CN108792499A - A kind of preparation method of rubber-coated roller - Google Patents
A kind of preparation method of rubber-coated roller Download PDFInfo
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- CN108792499A CN108792499A CN201810297570.XA CN201810297570A CN108792499A CN 108792499 A CN108792499 A CN 108792499A CN 201810297570 A CN201810297570 A CN 201810297570A CN 108792499 A CN108792499 A CN 108792499A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/02—Adaptations of individual rollers and supports therefor
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Abstract
The invention discloses a kind of preparation methods of rubber-coated roller, are related to converyor roller technical field, include the following steps：Step 1：By the raw material for making cylinder skin successively through blanking, pressure arc, roll, weld, anneal and school sired results sequence, be processed as a skin；Step 2：By the raw material for making central shaft successively through blanking, rough turn, quenched and smart car process, it is processed as central shaft；Step 3：Former is subjected to turning process；Step 4：Cylinder skin, central shaft and the former assembly of step 1 to 3 are integrated, roller is formed；Step 5：In cylinder surface cladding rubber layer；Step 6：Turning process is carried out to the rubber layer of cylinder surface, processes surface detail.The present invention is also optimized the rubber layer component and parts by weight of rubber-coated roller, it solves rubber-coated roller and is easy to happen damage, cause transport system is abnormal, influence production efficiency and the rubber layer of rubber-coated roller acid and alkali-resistance and high temperature do not cause rubber-coated roller to use the conditional problem in field.
Description
Technical field
The present invention relates to converyor roller technical field, more particularly to a kind of preparation method of rubber-coated roller.
Background technology
Ribbon conveyer is also known as rubber conveyer or belt conveyor, can be divided into heavy belt feeder such as mine by its conveying capacity
With belt conveyor, light belt conveyer is as being used in electric plastics, food light industry, the industries such as chemical and medicine industry.Belt conveyor is main
It is made of rack, conveyer belt, carrying roller, roller, tensioning apparatus, transmission device etc., has conveying capacity strong, fed distance is remote, knot
Structure is simply easy to maintain, can easily carry out Programmed control and automation mechanized operation.With the accomplished continuously or intermittently movement of conveyer belt
Convey 100KG articles below or powdery, shape article, operation high speed, steady, low noise, and can be transmitted with climb and fall.
In addition to carrying out pure material conveying, it can also be matched with the requirement of the technical process in each industrial enterprise's production procedure, shape
At rhythmical continuous productive process supply line, therefore it is widely used in production practice.
The transmission of belt conveyor mainly by scratching frottage and realize between roller and belt, roller by cylinder skin, former,
The compositions such as central shaft, to improve the mechanical performance of roller, as soon as layer abrasive rubber layer is coated usually on roller external surface,
It is rubber-coated roller.Rubber-coated roller is important component and component part in Belt Conveying transportation system.The encapsulated of roller can effectively change
The operation conditions of kind transport system, protects metal roller not to be worn, prevents transport belt slippery, makes roller fortune synchronous with belt
Turn, to ensure that belt is efficient, operating of large conveying quantity.The encapsulated cunning that can also effectively prevent between roller and belt of roller
Dynamic friction reduces the materials from bonding of cylinder surface, to reduce sideslip and the abrasion of belt.
Roller is acted on by prolonged frictional force and centripetal force during production and application, is easily damaged, and
In transportational process, some hard articles can also damage roller to the impact force of roller, influence the service life of roller, roller is once
Damage will cause conveyer system to be shut down, and seriously affect manufacturing schedule.
The rubber layer of existing common rubber-coated roller cannot work in soda acid, the chemicals such as salt Lip river liquid, when normal packet rubber-surfaced roll
The rubber layer of cylinder can cause to corrode when contacting soda acid, salt Lip river liquid drug, cause the swelling of rubber, occur rubber molecule fracture,
Phenomena such as depolymerization and the decomposition of compounding agent, dissolution, its mechanical strength, physical property is caused to highlight decline, rubber layer is gradual
It is tacky, aoxidize, be hardened, embrittlement, breach etc., attacked by ozone and generate cracking the ability so that corrosion is lost the job completely；It is conventional
It is matrix that the rubber washer of technology, which selects nitrile rubber, and addition other materials achievees the purpose that oil resistant, but its high temperature resistance is not
By force, thus limit rubber-coated roller use field.
