CN111809739A - Ultrahigh-damping rubber support and preparation method thereof - Google Patents

Ultrahigh-damping rubber support and preparation method thereof Download PDF

Info

Publication number
CN111809739A
CN111809739A CN202010681673.3A CN202010681673A CN111809739A CN 111809739 A CN111809739 A CN 111809739A CN 202010681673 A CN202010681673 A CN 202010681673A CN 111809739 A CN111809739 A CN 111809739A
Authority
CN
China
Prior art keywords
rubber
parts
sheet
layer
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010681673.3A
Other languages
Chinese (zh)
Inventor
资道铭
罗明
何家荣
莫曲浪
梁煜
梁莹莹
罗秋清
陶旭
林桂武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liuzhou Orient Engineering Rubber Products Co Ltd
Original Assignee
Liuzhou Orient Engineering Rubber Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liuzhou Orient Engineering Rubber Products Co Ltd filed Critical Liuzhou Orient Engineering Rubber Products Co Ltd
Priority to CN202010681673.3A priority Critical patent/CN111809739A/en
Publication of CN111809739A publication Critical patent/CN111809739A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/36—Bearings or like supports allowing movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B29B7/005—Methods for mixing in batches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L11/00—Compositions of homopolymers or copolymers of chloroprene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
    • C08L23/283—Halogenated homo- or copolymers of iso-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/02—Copolymers with acrylonitrile
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/04—Bearings; Hinges
    • E01D19/041—Elastomeric bearings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Chemical & Material Sciences (AREA)
  • Laminated Bodies (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The utility model provides an ultra high damping rubber support, support sheet rubber is the compounded rubber piece that comprises middle glue film and rubber coating layer, the compounded rubber piece or for compounded rubber piece I or for compounded rubber piece II: the middle rubber layer of the composite rubber sheet I is rubber A, and the rubber coating layer is rubber B or M layers of rubber B and rubber A which are alternately coated; the middle rubber of the compound rubber sheet II is rubber B, and the rubber coating layer is N layers of rubber A and rubber B which are coated in a staggered mode; the rubber A is high-energy-consumption damping rubber, the rubber B is high-elasticity rubber, and the high-elasticity rubber accounts for 5% -90% of the total volume of the rubber sheet; the preparation method comprises the steps of preparing a rubber A blank film and a rubber B blank film, preparing a support rubber sheet and manufacturing a support. The support is simple to manufacture and adjustable in performance, the prepared high-energy-consumption damping rubber material is more uniform in sizing material, higher in tensile strength and elongation at break, less affected by temperature in performance, less prone to bulging and deformation on the outer side surface of the support after an external load is removed, and wide in application range.

Description

Ultrahigh-damping rubber support and preparation method thereof
Technical Field
The invention relates to the technical field of seismic isolation and reduction supports for bridges and buildings and a preparation method thereof, in particular to an ultrahigh damping rubber support and a preparation method thereof.
Background
Lead core shock insulation rubber supports, horizontal dispersion type rubber supports and ultra-high damping rubber supports (including high damping rubber supports) are common shock absorption and insulation technology related products, and among the product types, the horizontal dispersion type supports (lead core-free shock insulation rubber supports) are not suitable for high-shock areas due to poor energy consumption capacity; the lead core shock insulation rubber support has strong energy consumption capability, but the lead core shock insulation rubber support uses heavy metal lead, so that the problem of hidden danger of environmental pollution exists; the ultra-high damping rubber support (including the high damping rubber support) is favored by the market due to the consideration of damping performance and environmental protection and is generally used in engineering, and the existing ultra-high damping rubber support has the following defects:
1. the support is formed by laminating and vulcanizing pure high-energy-consumption damping rubber and a steel plate (see attached figures 1 and 2), the ultrahigh-damping rubber support manufactured by the traditional method has large rubber damping and is not easy to recover in deformation, and after a test is carried out on the support, the outer side surface still generates bulging or deformation which cannot be (easily) recovered even if an external load is unloaded (see attached figure 3);
2. in engineering, the performance (horizontal equivalent stiffness, horizontal equivalent damping ratio and the like) of the ultrahigh damping rubber support is often required to be changed according to the actual situation, in order to realize the change of the performance of the support, the rubber formula for manufacturing the support can be adjusted only, and due to the complexity of the high-energy-consumption damping rubber formula, the adjustment is very difficult, and the performance requirement is difficult to meet even if the adjustment is carried out;
3. due to the fact that specific filling materials (such as resin materials) need to be added in the formula of the high-energy-consumption damping rubber, the high-energy-consumption damping rubber is very high in temperature sensitivity due to the specific filling materials, and the performance of the (ultra) high-damping rubber support made of the high-energy-consumption damping rubber is greatly influenced by temperature change, so that the use area of the support is limited to a great extent.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the ultra-high damping rubber support is not easy to bulge and deform, is simple to manufacture and has a wide application range, and the preparation method of the ultra-high damping rubber support is provided to overcome the defects in the prior art.
