CN108525783A - A kind of Compound wear-resisting hammer - Google Patents
A kind of Compound wear-resisting hammer Download PDFInfo
- Publication number
- CN108525783A CN108525783A CN201810401742.3A CN201810401742A CN108525783A CN 108525783 A CN108525783 A CN 108525783A CN 201810401742 A CN201810401742 A CN 201810401742A CN 108525783 A CN108525783 A CN 108525783A
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- CN
- China
- Prior art keywords
- hammer
- liquid
- compound
- layer
- hammer handle
- 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.)
- Pending
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000005266 casting Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 20
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 18
- 229910052804 chromium Inorganic materials 0.000 description 18
- 239000011651 chromium Substances 0.000 description 18
- 229910001339 C alloy Inorganic materials 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 4
- 239000002905 metal composite material Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 241000251131 Sphyrna Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
Abstract
The invention discloses the Compound wear-resisting hammers applied on a kind of crushing mechanism.The Compound wear-resisting hammer includes hammer handle and hammer body, the hammer body by can layer and hammer tip form, can layer be welded to connect by weld seam with hammer handle.To mitigate the impact stress of weld seam, the hammer handle and can the faying face of layer be by the corresponding protrusion of location and shape and the curved surface that constitutes of groove.The hammer body is using the liquid liquid composite casting technology production for preventing superfusion.To improve the comprehensive performance of hammer handle, hot rolled steel plate can be used in hammer handle.The composite hammer head avoids the compound molten steel superfusion of liquid liquid, overcomes the defect that the compound two kinds of materials of solid-liquid are not integrally formed.The shortcomings that remaining that liquid liquid is compound and the compound advantage of solid-liquid, avoiding two kinds of complex methods, service life is the three times of two kinds of complex methods of liquid liquid or solid-liquid or more.
Description
Technical field
Present invention application wear-resistant material industry, and in particular to the wear-resistant hammer head applied on crushing mechanism, more particularly to it is a kind of
Bimetallic or more metal composite tups.
Background technology
Crusher is widely used in the industries such as mine, metallurgy, cement, electric power；Tup is a kind of easily-consumed products on crusher,
Need that there is high-wearing feature and certain impact flexibility, original adoption potassium steel material, but potassium steel is hard under the conditions of HI high impact
Change, there is good Impact wear resistance.Under the small operating mode of impact force, the hardening of potassium steel is limited, abrasion-resistance and conjunction
Jin Gang is not much different.Although rich chromium cast iron has good wear resistence, its impact flexibility is poor, cannot meet impact operating mode.
It is combined with the steel alloy with impact flexibility so mostly using rich chromium cast iron.Bimetal hammerhead complex method mainly has liquid liquid
It is compound to cast the casting of compound and solid-liquid.
Application No. is 201710005597.2 patents of invention《A kind of manufacture of double-fluid double metal composite casting cracking hammer head
Method》It is to be produced using rich chromium cast iron and low-carbon alloy molten steel liquid composite casting, then hammer handle low-carbon alloy steel of first casting is added
Adhesive, high-chromium cast iron alloy of finally casting form.The key problem in technology of this technique productions is low-carbon alloy steel of first casting
Temperature controls, because the setting temperature of low-carbon alloy steel and the cast temperature of high-chromium cast iron alloy are not much different, once low-carbon alloy
Steel solidifies, and it is compound to be hardly formed liquid liquid.During low-carbon alloy steel casting solidification, molten metal needs solidification of radiating, molten metal
Temperature difference has been certainly existed, so when outside low-carbon alloy steel metal reaches rich chromium cast iron cast temperature, it is internal to go back
High-temperature liquid metal, rich chromium cast iron of at this moment casting can cause the superfusion of low-carbon alloy steel, seriously affect rich chromium cast iron at sub-control
System.Adhesive in the art of this patent only plays the role of preventing mating surface from aoxidizing, and pure faying face will not be to first casting
The temperature of low-carbon alloy steel faying face generates any influence for being conducive to Composition Control.Thus the technique can produce bimetallic
Composite hammer head, but due to its technology controlling and process narrow range, cause rejection rate very high, mostly due to low-carbon alloy steel in actual production
Superfusion causes the performance of rich chromium cast iron unqualified so that wear-resisting service life is very short.
