CN112453354A - Preparation process of double-liquid metal composite hammer head - Google Patents
Preparation process of double-liquid metal composite hammer head Download PDFInfo
- Publication number
- CN112453354A CN112453354A CN202011349130.8A CN202011349130A CN112453354A CN 112453354 A CN112453354 A CN 112453354A CN 202011349130 A CN202011349130 A CN 202011349130A CN 112453354 A CN112453354 A CN 112453354A
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- hammer head
- hammer
- preparation process
- metal composite
- pouring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
Abstract
The invention relates to a preparation process of a double-liquid metal composite hammer head, which comprises a hammer handle and a hammer head, wherein the hammer handle is connected with the hammer head, and the preparation process is characterized in that the hammer head comprises the following chemical components in percentage by weight: carbon: 2.5-3%, silicon: 0.8-1.2%, manganese: 0.8-2.4%, chromium: 20-21%, molybdenum: 0.2-0.4%, phosphorus: 0.02-0.06% and the balance of iron, wherein the hammer handle comprises the following chemical components in percentage by weight: 30-55 parts of alloy steel, 2-5 parts of lanthanum-cerium rare earth, 3-4 parts of ferrosilicon grains and 20-45 parts of carbon steel. According to the invention, the hammer head and the hammer handle with wear resistance and high toughness are obtained through the chemical components and the weight ratio thereof.
Description
Technical Field
The invention relates to the technical field of hammer head preparation, in particular to a preparation process of a double-liquid metal composite hammer head.
Background
The crusher is an important crushing device, is widely applied to various industries such as mines, electric power, coal and the like, wherein the hammer head is an important component part on the crusher, which belongs to a part easy to consume and damage in the using process, when the hammer head is manufactured in the prior art, a metallurgical structure needs to be formed between the hammer handle and the hammer head, defects cannot be caused between the binding layers, the process is not easy to realize in the production and processing process, the hammer head can fall off frequently, therefore, other processes are needed to prevent the falling off phenomenon, which further increases the manufacturing cost of the hammer handle, and in addition, the requirement of the hammer head on the wear resistance is extremely high in the using process, so that not only the hardness of the striking part of the hammer head is required to be high, but also the hammer head is required to have certain toughness, therefore, the requirement of workers is met, and the invention provides a new solution to the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation process of a double-liquid metal composite hammer head.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of a double-liquid metal composite hammer comprises a hammer handle and a hammer head, wherein the hammer handle is connected with the hammer head, and the hammer head comprises the following chemical components in percentage by weight: carbon: 2.5-3%, silicon: 0.8-1.2%, manganese: 0.8-2.4%, chromium: 20-21%, molybdenum: 0.2-0.4%, phosphorus: 0.02-0.06% and the balance of iron, wherein the hammer handle comprises the following chemical components in percentage by weight: 30-55 parts of alloy steel, 2-5 parts of lanthanum cerium rare earth, 3-4 parts of silicon iron grains and 20-45 parts of carbon steel, wherein the specific preparation process steps of the hammer head and the hammer handle are as follows:
A. preparing chemical component reagents and ingredients contained in the hammer head and the hammer handle;
B. respectively placing various raw materials of the hammer head and the hammer handle in different electric melting furnaces for melting, heating under the power of 550-600W to ensure that the melting temperature reaches 1500-1510 ℃, and observing the melting condition of the raw materials in the electric melting furnaces until the raw materials are completely melted;
C. respectively pouring the liquid melted in the two electric melting furnaces into a sand mold until the liquid flows out of an overflow port, and stopping pouring;
D. finally, performing oil quenching, tempering and cooling on the finished product obtained after pouring to obtain a finished product;
E. after the finished product hammer head and the hammer handle are obtained, the peripheral burrs of the hammer head and the hammer handle are machined through a grinding machine, meanwhile, the product model is marked on the surface of the hammer head through a spraying machine, and finally, the hammer head and the hammer handle can be packaged and delivered after quality detection.
In a further preferred embodiment, a potassium sodium adhesive is placed at the junction of the hammer handle and the hammer head before the casting in step C.
In a further preferred embodiment, the sand mold in step C is provided with a plurality of hammer head pouring ports and overflow ports, and a plurality of hammer handle pouring ports and overflow ports corresponding to each other are also provided.
