CN114798095A - Rubber steel composite lining plate and manufacturing process thereof - Google Patents
Rubber steel composite lining plate and manufacturing process thereof Download PDFInfo
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- CN114798095A CN114798095A CN202210418543.XA CN202210418543A CN114798095A CN 114798095 A CN114798095 A CN 114798095A CN 202210418543 A CN202210418543 A CN 202210418543A CN 114798095 A CN114798095 A CN 114798095A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 109
- 239000010959 steel Substances 0.000 title claims abstract description 109
- 229920001971 elastomer Polymers 0.000 title claims abstract description 84
- 239000005060 rubber Substances 0.000 title claims abstract description 84
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 38
- 239000011572 manganese Substances 0.000 claims abstract description 38
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 230000003712 anti-aging effect Effects 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 229910021382 natural graphite Inorganic materials 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004014 plasticizer Substances 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 2
- 230000008093 supporting effect Effects 0.000 description 21
- 238000000227 grinding Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000914 Mn alloy Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
- B02C17/225—Lining for containers using rubber or elastomeric material
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a rubber steel composite lining plate and a manufacturing process thereof, wherein the rubber layer is arranged below a framework layer, the framework layer is an integral wave-shaped high-manganese wear-resistant steel plate, a plurality of screw holes are cut in the width direction of the wave-shaped high-manganese wear-resistant steel plate along the length direction on the middle line in the width direction, support frames arranged in the length direction and the width direction are arranged on two sides of each screw hole, a lining plate parallel to the wave-shaped high-manganese wear-resistant steel plate is arranged on each support frame, and corresponding mounting holes are formed in the positions, corresponding to the screw holes, of the lining plate. Adopt the steel skeleton of one shot forming's monoblock high manganese wear-resisting steel board as rubber steel composite liner board, compare the skeleton that forms in welding behind the polylith cutting, this application stress concentration's connecting wire is less, has better intensity and stability.
Description
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a rubber steel composite lining plate and a manufacturing process thereof.
Background
The ball mill is the key equipment for crushing the materials after the materials are crushed. The grinding bodies in the ball mill are generally steel balls and are loaded into a barrel according to different diameters and a certain proportion, and the grinding bodies can also be steel sections. The material is selected according to the granularity of the ground material, the material is filled into the cylinder body from the hollow shaft at the feed end of the ball mill, when the cylinder body of the ball mill rotates, the grinding body is attached to the lining plate of the cylinder body and is taken away by the cylinder body due to the action of inertia and centrifugal force and the action of friction force, and when the cylinder body is taken to a certain height, the grinding body is thrown down due to the gravity of the grinding body, and the falling grinding body breaks the material in the cylinder body like a projectile body. The inner lining of the dry process mill in the industries of mineral separation, building materials and the like is mostly a steel lining plate made of full high manganese alloy, but the inner lining is heavy in weight, large in energy loss, high in labor cost during installation and replacement, large in noise during operation and large in environmental influence.
The existing rubber and high-manganese alloy composite steel lining plate has the problems of insufficient supporting force of a steel skeleton, easiness in generation of cracks during shaping, immaturity of a rubber composite forming process and the like, and the steel skeleton assembled by a plurality of steel plates is poor in stability and cannot meet the use requirement of a ball mill.
Disclosure of Invention
The invention aims to solve the technical problems of insufficient supporting force and difficult shaping of a steel skeleton, overcomes the defects and shortcomings in the background technology and provides a rubber steel composite lining plate and a manufacturing process thereof.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a compound welt of rubber steel, includes casing ply and rubber layer, the rubber layer sets up in the casing ply below, the casing ply is a holistic wavy high manganese wear-resisting steel sheet, on the width direction center line of wavy high manganese wear-resisting steel sheet, there are a plurality of screw holes along length direction cutting, screw hole both sides are provided with the support frame of arranging along length, width direction, be provided with the welt of parallel and wavy high manganese wear-resisting steel sheet on the support frame, the welt corresponds the position with the screw hole and has seted up corresponding mounting hole.
The screw hole of the rubber steel composite lining plate needs to be combined with a corresponding fastener, and the corresponding mounting holes are formed in the positions, corresponding to the screw holes, of the lining plate, so that the fastening nuts are convenient to mount and use.
Preferably, a plurality of width direction supporting frames tangent to two sides of the screw hole are arranged below the wave-shaped high-manganese wear-resistant steel plate, two length direction supporting frames are connected between the two width direction supporting frames on the outermost side, and the end points of the rest width direction supporting frames are connected with the length direction supporting frames. More preferably, the number of the support frames in the width direction is four, and the number of the support frames in the length direction is two.
