CN105458225B - A kind of bimetallic alloy hammers casting method into shape - Google Patents
A kind of bimetallic alloy hammers casting method into shape Download PDFInfo
- Publication number
- CN105458225B CN105458225B CN201410451372.6A CN201410451372A CN105458225B CN 105458225 B CN105458225 B CN 105458225B CN 201410451372 A CN201410451372 A CN 201410451372A CN 105458225 B CN105458225 B CN 105458225B
- Authority
- CN
- China
- Prior art keywords
- half module
- right half
- core
- mould
- rising head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 57
- 239000000956 alloy Substances 0.000 title claims abstract description 57
- 238000005266 casting Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 48
- 230000000630 rising effect Effects 0.000 claims abstract description 46
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 239000004576 sand Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000003110 molding sand Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 28
- 235000019353 potassium silicate Nutrition 0.000 claims description 21
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 14
- 239000001569 carbon dioxide Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 9
- 229910001018 Cast iron Inorganic materials 0.000 claims description 8
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims 1
- 238000005496 tempering Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 206010011376 Crepitations Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Abstract
The present invention proposes a kind of bimetallic alloy hammer one-shot forming foundry engieering, it is characterized in that the use of bimetallic alloy hammer metal mold for casting being casting external mold, mould bimetallic binding site sets insulation with groove, and mould inside installs internal densener, and running channel casting is unified using upper rising head；Metal die is made up of upper cap, left half module, right half module, internal densener, core, the part of matched moulds fixed mount six, and left and right half module is provided with insulation with groove, spout hole；Left half module has internal densener mounting hole and core mounting hole；Insulation belt, upper rising head and core first are made with molding sand when using, then internal densener is installed, fireproof coating is sprayed, matched moulds, sand loading core puts rising head, a complete bimetallic alloy hammer cast metal mould tool is formed.Bimetallic uses same running channel during present invention casting, and technique is simple, saving of work and time, save molten steel, is reused with mould, using a small amount of molding sand, saves production space, do not produce exhaust emission, do not cast dead angle the advantages of.
Description
Technical field
The invention belongs to casting field, be related to foundry engieering and metal die, specially a kind of bimetallic alloy hammer once into
Mold casting technology and metal die.
Background technology
At present, composite alloy hammer for hammer type crusher, including tup and hammer handle.Wherein, hammer handle is cast by mild steel, tup by
Rich chromium cast iron is cast, and many between tup and hammer handle to be composited with castingin, the brave mode of mechanical combination, Rong, casting mould is generally to disappear
Lost pattern casting, sand casting.Prior art makes alloy hammer（A of CN 102357387 etc.）There are several shortcomings：One is existing casting
Technology is generally that tup and hammer handle are cast respectively, is then combined again, complex process is time-consuming；Two be mostly to cast or adopt by several times
Molten steel is easily caused with running channel of biliquid two etc. to waste；Three be that existing foundry engieering easily produces exhaust emission environment, founding molding
The space place of occupancy is big, while producing a large amount of antiquated sands, reuses cumbersome；Four be casting cycle easily cause punching it is mixed,
With reference to defects such as bad, cold shut and crackles, cause tup and hammer handle bonding strength inadequate, it is easy to be broken, and tup
Model is bigger, more easy fracture.