Preferably, in the step D, the hammer head is cooled by cooling water in the water tank, and the cooled liquid is continuously discharged to the outside, so that the cooling water is supplemented to the water tank in time, and the discharged liquid can be applied to preheating in other processes due to over-high temperature, so that heat can be fully utilized.
In a further preferred embodiment, the cooling time is 10-20 min.
In a further preferred embodiment, the oil quenching temperature is 70 to 80 ℃.
Preferably, the sand mold in the step C is provided with a heater, and the sand mold is heated while pouring, so that the phenomenon of agglomeration in the pouring process is prevented, and the pouring effect is further improved.
In a further preferred embodiment, the tempering temperature in the step D is 460-480 ℃ and the holding time is 5-8 min.
In a further preferred mode, the liquid heated in the step D is conveyed to different positions through a circulating water pump and a water pipe.
Compared with the prior art, the invention has the following beneficial effects:
in addition, in the preparation step, a plurality of hammers and hammer handles can be manufactured through a sand mold die at one time, so that the preparation efficiency is improved, and the hammers and the hammer handles are manufactured according to the steps.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a preparation process of a double-liquid metal composite hammer comprises a hammer handle and a hammer head, wherein the hammer handle is connected with the hammer head, and the hammer head comprises the following chemical components in percentage by weight: carbon: 2.5-3%, silicon: 0.8-1.2%, manganese: 0.8-2.4%, chromium: 20-21%, molybdenum: 0.2-0.4%, phosphorus: 0.02-0.06% and the balance of iron, wherein the hammer handle comprises the following chemical components in percentage by weight: 30-55 parts of alloy steel, 2-5 parts of lanthanum cerium rare earth, 3-4 parts of silicon iron grains and 20-45 parts of carbon steel, wherein the specific preparation process steps of the hammer head and the hammer handle are as follows:
A. preparing chemical component reagents and ingredients contained in the hammer head and the hammer handle;
B. respectively placing various raw materials of the hammer head and the hammer handle in different electric melting furnaces for melting, heating under the power of 550-600W to ensure that the melting temperature reaches 1500-1510 ℃, and observing the melting condition of the raw materials in the electric melting furnaces until the raw materials are completely melted;
C. respectively pouring the liquid melted in the two electric melting furnaces into a sand mold until the liquid flows out of an overflow port, and stopping pouring;
D. finally, performing oil quenching, tempering and cooling on the finished product obtained after pouring to obtain a finished product;
E. after the finished product hammer head and the hammer handle are obtained, the peripheral burrs of the hammer head and the hammer handle are machined through a grinding machine, meanwhile, the product model is marked on the surface of the hammer head through a spraying machine, and finally, the hammer head and the hammer handle can be packaged and delivered after quality detection.
In this embodiment, a potassium sodium adhesive is placed at the interface of the hammer handle and the hammer head before the casting in step C. Further improving the connection firmness of the hammer head and the hammer handle.
In this embodiment, the sand mold in step C is provided with a plurality of hammer head pouring ports and overflow ports, and a plurality of hammer handle pouring ports and overflow ports corresponding to each other are also provided. Thereby can once only pour a plurality of tups and hammer handle, improve its production efficiency.
In this embodiment, in the step D, the hammer head is cooled by the cooling water in the water tank, and the cooled liquid is continuously discharged to the outside, so that the cooling water is supplemented to the water tank in time, and the discharged liquid can be applied to preheating in other processes due to an excessively high temperature, so that the heat can be fully utilized.
In this embodiment, the cooling time is 10-20 min. Further improving the cooling effect of the finished product and better obtaining the final finished product.
In this example, the oil quenching temperature is 70-80 ℃. So that the final product can be better obtained.
In this embodiment, the sand mold in step C is provided with the heater, heats the sand mold while pouring, prevents the condition of caking from appearing in the pouring process, further improves and pours the effect.
In this embodiment, the annealing temperature in step D is 460-480 ℃, and the holding time is 5-8 min. Further ensuring enough tempering time and tempering temperature and improving the preparation effect of the casting.
In this embodiment, the liquid heated in step D is delivered to different positions by a circulating water pump and a water pipe. Therefore, the heated liquid can be better conveyed to different positions.