Above-mentioned support frame structure all plays better rigid coupling, supporting effect at length, width direction, can effectively deal with many-sided deformation, and the support frame is perpendicular with steel sheet itself, and not too much rubber layer space is occupied when compound rubber layer.
Preferably, the screw hole is vulcanized and matched with a fastening nut of a corresponding piece. The screw hole is through the cutting, for fastening nut reservation installation space, and the fastening nature and the wholeness of this application for guaranteeing fastening nut and screw hole installation carry out vulcanization in screw hole department, and vulcanized rubber is unanimous with rubber layer rubber nature, guarantees its compatibility, reduces stress concentration. Preferably, the rubber steel composite lining plate is spliced by a plurality of blocks and applied to the inner wall of any one of a ball mill, a stirrer and a crusher, and the rubber layer of the rubber steel composite lining plate is used as the wall surface of the inner wall.
The inner walls of the ball mill, the stirrer and the crusher are frequently and high-speed combined with materials, on one hand, the friction force of the inner walls is required to be strong, the flexibility is high, the materials are not damaged, on the other hand, the inner walls are frequently abraded, and the inner walls are frequently required to be replaced. This application is as inner wall material with compound welt, and the support nature of internal face has been guaranteed to the casing ply, and the pliability of inner wall is guaranteed on the rubber layer, and the rubber layer of this application welt is after wearing and tearing, because the polylith concatenation is applied to ball mill etc. changes easily, and the accessible vulcanizes the mode of handling compound rubber once more and utilizes repeatedly, and the environment-friendly is good.
Preferably, the rubber raw materials used for the rubber layer include:
preferably, the carbon black comprises N330 carbon black, the graphite comprises graphite SG6 and/or graphite SG3, the vulcanizing agent comprises stearic acid, the plasticizer comprises coumarone, the anti-aging agent comprises at least one of anti-aging agent 4010Na, anti-aging agent BLE-W and anti-aging agent RD, and the accelerator comprises at least one of accelerator CBS, accelerator DM and accelerator TMTD.
Under the same technical concept, the application also provides a manufacturing process of the rubber steel composite lining plate, which comprises the following steps:
(1) heating the high manganese wear-resistant steel plate to the temperature of 180 ℃ and 220 ℃ and preserving the heat for 20-40 min;
(2) cold-pressing the high-manganese wear-resistant steel plate and the rubber layer by using a die for one-step forming to obtain a wave-shaped high-manganese wear-resistant steel plate;
(3) cutting screw holes on the wave-shaped high-manganese wear-resistant steel plate, and welding a support frame and a lining plate;
(4) and vulcanizing the screw hole, compounding the rubber layer again, polishing and removing rust to obtain the rubber and steel composite lining plate.
In order to ensure the structure and the performance, the traditional high-manganese wear-resistant steel needs to be subjected to water toughening treatment before leaving a factory, and the high-manganese wear-resistant steel after the water toughening treatment has a precipitation-free austenite structure, so that better mechanical and wear-resistant performance can be ensured. For the finished product of the high-manganese wear-resistant steel subjected to water toughening, the steel plate is heated and insulated, so that the internal stress of the steel plate can be effectively removed, the stability of the steel plate in the subsequent cutting and forming processes is ensured, and abnormal deformation caused by uneven internal stress is reduced.
Preferably, the mold in step (2) is made of a composite material, the mold comprises a shell and an inner coating, the shell is made of at least one of carbon mold steel, alloy mold steel and high-speed steel, and the inner coating comprises at least one of natural graphite, clay, silicon carbide, aluminum oxide and carborundum. Mould hardness and intensity can be guaranteed to the special material mould, chooses for use high temperature resistant material preparation undercoating simultaneously, has thermal-insulated and the efficiency of protection mould, avoids mould deformation in the forming process, leads to the unusual deformation of wave type high manganese wear-resisting steel sheet.
Preferably, the fillet R value of the die in the step (2) is the same as the thickness of the high manganese wear-resistant steel plate. The forming precision of the wave-shaped high-manganese wear-resistant steel plate can be effectively ensured; when the die is used for cold-pressing and one-step forming of the high-manganese wear-resistant steel plate, lubricating oil is smeared at the die profiling fillet, and micro cracks of the high-manganese wear-resistant steel plate are prevented.
Preferably, the screw hole is vulcanized, the rubber layer is compounded at the screw hole again through the vulcanization, and the shape of the rubber layer corresponds to that of a fastening nut matched with the screw hole.
Compared with the prior art, the invention has the beneficial effects that:
(1) compared with a plurality of frameworks formed by welding after cutting, the rubber steel composite lining plate has fewer connecting lines with concentrated stress and has better strength and stability.