The technical scheme for solving the problems is as follows:
a rubber support with ultrahigh damping comprises a rubber support body formed by alternately laminating and vulcanizing an inner connecting steel plate, a rubber sheet and a stiffening steel plate, wherein the rubber sheet is a composite rubber sheet formed by a middle rubber layer and a rubber coating layer coated on the periphery of the middle rubber layer, and the composite rubber sheet is a composite rubber sheet I or a composite rubber sheet II;
the compound rubber sheet I is as follows: 1) the middle rubber layer is rubber A, and the rubber coating layer is rubber B; 2) or the middle rubber layer is rubber A, the rubber coating layer is M layers of rubber B and rubber A which are coated in a staggered mode from inside to outside, and the value of M is 3 or 5;
the compound rubber sheet II comprises: the middle rubber layer is rubber B, the rubber coating layer is N layers of rubber A and rubber B which are coated in a staggered mode from inside to outside, and the value of N is 2, 4 or 6;
the rubber A is high-energy-consumption damping rubber, and the rubber B is high-elasticity rubber;
the volume of the high-elasticity rubber accounts for 5-90% of the total volume of the rubber sheet.
The further technical scheme is as follows: the high-energy-consumption damping rubber comprises the following components in parts by weight:
30-60 parts of natural rubber, 20-40 parts of chloroprene rubber, 10-30 parts of nitrile rubber, 15-40 parts of chlorinated butyl rubber, 2-40 parts of damping reinforcing material, 10-100 parts of filler, 4-12 parts of anti-aging agent, 5-50 parts of softener, 5-15 parts of vulcanizing assistant and 0.5-3 parts of vulcanizing agent;
the high-elasticity rubber comprises the following components in parts by weight:
30-90 parts of natural rubber, 10-70 parts of chloroprene rubber, 10-80 parts of filler, 5-15 parts of anti-aging agent, 5-50 parts of softener, 6-16 parts of vulcanizing assistant and 0.5-2.5 parts of vulcanizing agent.
Further: the damping reinforcing material is phenolic resin or other damping reinforcing materials;
the anti-aging agent is one or a combination of more of anti-aging agent RD, anti-aging agent D, anti-aging agent 4010NA, anti-aging agent AW and protective wax;
the filler is one or a combination of more of silica, carbon black and white carbon black;
the softener is one or a combination of more of aromatic hydrocarbon oil, naphthenic oil, paraffin oil and mechanical oil;
the vulcanization auxiliary agent comprises a rubber vulcanization accelerator and a vulcanization activator, wherein the rubber vulcanization accelerator is one or more than two of CBS, M, DM and TMTD, and the vulcanization activator is a combination of zinc oxide and stearic acid;
the vulcanizing agent is sulfur.
The other technical scheme is as follows: a preparation method of an ultrahigh damping rubber support comprises the following steps:
s1 preparation of damping rubber blank film with high energy consumption
S11 preparation of master batch:
s111, preparing materials in parts by weight as follows:
30-60 parts of natural rubber, 20-40 parts of chloroprene rubber, 10-30 parts of nitrile rubber, 15-40 parts of chlorinated butyl rubber, 2-40 parts of damping reinforcing material, 10-100 parts of filler and 4-12 parts of anti-aging agent;
s112, putting the prepared materials into an internal mixer for plastication, slowly increasing the top plug pressure of the internal mixer, stirring for 1-20 minutes to discharge rubber, and cooling and placing for more than 1 hour for later use;
s12 preparation of rubber compound:
s121, putting 120-220 parts of the cooled master batch into an internal mixer, slowly increasing the top plug pressure of the internal mixer, and stirring for 1-20 minutes;
s122, adding 5-90 parts of filler, 5-50 parts of softener and 5-15 parts of vulcanization aid into an internal mixer, keeping the top plug pressure of the internal mixer, and stirring for 1-10 minutes;
s123, adding 0.5-3 parts of vulcanizing agent into the internal mixer, keeping the upper ram pressure of the internal mixer, stirring for 1-5 minutes, lifting the ram for 5-15 seconds to enable the rubber material in the whole internal mixing chamber to be alternately turned up and down for further and fully mixing, then placing the upper ram, keeping the upper ram pressure, stirring for 1-5 minutes, then discharging the rubber, and conveying the rubber to the open mill from a rubber discharge port for left and right rubber swinging operation for 1-6 times;
s124, pulling a piece, cooling, drying and cutting pieces, namely pulling out a continuous long rubber piece from a roller of an open mill, cooling and drying, cutting the dried long rubber piece into rubber pieces with the same size, obtaining high-energy-consumption damping rubber blank rubber pieces, and stacking and storing the rubber pieces for later use;
s2 preparation of high-elasticity rubber blank film
S21 plasticated raw rubber:
s211, preparing materials in parts by weight; 30-90 parts of natural rubber and 10-70 parts of chloroprene rubber;
s212, putting the prepared materials into an internal mixer for plastication, slowly increasing the top plug pressure of the internal mixer, stirring for 1-20 minutes, discharging rubber, cooling and placing for more than 1 hour for later use;
s22 preparation of rubber compound:
s221, putting 100 parts of plasticated raw rubber into an internal mixer, slowly increasing the top plug pressure of the internal mixer, and stirring for 1-5 minutes;
s222, adding 10-80 parts of filler, 5-15 parts of anti-aging agent, 5-50 parts of softener and 6-16 parts of vulcanization aid into an internal mixer, keeping the top plug pressure of the internal mixer, and stirring for 2-10 minutes;
