CN111282813A - Double-layer metal composite wear-resistant sieve plate and manufacturing process thereof - Google Patents
Double-layer metal composite wear-resistant sieve plate and manufacturing process thereof Download PDFInfo
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- CN111282813A CN111282813A CN201911257729.6A CN201911257729A CN111282813A CN 111282813 A CN111282813 A CN 111282813A CN 201911257729 A CN201911257729 A CN 201911257729A CN 111282813 A CN111282813 A CN 111282813A
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- sieve
- steel plate
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- 239000002905 metal composite material Substances 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000010791 quenching Methods 0.000 claims abstract description 20
- 230000000171 quenching effect Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000005496 tempering Methods 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims abstract description 7
- 238000005098 hot rolling Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 3
- 238000005238 degreasing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000007873 sieving Methods 0.000 abstract description 6
- 238000012216 screening Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 6
- 230000005284 excitation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4618—Manufacturing of screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Rolling Contact Bearings (AREA)
- Heat Treatment Of Steel (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a double-layer metal composite wear-resistant sieve plate and a manufacturing process thereof, and relates to the field of sieving devices, wherein the wear-resistant sieve plate comprises a wear-resistant layer and a stress bearing layer, the wear-resistant layer is positioned above the stress bearing layer, and the wear-resistant layer and the stress bearing layer are attached through a hot rolling process; the sieve pores penetrate through the wear-resistant layer and the stress bearing layer and are uniformly distributed on the wear-resistant sieve plate. The manufacturing process comprises the working procedures of pretreatment, pressing, rolling, stamping, quenching, tempering and flattening. The invention has the beneficial effects that: adopt double-deck composite construction preparation sieve, upper and lower two-layer material has wearability and toughness, is guaranteeing under the prerequisite of the whole toughness of composite sieve board, can effectively promote the life of sieve, and screening efficiency is also higher simultaneously.
Description
Technical Field
The invention relates to the field of screening devices, in particular to a double-layer metal composite wear-resistant screen plate and a manufacturing process thereof.
Background
The vibrating screen is a material grading device, which comprises an excitation device, a screen box, a screen plate and the like, wherein the screen box and the screen plate are driven to vibrate through the operation of the excitation device in the screening working process, material particles larger than the size of the screen holes are reserved on the screen surface, and material particles smaller than the size of the screen holes are screened out through the screen holes, so that the separation of materials is realized. The sieve plate is a key component in the vibration sieving equipment, and mainly plays a role in grading materials, and the abrasion is a main failure mode of the sieve plate.
In the commonly used sieve plate materials, high manganese steel is the most common metal material, and the high manganese steel material has the advantages that under the strong impact or heavy load working condition, due to the work hardening characteristic of the high manganese steel, the surface hardness of the high manganese steel is rapidly improved, but in the vibration sieving equipment, the impact force generated by the material is small, the work hardening effect is not obvious, the surface hardness of the high manganese steel is not enough to be obviously improved, and therefore under the sieving working condition, the high manganese steel material is quickly abraded due to insufficient hardness.
The polyurethane material is another common sieve plate material, and the polyurethane sieve plate is characterized by high wear resistance and long service life, but is expensive, and has lower sieving efficiency than a metal sieve plate due to lower opening rate than the metal sieve plate.
Therefore, it is necessary to develop a composite wear-resistant sieve plate with wear resistance, toughness, high overall strength and long service life.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a double-layer metal composite wear-resistant sieve plate and a manufacturing process thereof, which can effectively prolong the service life of the sieve plate on the premise of maintaining higher sieving efficiency.
The purpose of the invention is achieved by the following technical scheme: the double-layer metal composite wear-resistant sieve plate mainly comprises a wear-resistant layer and a stress bearing layer, wherein the wear-resistant layer is positioned above the stress bearing layer and is attached to the stress bearing layer through a hot rolling process; the sieve pores penetrate through the wear-resistant layer and the stress bearing layer and are uniformly distributed on the wear-resistant sieve plate.
Preferably, the wear-resistant layer is made of a steel plate with the carbon content of more than 0.55%, and the stress bearing layer is made of a steel plate with the carbon content of less than 0.25%.