The content of the invention
To solve the above problems, the present invention provides a kind of bimetallic alloy hammer one-shot forming foundry engieering and metal die,
It is achieved by the following technical solution：
A kind of bimetallic alloy hammers metal mold for casting into shape, by upper rising head, left half module, right half module, internal densener, core, conjunction
The part of mould fixed mount six is constituted, and left and right half module and upper riser metal part material are foundry iron, internal densener and matched moulds fixed mount
Material is mild steel, and core and upper rising head inner materials are molding sand.Upper riser metal part is square tubular, profile size and a left side
Half module, right half module merging upper back profile are in the same size, and inside makes square-shaped hopper shape with molding sand, and upper rising head is the double gold of biliquid
The unified sprue channel open of category, is also used as feeding；Size, shape that die cavity after left half module and the combination of right half module is hammered into shape according to alloy
Design determines that wherein tup is on top, and hammer handle is in bottom；Left half module and right half module are provided with one section in tup and hammer handle binding site
With groove is incubated, insulation belt gash depth is generally 1 centimetre, and width is 3-5 centimetres, the thickness and height root of the insulation belt of formation
The size hammered into shape according to alloy is suitably adjusted；Crevice place correspondence insulation belt centre position side is set after left half module, right half module merge
There is spout hole, spout hole respectively accounts for half on the half module of left and right and penetrates insulation belt and communicated with die cavity；Have below left half module insulation belt
Two internal densener mounting holes；The axis hole position of left half module bottom hammer handle is provided with core mounting hole；The axis hole of right half module bottom hammer handle
Position is provided with core locating slot；Left half module is being provided with the mould location column for matched moulds with the periphery of right half module contact surface, accordingly
The right half module in position is provided with the mould positioning hole for matched moulds；Internal densener top is circular shape, and bottom is square, lower weld two
There are two through holes being arranged above and below in the middle of the individual and supporting locating dowel of left half module internal densener mounting hole, internal densener, two up and down
The position of through hole should make after internal densener installation, and upper through hole is located at the tup part of die cavity, and lower through hole is located at hammer handle part,
Internal densener plays Quench and connection tup and acted on hammer handle simultaneously, and the thickness of internal densener is designed with big few size hammered into shape according to alloy
It is determined that；Core is made of molding sand, and profile is cylindric, and the making of water-glass sand method can be blown with carbon dioxide, and size is hammered into shape according to alloy
Shaft core determine；Matched moulds fixed mount fastens form using jackscrew, and the Left-side support frame interposition of fixed mount is equipped with openwork part, just
Jackscrew is installed for closing tight left and right half module in being inserted from there after matched moulds on core, Right side support frame.
A kind of bimetallic alloy hammers one-shot forming foundry engieering into shape, it is characterised in that used using the hammer casting of above-mentioned bimetallic alloy
Metal die is casting external mold, and mould bimetallic binding site is that tup sets insulation with groove, mould with hammer handle binding site
Internal densener is installed in inside, and running channel casting is unified using upper rising head, and its specific steps includes：
Step 1：Weight size requirements are hammered into shape according to alloy, set with reference to above-mentioned bimetallic alloy hammer metal mold for casting feature
Count the upper rising head for producing metal die, left half module, right half module, internal densener, the metal part of matched moulds fixed mount.
Step 2：Insulation belt is made, the bimetallic alloy hammer left and right half module of metal mold for casting is kept flat, the water mixed is taken
Glass sand fills up the reserved insulation with groove of mould, with instrument that water-glass sand is floating, removes unnecessary water-glass sand, makes water glass
Glass sand can not be defective and uneven place, the plane above and below mould insulation belt can not be higher by, then open up and set at insulation belt
The spout hole put, is hardened with carbon dioxide air blast, if metal die is just to have cast after product is taken apart also to have surplus heat
Reuse mould, water-glass sand can also dry using the waste heat of mould when casting hard without blowing carbon dioxide
Change.
Step 3：Rising head in making.Upper riser metal outs open is kept flat upward, center section is put to be hammered into shape according to alloy
The infundibulate sprue channel open mould of size pre-production, is located in the middle of rising head, and upper rising head is filled with the water-glass sand mixed,
Fill up it is floating after hardened with carbon dioxide air blast, take out rising head making in sprue channel open mould, completions.
Step 4：Make axis hole core.Shaft hole diameter size pre-production tubular core mold is hammered into shape according to alloy, filling is mixed
Then good water-glass sand hardened with carbon dioxide air blast, is opened core mold and is completed the making of axis hole core, or using conventional
The satisfactory axis hole core of fabrication techniques.
Step 5：Spray fireproof coating.Ready-made upper rising head, left half module, right half module cavity portion and core spray last layer is resistance to
Fiery coating, prevents casting sticking to mould and high-temperature molten steel mold damage.