(2) The arrangement mode of the framework layer supporting frames is designed, two tangent width direction supporting frames are arranged on two sides of a screw hole, the two length direction supporting frames are connected with each other, stress conditions in different directions are favorably met, the length direction supporting frames and the width direction supporting frames respectively provide mechanical support for the other side, and the deformation condition of the supporting frames after stress is reduced. The screw hole is a stress concentration point due to the hole tangent line, and the support frame is arranged around the screw hole, so that the problem of stress concentration is relieved.
(3) The manufacturing process has the advantages that the stability of the heat-treated steel plate during cutting forming is guaranteed, the special die steel is adopted, the hardness and the strength are guaranteed, the R value of the die profiling fillet is 1a (one-time plate thickness), and the forming precision of the corrugated plate can be effectively guaranteed.
(4) The rubber layer can resist the temperature of 150 ℃, and the graphite SG6 and the graphite SG3 have excellent heat-conducting property and better heat-resisting property, thereby playing the roles of shock resistance, heat conduction and noise reduction. The rubber steel composite lining plate and the original cast steel lining plate have the characteristics of light volume, convenient installation and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of a rubber steel composite lining plate framework layer;
FIG. 2 is a schematic view of the back of a rubber steel composite lining plate framework layer;
FIG. 3 is a front view of the upper shell of the mold in the manufacturing process of the rubber steel composite lining plate;
FIG. 4 is a top view of the upper shell of the mold in the manufacturing process of the rubber steel composite lining plate;
FIG. 5 is a schematic perspective view of the upper shell of the mold in the process of manufacturing the rubber steel composite lining plate;
FIG. 6 is a front view of the lower shell of the mold in the process of manufacturing the rubber steel composite lining plate;
FIG. 7 is a top view of a lower mold shell in the manufacturing process of the rubber steel composite liner plate;
FIG. 8 is a perspective view of the lower mold shell in the process of manufacturing the rubber steel composite liner plate;
FIG. 9 is a diagram of a rubber steel composite lining plate skeleton layer;
FIG. 10 is a schematic view of the combination of a rubber steel composite liner plate skeleton layer and a rubber layer.
Wherein, 1, a framework layer; 2. a rubber layer; 3. a screw hole; 4. a support frame; 5. a liner plate.
Detailed Description
In order to facilitate understanding of the invention, the invention will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
Example 1:
the rubber steel composite lining plate is used for the inner wall surface of a ball mill and comprises a framework layer 1 and a rubber layer 2, wherein the rubber layer 2 is arranged below the framework layer 1, the framework layer is an integral wavy high-manganese wear-resistant steel plate, the wavy high-manganese wear-resistant steel plate is made of Mn13 high-manganese wear-resistant steel, and the size of the wavy high-manganese wear-resistant steel plate is 350mm in width, 490mm in length and 6mm in thickness.
Fig. 1 and 2 are schematic diagrams of the front and back of a rubber steel composite lining plate framework layer, and show approximate positions of a screw hole and a tangent support frame.
FIGS. 3, 4, 5, 6, 7 and 8 are schematic views of dies in the manufacturing process of the rubber steel composite lining plate;
FIG. 9 is a diagram of a rubber steel composite lining plate skeleton layer;
FIG. 10 is a schematic view of the rubber steel composite lining plate with a skeleton layer and a rubber layer, wherein the rubber layer is arranged on the lower side of the skeleton layer.
On the width direction middle line of the wave-shaped high-manganese wear-resistant steel plate, extending 125 mm from the length direction central point to two ends to be used as the center, respectively cutting an oval screw hole 3 with the size of 44mm to 66mm (the size of 66mm is along the length direction), vulcanizing the screw hole 3, and matching with a fastening nut of a corresponding piece; four supporting frames 4 which are arranged along the tangential width direction of the screw hole and are tangent to the screw hole are arranged on two sides of the screw hole 3, two supporting frames 4 which are arranged along the length direction are arranged, two supporting frames 4 along the length direction are connected between the two supporting frames 4 along the width direction on the outermost side, and the terminal points of the other two supporting frames 4 along the width direction are connected with the supporting frames along the length direction.
The supporting frame is provided with a lining plate 5 parallel to the wave-shaped high-manganese wear-resistant steel plate, the thickness of the lining plate is 3mm, the width of the lining plate is 32mm, the length of the lining plate is 290mm, and corresponding mounting holes are formed in positions corresponding to the screw holes.