The manufacturing process of the double-layer metal composite wear-resistant sieve plate mainly comprises the following steps:
(1) and (3) pretreatment: performing acid washing, degreasing and polishing procedures on the contact surface of the two layers of thick steel plate blanks to be processed, and removing surface impurities and oxide layers to expose fresh metal;
(2) and pressing: compacting the two layers of steel plate blanks obtained in the step (1), and welding the seams at the periphery of the steel plates by a vacuum welding technology;
(3) and rolling: carrying out heating-heat preservation-rolling process on the steel plate obtained in the step (2), repeating for many times, and gradually rolling the thick plate to the final thickness;
(4) and stamping: carrying out a stamping process on the steel plate obtained in the step (3), processing sieve pores, and cutting;
(5) and quenching: quenching the stamped steel plate;
(6) and tempering: the steel plate after quenching is subjected to stress relief tempering, and the tempering temperature is 180-250 ℃;
(7) leveling: and (4) carrying out surface leveling treatment on the composite sieve plate obtained after tempering.
Further, after each rolling process in the step (3), annealing is performed according to the specific conditions of the steel plate to soften the material, so that the next rolling is performed.
Further, the quenching process in the step (5) can adopt a form of quenching after the whole heating of the heating furnace, and can also adopt an induction quenching form.
The invention has the beneficial effects that: adopt double-deck composite construction preparation sieve, upper and lower two-layer material has wearability and toughness, is guaranteeing under the prerequisite of the whole toughness of composite sieve board, can effectively promote the life of sieve, and screening efficiency is also higher simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: wear-resisting layer 1, atress bearer layer 2, sieve mesh 3.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawing 1, the double-layer metal composite wear-resistant sieve plate mainly comprises a wear-resistant layer 1 and a stress bearing layer 2, wherein the wear-resistant layer 1 is positioned above the stress bearing layer 2, and the wear-resistant layer 1 and the stress bearing layer 2 are bonded through a hot rolling process; the sieve pores 3 penetrate through the wear-resistant layer 1 and the stress bearing layer 2 and are uniformly distributed on the wear-resistant sieve plate.
Preferably, the wear-resistant layer 1 is made of a steel plate with the carbon content of more than 0.55%, and the stress bearing layer 2 is made of a steel plate with the carbon content of less than 0.25%.
The manufacturing process of the double-layer metal composite wear-resistant sieve plate mainly comprises the following steps:
(1) and (3) pretreatment: performing acid washing, degreasing and polishing procedures on the contact surface of the two layers of thick steel plate blanks to be processed, and removing surface impurities and oxide layers to expose fresh metal;
(2) and pressing: compacting the two layers of steel plate blanks obtained in the step (1), and welding the seams at the periphery of the steel plates by a vacuum welding technology;
(3) and rolling: carrying out heating-heat preservation-rolling process on the steel plate obtained in the step (2), repeating for many times, and gradually rolling the thick plate to the final thickness; annealing according to the specific condition of the steel plate after each rolling procedure to soften the material so as to carry out the next rolling;
(4) and stamping: carrying out a stamping process on the steel plate obtained in the step (3), processing sieve pores, and cutting to obtain other required structures;
(5) and quenching: after the stamping is finished, the steel plate is subjected to a quenching process, after quenching, the hardness of the wear-resistant layer reaches above 55HRC, and the hardness of the supporting layer is below 350HBS, so that a structural form that the upper layer is high in hardness and wear-resistant, and the lower layer is low in hardness and bearing capacity is formed;
(6) and tempering: the steel plate after quenching is subjected to stress relief tempering, and the tempering temperature is 180-250 ℃;
(7) leveling: and (4) carrying out surface leveling treatment on the composite sieve plate obtained after tempering.
Preferably, the cutting process in the step (4) adopts a laser cutting process.