Step 6：Combine metal die.Internal densener is installed on the left half module for completing above-mentioned preparation, the internal densener after installation
The center of die cavity should be located at, to prevent from deviateing, the chock pad for having measured size can be used between internal densener and left half module, internal densener
Extract chock after being installed in place out, then the mould location column on left half module is aligned to the mould positioning hole of right half module, merge
Left and right half module and being put into matched moulds fixed mount is held out against with jackscrew, notices that the core mounting hole of left half module is positioned over hollow out support one
Side, right half module is positioned over jackscrew side, and the axis hole core for then making step 4 is inserted from the core mounting hole of left half module, is inserted
Untill in the core mounting groove of right half module, then upper rising head is positioned over above the left and right half module of merging, the alignment of four sides, running channel
Center of the mouth just to die cavity, checks that internal densener, core, fireproof coating, spout hole, left and right half module crack, upper rising head are normally arrived
Position has no problem, and so far completes the combination of mould.
Step 7：Melting.Furnace charge is weighed to be put into smelting furnace by processing compound and heated, furnace charge is melted into liquid.This hair
It is bright to be related to double-fluid double metal casting, so using two electrosmelting of intermediate frequency, mild steel furnace charge, tapping temperature are put into a stove
Control is put into rich chromium cast iron furnace charge at 1600-1620 DEG C in another stove, tapping temperature is controlled at 1480-1500 DEG C.
Step 8：Casting.Low-carbon molten steel is poured slowly into from upper rising head, stops when molten steel flows out from spout hole, uses fire clay
Soil blocks spout hole, and rich chromium cast iron molten metal was poured slowly into again every 3-30 seconds, to stopping when filling upper rising head.On emit intraoral iron
Water is used for feeding.
Step 9：Die sinking is handled.After casting suitably cooling, matched moulds fixed mount jackscrew is unclamped, metal die is rapped i.e. removable
Left and right half module, naturally cools to and carries out simple process after environment temperature to casting, removes cast(ing) surface foreign matter, alloy hammer
Dead head feeding part, relief grinding burr and fash.
Step 10：Heat treatment.1000 DEG C of quenchings, 320 DEG C of tempers are carried out using routine techniques, the casting of alloy hammer is completed
Make.
The beneficial effects of the invention are as follows：A kind of bimetallic alloy hammer foundry engieering and metal die, compared with prior art, one
It is that need not repeat to make sand mo(u)ld, may be reused using metal die, improve mould utilization factor and service efficiency, save
Production space；Two are cast using upper running channel, are easy to observe inner case；Three be that double-fluid double metal uses same running channel, is saved
Molten steel；Four be alloy hammer tup hammer handle one-shot forming, makes easier operating procedure, saving of work and time, improves production efficiency；Five be gold
Belong to the setting of mould insulation belt, make the metallurgical binding of tup hammer handle binding site bimetal liquid more abundant, be less prone to cold shut
And crackle；Six be the chilling action that metal die absorbs heat plus internal densener in itself, can effectively improve the alloy of institute's cast alloy hammer
Density and hardness and do not easily cause tup and rushing for hammer handle molten metal is mixed；Seven be not have exhaust emission environmental problem, meets current
Environmentally friendly trend；Eight be to be not likely to produce casting dead angle finished product rate height, is not likely to produce substandard products and waste product.
Brief description of the drawings
Fig. 1 is upper rising head top view.
Fig. 2 is Figure 1A-A to sectional view.
Fig. 3 is Figure 1B-B to sectional view.
Fig. 4 is left half module front view.
Fig. 5 is Fig. 4 C-C to sectional view.
Fig. 6 is Fig. 4 top views.
Fig. 7 is right half module front view.
Fig. 8 is Fig. 7 D-D to sectional view.
Fig. 9 is Fig. 7 top views.
Figure 10 is internal densener front view.
Figure 11 is Figure 10 E-E to sectional view.
Figure 12 is Figure 10 upward views.
Figure 13 is core front view.
Figure 14 is Figure 13 F-F to sectional view.
Figure 15 is matched moulds fixed mount front view.
Figure 16 is Figure 15 G-G to sectional view.
Figure 17 is Figure 15 top views.
Figure 18 is metal die package assembly left view schematic diagram.