The patent of invention of application number 201410355934.7《A kind of hammer mill composite hammer》It is multiple using solid-liquid
Alloying is made, and potassium steel solid hammer handle is placed in sand mold, smears hydrochloric acid, and 230-240 DEG C of sand mold temperature makes water-glass sand obtain
To hardening, liquid rich chromium cast iron of then casting forms.It is multiple that the Double-metal composite hammer of the technique productions not will produce above-mentioned liquid liquid
The case where closing rich chromium cast iron off analysis, weakness is that the compound power of being not bound with of solid-liquid, two kinds of metals are not compounded to form
One.This is mainly due to the built-in chill in rich chromium cast iron molten metal is equivalent to, since the volume and hammer tip of hammer handle chill are high
The volume of chrome cast iron is not much different, and the fusing point of hammer handle material is higher than the cast temperature of rich chromium cast iron, so the two can not possibly
The secured compound of metallurgy type is generated, only dependency structure form isolating and falling off from the two.
Invention content
Technical problem solved by the invention is：A kind of composite hammer head is provided, has both ensured the metallurgical binding of hammer handle and hammer body,
Ensure the Composition Control of hammer body rich chromium cast iron again.
The technical solution adopted in the present invention is：
The Compound wear-resisting hammer includes hammer handle and hammer body, the hammer body by can layer and hammer tip form, can layer pass through with hammer handle
Weld seam is welded to connect.
Further, it is the impact stress for mitigating weld seam, the hammer handle and there can be location and shape phase on the faying face of layer
Corresponding protrusion and groove.
Further, to ensure the ingredient of hammer tip rich chromium cast iron, the hammer body is using the liquid liquid composite casting work for preventing superfusion
Skill produces.
Further, to improve the comprehensive performance of hammer handle, hot rolled steel plate making can be used in hammer handle.
The beneficial effects of the invention are as follows：One be that of avoiding tup liquid liquid it is compound caused by molten steel superfuse, ensure that hammer body height
The ingredient of chrome cast iron and hammer handle, to ensure the performance of two kinds of materials；Two are that of obtaining the composite hammer head of metallurgical binding, avoid
Tup solid-liquid is compound to cause two kinds of materials to can't be integrated defect, improves the globality of tup.The tup remains
Liquid liquid is compound and the compound advantage of solid-liquid, the shortcomings that avoiding two kinds of complex methods, and service life is that two kinds of liquid liquid or solid-liquid are multiple
It is more than the three times of conjunction mode.
Description of the drawings
Fig. 1 is 1 structural schematic diagram of embodiment；
Fig. 2 is 2 structural schematic diagram of embodiment；
Fig. 3 is 2 solder bond schematic diagram of embodiment；
Wherein：1- hammer handles, 2- weld seams, 3- can layer, 4- hammer tips, 5- protrusions, 6- grooves.
Specific implementation mode
Embodiment 1.
Fig. 1 is the structural schematic diagram of the present embodiment Compound wear-resisting hammer.The present embodiment still uses hammer handle 1 and hammer body knot
Structure is connect with the maximum weld seam 2 difference lies in hammer handle 1 and hammer body use welding that liquid liquid is compound and solid-liquid is compound, and hammer body includes
Can layer 3 and hammer tip 4, the two using prevent superfusion liquid liquid composite casting technology fuse.
The good low-carbon alloy steel of welding performance can be used in hammer handle 1 or potassium steel is cast.To improve hammer handle mechanicalness
Can, ensure service life, hot rolled steel plate flame gas cutting can be used in hammer handle 1 or cutting processing forms, without being given birth to using casting technique
Production.The dense structure's property of hot rolled steel plate is high, crystal grain is tiny, and impact flexibility and comprehensive performance are above steel-casting.
Hammer body by can layer 3 and 4 liquid liquid of hammer tip be combined, the two is compound using application No. is 201611082652.X's
《A kind of biliquid compound iron bimetallic casting method》Production technology manufacture, which can effectively prevent bimetallic ingredient mistake
It is molten.Can layer 3 use mild steel, to ensure welding performance, hammer tip 4 uses rich chromium cast iron, to ensure abrasion resistance.
Hammer body can be produced with cast in one piece, for improve production efficiency, can also multiple hammer body cast solids, be then cut into
It is multiple.
Complex-shaped formative technology is changed to the board-like formative technology of simple shape by the production method of the tup, is simplified
Mould shapes structure and making save modelling cost.Although increasing welding sequence, casting labour skill is simplified
Can, product qualification rate and production efficiency are improved, cost of labor is reduced.