Example 2:
the specific preparation process steps of the hammer head and the hammer handle are as follows:
A. preparing various chemical component reagents and ingredients contained in a hammer head and a hammer handle, wherein the chemical components and the weight percentage of the hammer head are as follows: carbon: 2.5%, silicon: 0.8%, manganese: 0.8%, chromium: 20%, molybdenum: 0.2%, phosphorus: 0.02 percent and iron 75.68 percent, the chemical components and the weight percentage of the hammer handle are as follows: alloy steel 40, lanthanum cerium rare earth 2, ferrosilicon grain 3 and carbon steel 55;
B. respectively placing various raw materials of the hammer head and the hammer handle in different electric melting furnaces for melting, heating under the power of 550W to enable the melting temperature to reach 1500 ℃, and observing the melting condition of the raw materials in the electric melting furnaces until the raw materials are completely melted;
C. respectively pouring the liquid melted in the two electric melting furnaces into a sand mold until the liquid flows out of an overflow port, stopping pouring, and heating the sand mold through a heater in the pouring process;
D. finally, performing oil quenching, tempering and cooling on the finished product obtained after casting to obtain the finished product, wherein the oil quenching temperature is 70 ℃, the tempering temperature is 460 ℃, the holding time is 5min, and the cooling time is 10 min;
E. after the finished product hammer head and the hammer handle are obtained, the peripheral burrs of the hammer head and the hammer handle are machined through a grinding machine, meanwhile, the product model is marked on the surface of the hammer head through a spraying machine, and finally, the hammer head and the hammer handle can be packaged and delivered after quality detection.
Example 3:
the specific preparation process steps of the hammer head and the hammer handle are as follows:
A. preparing various chemical component reagents and ingredients contained in a hammer head and a hammer handle, wherein the chemical components and the weight percentage of the hammer head are as follows: carbon: 3%, silicon: 1.2%, manganese: 2.4%, chromium: 21%, molybdenum: 0.4%, phosphorus: 0.06% and iron 71.94%, the chemical components and weight percentages of the hammer handle are as follows: alloy steel 50, lanthanum cerium rare earth 4, ferrosilicon 4 and carbon steel 42;
B. respectively placing various raw materials of the hammer head and the hammer handle in different electric melting furnaces for melting, heating under the power of 550W to enable the melting temperature to reach 1510 ℃, and observing the melting condition of the raw materials in the electric melting furnaces until the raw materials are completely melted;
C. respectively pouring the liquid melted in the two electric melting furnaces into a sand mold until the liquid flows out of an overflow port, stopping pouring, and heating the sand mold through a heater in the pouring process;
D. finally, performing oil quenching, tempering and cooling on the finished product obtained after pouring to obtain the finished product, wherein the oil quenching temperature is 80 ℃, the tempering temperature is 480 ℃, the holding time is 8min, and the cooling time is 20 min;
E. after the finished product hammer head and the hammer handle are obtained, the peripheral burrs of the hammer head and the hammer handle are machined through a grinding machine, meanwhile, the product model is marked on the surface of the hammer head through a spraying machine, and finally, the hammer head and the hammer handle can be packaged and delivered after quality detection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The preparation process of the double-liquid metal composite hammer comprises a hammer handle and a hammer head, wherein the hammer handle is connected with the hammer head, and is characterized in that the hammer head comprises the following chemical components in percentage by weight: carbon: 2.5-3%, silicon: 0.8-1.2%, manganese: 0.8-2.4%, chromium: 20-21%, molybdenum: 0.2-0.4%, phosphorus: 0.02-0.06% and the balance of iron, wherein the hammer handle comprises the following chemical components in percentage by weight: 30-55 parts of alloy steel, 2-5 parts of lanthanum cerium rare earth, 3-4 parts of silicon iron grains and 20-45 parts of carbon steel, wherein the specific preparation process steps of the hammer head and the hammer handle are as follows:
A. preparing chemical component reagents and ingredients contained in the hammer head and the hammer handle;
B. respectively placing various raw materials of the hammer head and the hammer handle in different electric melting furnaces for melting, heating under the power of 550-600W to ensure that the melting temperature reaches 1500-1510 ℃, and observing the melting condition of the raw materials in the electric melting furnaces until the raw materials are completely melted;
C. respectively pouring the liquid melted in the two electric melting furnaces into a sand mold until the liquid flows out of an overflow port, and stopping pouring;
D. finally, performing oil quenching, tempering and cooling on the finished product obtained after pouring to obtain a finished product;
E. after the finished product hammer head and the hammer handle are obtained, the peripheral burrs of the hammer head and the hammer handle are machined through a grinding machine, meanwhile, the product model is marked on the surface of the hammer head through a spraying machine, and finally, the hammer head and the hammer handle can be packaged and delivered after quality detection.