Figure 19 is metal die package assembly schematic top plan view.
Figure 20 is metal die package assembly schematic elevation view.
In figure：1. on rising head, 2. molding sand, sprue channel open on 3., 4. spout holes, 5. mould location columns, 6. insulation with grooves, 7.
Left half module, 8. internal densener mounting holes, 9. core mounting holes, 10. right half modules, 11. core locating slots, 12. mould positioning holes, 13.
Internal densener through hole, 14. internal denseners, 15. internal densener locating dowels, 16. cores, 17. matched moulds fixed mounts, 18. jackscrew mounting holes,
19. jackscrew.
Embodiment：
By the following description to embodiment, it will more contribute to the public understanding present invention, but can't should be by Shen
The specific embodiment for asking someone to provide is considered as the limitation to technical solution of the present invention, and any definition to part or technical characteristic is carried out
Change or form is made to overall structure and immaterial conversion is regarded as the protection domain limited inventive technique scheme.
Shown in Fig. 1 to Figure 20, bimetallic alloy hammer into shape metal mold for casting by upper rising head 1, left half module 7, right half module 10,
Internal densener 14, core 16, the part of matched moulds fixed mount 17 6 composition, left and right half module and the metal part material of upper rising head 1 are given birth to for casting
Iron, internal densener 14 and the material of matched moulds fixed mount 17 are mild steel, and core 16 and the inner materials of upper rising head 1 are water-glass sand.On emit
Mouthful 1 profile size and left half module 7, that right half module 10 merges upper back profile is in the same size.Inside carbon dioxide blows water-glass sand
Method makes sprue channel open 3 on square-shaped hopper shape；Die cavity after left half module 7 and right half module 10 combination is size, the shape hammered into shape according to alloy
Shape design determines that wherein tup is on top, and hammer handle is in bottom；Left half module 7 and right half module 10 are set in tup and hammer handle binding site
There is insulation with groove 6, connection spout hole 4 in insulation with groove 6 side can make the molten metal for exceeding spout hole flow out mould from die cavity
Tool；There are two internal densener mounting holes 8 the left lower section of the insulation of half module 7 with groove 6, and there is core mounting hole 9 the axis hole position of bottom hammer handle；
Left half module 7 is provided with the mould location column 5 for matched moulds with the right contact surface periphery of half module 10；The axis hole position of the right bottom hammer handle of half module 10
It is equipped with core locating slot 11；Right half module 10 is provided with the mould positioning hole 12 for matched moulds；The top of internal densener 14 is circular shape, under
Portion is to have two in the middle of square, two locating dowels 15 supporting with the left internal densener mounting hole 8 of half module 7 of lower weld, internal densener 14
The through hole 13 being arranged above and below, up and down the position of two through holes make internal densener 14 install after, upper through hole be located at die cavity hammer
Head point, lower through hole is located at hammer handle part, and the size that the thickness of internal densener 14 is hammered into shape with size according to alloy designs determination；Sand
Core 16 blown with carbon dioxide water-glass sand method be fabricated to it is cylindric；Matched moulds fixed mount 17 fastens form using jackscrew, fixed mount
Left-side support frame centre position is openwork part, is easy to after matched moulds insert core 16 from there, and Right side support frame is provided with jackscrew
Mounting hole 18, the screw thread of mounting hole and aperture and jackscrew are supporting, are closed left and right half module tightly by the rotary handle for rotating jackscrew.Under
Face is by taking the hammer casting of 11kg high-chromium alloy cast-irons as an example, and specific steps include：
Step 1：Hammered into shape and required according to 11kg alloys, metal mold for casting characteristic Design system is hammered into shape with reference to above-mentioned bimetallic alloy
The metal part of upper rising head 1 of metal die, left half module 7, right half module 10, internal densener 14, matched moulds fixed mount 17 are made, wherein being incubated
With groove is deep 1 centimetre, wide 3 centimetres.