The rubber raw materials adopted by the rubber layer comprise: 100 styrene-butadiene 1502 rubber, 40N33 carbon black, 20 graphite SG6, 15 graphite SG3, 15 white carbon black, 10 asphalt, 16 coumarone, 10 zinc oxide, 2.0 stearic acid, 1.0 anti-aging agent 4010Na, 1.5 anti-aging agent BLE-W, 1.5 anti-aging agent RD, 0.8 accelerator CBS, 1.0 accelerator DM and 2.4 accelerator TMTD.
The final mass of the rubber steel composite lining plate is 14.5 kg.
The manufacturing process of the rubber steel composite lining plate comprises the following steps:
1. purchasing NM600E, 2000mm 7800mm 6mm thick high-abrasion-resistance steel plates;
2. dividing the whole plate into 88 blocks of 350mm 490mm 6mm by using a numerical control cutting machine (laser, plasma, oxygen acetylene, etc.) (cutting seam 3 mm);
3. carrying out heat treatment on a 350mm by 490mm by 6mm thick steel plate, heating to 200 ℃, and preserving heat for 30min to ensure the stability of the steel plate in the subsequent cutting and high-temperature electric furnace internal forming processes;
4. processing high-manganese wear-resistant steel with the thickness of 350mm 490mm 6mm into a corrugated plate by using a 2000-ton press, compounding a rubber layer, and performing cold press molding on the high-manganese wear-resistant steel by using a special die;
the special mold comprises a shell and an inner coating, wherein the shell is made of carbon mold steel, and the inner coating is made of natural graphite.
The R value of the die profiling fillet is 1a (one time of plate thickness), so that the forming precision of the wave-shaped high-manganese wear-resistant steel plate can be effectively ensured;
during cold machining, lubricating oil is smeared at the die profiling fillet, so that the high-manganese wear-resistant steel plate is prevented from generating micro cracks.
5. Cutting an oval screw hole (with the size of 66mm in the direction of 490 mm) of 44mm 66mm from the central point of 490mm of the pressed corrugated plate (300 x 490 x 6) and from the central point of 300mm to the two ends of the pressed corrugated plate by 125 mm;
6. after cutting, welding screw bags (specially made) at two holes, and respectively adding a common lining plate with the thickness of 3mm x 32mm x 290mm at the outer edge of each screw bag to form two screw bags; vulcanizing the screw hole, compounding a rubber layer at the screw hole again by vulcanization, wherein the shape of the rubber layer corresponds to that of a fastening nut matched with the screw hole;
7. polishing and derusting in an independent closed space;
8. adhesive coating: a conventional primer 815, a topcoat 825;
9. the lower layer of the corrugated steel plate is a rubber layer, and the thickness of the rubber layer is 306mm 490mm 43 mm.
Claims (10)
1. The utility model provides a compound welt of rubber steel, includes casing ply (1) and rubber layer (2), rubber layer (2) set up in casing ply (1) below, its characterized in that, casing ply (1) is the wear-resisting steel sheet of a holistic wavy high manganese, on the width direction center line of the wear-resisting steel sheet of wavy high manganese, there are a plurality of screw holes (3) along length direction cutting, screw hole (3) both sides are provided with support frame (4) that length, width direction were arranged, be provided with welt (5) that are on a parallel with the wear-resisting steel sheet of wavy high manganese on support frame (4), corresponding mounting hole has been seted up with screw hole (3) corresponding position in welt (5).
2. The rubber-steel composite liner plate as claimed in claim 1, wherein a plurality of width direction support frames (4) tangential to two sides of the screw hole (3) are arranged below the wave-shaped high-manganese wear-resistant steel plate, two length direction support frames (4) are connected between the two width direction support frames (4) at the outermost side, and the end points of the rest width direction support frames (4) are connected with the length direction support frames (4).
3. A rubber-steel composite liner as claimed in claim 2, wherein the screw holes (3) are vulcanised to fit with the fastening nuts of their counterparts.
4. The rubber steel composite liner plate as claimed in any one of claims 1 to 3, wherein the rubber steel composite liner plate is formed by splicing a plurality of rubber steel composite liner plates and is applied to the inner wall of any one of a ball mill, a blender and a crusher, and the rubber layer of the rubber steel composite liner plate is used as the wall surface of the inner wall.
5. The rubber-steel composite liner plate of claim 1, wherein the rubber layer is made of rubber materials comprising:
6. the rubber steel composite liner plate of claim 5, wherein the carbon black comprises N330 carbon black, the graphite comprises graphite SG6 and/or graphite SG3, the vulcanizing agent comprises stearic acid, the plasticizer comprises coumarone, the anti-aging agent comprises at least one of anti-aging agent 4010Na, anti-aging agent BLE-W and anti-aging agent RD, and the accelerator comprises at least one of accelerator CBS, accelerator DM and accelerator TMTD.