Currently, there are much self structures from rubber-coated roller, extend roller by improving the structure design of roller
Service life, rarely to the optimization of rubber-coated roller processing technology, therefore, from rubber-coated roller processing technology angle,
A kind of new technical solution is provided.
Invention content
It is an object of the invention to：A kind of preparation method of rubber-coated roller is provided, rubber-coated roller is solved and is easy to happen
Damage, cause transport system is abnormal, influence production efficiency and the rubber layer of rubber-coated roller not acid and alkali-resistance and high temperature cause it is encapsulated
Roller uses the conditional problem in field.
The technical solution adopted by the present invention is as follows：
A kind of preparation method of rubber-coated roller, includes the following steps：
Step 1：By the raw material for making cylinder skin successively through blanking, pressure arc, roll, weld, anneal and school sired results sequence, be processed as
Cylinder skin；
Step 2：By the raw material for making central shaft successively through blanking, rough turn, quenched and smart car process, it is processed as central shaft；
Step 3：Former is subjected to turning process；
Step 4：Cylinder skin, central shaft and the former assembly of step 1 to 3 are integrated, roller is formed；
Step 5：In cylinder surface cladding rubber layer；
Step 6：Turning process is carried out to the rubber layer of cylinder surface, processes surface detail.
Further, heating rate is no more than 150 DEG C/h, in-furnace temperature in the annealing furnace of annealing operation in the step 1
2~3 hours are kept the temperature after being heated to 600~700 DEG C, 150~170 DEG C is cooled to after heat preservation with the furnace, is then air-cooled to room temperature.
Further, the rubber layer of the step 5 includes following component and parts by weight：Methyl vinyl phenyl silicon rubber 70
~90 parts, 60~80 parts of nitrile rubber, 20~40 parts of rubber and plastic alloy, 8~12 parts of acrylic resin, thermosetting epoxy resin 10
~13 parts, two 1.5~2.5 parts of thio tetra methylthiurams, 0.8~1.2 part of dithio-bis-benzothiazole, high abrasion furnace black 15
~25 parts, pungent 10~20 parts of (fourth) ester of phthalic acid two, 2~4 parts of N- isopropyl-N`- diphenyl-para-phenylene diamines, barium sulfate 5~
15 parts.
Further, the step 5 is as follows：
Step 5.1：It stocks up by each component and parts by weight, carries out natural gum and plasticate, then successively throw above-mentioned raw materials
Entering mixer to be kneaded, is kneaded uniform back glue, 120 DEG C of dump temperature, then, tabletting on a mill park cooling, then
Vulcanizing agent and slice are added on a mill, parks 8 hours cooling or more for use；
Step 5.2：By cooling for use sizing material made from step 5.1, heat refining, refining on a mill is molded plastic emitting material
Piece；
Step 5.3：Peak formula vulcanization process is stepped on using direct steam internal control press cure tank to carry out the sizing material piece of step 5.2
It is for use to form sheet rubber for vulcanizing treatment；
Step 5.4：To the roller of step 4, mechanical grinding or blasting treatment are carried out on surface, and table is removed using cleaning agent
Face dirt uniformly brushes one layer of metal primer after air-drying in cylinder surface；
Step 5.5：The roller cylinder surface that priming paint is coated in step 5.4 uniformly brushes first layer primer in the same direction,
After first layer primer air-dries, then second layer primer is uniformly brushed in the same direction；
Step 5.6：After the primer of step 5.5 air-dries, in the sheet rubber that cylinder surface adhesion step 5.3 obtains, with pressure
Sheet rubber is rolled and is compacted along roll circumference direction by real idler wheel, squeezes out the bubble between sheet rubber and roller, and when extruding presses
Real roller is squeezed from sheet rubber center to two side positions；
Step 5.7：After sheet rubber compacting, one layer of secluding film is coated in sheet rubber periphery, wire binding is used in combination, it then will rolling
Cylinder input sulfuration steam stove carries out vulcanizing treatment, and the temperature in steam oven is 180~200 DEG C；
Step 5.8：Turning processing is carried out to the sheet rubber on vulcanization back roll surface, remaining sheet rubber surface is observed after turning
With the presence or absence of bubble, finds to puncture bubble when bubble, to the independent injecting glue in gap at the bubble, and sheet rubber be pressed herein
It is real.