Step 2：Insulation belt is made, left and right half module is kept flat, takes the water-glass sand mixed to fill up insulation with groove 6, recruitment
Tool is floating by water-glass sand, removes unnecessary water-glass sand, prevents water-glass sand from defective and uneven place, can not be high
The plane gone out above and below mould insulation belt, then opens up the spout hole 4 at insulation belt, is hardened with carbon dioxide air blast.
Step 3：Rising head in making.Keep flat the upper metal part of rising head 1 is opening up, center section is put to be hammered into shape according to alloy
The infundibulate sprue channel open mould of size pre-production, is located in the middle of rising head 1, and upper rising head is filled with the water-glass sand mixed
1, fill up the floating air blast of use carbon dioxide afterwards and harden, take out rising head 1 in sprue channel open mould, completion and make.
Step 4：Make axis hole core.Shaft hole diameter size pre-production tubular core mold is hammered into shape according to alloy, filling is mixed
Then good water-glass sand hardened with carbon dioxide air blast, and opening core mold completes axis hole core 16 and made.
Step 5：Spray fireproof coating.Ready-made upper rising head 1, left half module 7, the cavity portion of right half module 10 and core 16 are sprayed
One layer of fireproof coating, prevents casting sticking to mould and high-temperature molten steel mold damage.
Step 6：Combine metal die.Internal densener 14, the good size of usage amount are installed on the left half module 7 for completing above-mentioned preparation
Chock pad between internal densener 14 and left half module 7, internal densener 14 be installed in place after extract out chock, then by left half module 7
On mould location column 5 be directed at the mould positioning hole 12 of right half module 10, merge left and right half module and be simultaneously put into use in matched moulds fixed mount 17
Jackscrew 19 is held out against, and notices that the core mounting hole 9 of left half module is positioned over hollow out support side, right half module is positioned over the side of jackscrew 19,
Then the core mounting hole 9 of axis hole core 16 from left half module 7 is inserted into the core mounting groove 11 of right half module 10, is then emitted by
Mouth 1 is positioned over above the left and right half module of merging, the alignment of four sides, and center of the upper sprue channel open 3 just to die cavity checks internal densener 14, sand
The whether normal combination for so far completing mould in place of core 16, fireproof coating, spout hole 4, left and right half module crack, upper rising head 1.
Step 7：Melting.Furnace charge is weighed to be put into smelting furnace by processing compound and heated, furnace charge is melted into metal liquid,
The present embodiment uses in two middle frequency furnaces, a stove and is put into mild steel furnace charge（The mass fraction of carbon is 0.3-0.5%）, molten steel
Tapping temperature is controlled at 1600-1620 DEG C, and rich chromium cast iron furnace charge is put into another stove（The mass fraction of carbon is 2.6%-
2.9%, the mass fraction of chromium is 15%-20%）, the control of molten iron tapping temperature is at 1480-1500 DEG C.
Step 8：Casting.Sprue channel open 3 is poured slowly into low-carbon molten steel at upper rising head 1, when molten steel flows out from spout hole 4
Stop, blocking spout hole 4 with fire resisting soil, rich chromium cast iron water was poured slowly into from upper sprue channel open 3 again every 3-15 seconds, on filling
Stop during rising head 1.
Step 9：Die sinking is handled.After casting suitably cooling, matched moulds fixed mount jackscrew 19 is unclamped, metal die is rapped i.e. removable
Left and right half module is opened, mold temperature clears up left and right half module at 100 DEG C or so, then fill up and smear again in insulation with groove 6
Par glass sand, you can complete the making of insulation belt using the waste heat of mould, in case mould is used next time, can save making insulation
The step of band carbon dioxide is blown；Casting naturally cools to and carries out simple process after environment temperature to casting, removes casting
Superficial Foreign Body, alloy hammer dead head feeding part, relief grinding burr and fash.
Step 10：Heat treatment.1000 DEG C of quenchings, 320 DEG C of tempers are carried out using routine techniques, the casting of alloy hammer is complete
Into.
The Foundry Production of the larger 30-80kg high alloys hammer of the equally applicable hammer weight of the present invention.
The present invention is equally applicable the casting of high alloy steel hammer.
