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CN109127002B - High-strength metamorphic alloy hammer head for sand making machine - Google Patents

High-strength metamorphic alloy hammer head for sand making machine Download PDF

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Publication number
CN109127002B
CN109127002B CN201811238838.9A CN201811238838A CN109127002B CN 109127002 B CN109127002 B CN 109127002B CN 201811238838 A CN201811238838 A CN 201811238838A CN 109127002 B CN109127002 B CN 109127002B
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China
Prior art keywords
hammer
hammer body
making machine
mounting hole
sand making
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CN201811238838.9A
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Chinese (zh)
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CN109127002A (en
Inventor
马驰
孙启祥
孙法虎
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Zaozhuang Snksan Intelligent Machinery Co Ltd
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Zaozhuang Snksan Intelligent Machinery Co Ltd
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Priority to CN201811238838.9A priority Critical patent/CN109127002B/en
Publication of CN109127002A publication Critical patent/CN109127002A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/28Shape or construction of beater elements
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/008Ferrous alloys, e.g. steel alloys containing tin
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a high-strength metamorphic alloy hammer head for a sand making machine, relates to the technical field of sand making machine equipment, and mainly solves the problems that the existing hammer head of the sand making machine is not firm in connection and low in mechanical strength; the hammer comprises a hammer body with a cuboid structure, wherein a mounting hole is formed in the center of the hammer body; a plurality of key grooves are formed in the bottom of the hammer body corresponding to the mounting hole, and are circumferentially and equidistantly distributed on the periphery of the mounting hole; a plurality of positioning assemblies are arranged at positions, corresponding to the mounting holes, on the top of the hammer body, and are equidistantly distributed on the periphery of the mounting holes along the circumferential direction; the master batch of the hammer head comprises the following components: 0.003-0.004% of tin, 1.19-1.21% of manganese, 3.40-3.44% of sodium chloride, 4.65-4.75% of chromium and the balance of iron. The invention can greatly improve the connection firmness between the hammer body and the transmission rod of the sand making machine; meanwhile, the mechanical strength of the hammer body is high.