Further, the curing temperature of step 5.3 vulcanizing treatment and time are respectively：One section 115 DEG C, 90min；
Two sections 125 DEG C, 60min；Three sections 133 DEG C, 100min；Four sections 144 DEG C, 120min；Five sections 150 DEG C, 120min；Then vexed tank
Go out tank after 60min.
Further, the step 5.5 takes the brushing mode that first layer primer is slightly thick, second layer primer is slightly thin.
Further, the secluding film of the step 5.7 is canvas or PET film.
Further, the surface detail of the step 6 is diamond shape, reticulate pattern or chevron shaped.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. a kind of preparation method of rubber-coated roller is effectively improved rubber-coated roller by the optimization to roller processing technology
Performance enables the rubber layer of rubber-coated roller for a long time in acid the rubber layer component of rubber-coated roller and the optimization of parts by weight
Aqueous slkali effect is lower to keep script physical mechanical property, while having high-temperature stability, and expand rubber-coated roller uses field；
2. heating rate is no more than 150 DEG C/h in the annealing furnace of annealing operation in step 1 of the present invention, in-furnace temperature is heated to
2 hours are kept the temperature after 600~700 DEG C, 150~170 DEG C is cooled to after heat preservation with the furnace, is then air-cooled to room temperature, it can be abundant
The welding stress of cylinder skin is eliminated, ensures that the mechanical performance of cylinder skin avoids roller from making to ensure the comprehensive mechanical performance of roller
Damage is abnormal in influences the high efficiency of transport system operation.
3. step 5.5 of the present invention takes the brushing mode that first layer primer is slightly thick, second layer primer is slightly thin, first layer primer
It can be fully coated on the outer layer of metal primer, metal primer is as the transition zone between roller and primer so that first layer bottom
For glue tight bond on cylinder surface, second layer primer is slightly thin to not only contribute to Quick-air-drying, and can be to first layer primer brush
The surface tiny flaw generated when painting carries out repairing adjustment, ensures that the whole uniformity that primer is brushed, second layer primer are slightly thin
Be conducive to ensure two layers of primer between rapidly and efficiently bond, prevent occurring the defects of pinprick, bubble, stomata inside primer.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below to the present invention.
A kind of preparation method of rubber-coated roller, includes the following steps：
Step 1：By the raw material for making cylinder skin successively through blanking, pressure arc, roll, weld, anneal and school sired results sequence, be processed as
Cylinder skin；
Step 2：By the raw material for making central shaft successively through blanking, rough turn, quenched and smart car process, it is processed as central shaft；
Step 3：Former is subjected to turning process；
Step 4：Cylinder skin, central shaft and the former assembly of step 1 to 3 are integrated, roller is formed；
Step 5：In cylinder surface cladding rubber layer；
Step 6：Turning process is carried out to the rubber layer of cylinder surface, processes surface detail.
Further, in order to fully eliminate the welding stress of a skin, the mechanical performance of cylinder skin is ensured, to ensure roller
Comprehensive mechanical performance avoids roller from being abnormal in use and damages the high efficiency that influence transport system is run, in the step 1
Heating rate is no more than 150 DEG C/h in the annealing furnace of annealing operation, and heat preservation 2~3 is small after in-furnace temperature is heated to 600~700 DEG C
When, it cools to 150~170 DEG C after heat preservation with the furnace, is then air-cooled to room temperature.
Further, the rubber layer of the step 5 includes following component and parts by weight：Methyl vinyl phenyl silicon rubber 70
~90 parts, 60~80 parts of nitrile rubber, 20~40 parts of rubber and plastic alloy, 8~12 parts of acrylic resin, thermosetting epoxy resin 10
~13 parts, two 1.5~2.5 parts of thio tetra methylthiurams, 0.8~1.2 part of dithio-bis-benzothiazole, high abrasion furnace black 15
~25 parts, pungent 10~20 parts of (fourth) ester of phthalic acid two, 2~4 parts of N- isopropyl-N`- diphenyl-para-phenylene diamines, barium sulfate 5~
15 parts.