7. A process for manufacturing a rubber steel composite liner plate as claimed in any one of claims 1 to 6, comprising the steps of:
(1) heating the high manganese wear-resistant steel plate to the temperature of 180 ℃ and 220 ℃ and preserving the heat for 20-40 min;
(2) cold-pressing the high-manganese wear-resistant steel plate and the rubber layer by using a die for one-step forming to obtain a wave-shaped high-manganese wear-resistant steel plate;
(3) cutting screw holes on the wave-shaped high-manganese wear-resistant steel plate, and welding a support frame and a lining plate;
(4) and vulcanizing the screw hole, compounding the rubber layer again, polishing and removing rust to obtain the rubber and steel composite lining plate.
8. The process for manufacturing a rubber steel composite liner plate according to claim 7, wherein in the step (2), the mold is made of a composite material and comprises a shell and an inner coating, the shell is made of at least one of carbon mold steel, alloy mold steel and high-speed steel, and the inner coating comprises at least one of natural graphite, clay, silicon carbide, aluminum oxide and carborundum.
9. The manufacturing process of the rubber steel composite liner plate as claimed in claim 8, wherein in the step (2), the fillet R value of the die is the same as the thickness of the high manganese wear-resistant steel plate, and when the die is used for cold-pressing and one-step forming of the high manganese wear-resistant steel plate, lubricating oil is smeared at the profiling fillet of the die.
10. The manufacturing process of the rubber-steel composite lining plate according to claim 8, wherein the screw hole is vulcanized in the step (1), the vulcanized screw hole is compounded with the rubber layer again, and the shape of the rubber layer corresponds to that of a fastening nut matched with the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418543.XA CN114798095B (en) | 2022-04-20 | 2022-04-20 | Rubber steel composite lining plate and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418543.XA CN114798095B (en) | 2022-04-20 | 2022-04-20 | Rubber steel composite lining plate and manufacturing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114798095A true CN114798095A (en) | 2022-07-29 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202242166U (en) * | 2011-08-18 | 2012-05-30 | 陈伟 | Abrasion-resisting adhesion-proof composite mixing machine liner plate |
| CN102492193A (en) * | 2011-12-08 | 2012-06-13 | 四川轮胎橡胶（集团）股份有限公司 | Lining plate rubber material for abrasion-resisting ball-milling machine |
| CN110499476A (en) * | 2019-09-03 | 2019-11-26 | 昆明理工大学 | A kind of high performance double metal wear-resistant liner and preparation method |
| CN213468043U (en) * | 2020-09-14 | 2021-06-18 | 广西信发铝电有限公司 | Ball mill |
| CN113019596A (en) * | 2021-03-12 | 2021-06-25 | 靖江市永信特钢有限公司 | Composite lining plate for large-scale semi-autogenous mill and manufacturing method thereof |
| CN214346911U (en) * | 2020-11-20 | 2021-10-08 | 金堆城钼业汝阳有限责任公司 | Lining assembly of ball mill |
| CN113929986A (en) * | 2021-10-14 | 2022-01-14 | 醴陵市橡胶制品厂有限责任公司 | Rubber composite material, rubber high-manganese alloy steel composite lining plate and preparation process thereof |
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2022
- 2022-04-20 CN CN202210418543.XA patent/CN114798095B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202242166U (en) * | 2011-08-18 | 2012-05-30 | 陈伟 | Abrasion-resisting adhesion-proof composite mixing machine liner plate |
| CN102492193A (en) * | 2011-12-08 | 2012-06-13 | 四川轮胎橡胶（集团）股份有限公司 | Lining plate rubber material for abrasion-resisting ball-milling machine |
| CN110499476A (en) * | 2019-09-03 | 2019-11-26 | 昆明理工大学 | A kind of high performance double metal wear-resistant liner and preparation method |
| CN213468043U (en) * | 2020-09-14 | 2021-06-18 | 广西信发铝电有限公司 | Ball mill |
| CN214346911U (en) * | 2020-11-20 | 2021-10-08 | 金堆城钼业汝阳有限责任公司 | Lining assembly of ball mill |
| CN113019596A (en) * | 2021-03-12 | 2021-06-25 | 靖江市永信特钢有限公司 | Composite lining plate for large-scale semi-autogenous mill and manufacturing method thereof |
| CN113929986A (en) * | 2021-10-14 | 2022-01-14 | 醴陵市橡胶制品厂有限责任公司 | Rubber composite material, rubber high-manganese alloy steel composite lining plate and preparation process thereof |
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| CN114798095B (en) | 2023-11-10 |
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