s223, adding 0.5-2.5 parts of vulcanizing agent into the internal mixer, keeping the upper plug pressure of the internal mixer, stirring for 1-6 minutes, raising the plug for 5-15 seconds, enabling the rubber material in the whole internal mixing chamber to be alternately turned up and down for further and fully mixing, then placing the upper plug, keeping the upper plug pressure, stirring for 1-4 minutes, then discharging the rubber, and conveying the rubber to the open mill from a rubber discharge port for left and right rubber swinging operation for 1-6 times;
s224 pulling sheet, cooling, drying and cutting: pulling out a continuous long rubber sheet from a roller of an open mill, cooling, drying, cutting the dried long rubber sheet into rubber sheets with the same size to obtain high-elasticity rubber blank rubber sheets, and stacking and storing the rubber sheets for later use;
s3 preparation of rubber sheet for support
And (S31) processing blank films:
respectively putting the high-energy-consumption damping rubber blank film and the high-elasticity rubber blank film prepared in the steps S1 and S2 into a sheet discharging machine for processing;
s311 thin pass: adjusting the roll spacing to be small, respectively feeding the high-energy-consumption damping rubber or high-elasticity rubber blank rubber sheets into the rollers for 2-3 times, and enabling the rubber to pass through the gap between the two rollers and then become a thin layer, so that the Mooney viscosity of the rubber is reduced;
s312, turning: adjusting the roller distance to turn over and smelt the rubber material, cutting the rubber left and right, pulling out a rubber sheet with a certain length from one side of the roller, putting the rubber sheet into the roller to mix with the rubber material accumulated on the roller, and repeatedly operating for 3-4 times to enable the rubber material to be more uniform;
s313, sheet discharging: adjusting the roll gap of the sheet discharging machine according to the thickness requirement of the sheet to discharge the sheet to obtain a high-energy-consumption damping rubber sheet or a high-elasticity rubber sheet;
s32, manufacturing an intermediate glue layer and an encapsulation strip:
s321, manufacturing an intermediate rubber layer, and cutting the high-energy-consumption damping rubber sheet or the high-elasticity rubber sheet manufactured by the processing into a round or square shape by using a cutter according to the drawing size requirement of the support so as to obtain the high-energy-consumption damping rubber intermediate rubber layer or the high-elasticity rubber intermediate rubber layer for later use;
s322, manufacturing an adhesive tape, and cutting the high-energy-consumption damping rubber sheet or the high-elasticity rubber sheet manufactured by the processing into adhesive tapes by using a cutter;
s33 preparing a support rubber sheet;
s331, preparing a composite rubber sheet I:
s3311 according to the requirement of the size of the support drawing: coating a high-elasticity rubber adhesive tape on the periphery of the middle rubber layer of the high-energy-consumption damping rubber;
s3312, pressing the head and the tail of the rubber strip with a cutter to make the rubber strip adhere and close, pressing the middle rubber layer and the coating rubber strip, and adhering the butted parts together by using the adhesiveness of rubber to obtain a circular or square composite rubber sheet I with only one rubber coating layer;
s3313, when the number M of the rubber coating layers is 3 or 5, according to the requirement of the drawing size of the support, firstly coating the high-elasticity rubber adhesive tape on the periphery of the middle rubber layer of the high-energy-consumption damping rubber, repeating the step S3312 to obtain a first rubber coating layer, then coating the high-energy-consumption damping rubber adhesive tape on the periphery of the first rubber coating layer, repeating the step S3312 to obtain a second rubber coating layer, and alternately coating in the way until the composite rubber sheet I with the number M of the rubber coating layers being 3 or 5 is obtained;
s332, preparing a composite rubber sheet II:
s3321, according to the requirement of the drawing size of the support: coating the high-energy-consumption damping rubber adhesive tape on the periphery of the high-elasticity rubber intermediate adhesive layer;
s3322, pressing the head and the tail of the adhesive tape oppositely by using a cutter to enable the adhesive tape to be bonded and closed, pressing the middle adhesive layer and the coating adhesive tape oppositely, and bonding the butted parts together by using the viscosity of rubber to obtain a first coating adhesive layer;
s3323, coating the high-elasticity rubber adhesive tape on the periphery of the high-energy-consumption damping rubber, and repeating the step S3322 to prepare a second rubber layer coating layer to obtain a circular or square composite rubber sheet II only comprising 2 rubber layer coatings;
s3324, when the number N of the encapsulation layers is 4 or 6, repeating the steps S3321-S3323 until a composite rubber sheet II with 4 or 6 encapsulation layers is obtained;
s4 manufacturing support
S41 steel plate treatment: shot blasting, leveling, cleaning and drying of a cleaning machine for the steel plate, and then coating an adhesive;
s42 vulcanization: and (3) adopting a compression molding high-temperature vulcanization mode, firstly putting a lower inner connecting steel plate into a mold, then alternately superposing the support rubber sheet prepared in the step S33 and the stiffening steel plate processed in the step S41 according to a drawing and requirements, putting the mold, finally putting an upper inner connecting steel plate, controlling the vulcanization temperature, the vulcanization time and the vulcanization pressure, and vulcanizing to obtain the high-damping rubber support or the ultrahigh-damping rubber support.