Further, the step 5 is as follows：
Step 5.1：It stocks up by each component and parts by weight, carries out natural gum and plasticate, then successively throw above-mentioned raw materials
Entering mixer to be kneaded, is kneaded uniform back glue, 120 DEG C of dump temperature, then, tabletting on a mill park cooling, then
Vulcanizing agent and slice are added on a mill, parks 8 hours cooling or more for use；
Step 5.2：By cooling for use sizing material made from step 5.1, heat refining, refining on a mill is molded plastic emitting material
Piece；
Step 5.3：Peak formula vulcanization process is stepped on using direct steam internal control press cure tank to carry out the sizing material piece of step 5.2
It is for use to form sheet rubber for vulcanizing treatment；
Step 5.4：To the roller of step 4, mechanical grinding or blasting treatment are carried out on surface, and table is removed using cleaning agent
Face dirt is uniformly brushed one layer of metal primer in cylinder surface and is prolonged it is possible to prevente effectively from cylinder surface pollutes again after air-drying
The storage period of long pretreatment back roll, and be conducive to moistening of the follow-up gluing agent to cylinder surface, improve its glue-joint strength and
Endurance quality contributes to the performance of hoisting drum, extends its service life；
Step 5.5：The roller cylinder surface that priming paint is coated in step 5.4 uniformly brushes first layer primer in the same direction,
After first layer primer air-dries, then second layer primer is uniformly brushed in the same direction, all carried out in the same direction when brushing primer,
It avoids primer adsorption air or package air and generates bubble or stomata on surface, brush speed uniform and stable, contribute to
Air is discharged, and prevents gas bubbles left, improves the adhesion strength of follow-up rubber topping piece and roller, avoids roller from degumming occur existing
As the performance of hoisting drum；
Step 5.6：After the primer of step 5.5 air-dries, in the sheet rubber that cylinder surface adhesion step 5.3 obtains, with pressure
Sheet rubber is rolled and is compacted along roll circumference direction by real idler wheel, squeezes out the bubble between sheet rubber and roller, and when extruding presses
Real roller is squeezed from sheet rubber center to two side positions, is ensured and is squeezed out air, and closely knit glue-line makes rubber topping piece tight bond exist
Drum peripheral, and prevent from air-coating forming bubble inside sheet rubber；
Step 5.7：After sheet rubber compacting, one layer of secluding film is coated in sheet rubber periphery, wire binding is used in combination, makes secluding film
It closely is coated on sheet rubber periphery, roller input sulfuration steam stove is then subjected to vulcanizing treatment, the temperature in steam oven is 180
~200 DEG C, the setting of secluding film both avoided steel wire from directly being contacted with sheet rubber, also avoid roller transport throw stove during with
Collision friction between other rollers, protects sheet rubber, prevents sheet rubber surface layer from occurring wearing or other surfaces defect, and steel wire
The dilatancy situation for tying up and help to improve roller rubber topping piece reduces rubber to improve the use intensity of sheet rubber
There is degumming phenomenon in the generation of film air entrapment in avoiding roller from being used for a long time, ensure transport system stable operation；
Step 5.8：Turning processing is carried out to the sheet rubber on vulcanization back roll surface, remaining sheet rubber surface is observed after turning
With the presence or absence of bubble, finds to puncture bubble when bubble, to the independent injecting glue in gap at the bubble, and sheet rubber be pressed herein
It is real, the rubber-coated roller of finished product is effectively avoided the problem that there are bubble, and the tight bond of raising sheet rubber and roller avoids bubble from existing
Inside is free and influences roller service life, is also prevented from the problem of causing conveyer system to be shut down because of roller accident degumming, from
And production stability is improved, ensure manufacturing schedule.
Further, the curing temperature of step 5.3 vulcanizing treatment and time are respectively：One section 115 DEG C, 90min；
Two sections 125 DEG C, 60min；Three sections 133 DEG C, 100min；Four sections 144 DEG C, 120min；Five sections 150 DEG C, 120min；Then vexed tank
Go out tank after 60min.
Further, in order to allow first layer primer to be fully coated on the outer layer of metal primer, metal primer is allowed to make
Transition zone between roller and primer makes first layer primer tight bond in cylinder surface, makes second layer primer Quick-air-drying,
And the surface tiny flaw generated when can be brushed to first layer primer carries out repairing adjustment, ensures that the entirety that primer is brushed is uniform
Property, and rapidly and efficiently bonding between two layers of primer of guarantee, prevent occurring the defects of pinprick, bubble, stomata inside primer, institute
It states step 5.5 and takes the brushing mode that first layer primer is slightly thick, second layer primer is slightly thin, first layer primer thickness is 0.05~
0.06mm, second layer primer thickness are 0.03~0.05mm.