Description

High-strength metamorphic alloy hammer head for sand making machine
Technical Field
The invention relates to the technical field of sand making machines, in particular to a high-strength metamorphic alloy hammer head for a sand making machine.
Background
With the acceleration of economic construction and social development, the demand of sand is continuously increased, the phenomenon of excessive river sand excavation is continuously caused, and excavation forbidding measures are also taken in succession everywhere, so that a manual sand making machine is produced at the same time, the novel sand making machine (a vertical shaft type impact crusher) is suitable for crushing soft or medium hard and extremely hard ore materials with the hardness not higher than 320Pa, and the sand making machine is widely applied to various departments such as large, smelting, building materials, roads, railways, water conservancy, chemical industry and the like. The hammer head is a sand making machine with an integral structure and is directly connected to the rotor through a penetrating rod.
The hammer head is fixed in the existing sand making machine in a clamping mode, the hammer head is easy to drop in the high-speed operation process of equipment, great potential safety hazards exist, the existing hammer head is not ideal in mechanical strength, and the service life is short.
Disclosure of Invention
The invention aims to provide a high-strength metamorphic alloy hammer head for a sand making machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-strength metamorphic alloy hammer head for a sand making machine comprises a hammer body with a cuboid structure, wherein a mounting hole is formed in the center of the hammer body; a plurality of key grooves are formed in the bottom of the hammer body corresponding to the mounting hole, and are circumferentially and equidistantly distributed on the periphery of the mounting hole; the top of hammer block corresponds and is provided with a plurality of locating component on the position of mounting hole, and is a plurality of locating component lays in the periphery of mounting hole along circumference equidistance, locating component includes the interlock piece, and the bottom integrated into one piece of interlock piece has the slider, and the top of hammer block has been seted up with slider matched with spout, and the slider slip card is established in the spout, and one side that the mounting hole was kept away from to the interlock piece is provided with the thimble, and the thimble passes through the fixed block that screw-thread fit connection is fixed in the hammer block top.
As a further scheme of the invention: the key groove and the positioning component are at least three.
As a further scheme of the invention: and anti-skidding teeth are uniformly distributed on one side of the occlusion block close to the mounting hole.
As a further scheme of the invention: the occlusion block is arc-shaped.
A master batch for manufacturing the hammer head comprises the following components in percentage by mass: 0.003-0.004% of tin, 1.19-1.21% of manganese, 3.40-3.44% of sodium chloride, 4.65-4.75% of chromium and the balance of iron.
As a further scheme of the invention: the master batch comprises the following components in percentage by mass: 0.003-0.004% of tin, 1.19-1.21% of manganese, 3.40-3.44% of sodium chloride, 4.65-4.75% of chromium and the balance of iron.
The preparation method of the master batch comprises the following steps:
1) adding 2-4 times of water by mass into sodium chloride to obtain sodium chloride solution, sealing the solution of iron, tin and sodium chloride in a reaction kettle, and heating at 560 ℃ of 450-; obtaining a first mixture;
2) putting the first mixture into a smelting furnace, and smelting at 860 and 970 ℃ for 20-30min to prepare a second mixture;
3) adding chromium into the second mixture, heating to 1050-1140 ℃, continuously smelting for 5-12min, and slagging off to prepare a third mixture;
4) adding manganese into the third mixture, continuously smelting for 40-56min at the temperature of 1050-;
5) placing the fourth mixture in a resistance furnace for homogenizing annealing; the first-stage annealing temperature is 570-680 ℃, and the temperature is kept for 2.5-3h at the temperature; the second-stage annealing temperature is 320-460 ℃, and the temperature is kept for 3.5-5h at the temperature to prepare a fifth mixture;
6) and extruding and forming the fifth mixture to obtain the master batch.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the limiting assembly and the key groove are respectively arranged at the upper end and the lower end of the mounting hole, so that multiple fixation of the hammer body and the transmission rod of the sand making machine can be realized, and the connection firmness between the hammer body and the transmission rod of the sand making machine is greatly improved; meanwhile, reasonable component proportion is adopted, the mechanical strength of the hammer body is greatly improved, the service life of the hammer body is prolonged, and the hammer has a wide market prospect.