Further: the main technical parameters of the internal mixer are as follows: the rotating speed of the main machine is 10-40 r/min, the top plug pressure is 0.1-1 MPa, and the circulating cooling water pressure is 0.1-1 MPa; the term "slowly increasing the ram pressure on the internal mixer" means that the ram pressure on the internal mixer is increased to 1 MPa.
And further: in the steps S112, S123, S212 and S223, the internal mixer is controlled to be 100-125 ℃ during rubber dischargingoC; in the step S42 of vulcanization, the vulcanization temperature is 110-150 DEG CoAnd C, the vulcanization pressure is 2-20 MPa, the vulcanization time is determined according to the thickness of the support, the thickness of the support is 30-500 mm, and the vulcanization time is 1-24 hours.
Due to the adoption of the technical scheme, the ultrahigh damping rubber support and the preparation method thereof have the following beneficial effects:
1. the rubber sheet is a composite rubber sheet consisting of an intermediate rubber layer and a rubber coating layer coated on the periphery of the intermediate rubber layer, the volume percentage of the high-elasticity rubber is 5-90%, and the rigidity and the equivalent damping ratio of the ultrahigh-damping rubber support can be controlled and adjusted by adjusting the volume percentage of the high-elasticity rubber and the hardness of the rubber material: the adjustable range of the horizontal equivalent damping ratio of the support is 6-30%, the adjustable range of the rubber modulus corresponding to the horizontal rigidity is 0.35-2 MPa, the rubber formula does not need to be adjusted constantly like the prior art, and the performance requirements are often difficult to meet, so that the adjustable rubber support has the advantages of simplicity in manufacturing, wide adjustable range and wide application range;
2. the rubber sheet is a composite rubber sheet consisting of a middle rubber layer and an encapsulating layer coated on the periphery of the middle rubber layer; the compound rubber piece or for compound rubber piece I or for compound rubber piece II, owing to compound rubber piece I constitute: 1) the middle rubber layer is rubber A, and the rubber coating layer is rubber B; 2) or the middle rubber layer is rubber A, the rubber coating layer is M layers of rubber B and rubber A which are coated in a staggered mode from inside to outside, and the value of M is 3 or 5; the composite rubber sheet II comprises the following components: the middle rubber is rubber B, the rubber coating layer is N layers of rubber A and rubber B which are coated in a staggered mode from inside to outside, and the value of N is 2, 4 or 6; it can be seen that no matter the value of M is 3 or 5, the value of N is 2, 4 or 6, the rubber coating layers are all rubber B-high-elasticity rubber, and because the high-elasticity rubber material has the characteristic of easy deformation recovery, the outer side surface of the support body can not bulge and deform after the support is subjected to test and external load is removed;
3. the traditional method for preparing the high-energy-consumption damping rubber material comprises the following steps: a master batch is not adopted, but a direct one-step mixing mode is adopted; or when the masterbatch is prepared, the softener is put in the early stage, the raw materials with high melting points and difficult dispersion are put in the later stage of mixing, the rubber materials prepared by the two methods have poor uniformity, and the tensile strength and the elongation at break are low;
according to the preparation method, when the high-energy-consumption damping rubber master batch is prepared, raw rubber, part of filler, the high-melting-point damping reinforcing material and the anti-aging agent are added into an internal mixer, the shearing force of a rubber material system can be improved in the mixing and stirring process, heat generation is fast, the high-melting-point material is easier to melt, and the dispersibility of raw materials is improved;
4. the rubber coating of one structure of the application is high-elasticity rubber which does not contain damping reinforcing materials, so that the performance of the ultrahigh-damping rubber support is not greatly influenced by the temperature, and the application range of the ultrahigh-damping rubber support is wider;
5. the ultrahigh damping rubber support and the preparation method thereof are also suitable for high damping rubber supports.