Further, the secluding film of the step 5.7 be canvas or PET film, PET film good mechanical performance, by force
Toughness is especially prominent, and tensile strength and impact strength are preferable, also has excellent heat-resisting, cold resistance and oil resistivity, suitable
It is coated on the use of sheet rubber periphery.
Further, it in order to increase the frictional force between rubber-coated roller and belt, further prevents roller to skid, improves rolling
The operational efficiency of cylinder ensures conveyer system high-efficiency operation, and the surface detail of the step 6 is diamond shape, reticulate pattern or chevron shaped.
Specific embodiment is as follows：
Step 1：By the raw material for making cylinder skin successively through blanking, pressure arc, roll, weld, anneal and school sired results sequence, be processed as
Cylinder skin, is as follows：
Step 1.1：Blanking using semi auto cutting machine blanking and is cut into welding groove, beveling and cutting at X-type groove,
Cutting surfaces roughness is 50 μm, and it is consistent with material rolling direction that cylinder skin rolls direction；
Step 1.2：It presses arc, the both ends of cylinder skin length of run to extrude circular arc in advance on forcing press, tire radius on arc is pressed to connect
The intradermal radius of circle of nearly cylinder, the length for suppressing circular arc are not less than the 1/8 of cylinder skin circumferential length, and model detection pressure arc internal diameter, sample is used in combination
The gap of plate and cylinder skin is less than 0.5mm；
Step 1.3：It rolls, cylinder skin is rolled into cylinder on veneer reeling machine, drum diameter, model and cylinder skin are detected with model
Gap be less than 0.5mm, model arc length be not less than cylinder skin circumferential length 1/4, cylinder skin roll up to alignment clearance reach 2-3mm time points
Weldering, weld seam a length of 30-50mm, spacing 300-400mm avoid steel plate rolling over thin or interface strength pairing solid point when rolling；
Step 1.4：Cylinder skin is welded into roller, in the present embodiment by welding using Lincoln weld or CO2 gas shielded arc weldings
Using Lincoln weld, weld seam is polished after welding, and needs to be made annealing treatment after the completion of the welding of cylinder skin, cylinder skin is put into and is annealed
Stove, heating rate is no more than 150 DEG C/h in stove, and in-furnace temperature is heated to keeping the temperature 2h at 600 DEG C, with being furnace-cooled to after heat preservation
150 DEG C, it is then air-cooled to room temperature, it is possible thereby to fully eliminate the welding stress of cylinder skin, ensures the mechanical performance of cylinder skin；
Step 1.5：Cylinder skin is put into annealing furnace by annealing, and heating rate is no more than 150 DEG C/h, in-furnace temperature in annealing furnace
2.5 hours are kept the temperature after being heated to 650 DEG C, 160 DEG C is cooled to after heat preservation with the furnace, is then air-cooled to room temperature；
Step 1.6：School is justified, and justifies roller school on veneer reeling machine, and the circularity of cylinder skin is 1mm, and so far, cylinder skin machines.
Step 2：By the raw material for making central shaft successively through blanking, rough turn, quenched and smart car process, it is processed as central shaft,
The performance of central shaft, material can be made largely to be adjusted after modifier treatment, intensity, plasticity and toughness are all significantly
It improves, there is good comprehensive mechanical performance.
Step 3：Former is subjected to turning process, the processing of cylinder skin, central shaft and former is not specific in the present embodiment
Sequencing, each individual component processing carry out unified assembly after the completion.
Step 4：Cylinder skin, central shaft and the former assembly of step 1 to 3 are integrated, roller is formed.