Preferably, the quenching process in the step (5) may be in the form of quenching after heating the whole heating furnace, and may also be in the form of induction quenching.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a compound wear-resisting sieve of double-deck metal which characterized in that: the wear-resistant layer mainly comprises a wear-resistant layer (1) and a stress bearing layer (2), wherein the wear-resistant layer (1) is positioned above the stress bearing layer (2), and the wear-resistant layer and the stress bearing layer are jointed through a hot rolling process; the sieve pores (3) penetrate through the wear-resistant layer (1) and the stressed bearing layer (2) and are uniformly distributed on the wear-resistant sieve plate.
2. The double-layer metal composite wear-resistant screen plate of claim 1, wherein: the wear-resistant layer (1) is made of a steel plate with the carbon content of more than 0.55%, and the stress bearing layer (2) is made of a steel plate with the carbon content of less than 0.25%.
3. A process for manufacturing a double-deck metal composite abrasion resistant screen deck as claimed in claim 1, wherein: the process comprises the following steps:
(1) and (3) pretreatment: performing acid washing, degreasing and polishing procedures on the contact surface of the two layers of thick steel plate blanks to be processed, and removing surface impurities and oxide layers to expose fresh metal;
(2) and pressing: compacting the two layers of steel plate blanks obtained in the step (1), and welding the seams at the periphery of the steel plates by a vacuum welding technology;
(3) and rolling: carrying out heating-heat preservation-rolling process on the steel plate obtained in the step (2), repeating for many times, and gradually rolling the thick plate to the final thickness;
(4) and stamping: carrying out a stamping process on the steel plate obtained in the step (3), processing sieve pores, and cutting;
(5) and quenching: quenching the stamped steel plate;
(6) and tempering: the steel plate after quenching is subjected to stress relief tempering, and the tempering temperature is 180-250 ℃;
(7) leveling: and (4) carrying out surface leveling treatment on the composite sieve plate obtained after tempering.
4. The method for manufacturing the double-layer metal composite wear-resistant screen plate according to claim 3, wherein the method comprises the following steps: and (4) annealing to soften the material according to the specific condition of the steel plate after each rolling procedure in the step (3) so as to perform the next rolling.
5. The method for manufacturing the double-layer metal composite wear-resistant screen plate according to claim 3, wherein the method comprises the following steps: the quenching process in the step (5) can adopt a mode of quenching after integral heating of a heating furnace, and can also adopt an induction quenching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257729.6A CN111282813A (en) | 2019-12-10 | 2019-12-10 | Double-layer metal composite wear-resistant sieve plate and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257729.6A CN111282813A (en) | 2019-12-10 | 2019-12-10 | Double-layer metal composite wear-resistant sieve plate and manufacturing process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111282813A true CN111282813A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911257729.6A Pending CN111282813A (en) | 2019-12-10 | 2019-12-10 | Double-layer metal composite wear-resistant sieve plate and manufacturing process thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784755A (en) * | 2011-05-18 | 2012-11-21 | 兴化市振南合金机械有限公司 | Wear-resisting composite sieve plate |
| JP3190120U (en) * | 2014-02-05 | 2014-04-17 | 東洋スクリーン工業株式会社 | Vibrating screen |
| CN103882317A (en) * | 2012-12-21 | 2014-06-25 | 鞍钢股份有限公司 | Composite wear-resistant steel plate with good plasticity and toughness and manufacturing method thereof |
| CN212310078U (en) * | 2019-12-10 | 2021-01-08 | 日昌升建筑新材料设计研究院有限公司 | Bimetal wear-resisting sieve plate |
-
2019
- 2019-12-10 CN CN201911257729.6A patent/CN111282813A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784755A (en) * | 2011-05-18 | 2012-11-21 | 兴化市振南合金机械有限公司 | Wear-resisting composite sieve plate |
| CN103882317A (en) * | 2012-12-21 | 2014-06-25 | 鞍钢股份有限公司 | Composite wear-resistant steel plate with good plasticity and toughness and manufacturing method thereof |
| JP3190120U (en) * | 2014-02-05 | 2014-04-17 | 東洋スクリーン工業株式会社 | Vibrating screen |
| CN212310078U (en) * | 2019-12-10 | 2021-01-08 | 日昌升建筑新材料设计研究院有限公司 | Bimetal wear-resisting sieve plate |
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Application publication date: 20200616 |