The technical features of the ultra-high damping rubber bearing and the manufacturing method thereof according to the present invention will be further described with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a front view (in section) of a conventional rubber mount;
FIG. 2 is a plan view of a rubber sheet of a conventional rubber mount;
FIG. 3 is a schematic view showing bulging deformation of a conventional rubber mount after removal of an external load;
FIG. 4 is a front view (in section) of an ultra-high damping rubber mount of the present invention;
FIG. 5 is a top view of a rubber sheet according to the first embodiment (composite rubber sheet I, middle rubber A, and only 1 rubber B encapsulating layer);
FIG. 6 is a top view of a rubber sheet according to example two (composite rubber sheet I, with the middle rubber being rubber A and N equal to 3, i.e. 3 rubber B encapsulating layers);
in the figure:
1-upper internal connecting steel plate, 2-stiffening steel plate, 3-rubber sheet, 31-high energy consumption damping rubber (rubber A), 32-high elasticity rubber (rubber B), 4-lower internal connecting steel plate, 5-rubber sheet of the prior art, and 51-bulging point.
Detailed Description
The first embodiment is as follows:
a rubber support with ultrahigh damping comprises a rubber support body formed by alternately laminating and vulcanizing an inner connecting steel plate (comprising an upper inner connecting steel plate 1, a lower inner connecting steel plate 4 and a stiffening steel plate), a rubber sheet and a stiffening steel plate, wherein the rubber sheet is a composite rubber sheet formed by a middle rubber layer and a rubber coating layer coated on the periphery of the middle rubber layer; the composite rubber sheet is a composite rubber sheet I, the middle rubber layer is rubber A-high energy consumption damping rubber, and the rubber wrapping layer is rubber B-high elasticity rubber (see attached figure 5); the composite rubber sheet I only comprises 1 rubber layer, and the volume of the high-elasticity rubber accounts for 5-90% of the total volume of the rubber sheet;
the rubber A-high energy consumption damping rubber comprises the following components in parts by weight:
30-60 parts of natural rubber, 20-40 parts of chloroprene rubber, 10-30 parts of nitrile rubber, 15-40 parts of chlorinated butyl rubber, 2-40 parts of damping reinforcing material, 10-100 parts of filler, 4-12 parts of anti-aging agent, 5-50 parts of softener, 5-15 parts of vulcanizing assistant and 0.5-3 parts of vulcanizing agent;
the rubber B is high-elasticity rubber and comprises the following components in parts by weight:
30-90 parts of natural rubber, 10-70 parts of chloroprene rubber, 10-80 parts of filler, 5-15 parts of anti-aging agent, 5-50 parts of softener, 6-16 parts of vulcanizing assistant and 0.5-2.5 parts of vulcanizing agent.
The damping reinforcing material is phenolic resin or other damping reinforcing materials;
the anti-aging agent is one or a combination of more of anti-aging agent RD, anti-aging agent D, anti-aging agent 4010NA, anti-aging agent AW and protective wax;
the filler is one or a combination of more of silica, carbon black and white carbon black;
the softener is one or a combination of more of aromatic hydrocarbon oil, naphthenic oil, paraffin oil and mechanical oil;
the vulcanization auxiliary agent comprises a rubber vulcanization accelerator and a vulcanization activator, wherein the rubber vulcanization accelerator is one or more than two of CBS, M, DM and TMTD, and the vulcanization activator is a combination of zinc oxide and stearic acid;
the vulcanizing agent is sulfur.
Example two:
the utility model provides an ultrahigh damping rubber support, its rubber A-high power consumption damping rubber with the constitution of rubber B-high elasticity rubber is the same with embodiment one, and its structure is the same basically with embodiment one, includes the rubber support body that forms by the alternative stromatolite vulcanization of in-connection steel sheet, sheet rubber and stiffening steel sheet, the sheet rubber is the compound sheet rubber who comprises middle glue film and the rubber coating layer of cladding in middle glue film periphery, the compound sheet rubber is compound sheet rubber I, and the difference is: the middle rubber layer is rubber A, the rubber coating layer is 3 layers (namely M = 3) of rubber B and rubber A which are coated in a staggered mode from inside to outside, and the rubber A sequentially comprises the following components: the first rubber coating layer is rubber B, the second rubber coating layer is rubber A, and the third rubber coating layer is rubber B (see figure 6);
the rubber A is high-energy-consumption damping rubber, and the rubber B is high-elasticity rubber;
the volume of the high-elasticity rubber accounts for 5-90% of the total volume of the rubber sheet;
as a variation of the above embodiment:
(1) the number M of the layers of the encapsulating layer can also be 5;
(2) the composite rubber sheet can also be a composite rubber sheet II, the middle rubber is rubber B, the rubber coating layer is N layers of rubber A and rubber B which are coated in a staggered mode from inside to outside, the value of N is 2, 4 or 6,
the values of M and N can be determined according to the requirements of the rubber support, and the composite rubber sheet obtained by different values has the following structure:
the structure of the compound rubber sheet I is as follows:
when M is 3, the middle rubber is rubber A, and 3 layers of rubber layers surrounding the rubber A sequentially comprise: the first layer is rubber B, the second layer is rubber A, and the third layer is rubber B;
when M is 5, the middle rubber is rubber A, and 5 layers of rubber layers surrounding the rubber A are sequentially as follows: the first layer is rubber B, the second layer is rubber A, the third layer is rubber B, the fourth layer is rubber A, and the fifth layer is rubber B.