2. The preparation process of the biliquid metal composite hammer head according to claim 1, wherein: and C, before the step C, a potassium-sodium adhesive is placed at the joint of the hammer handle and the hammer head.
3. The preparation process of the biliquid metal composite hammer head of claim 2, wherein: and C, arranging a plurality of hammer head pouring ports and overflow outlets on the sand mold in the step C, and meanwhile, arranging a plurality of hammer handle pouring ports and overflow outlets which correspond to each other.
4. The preparation process of the biliquid metal composite hammer head of claim 3, wherein: and D, cooling the hammer head by cooling water in the water tank, continuously discharging the cooled liquid outwards at the same time, supplementing cooling water into the water tank in time, and applying the discharged liquid to preheating of other processes due to overhigh temperature, so that heat can be fully utilized.
5. The preparation process of the biliquid metal composite hammer head according to claim 1, wherein: the cooling time is 10-20 min.
6. The preparation process of the biliquid metal composite hammer head of claim 5, wherein: the oil quenching temperature is 70-80 ℃.
7. The preparation process of the biliquid metal composite hammer head according to claim 1, wherein: and C, a heater is arranged on the sand mould in the step C, the sand mould is heated during pouring, the caking condition in the pouring process is prevented, and the pouring effect is further improved.
8. The preparation process of the biliquid metal composite hammer head according to claim 1, wherein: the tempering temperature in the step D is 460-480 ℃, and the holding time is 5-8 min.
9. The preparation process of the biliquid metal composite hammer head of claim 4, wherein: and D, conveying the liquid heated in the step D to different positions through a circulating water pump and a water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349130.8A CN112453354A (en) | 2020-11-26 | 2020-11-26 | Preparation process of double-liquid metal composite hammer head |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011349130.8A CN112453354A (en) | 2020-11-26 | 2020-11-26 | Preparation process of double-liquid metal composite hammer head |
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| CN112453354A true CN112453354A (en) | 2021-03-09 |
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| CN202011349130.8A Pending CN112453354A (en) | 2020-11-26 | 2020-11-26 | Preparation process of double-liquid metal composite hammer head |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201300190Y (en) * | 2008-12-02 | 2009-09-02 | 兰州理工大学 | Sand mold device for cluster casting of hammer heads |
| CN201693128U (en) * | 2010-03-12 | 2011-01-05 | 宁国市铸丰钢球铸造有限公司 | Multi-combined hammer die for vertical parting of metal mold |
| CN201979039U (en) * | 2011-03-28 | 2011-09-21 | 贾友军 | Double-metal-liquid sand mold capable of casting a plurality of composite hammers in one step |
| CN102553678A (en) * | 2012-01-04 | 2012-07-11 | 宁国市龙飞耐磨材料有限公司 | Double-liquid compound metal hammer and preparation method thereof |
| CN103667870A (en) * | 2013-12-20 | 2014-03-26 | 北票金事达机械制造有限公司 | Double-liquid double-metal oil quenching hammer and machining method thereof |
| CN106521328A (en) * | 2017-01-04 | 2017-03-22 | 哈德托普华亨（山西）耐磨铸业有限公司 | Two-fluid bimetal compound poured crushing hammer manufacturing method |
-
2020
- 2020-11-26 CN CN202011349130.8A patent/CN112453354A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201300190Y (en) * | 2008-12-02 | 2009-09-02 | 兰州理工大学 | Sand mold device for cluster casting of hammer heads |
| CN201693128U (en) * | 2010-03-12 | 2011-01-05 | 宁国市铸丰钢球铸造有限公司 | Multi-combined hammer die for vertical parting of metal mold |
| CN201979039U (en) * | 2011-03-28 | 2011-09-21 | 贾友军 | Double-metal-liquid sand mold capable of casting a plurality of composite hammers in one step |
| CN102553678A (en) * | 2012-01-04 | 2012-07-11 | 宁国市龙飞耐磨材料有限公司 | Double-liquid compound metal hammer and preparation method thereof |
| CN103667870A (en) * | 2013-12-20 | 2014-03-26 | 北票金事达机械制造有限公司 | Double-liquid double-metal oil quenching hammer and machining method thereof |
| CN106521328A (en) * | 2017-01-04 | 2017-03-22 | 哈德托普华亨（山西）耐磨铸业有限公司 | Two-fluid bimetal compound poured crushing hammer manufacturing method |
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