Step 5：In cylinder surface cladding rubber layer, rubber layer has to increase the frictional force between rubber-coated roller and belt
Effect prevents the sliding friction between roller and belt, to reduce belt slippage, reduces sideslip and the abrasion of belt, improves operation effect
Rate ensures that belt is efficient, operates to large conveying quantity, therefore the quality of rubber layer cladding quality is for the performance meaning weight of roller
Greatly, it is as follows：
Step 5.1：Take the raw material of following parts by weight, 85 parts of methyl vinyl phenyl silicon rubber, 65 parts of nitrile rubber, rubber and plastic
30 parts of alloy, 10 parts of acrylic resin, 10 parts of thermosetting epoxy resin, two 2 parts of thio tetra methylthiurams, two thio dibenzo
Pungent 15 parts of (fourth) ester of 1 part of thiazole, 20 parts of high abrasion furnace black, phthalic acid two, 3 parts of N- isopropyl-N`- diphenyl-para-phenylene diamines,
10 parts of barium sulfate；It to above-mentioned stock, carries out natural gum and plasticates, then be successively kneaded above-mentioned raw materials input mixer, be kneaded
Uniform back glue, 120 DEG C of dump temperature, then, tabletting on a mill parks cooling, then vulcanizing agent is added on a mill
And slice, it parks 8 hours cooling or more for use；
Step 5.2：By cooling for use sizing material made from step 5.1, heat refining, refining on a mill is molded plastic emitting material
Piece；
Step 5.3：Peak formula vulcanization process is stepped on using direct steam internal control press cure tank to carry out the sizing material piece of step 5.2
Vulcanizing treatment, curing temperature and time is respectively：One section 115 DEG C, 90min；Two sections 125 DEG C, 60min；Three sections 133 DEG C,
100min；Four sections 144 DEG C, 120min；Five sections 150 DEG C, 120min；Then go out tank after vexed tank 60min, it is for use to form sheet rubber；
Step 5.4：To the roller of step 4, mechanical grinding or blasting treatment are carried out on surface, and table is removed using cleaning agent
Face dirt uniformly brushes one layer of metal primer after air-drying in cylinder surface, such as PR-800 metal primers, it is possible to prevente effectively from rolling
Cylinder surface is polluted again, extends the storage period of pretreatment back roll, and is conducive to moistening of the follow-up gluing agent to cylinder surface,
Improve its glue-joint strength and endurance quality, contribute to the performance of hoisting drum, extends its service life；
Step 5.5：The roller cylinder surface that priming paint is coated in step 5.4 uniformly brushes first layer primer in the same direction,
After first layer primer air-dries, then second layer primer is uniformly brushed in the same direction, 3M can be used in the present embodiment：K-500 primers,
It can have an effect with the hydrone in air, generate high cohesive force, and there is preferable high temperature resistant property, can play fabulous
Bond effect all carries out in the same direction when brushing primer, and first layer primer thickness is 0.05mm, and second layer primer thickness is
0.04mm avoids primer adsorption air or package air and generates bubble or stomata on surface, brushes speed uniform and stable,
Contribute to air to be discharged, prevent gas bubbles left, improves the adhesion strength of follow-up rubber topping piece and roller, roller is avoided to take off
Glue phenomenon, the performance of hoisting drum.
Step 5.6：After the primer of step 5.5 air-dries, in the sheet rubber that cylinder surface adhesion step 5.3 obtains, with pressure
The sheet rubber that thickness is X is rolled and is compacted along roll circumference direction by real idler wheel, squeezes out the bubble between sheet rubber and roller,
It is compacted roller when extruding to be squeezed from sheet rubber center to two side positions, ensures and squeezes out air, closely knit glue-line keeps rubber topping piece tight
It is close to be bonded in drum peripheral, and prevent from air-coating forming bubble inside sheet rubber；
Step 5.7：After sheet rubber compacting, one layer of secluding film is coated in sheet rubber periphery, the present embodiment uses PET film,
PET film good mechanical performances, obdurability is especially prominent, and tensile strength and impact strength are preferable, also has excellent resistance to
Heat, cold resistance and oil resistivity use suitable for being coated on sheet rubber periphery, wire binding are used in combination, secluding film is made closely to be coated on rubber
Then roller input sulfuration steam stove is carried out vulcanizing treatment by film periphery, the temperature in steam oven is 190 DEG C, secluding film
Setting both avoided steel wire from directly being contacted with sheet rubber, also avoid during roller transports and throws stove with collide and rub between other rollers