Compared with solid-liquid composite hammer head, which is welded the hammer body of liquid liquid composite integrated and hammer handle, the two connection
Securely, it is integrally formed, increases integral strength, improve service life.Compared with liquid liquid composite hammer head, the high chromium of the tup is cast
Iron hammer end does not generate superfusion, and ingredient is guaranteed, and to ensure that the wear resistence of rich chromium cast iron, improving the wear-resistant of tup makes
Use the service life.In short, the tup remains, previous tup liquid liquid is compound and the compound advantage of solid-liquid, avoids two kinds of complex methods
Disadvantage, through on probation, service life is the three times of two kinds of complex methods of liquid liquid or solid-liquid or more.
Embodiment 2.
Fig. 2 is the structural schematic diagram of the present embodiment Compound wear-resisting hammer, and Fig. 3 is combination schematic diagram before the present embodiment welding.
With embodiment 1 difference lies in hammer handle 1 and can the faying face of layer 3 curved surface has been changed to by plane, protrusion 5 is increased on faying face
With groove 6.Protrusion 5 and the location and shape of groove 6 are corresponding, can be one, can also be multiple.
Compared with Example 1, the Compound wear-resisting hammer of the present embodiment avoids the stress concentration of weld seam in use,
Especially under HI high impact operating mode, since the axis or stress surface of protrusion 5 and groove 6 are vertical with the rotary impact direction of tup, increase
Added hammer handle 1 and can 3 faying face of layer impact strength.The tup of the structure be suitable for HI high impact operating mode or size and
The larger tup of volume.
Claims (4)
1. a kind of Compound wear-resisting hammer, including hammer handle（1）And hammer body, it is characterised in that：The hammer body is by can layer（3）And hammer tip
（4）Composition, it is described can layer（3）With hammer handle（1）Pass through weld seam（2）It is welded to connect.
2. Compound wear-resisting hammer according to claim 1, it is characterised in that：The hammer handle（1）With can layer（3）Combination
There is the corresponding protrusion of location and shape on face（5）And groove（6）.
3. Compound wear-resisting hammer according to claim 1 or 2, it is characterised in that：The hammer body uses liquid liquid composite casting
Technique productions.
4. Compound wear-resisting hammer according to claim 1 or 2, it is characterised in that：The hammer handle（1）Using hot rolled steel plate system
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401742.3A CN108525783A (en) | 2018-04-28 | 2018-04-28 | A kind of Compound wear-resisting hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401742.3A CN108525783A (en) | 2018-04-28 | 2018-04-28 | A kind of Compound wear-resisting hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108525783A true CN108525783A (en) | 2018-09-14 |
Family
ID=63475923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810401742.3A Pending CN108525783A (en) | 2018-04-28 | 2018-04-28 | A kind of Compound wear-resisting hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108525783A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020050455A (en) * | 2000-12-21 | 2002-06-27 | 신현준 | Method for manufacturing bimetallic cast with superior wear resistance and toughness |
| CN102211174A (en) * | 2011-05-07 | 2011-10-12 | 迁安市宏信铸造有限公司 | Process for casting wear-resistant hammer head by compounding two kinds of metal liquid |
| CN103357852A (en) * | 2013-07-05 | 2013-10-23 | 邯郸慧桥复合材料科技有限公司 | Manufacturing technology of ceramic and steel composite wear-proof hammer |
| CN205684131U (en) * | 2016-05-22 | 2016-11-16 | 佳木斯大学 | Handle hammer is protected in a kind of Combined double-face welding |
| CN106623862A (en) * | 2016-11-30 | 2017-05-10 | 邢振国 | Double-fluid composite iron-based bimetal casting method |
-
2018
- 2018-04-28 CN CN201810401742.3A patent/CN108525783A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020050455A (en) * | 2000-12-21 | 2002-06-27 | 신현준 | Method for manufacturing bimetallic cast with superior wear resistance and toughness |
| CN102211174A (en) * | 2011-05-07 | 2011-10-12 | 迁安市宏信铸造有限公司 | Process for casting wear-resistant hammer head by compounding two kinds of metal liquid |
| CN103357852A (en) * | 2013-07-05 | 2013-10-23 | 邯郸慧桥复合材料科技有限公司 | Manufacturing technology of ceramic and steel composite wear-proof hammer |
| CN205684131U (en) * | 2016-05-22 | 2016-11-16 | 佳木斯大学 | Handle hammer is protected in a kind of Combined double-face welding |
| CN106623862A (en) * | 2016-11-30 | 2017-05-10 | 邢振国 | Double-fluid composite iron-based bimetal casting method |
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