existing schemes of rolled mortar wall sand casting.
Fig. 4 is the utility model device production structure schematic diagram.
Fig. 5 is the assembling relationship figure of base and Tui Song mechanism.
Fig. 6 a, 6b are the assembly relation STRUCTURE DECOMPOSITION figure of base and Tui Song mechanism.
Fig. 7 a, 7b are cast outer mold structure figure.
Fig. 8 a, 8b are cope moulding construction drawings.
Fig. 9 a, 9b are core construction drawings.
Figure 10 a, 10b are core box structure charts.
Figure 11 is that foundry goods pushes away loose state diagram.
In Fig. 4-11,1-water inlet pipe, 2-bolt, 3-sealing ring, 4-running gate system, 5-core, 6-rising head, 7-outlet pipe, 8-push rod, 9-pony sill, 10-alignment pin, 11-push pedal, 12-cold mould, 13-rolled mortar wall (foundry goods), 14-cope, 15-foam hanger, 16-moulding external mold, 17-molding sand, 18-coremaking heap sand, 19-core box, 20-coremaking base plate, 21-clamp wedge.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model preferred embodiment is elaborated.
As shown in Figure 4, the present embodiment device comprises cope 14, core 5, base and Tui Song mechanism, base comprises pony sill 9 and cold mould 12, pony sill 9 forms a cannelure 9-1, this cannelure loads cold mould 12, inwards untight annular flow channel 12-1 is formed inside cold mould 12, the inwards mouth of water stream channel is sealed by the outer wall of the inner cylinder 9-2 of pony sill 9, be fixedly connected with by several bolt 2 between cold mould 12 with pony sill 9, bolt 2 upwards stretches through to the base of cold mould 12 from the bottom of pony sill 9.The portion of touching between cold mould 12 and pony sill 9 loads sealing ring 3, and sealing ring 3 can fill two, is in the inwards mouth top and the bottom of the water stream channel 12-1 of cold mould 12 respectively.The outer wall upward of cold mould 12 and rolled mortar wall (foundry goods) 13 descend outer wall suitable inwardly.
Water inlet pipe 1, outlet pipe 7 respectively from the external world by stretching into the water stream channel 12-1 of cold mould 12 after pony sill 9, water inlet pipe 1 is in relative both sides with outlet pipe 7.
Push pedal 11 is loaded between the outer ring of cold mould 12 and the exterior circular column 9-3 of pony sill 9.The upper surface of the upper surface of cold mould 12 and the inner cylinder 9-2 of pony sill 9 maintains an equal level, and the upper surface of the upper surface of push pedal 11 and the exterior circular column 9-3 of pony sill 9 maintains an equal level.The lower surface of rolled mortar wall (foundry goods) 13 is affixed on the top of push pedal 11.Several push rod 8 stretches into movably from the bottom of pony sill 9, rectifies the lower surface to push pedal 11 in it, thus can upwards pushing tow push pedal 11.
The lower plane of cope 14 and the upper surface of pony sill 9 are fitted, and both have locating hole accordingly, are located by alignment pin 10.
Core 5 is located by the endoporus 9-4 of core print 5-1 and pony sill 9, and form the upper part inner-cavity structure of rolled mortar wall, the pre-buried running gate system 4 of core 5 and rising head 6, running gate system 4 and rising head 6 all extend to the shaping place of foundry goods 13.
Cold mould 12 forms pressure cooling system by water inlet pipe 1, outlet pipe 7, and in casting solidification process, rolled mortar wall under gravity inner chamber working face is close to cold mould cooling surface, impels cold mould to continue to keep the cooling capacity in rolled mortar wall process of setting.
Cold mould 12 is made by pure copper material, has good thermal conductivity factor.Forming foundry goods forces the cold mould 12 of cooling effect to be linked together by connecting bolt and sealing ring and pony sill, makes foundry goods while important process position acquisition small grains, realizes solidifying, avoid shrinkage porosity defect of contraction cavity.
Tui Song mechanism installs in the base, and it comprises push rod and push pedal, and as shown in Figure 5, its three-dimensional assembly relation is as shown in Fig. 6 a, 6b for the assembly relation of base and Tui Song mechanism.
Cope is by the direct moulding of external mold, and external mold is corresponding with rolled mortar wall external form, adopts metal pattern, its structure as shown in Fig. 7 a, 7b, filling moulding after cover cope, in die cavity, the hanger of rolled mortar wall adopts foam loose piece 15, foam loose piece not delivery, at high temperature gasifies during cast.
Rising head 6 needed for technique and cast passage 4 are made up of corresponding insulating riser sleeve and refractory tube, and directly imbed in sand mold during moulding, modeling process is as shown in Fig. 8 a, 8b.
Core and cold mould form the inner-cavity structure of rolled mortar wall, wherein core forms the inner-cavity structure on rolled mortar wall top, running gate system is directly imbedded in core by refractory tube and is directly formed running gate system passage, and wherein sprue should centre in core, and corresponding with the refractory tube position of cope.
Core is by core box filling moulding, its molding operation is as shown in Fig. 9 a, 9b, and core box 19 structure is as shown in Figure 10 a, 10b, and core box is spliced relatively by halves, halves forms two corresponding lugs, and lug corresponding between two during moulding adopts wedge shape clamping plate 21 to clamp.
After base, core and cope mould assembling form die cavity, by running gate system casting of molten metal, when molten metal solidifies, because cold mould is under the effect of cooling water, keep lower temperature and powerful heat absorption capacity, make the thick wall part at rolled mortar wall important process position quick solidification under the effect of cold mould, to making bottom foundry goods because quick cooling also obtains higher degree of supercooling, according to the principle of dynamics of metal freezing, cooling velocity is faster, degree of supercooling is larger, and now crystal grain is more tiny, thus ensures that rolled mortar wall working position obtains tiny crystal grain.
Though foundry goods working position is thick wall part, but due to heat conduction and the heat absorption capacity also quick solidification of cold mould, and foundry goods top is because contacting with sand mold, the capacity of heat transmission and cooling capacity are all poor, solidify comparatively slow, thus can ensure to carry out consecutive solidification from bottom to up, there is good feeding capacity on top to bottom, final inclusion floating enters in inoperative position, foundry goods top and rising head, foundry goods working position is obtained without shrinkage cavity and porosity and inclusion defects tissue, and crystal grain is tiny.Thus, can ensure to obtain high-quality rolled mortar wall foundry goods.
When entering the contraction phase after casting solidification, because cold mould shrinks generation inhibition to foundry goods, therefore in base designs Tui Song mechanism, Tui Song mechanism is made up of push pedal 11 and push rod 8, and apply a thrust upwards to push rod during work, push rod 8 promotes a push pedal 11 upwards distance, foundry goods and cold mould are unclamped, as shown in figure 11, ensure foundry goods free shrink, prevent foundry goods from ftractureing.
Produce rolled mortar wall foundry goods by the utility model device, compared with traditional sand casting technology, have the following advantages:
1, foundry goods work crystal grain is tiny, avoids shrinkage cavity and porosity defect, avoids field trash in foundry goods working position, thus the casting quality produced by the utility model device is good, long service life, production practices show, its service life is 1.5 ~ 2 times of common sand-cast life-span of the same type.
2, in the utility model device, base is permanent structure, form the nowel of foundry goods, when casting and molding is produced, only need make cope and core, required molding operation is simple, molding sand use amount is few, its molding sand use amount only has below the half of ordinary sand casting, and therefore moulding expense is few, and cost is low.
3, can be reduced the labour intensity of workman by the utility model device, casting accuracy is higher simultaneously, is suitable for rolled mortar wall and produces in enormous quantities.