It wipes, protects sheet rubber, prevent sheet rubber surface layer from occurring wearing or other surfaces defect, it is often more important that gas can be effectively reduced
The generation of bubble makes the bubbles volume in roller be reduced to the 20% of conventional production process bottom roll bubbles volume hereinafter, effectively increasing
The performance of roller, and the dilatancy situation of steel wire tied up and help to improve roller rubber topping piece, to improve
The use intensity of sheet rubber reduces the generation of sheet rubber air entrapment, degumming phenomenon occurs in avoiding roller from being used for a long time, and ensures
Transport system stable operation；
Step 5.8：Turning processing is carried out to the sheet rubber on vulcanization back roll surface, turning thickness is 1/4X, is seen after turning
It examines remaining sheet rubber surface and whether there is bubble, find to puncture bubble when bubble, to the independent injecting glue in gap at the bubble, and
Sheet rubber is compacted herein, to ensure the efficient turning of sheet rubber, realizes maximized bubble removal effect, while in order to avoid
The unnecessary wasting of resources is caused, inventor is explored by Long-term analysis and experimental verification, finally found that and is generated inside sheet rubber
Bubble be distributed in accumulation type, and be mainly gathered at 1/5~1/3 thickness on the outside of sheet rubber, it is therefore, encapsulated in the present embodiment
The encapsulated thickness that roller actually uses demand is 12mm, and sheet rubber thickness cohesive for the first time in step 5.6 is then 15mm, once
Sheet rubber surface layer 3.75mm is removed when turning is handled, removal part is that sheet rubber is most yielding in vulcanizing treatment, bubble
The part more concentrated, and directly sheet rubber internal state will can be observed after the removal of most rubber topping piece, if still depositing
Bubble then can timely glue, by this process processing back roll in bubbles volume be reduced to conventional production process bottom roll gas
The 5% of bubble amount is hereinafter, the rubber-coated roller for effectively avoiding the problem that finished product improves sheet rubber and the close of roller glues there are bubble
Knot avoids bubble free in inside and influences roller service life, and be also prevented from leads to conveyer system because of roller accident degumming
The problem of shutdown, ensures manufacturing schedule to improve production stability.
Step 6：Turning process is carried out to the rubber layer of cylinder surface, surface detail is processed, increases rubber-coated roller and skin
The frictional force of interband, further prevents roller to skid, and improves the operational efficiency of roller, ensures conveyer system high-efficiency operation.
The above, only the preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those skilled in the art within the technical scope disclosed by the invention, can without the variation that creative work is expected or
It replaces, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Subject to fixed protection domain.
Claims (8)
1. a kind of preparation method of rubber-coated roller, which is characterized in that include the following steps：
Step 1：By the raw material for making cylinder skin successively through blanking, pressure arc, roll, weld, anneal and school sired results sequence, be processed as cylinder
Skin；
Step 2：By the raw material for making central shaft successively through blanking, rough turn, quenched and smart car process, it is processed as central shaft；
Step 3：Former is subjected to turning process；
Step 4：Cylinder skin, central shaft and the former assembly of step 1 to 3 are integrated, roller is formed；
Step 5：In cylinder surface cladding rubber layer；
Step 6：Turning process is carried out to the rubber layer of cylinder surface, processes surface detail.
2. a kind of preparation method of rubber-coated roller according to claim 1, which is characterized in that lehr attendant in the step 1
Heating rate is no more than 150 DEG C/h in the annealing furnace of sequence, and in-furnace temperature keeps the temperature 2~3 hours after being heated to 600~700 DEG C, keeps the temperature
After cool to 150~170 DEG C with the furnace, be then air-cooled to room temperature.
3. a kind of preparation method of rubber-coated roller according to claim 1, which is characterized in that the rubber layer of the step 5
Including following component and parts by weight：70~90 parts of methyl vinyl phenyl silicon rubber, 60~80 parts of nitrile rubber, rubber and plastic alloy 20
~40 parts, 8~12 parts of acrylic resin, 10~13 parts of thermosetting epoxy resin, two 1.5~2.5 parts of thio tetra methylthiurams,
Pungent 10~20 parts of (fourth) ester of 0.8~1.2 part of dithio-bis-benzothiazole, 15~25 parts of high abrasion furnace black, phthalic acid two, N-
2~4 parts of isopropyl-N`- diphenyl-para-phenylene diamines, 5~15 parts of barium sulfate.