(II) the structure of the compound rubber sheet II:
when N is 2, middle glue film is rubber B, and 2 layers of glue film that surround rubber B do in proper order: the first layer is rubber A, and the second layer is rubber B;
when N is 4, the middle glue is rubber B, and 4 layers of glue layers surrounding the rubber B are sequentially as follows: the first layer is rubber A, the second layer is rubber B, the third layer is rubber A, and the fourth layer is rubber B;
when N is 6, the middle glue is rubber B, and 6 layers of glue layers surrounding the rubber B are sequentially as follows: the first layer is rubber A, the second layer is rubber B, the third layer is rubber A, the fourth layer is rubber B, the fifth layer is rubber A, and the sixth layer is rubber B.
EXAMPLE III
A preparation method of an ultrahigh damping rubber support comprises the following steps:
s1 preparation of damping rubber blank film with high energy consumption
S11 preparation of master batch:
s111, preparing materials in parts by weight as follows:
30-60 parts of natural rubber, 20-40 parts of chloroprene rubber, 10-30 parts of nitrile rubber, 15-40 parts of chlorinated butyl rubber, 2-40 parts of damping reinforcing material, 10-100 parts of filler and 4-12 parts of anti-aging agent;
s112, putting the prepared materials into an internal mixer for plastication, slowly increasing the top plug pressure of the internal mixer, stirring for 1-20 minutes to discharge rubber, and cooling and placing for more than 1 hour for later use;
s12 preparation of rubber compound:
s121, putting 120-220 parts of the cooled master batch into an internal mixer, slowly increasing the top plug pressure of the internal mixer, and stirring for 1-20 minutes;
s122, adding 5-90 parts of filler, 5-50 parts of softener and 5-15 parts of vulcanization aid into an internal mixer, keeping the top plug pressure of the internal mixer, and stirring for 1-10 minutes;
s123, adding 0.5-3 parts of vulcanizing agent into the internal mixer, keeping the upper ram pressure of the internal mixer, stirring for 1-5 minutes, lifting the ram for 5-15 seconds to enable the rubber material in the whole internal mixing chamber to be alternately turned up and down for further and fully mixing, then placing the upper ram, keeping the upper ram pressure, stirring for 1-5 minutes, then discharging the rubber, and conveying the rubber to the open mill from a rubber discharge port for left and right rubber swinging operation for 1-6 times;
s124, pulling a piece, cooling, drying and cutting pieces, namely pulling out a continuous long rubber piece from a roller of an open mill, cooling and drying, cutting the dried long rubber piece into rubber pieces with the same size, obtaining high-energy-consumption damping rubber blank rubber pieces, and stacking and storing the rubber pieces for later use;
s2 preparation of high-elasticity rubber blank film
S21 plasticated raw rubber:
s211, preparing materials in parts by weight; 30-90 parts of natural rubber and 10-70 parts of chloroprene rubber;
s212, putting the prepared materials into an internal mixer for plastication, slowly increasing the top plug pressure of the internal mixer, stirring for 1-20 minutes, discharging rubber, cooling and placing for more than 1 hour for later use;
s22 preparation of rubber compound:
s221, putting 100 parts of plasticated raw rubber into an internal mixer, slowly increasing the top plug pressure of the internal mixer, and stirring for 1-5 minutes;
s222, adding 10-80 parts of filler, 5-15 parts of anti-aging agent, 5-50 parts of softener and 6-16 parts of vulcanization aid into an internal mixer, keeping the top plug pressure of the internal mixer, and stirring for 2-10 minutes;
s223, adding 0.5-2.5 parts of vulcanizing agent into the internal mixer, keeping the upper plug pressure of the internal mixer, stirring for 1-6 minutes, raising the plug for 5-15 seconds, enabling the rubber material in the whole internal mixing chamber to be alternately turned up and down for further and fully mixing, then placing the upper plug, keeping the upper plug pressure, stirring for 1-4 minutes, then discharging the rubber, and conveying the rubber to the open mill from a rubber discharge port for left and right rubber swinging operation for 1-6 times;
s224 pulling sheet, cooling, drying and cutting: pulling out a continuous long rubber sheet from a roller of an open mill, cooling, drying, cutting the dried long rubber sheet into rubber sheets with the same size to obtain high-elasticity rubber blank rubber sheets, and stacking and storing the rubber sheets for later use;
s3 preparation of rubber sheet for support
And (S31) processing blank films:
respectively putting the high-energy-consumption damping rubber blank film and the high-elasticity rubber blank film prepared in the steps S1 and S2 into a sheet discharging machine for processing;
s311 thin pass: adjusting the roll spacing to be small, respectively feeding the high-energy-consumption damping rubber or high-elasticity rubber blank rubber sheets into the rollers for 2-3 times, and enabling the rubber to pass through the gap between the two rollers and then become a thin layer, so that the Mooney viscosity of the rubber is reduced;