According to our company for many years knowhow and alloy hammer user use feedback, the present invention in same alloy content situation
Under, the density of casting alloy hammer, hardness, abrasion resistance, fused product of the layer metallurgical binding intensity than other casting techniques are high, make
It is not easy to break with long lifespan.
Claims (7)
1. a kind of bimetallic alloy hammers one-shot forming casting method into shape, it is characterised in that hammer mold for casting into shape using bimetallic alloy
Have to cast external mold, mould bimetallic binding site is that tup sets insulation with groove, mould inside peace with hammer handle binding site
Internal densener is filled, running channel casting is unified using upper rising head, its specific steps includes：
Step 1：Weight size requirements are hammered into shape according to alloy, bimetallic alloy hammer metal mold for casting is designed and produced；
Step 2：Make insulation belt；The water-glass sand mixed is taken to fill up the insulation belt ditch that bimetallic alloy hammers metal mold for casting into shape
Groove, water-glass sand is floating, remove unnecessary water-glass sand, open up the spout hole set at insulation belt, blown with carbon dioxide
Method is hardened；The size that the thickness and height of insulation belt are hammered into shape according to alloy is determined；
Step 3：Rising head in making；The infundibulate sprue channel open mould of size pre-production is hammered into shape according to alloy, with the waterglass mixed
Sand is filled in metal part between rising head and infundibulate sprue channel open mould, is hardened with carbon dioxide air blast, is produced funnel
Rising head on shape molding sand；
Step 4：Make axis hole core；Shaft hole diameter size is hammered into shape according to alloy and is fabricated to circle with water-glass sand carbon dioxide air blast
Column axis hole core；
Step 5：Spray fireproof coating；Rising head, left half module, right half module cavity portion and core on molding sand have been sprayed into fireproof coating, prevented
Only casting sticking to mould and high-temperature molten steel mold damage；
Step 6：Combine metal die；On the basis of above-mentioned preparation, internal densener is installed in the internal densener mounting hole of left half module,
Internal densener is located at the center of die cavity, by left half module, right half module to quasi merger, be put into matched moulds fixed mount and held out against with jackscrew, will
The axis hole core that step 4 makes is inserted into the core mounting groove of right half module by left half module core mounting hole, by metal part
Rising head is positioned on the left and right half module of merging on rising head and molding sand, the alignment of four sides, checks internal densener, core, fireproof coating, overflow
Hole, left and right half module crack, upper rising head have no problem, and complete the combination of mould；
Step 7：Melting；Rich chromium cast iron, mild steel raw material are weighed by processing compound to be respectively put into two smelting furnaces and heated,
Furnace charge is set to be melt into metal liquid, two smelting furnace tapping temperatures are different, and low-carbon Steal Smelter tapping temperature is controlled at 1600-1620 DEG C,
Rich chromium cast iron smelting furnace tapping temperature is controlled at 1480-1500 DEG C；
Step 8：Casting；Low-carbon molten steel is poured slowly into from upper rising head, is stopped when molten steel flows out from spout hole, it is stifled with fire resisting soil
Firmly spout hole, rich chromium cast iron molten metal was poured slowly into every 3-30 seconds again, to stopping when filling upper rising head；
Step 9：Die sinking processing and heat treatment, carry out 1000 DEG C of quenchings, 320 DEG C of tempering, complete the casting that alloy is hammered into shape after die sinking.