Drawings
Fig. 1 is a schematic front view structure diagram of a high-strength metamorphic alloy hammer head for a sand making machine.
Fig. 2 is a schematic top view of a high-strength deteriorated alloy hammer head for a sand making machine.
In the figure: 1-hammer body, 11-sliding groove, 2-mounting hole, 3-key groove, 41-engagement block, 411-anti-slip tooth, 412-sliding block, 42-thimble and 43-fixing block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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
Referring to fig. 1-2, in an embodiment of the present invention, a high strength metamorphic alloy hammer head for a sand making machine includes a hammer body 1 having a rectangular parallelepiped structure, wherein a mounting hole 2 is formed in a center position of the hammer body 1; a plurality of key grooves 3 are formed in the bottom of the hammer body 1 corresponding to the positions of the mounting holes 2, the key grooves 3 are circumferentially and equidistantly distributed on the periphery of the mounting holes 2, when the hammer is used, a flat key is clamped into the key grooves 3, and the firmness of connection between the bottom of the hammer body 1 and a transmission rod of a sand making machine is ensured by key connection;
the positioning device comprises a hammer body 1, a plurality of positioning assemblies and a plurality of positioning assemblies, wherein the positioning assemblies are arranged on the periphery of a mounting hole 2 at equal intervals along the circumferential direction and comprise an occlusion block 41, the occlusion block 41 is arc-shaped, a sliding block 412 is integrally formed at the bottom of the occlusion block 41, a sliding groove 11 matched with the sliding block 412 is formed in the top of the hammer body 1, the sliding block 412 is slidably clamped in the sliding groove 11, a thimble 42 is arranged on one side, away from the mounting hole 2, of the occlusion block 41, the thimble 42 is connected and fixed to a fixed block 43 at the top of the hammer body 1 through thread matching, and when the positioning device is used, the thimble 42 is screwed to be abutted and buckled with a sand making machine transmission rod, so that the connection firmness of the top of the hammer body 1 and the sand making;
preferably, at least three key grooves 3 and at least three positioning assemblies are arranged;
in order to improve the connection firmness between the occlusion block 41 and the transmission rod of the sand making machine, further, anti-slip teeth 411 are uniformly distributed on one side of the occlusion block 41 close to the mounting hole 2.
Example 2
The embodiment provides a master batch for manufacturing a hammer head, which is composed of the following components in percentage by mass: 0.003% of tin, 1.19% of manganese, 3.40% of sodium chloride, 4.65% of chromium and the balance of iron.
The preparation method of the master batch comprises the following steps:
1) adding 2 times of water by mass into sodium chloride to obtain sodium chloride solution, sealing the solution of iron, tin and sodium chloride in a reaction kettle, and heating at 450 deg.C for 8 min; obtaining a first mixture;
2) putting the first mixture into a smelting furnace, and smelting at 860 ℃ for 20min to obtain a second mixture;
3) adding chromium into the second mixture, heating to 1050 ℃, continuing to smelt for 5min, and simultaneously slagging off to prepare a third mixture;
4) adding manganese into the third mixture, continuously smelting at 1050 ℃ for 40min, and slagging off to obtain a fourth mixture;
5) placing the fourth mixture in a resistance furnace for homogenizing annealing; the first-stage annealing temperature is 570 ℃, and the temperature is kept for 2.5 hours at the temperature; the temperature of the second-stage annealing is 320 ℃, and the temperature is kept for 3.5 hours at the temperature to prepare a fifth mixture;
6) and extruding and forming the fifth mixture to obtain the master batch.
Example 3
The embodiment provides a master batch for manufacturing a hammer head, which is composed of the following components in percentage by mass: 0.0035% of tin, 1.20% of manganese, 3.42% of sodium chloride, 4.68% of chromium and the balance of iron.
The preparation method of the master batch comprises the following steps:
1) adding 3 times of water by mass into sodium chloride to obtain sodium chloride solution, sealing the solution of iron, tin and sodium chloride in a reaction kettle, and heating at 550 ℃ for 10 min; obtaining a first mixture;
2) putting the first mixture into a smelting furnace, and smelting at 900 ℃ for 25min to obtain a second mixture;
3) adding chromium into the second mixture, heating to 1100 ℃, continuing to smelt for 8min, and simultaneously slagging off to prepare a third mixture;
4) adding manganese into the third mixture, continuously smelting at 1100 ℃ for 50min, and slagging off to obtain a fourth mixture;
5) placing the fourth mixture in a resistance furnace for homogenizing annealing; the first-stage annealing temperature is 620 ℃, and the temperature is kept for 2.8 hours at the temperature; the temperature of the second-stage annealing is 380 ℃, and the temperature is kept for 4 hours at the temperature to prepare a fifth mixture;