s312, turning: adjusting the roller distance to turn over and smelt the rubber material, cutting the rubber left and right, pulling out a rubber sheet with a certain length from one side of the roller, putting the rubber sheet into the roller to mix with the rubber material accumulated on the roller, and repeatedly operating for 3-4 times to enable the rubber material to be more uniform;
s313, sheet discharging: adjusting the roll gap of the sheet discharging machine according to the thickness requirement of the sheet to discharge the sheet to obtain a high-energy-consumption damping rubber sheet or a high-elasticity rubber sheet;
s32, manufacturing an intermediate glue layer and an encapsulation strip:
s321, manufacturing an intermediate rubber layer, and cutting the high-energy-consumption damping rubber sheet or the high-elasticity rubber sheet manufactured by the processing into a round or square shape by using a cutter according to the drawing size requirement of the support so as to obtain the high-energy-consumption damping rubber intermediate rubber layer or the high-elasticity rubber intermediate rubber layer for later use;
s322, manufacturing an adhesive tape, and cutting the high-energy-consumption damping rubber sheet or the high-elasticity rubber sheet manufactured by the processing into adhesive tapes by using a cutter;
s33 preparing a support rubber sheet;
s331, preparing a composite rubber sheet I:
s3311 according to the requirement of the size of the support drawing: coating a high-elasticity rubber adhesive tape on the periphery of the middle rubber layer of the high-energy-consumption damping rubber;
s3312, pressing the head and the tail of the rubber strip with a cutter to make the rubber strip adhere and close, pressing the middle rubber layer and the coating rubber strip, and adhering the butted parts together by using the adhesiveness of rubber to obtain a circular or square composite rubber sheet I with only one rubber coating layer;
s3313, when the number M of the rubber coating layers is 3 or 5, according to the requirement of the drawing size of the support, firstly coating the high-elasticity rubber adhesive tape on the periphery of the middle rubber layer of the high-energy-consumption damping rubber, repeating the step S3312 to obtain a first rubber coating layer, then coating the high-energy-consumption damping rubber adhesive tape on the periphery of the first rubber coating layer, repeating the step S3312 to obtain a second rubber coating layer, and alternately coating in the way until the composite rubber sheet I with the number M of the rubber coating layers being 3 or 5 is obtained;
s332, preparing a composite rubber sheet II:
s3321, according to the requirement of the drawing size of the support: coating the high-energy-consumption damping rubber adhesive tape on the periphery of the high-elasticity rubber intermediate adhesive layer;
s3322, pressing the head and the tail of the adhesive tape oppositely by using a cutter to enable the adhesive tape to be bonded and closed, pressing the middle adhesive layer and the coating adhesive tape oppositely, and bonding the butted parts together by using the viscosity of rubber to obtain a first coating adhesive layer;
s3323, coating the high-elasticity rubber adhesive tape on the periphery of the high-energy-consumption damping rubber, and repeating the step S3322 to prepare a second rubber layer coating layer to obtain a circular or square composite rubber sheet II only comprising 2 rubber layer coatings;
s3324, when the number N of the encapsulation layers is 4 or 6, repeating the steps S3321-S3323 until a composite rubber sheet II with 4 or 6 encapsulation layers is obtained;
s4 manufacturing support
S41 steel plate treatment: shot blasting, leveling, cleaning and drying of a cleaning machine for the steel plate, and then coating an adhesive;
s42 vulcanization: and (3) adopting a compression molding high-temperature vulcanization mode, firstly putting a lower inner connecting steel plate into a mold, then alternately superposing the support rubber sheet prepared in the step S33 and the stiffening steel plate processed in the step S41 according to a drawing and requirements, putting the mold, finally putting an upper inner connecting steel plate, controlling the vulcanization temperature, the vulcanization time and the vulcanization pressure, and vulcanizing to obtain the high-damping rubber support or the ultrahigh-damping rubber support.
The main technical parameters of the internal mixer adopted in the method are as follows: the rotating speed of the main machine is 10-40 r/min, the top plug pressure is 0.1-1 MPa, and the circulating cooling water pressure is 0.1-1 MPa; the term "slowly increasing the ram pressure on the internal mixer" means that the ram pressure on the internal mixer is increased to 1 MPa.
In the steps S112, S123, S212 and S223 of the method, the temperature of the internal mixer is controlled to be 100-125 ℃ during rubber dischargeoC; in step S42, the vulcanization temperature is 110-150 DEG CoAnd C, the vulcanization pressure is 2-20 MPa, the vulcanization time is determined according to the thickness of the support, the thickness of the support is 30-500 mm, and the vulcanization time is 1-24 hours.