2. a kind of bimetallic alloy hammer one-shot forming casting method according to claim 1, the bimetallic alloy hammer casting
Make and use metal die, including upper rising head, left half module, right half module, internal densener, the metal part of matched moulds fixed mount, cavity design hammer
Head is on top, and hammer handle is in bottom；Left half module and right half module are in tup and hammer handle binding site provided with insulation with groove；Left half module,
Crevice place correspondence insulation belt centre position side is provided with spout hole after right half module merges, and spout hole respectively accounts for half on the half module of left and right
And penetrate insulation belt and communicated with die cavity；Left half module has two internal densener mounting holes；The axis hole position of left half module bottom hammer handle is provided with
Core mounting hole；The axis hole position of right half module bottom hammer handle is provided with core locating slot；Left half module is in the week with right half module contact surface
Side is provided with the mould location column for matched moulds, and the right half module in relevant position is provided with the mould positioning hole for matched moulds；First used when using
Rising head, insulation belt and core are standby on molding sand making molding sand, and the internal densener that internal densener locating dowel then is inserted into left half module is installed
In hole, internal densener is set to be located at the centre position that alloy hammers die cavity after left and right half module merges into shape；Again by the mould location column on left half module
The mould positioning hole on right half module is directed at, is combined and is put on matched moulds fixed mount, jackscrew is rotated, left and right half module is fully closed
Tightly, then by core core mounting hole of the hollow out position along left half module is inserted into the core locating slot of right half module on the left of the matched moulds fixed mount
It is interior, then upper rising head is put on left and right half module after merging, four sides alignment, sprue channel open is placed in the middle, form a complete double gold
Belong to alloy hammer cast metal mould tool.
3. a kind of bimetallic alloy hammer one-shot forming casting method according to claim 1, it is characterised in that：The insulation
Tape thickness is 1 centimetre, is highly 3-5 centimetres.
4. a kind of bimetallic alloy hammer one-shot forming casting method according to claim 1, it is characterised in that：It is described interior cold
Iron material matter is mild steel, and profile top is circular shape, and square weld in the middle of two locating dowels, internal densener in bottom has about two
The through hole of arrangement, up and down the position of two through holes should make internal densener install after, upper through hole be located at die cavity tup part,
Lower through hole is located at hammer handle part, and the thickness of internal densener is designed with big few size hammered into shape according to alloy and determined.
5. a kind of bimetallic alloy hammer one-shot forming casting method according to claim 1, it is characterised in that:On described
Riser metal part is square tubular, and material is foundry iron, and it is big that profile size merges upper back profile with left half module, right half module
Small consistent, inside makes square-shaped hopper shape with molding sand, and upper rising head is the unified sprue channel open of double-fluid double metal, is also used as mending
Contracting.
6. a kind of bimetallic alloy hammer one-shot forming casting method according to claim 1, it is characterised in that：The matched moulds
Fixed mount fastens form using jackscrew, and material is mild steel, and the Left-side support frame interposition of fixed mount is equipped with openwork part, used
When left half module core mounting hole alignment matched moulds fixed mount hollow out support side, right half module is positioned over matched moulds fixed mount jackscrew one
Side, is easy to after matched moulds to insert core, and Right side support frame is provided with jackscrew mounting hole, and rotating jackscrew on Right side support frame can be by
Left and right half module closes tight.
7. a kind of bimetallic alloy hammer one-shot forming casting method according to claim 1, it is characterised in that：Described left half
Mould, right half module, material is foundry iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451372.6A CN105458225B (en) | 2014-09-07 | 2014-09-07 | A kind of bimetallic alloy hammers casting method into shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451372.6A CN105458225B (en) | 2014-09-07 | 2014-09-07 | A kind of bimetallic alloy hammers casting method into shape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105458225A CN105458225A (en) | 2016-04-06 |
| CN105458225B true CN105458225B (en) | 2017-08-25 |
Family