4. a kind of preparation method of rubber-coated roller according to claim 1 or 3, it is characterised in that：The step 5 it is specific
Steps are as follows：
Step 5.1：It stocks up by each component and parts by weight, carries out natural gum and plasticate, then successively put into above-mentioned raw materials close
Mill is kneaded, and uniform back glue is kneaded, and 120 DEG C of dump temperature, then, tabletting on a mill are parked cooling, then opened
Vulcanizing agent and slice are added in mill, parks 8 hours cooling or more for use；
Step 5.2：By cooling for use sizing material made from step 5.1, heat refining, refining on a mill is molded plastic emitting tablet；
Step 5.3：Peak formula vulcanization process is stepped on using direct steam internal control press cure tank to vulcanize the sizing material piece of step 5.2
It is for use to form sheet rubber for processing；
Step 5.4：To the roller of step 4, mechanical grinding or blasting treatment are carried out on surface, and dirty using cleaning agent removal surface
Object uniformly brushes one layer of metal primer after air-drying in cylinder surface；
Step 5.5：The cylinder surface that priming paint is coated in step 5.4 uniformly brushes first layer primer, first layer bottom in the same direction
After glue air-dries, then second layer primer is uniformly brushed in the same direction；
Step 5.6：After the primer of step 5.5 air-dries, in the sheet rubber that cylinder surface adhesion step 5.3 obtains, rolled with compacting
Sheet rubber is rolled and is compacted along roll circumference direction by wheel, squeezes out the bubble between sheet rubber and roller, when extruding compacting roll
Cylinder is squeezed from sheet rubber center to two side positions；
Step 5.7：After sheet rubber compacting, one layer of secluding film is coated in sheet rubber periphery, wire binding is used in combination, then throws roller
Enter sulfuration steam stove and carry out vulcanizing treatment, the temperature in steam oven is 180~200 DEG C；
Step 5.8：Turning processing is carried out to the sheet rubber on vulcanization back roll surface, remaining sheet rubber surface is observed after turning whether
There are bubble, finds to puncture bubble when bubble, to the independent injecting glue in gap at the bubble, and sheet rubber is compacted herein.
5. a kind of preparation method of rubber-coated roller according to claim 4, it is characterised in that：At step 5.3 vulcanization
The curing temperature of reason and time is respectively：One section 115 DEG C, 90min；Two sections 125 DEG C, 60min；Three sections 133 DEG C, 100min；Four
144 DEG C of section, 120min；Five sections 150 DEG C, 120min；Then go out tank after vexed tank 60min.
6. a kind of preparation method of rubber-coated roller according to claim 4, it is characterised in that：The step 5.5 takes
The brushing mode that one layer of primer is slightly thick, second layer primer is slightly thin.
7. a kind of preparation method of rubber-coated roller according to claim 4, it is characterised in that：The isolation of the step 5.7
Film is canvas or PET film.
8. a kind of preparation method of rubber-coated roller according to claim 1, it is characterised in that：It spends on the surface of the step 6
Line is diamond shape, reticulate pattern or chevron shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810297570.XA CN108792499A (en) | 2018-03-30 | 2018-03-30 | A kind of preparation method of rubber-coated roller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810297570.XA CN108792499A (en) | 2018-03-30 | 2018-03-30 | A kind of preparation method of rubber-coated roller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873653A (en) * | 2020-12-28 | 2021-06-01 | 蒂普拓普（天津）橡胶技术有限公司 | Roller room-temperature vulcanization process |
| CN114262419A (en) * | 2022-01-17 | 2022-04-01 | 山西华傲工贸集团有限公司 | Composite polyurethane rubber coating layer and preparation method thereof |
| CN114367794A (en) * | 2022-03-01 | 2022-04-19 | 西安泰金工业电化学技术有限公司 | Preparation method of titanium cylinder for welding large-size cathode roller |
-
2018
- 2018-03-30 CN CN201810297570.XA patent/CN108792499A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873653A (en) * | 2020-12-28 | 2021-06-01 | 蒂普拓普（天津）橡胶技术有限公司 | Roller room-temperature vulcanization process |
| CN114262419A (en) * | 2022-01-17 | 2022-04-01 | 山西华傲工贸集团有限公司 | Composite polyurethane rubber coating layer and preparation method thereof |
| CN114262419B (en) * | 2022-01-17 | 2023-12-22 | 山西华傲智能矿山产业园有限公司 | Composite polyurethane rubber coating layer and preparation method thereof |
| CN114367794A (en) * | 2022-03-01 | 2022-04-19 | 西安泰金工业电化学技术有限公司 | Preparation method of titanium cylinder for welding large-size cathode roller |
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Application publication date: 20181113 |