Claims (8)

1. potassium steel rolled mortar wall foundry goods rapid sequential coagulation system, comprise cope, core and base, the in-built core of cope, the bottom of cope is fixedly connected with base, it is characterized in that: base comprises pony sill and cold mould, pony sill forms a cannelure, this cannelure loads cold mould, and cold mould forms annular flow channel, and this water stream channel is communicated with water inlet pipe and outlet pipe, during work, the cooling surface of cold mould is close to the inner chamber working face of foundry goods.
2. potassium steel rolled mortar wall foundry goods rapid sequential coagulation system as claimed in claim 1, is characterized in that: inwards not closing of the water stream channel of cold mould, this inwards mouth sealed by the outer wall of the inner cylinder of pony sill.
3. potassium steel rolled mortar wall foundry goods rapid sequential coagulation system as claimed in claim 2, it is characterized in that: be fixedly connected with by several bolt between cold mould with pony sill, bolt upwards stretches through to the base of cold mould from the bottom of pony sill.
4. the potassium steel rolled mortar wall foundry goods rapid sequential coagulation system as described in any one of claim 1-3, is characterized in that: water inlet pipe, outlet pipe respectively from the external world by stretching into the water stream channel of cold mould after pony sill, water inlet pipe and water outlet pipe part are in relative both sides.
5. the potassium steel rolled mortar wall foundry goods rapid sequential coagulation system as described in any one of claim 1-3, it is characterized in that: the portion of touching between cold mould and pony sill loads two sealing rings, two sealing rings are in inwards mouth top, the bottom of the water stream channel of cold mould respectively.
6. the potassium steel rolled mortar wall foundry goods rapid sequential coagulation system as described in any one of claim 1-3, it is characterized in that: load push pedal between the outer ring of cold mould and the exterior circular column of pony sill, during work, the lower surface of foundry goods is affixed on the top of push pedal; Several push rod stretches into movably from the bottom of pony sill, rectifies the lower surface to push pedal in it, can upwards pushing tow push pedal.
7. the potassium steel rolled mortar wall foundry goods rapid sequential coagulation system as described in any one of claim 1-3, is characterized in that: the lower surface of cope fits in the upper surface of pony sill, and both have locating hole accordingly, by alignment pin firm position.
8. the potassium steel rolled mortar wall foundry goods rapid sequential coagulation system as described in any one of claim 1-3, is characterized in that: core, by the Internal hole positioning of core print and pony sill, forms the upper part inner-cavity structure of rolled mortar wall, the pre-buried running gate system of core and rising head.
CN201520235809.2U 2015-04-17 2015-04-17 Potassium steel rolled mortar wall foundry goods rapid sequential coagulation system Withdrawn - After Issue CN204524232U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104759606A (en) * 2015-04-17 2015-07-08 浙江机电职业技术学院 Rapid progressive solidification technique device for high manganese steel rolling mortal wall casting
CN110899671A (en) * 2019-12-09 2020-03-24 马鞍山市黎明天工自动化设备有限公司 Casting solidification control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104759606A (en) * 2015-04-17 2015-07-08 浙江机电职业技术学院 Rapid progressive solidification technique device for high manganese steel rolling mortal wall casting
CN110899671A (en) * 2019-12-09 2020-03-24 马鞍山市黎明天工自动化设备有限公司 Casting solidification control method

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Granted publication date: 20150805

Effective date of abandoning: 20170503

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