ID=55596630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410451372.6A Expired - Fee Related CN105458225B (en) | 2014-09-07 | 2014-09-07 | A kind of bimetallic alloy hammers casting method into shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105458225B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866525A (en) * | 2017-11-30 | 2018-04-03 | 重庆市铭鼎机械制造有限公司 | A kind of casting method for workpiece |
| CN108339944B (en) * | 2018-04-27 | 2024-08-30 | 石家庄瑞特泵业有限公司 | Casting die for molding impeller of water pump |
| CN111195711B (en) * | 2020-01-14 | 2021-07-06 | 中信重工机械股份有限公司 | Bimetal compounding method of gyratory crusher lining plate |
| CN111906277B (en) * | 2020-07-02 | 2021-11-02 | 山西钢合力新材料科技有限公司 | Production method of bimetal composite pipe blank |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3930525A (en) * | 1975-02-03 | 1976-01-06 | Stoneburner Alva E | Soft nose hammer and manufacture thereof |
| CN101239381A (en) * | 2007-02-05 | 2008-08-13 | 荣守范 | Production technique method of double-liquid bimetal composite casting hammer type hammerhead |
| CN101239380A (en) * | 2007-02-05 | 2008-08-13 | 荣守范 | Production technique method of bimetal composite casting board hammer |
| CN101456069A (en) * | 2009-01-05 | 2009-06-17 | 北京交通大学 | Bimetal composite hammer manufacture method and hammer handler precasting products |
| CN102000621A (en) * | 2010-10-18 | 2011-04-06 | 淮阴工学院 | Hammer head of crusher for crushing quartz rock and manufacturing method thereof |
| CN103182478A (en) * | 2013-03-24 | 2013-07-03 | 佳木斯大学 | Bi-metal hammer head and casting process thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3135097B2 (en) * | 1993-07-06 | 2001-02-13 | 日本タングステン株式会社 | Impact member with carbide tip |
-
2014
- 2014-09-07 CN CN201410451372.6A patent/CN105458225B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3930525A (en) * | 1975-02-03 | 1976-01-06 | Stoneburner Alva E | Soft nose hammer and manufacture thereof |
| CN101239381A (en) * | 2007-02-05 | 2008-08-13 | 荣守范 | Production technique method of double-liquid bimetal composite casting hammer type hammerhead |
| CN101239380A (en) * | 2007-02-05 | 2008-08-13 | 荣守范 | Production technique method of bimetal composite casting board hammer |
| CN101456069A (en) * | 2009-01-05 | 2009-06-17 | 北京交通大学 | Bimetal composite hammer manufacture method and hammer handler precasting products |
| CN102000621A (en) * | 2010-10-18 | 2011-04-06 | 淮阴工学院 | Hammer head of crusher for crushing quartz rock and manufacturing method thereof |
| CN103182478A (en) * | 2013-03-24 | 2013-07-03 | 佳木斯大学 | Bi-metal hammer head and casting process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105458225A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102019353B (en) | Precision casting molding method for complex thin-walled member | |
| CN105458225B (en) | A kind of bimetallic alloy hammers casting method into shape | |
| CN109047667B (en) | Casting process of frame saw bearing block | |
| CN104174819B (en) | The climb casting technique of machine third-level planetary frame of a kind of ocean platform | |
| CN110834063A (en) | Sand mold casting process of aluminum-lithium alloy casting | |
| CN101530904A (en) | Composite material hammerhead of crusher and negative pressure casting method thereof | |
| CN104889350A (en) | Round ingot die and round ingot manufacturing method | |
| CN111069539A (en) | Casting process of impeller of large dredge pump | |
| CN106424571B (en) | The cavity structure of the middle case of wind power generating set, the method for preparing middle case using the structure | |
| CN104550855A (en) | Casting technique of imbedding type composite hammerhead | |
| CN100500330C (en) | Method for casting piston | |
| CN104174820A (en) | Casting process of two-stage planet carrier of climbing machine for ocean platform | |
| CN201164900Y (en) | Composite metal mould | |
| CN201008961Y (en) | Casting device of support roll of more than 100 tons complex material supper-scale cast steel | |
| CN118237567A (en) | Roller press stud roller sleeve and preparation method thereof | |
| CN204075157U (en) | A kind of bimetallic alloy hammer metal mold for casting | |
| CN210172516U (en) | Tool and die for producing square vacuum ingot | |
| CN104174817B (en) | A kind of ocean platform climb casting and the Technology for Heating Processing of machine Connection Block | |
| CN102554129A (en) | Roll casting process and pouring device adopted by same | |
| CN102350485A (en) | Device and process for repairing shrinkage holes during steel billet casting through intermediate-frequency electric heating | |
| CN105057645A (en) | Method for preventing crack defect in ZTG 6 alloy casting cooling process | |
| CN207057573U (en) | A kind of easy mold release low density steel vacuum casting mould | |
| CN104890105B (en) | Casting mould and casting method for thickening surficial dense layer of pool wall brick | |
| CN206952100U (en) | A kind of camshaft casting die | |
| CN1583323A (en) | Double metal combining method in sand mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 |