6) and extruding and forming the fifth mixture to obtain the master batch.
Example 4
The embodiment provides a master batch for manufacturing a hammer head, which is composed of the following components in percentage by mass: 0.004% of tin, 1.21% of manganese, 3.44% of sodium chloride, 4.75% of chromium and the balance of iron.
The preparation method of the master batch comprises the following steps:
1) adding 4 times of water by mass into sodium chloride to obtain sodium chloride solution, sealing the solution of iron, tin and sodium chloride in a reaction kettle, and heating at 560 ℃ for 12 min; obtaining a first mixture;
2) putting the first mixture into a smelting furnace, and smelting at 970 ℃ for 30min to prepare a second mixture;
3) adding chromium into the second mixture, heating to 1140 ℃, continuing to smelt for 12min, and slagging off to prepare a third mixture;
4) adding manganese into the third mixture, continuously smelting for 56min at the temperature of 1140 ℃, and slagging off to prepare a fourth mixture;
5) placing the fourth mixture in a resistance furnace for homogenizing annealing; the first-stage annealing temperature is 680 ℃, and the temperature is kept for 3 hours at the temperature; the temperature of the second-stage annealing is 460 ℃, and the temperature is kept for 5 hours at the temperature, so that a fifth mixture is prepared;
6) and extruding and forming the fifth mixture to obtain the master batch.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. A high-strength metamorphic alloy hammer head for a sand making machine comprises a hammer body (1) with a cuboid structure, wherein a mounting hole (2) is formed in the center of the hammer body (1); the hammer is characterized in that a plurality of key grooves (3) are formed in the position, corresponding to the mounting hole (2), of the bottom of the hammer body (1), and the key grooves (3) are arranged on the periphery of the mounting hole (2) at equal intervals along the circumferential direction;
the positioning device comprises a hammer body (1), a plurality of positioning assemblies are arranged on the top of the hammer body (1) corresponding to the mounting hole (2), the positioning assemblies are arranged on the periphery of the mounting hole (2) at equal intervals along the circumferential direction, each positioning assembly comprises an occlusion block (41), a sliding block (412) is integrally formed at the bottom of the occlusion block (41), a sliding groove (11) matched with the sliding block (412) is formed in the top of the hammer body (1), the sliding block (412) is clamped in the sliding groove (11) in a sliding mode, an ejector pin (42) is arranged on one side, far away from the mounting hole (2), of the occlusion block (41), and the ejector pin (42) is connected with a fixing block (43) fixed to the top of the hammer body;
the master batch of the hammer body comprises the following components in percentage by mass: 0.003-0.004% of tin, 1.19-1.21% of manganese, 3.40-3.44% of sodium chloride, 4.65-4.75% of chromium and the balance of iron.
2. The high-strength deteriorated alloy hammer head for sand making machine according to claim 1, wherein at least three keyways (3) and positioning assemblies are provided.
3. The high-strength deteriorated alloy hammer head for the sand making machine according to claim 2, wherein the side of the engagement block (41) close to the mounting hole (2) is uniformly provided with anti-slip teeth (411).
4. The high-strength deteriorated alloy hammer head for sand making machine according to claim 3, wherein the bite block (41) is arc-shaped.
CN201811238838.9A 2018-10-23 2018-10-23 High-strength metamorphic alloy hammer head for sand making machine Active CN109127002B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811238838.9A CN109127002B (en) 2018-10-23 2018-10-23 High-strength metamorphic alloy hammer head for sand making machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811238838.9A CN109127002B (en) 2018-10-23 2018-10-23 High-strength metamorphic alloy hammer head for sand making machine

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CN109127002A CN109127002A (en) 2019-01-04
CN109127002B true CN109127002B (en) 2021-06-11

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201049306Y (en) * 2007-06-11 2008-04-23 李朝建 Hammer handle coordinated with crusher connecting hammer head
DE202010014030U1 (en) * 2010-10-08 2012-01-09 Doppstadt Familienholding Gmbh Mallets with a cutting insert and a base body
CN203184074U (en) * 2013-04-18 2013-09-11 韩城市科广金属精工厂 Hammerhead for hammer of impact crusher
CN105543571B (en) * 2015-12-16 2018-01-26 湖南科技大学 High-strength aluminum alloy material and preparation method thereof
CN206702877U (en) * 2017-03-29 2017-12-05 东莞市朝祥五金制品有限公司 Fixtures for hardware processing
CN107020352A (en) * 2017-05-16 2017-08-08 东洋铁球(马鞍山)有限公司 A kind of rich chromium cast iron tup casting technique

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