Note 1: the term "wrap" used herein refers to a wrapping connection, such as "a wrapping layer wrapping around the periphery of the intermediate adhesive layer", and refers to a wrapping layer connecting to the periphery of the intermediate adhesive layer and wrapping the intermediate adhesive layer (see fig. 5);
note 2: the lifting bolt in the steps S123 and S223 refers to lifting the upper top bolt of the internal mixer, so that the rubber material at the bottom of the internal mixing chamber is turned to the upper part of the internal mixing chamber along with the rotation of the rotor, the rubber material at the upper part of the internal mixing chamber is brought to the bottom of the internal mixing chamber through the rotor,
note 3: step S123 and step S223, the left and right rubber swinging means that the open mill and a roller of a rubber swinging device arranged above the open mill run simultaneously, the rubber swinging device continuously rotates and circulates by dragging the rubber material on the open mill, and the rubber swinging device simultaneously reciprocates left and right to enable the rubber materials at different positions to be fully contacted and further mixed uniformly;
note 4: the rubber vulcanization accelerator CBS of claim 3, wherein M is 2-mercaptobenzothiazole, M is dibenzothiazyl disulfide, and TMTD is tetramethylthiuram disulfide.

Claims (6)

1. The utility model provides an ultra-high damping rubber support, includes the rubber support body that forms by the alternative stromatolite vulcanization of in-connection steel sheet, sheet rubber and the steel sheet of putting more energy into, its characterized in that: the rubber sheet is a composite rubber sheet consisting of an intermediate rubber layer and a rubber coating layer coated on the periphery of the intermediate rubber layer, and the composite rubber sheet is either a composite rubber sheet I or a composite rubber sheet II;
the composite rubber sheet I comprises the following components: 1) the middle rubber layer is rubber A, and the rubber coating layer is rubber B; 2) or the middle rubber layer is rubber A, the rubber coating layer is M layers of rubber B and rubber A which are coated in a staggered mode from inside to outside, and the value of M is 3 or 5;
the composite rubber sheet II comprises the following components: the middle rubber layer is rubber B, the rubber coating layer is N layers of rubber A and rubber B which are coated in a staggered mode from inside to outside, and the value of N is 2, 4 or 6;
the rubber A is high-energy-consumption damping rubber, and the rubber B is high-elasticity rubber; the volume of the high-elasticity rubber accounts for 5-90% of the total volume of the rubber sheet.
2. The ultra-high damping rubber support according to claim 1, wherein:
the high-energy-consumption damping rubber comprises the following components in parts by weight:
30-60 parts of natural rubber, 20-40 parts of chloroprene rubber, 10-30 parts of nitrile rubber, 15-40 parts of chlorinated butyl rubber, 2-40 parts of damping reinforcing material, 10-100 parts of filler, 4-12 parts of anti-aging agent, 5-50 parts of softener, 5-15 parts of vulcanizing assistant and 0.5-3 parts of vulcanizing agent;
the high-elasticity rubber comprises the following components in parts by weight:
30-90 parts of natural rubber, 10-70 parts of chloroprene rubber, 10-80 parts of filler, 5-15 parts of anti-aging agent, 5-50 parts of softener, 6-16 parts of vulcanizing assistant and 0.5-2.5 parts of vulcanizing agent.
3. The ultra-high damping rubber support according to claim 2, wherein:
the damping reinforcing material is phenolic resin or other damping reinforcing materials;
the anti-aging agent is one or a combination of more of anti-aging agent RD, anti-aging agent D, anti-aging agent 4010NA, anti-aging agent AW and protective wax;
the filler is one or a combination of more of silica, carbon black and white carbon black;
the softener is one or a combination of more of aromatic hydrocarbon oil, naphthenic oil, paraffin oil and mechanical oil;
the vulcanization auxiliary agent comprises a rubber vulcanization accelerator and a vulcanization activator, wherein the rubber vulcanization accelerator is one or more than two of CBS, M, DM and TMTD, and the vulcanization activator is a combination of zinc oxide and stearic acid;
the vulcanizing agent is sulfur.
4. A preparation method of an ultrahigh damping rubber support is characterized by comprising the following steps: the method comprises the following steps:
s1 preparation of damping rubber blank film with high energy consumption
S11 preparation of master batch:
s111, preparing materials in parts by weight as follows:
30-60 parts of natural rubber, 20-40 parts of chloroprene rubber, 10-30 parts of nitrile rubber, 15-40 parts of chlorinated butyl rubber, 2-40 parts of damping reinforcing material, 10-100 parts of filler and 4-12 parts of anti-aging agent;
s112, putting the prepared materials into an internal mixer for plastication, slowly increasing the top plug pressure of the internal mixer, stirring for 1-20 minutes to discharge rubber, and cooling and placing for more than 1 hour for later use;
s12 preparation of rubber compound:
s121, putting 120-220 parts of the cooled master batch into an internal mixer, slowly increasing the top plug pressure of the internal mixer, and stirring for 1-20 minutes;
s122, adding 5-90 parts of filler, 5-50 parts of softener and 5-15 parts of vulcanization aid into an internal mixer, keeping the top plug pressure of the internal mixer, and stirring for 1-10 minutes;
s123, adding 0.5-3 parts of vulcanizing agent into the internal mixer, keeping the upper ram pressure of the internal mixer, stirring for 1-5 minutes, lifting the ram for 5-15 seconds to enable the rubber material in the whole internal mixing chamber to be alternately turned up and down for further and fully mixing, then placing the upper ram, keeping the upper ram pressure, stirring for 1-5 minutes, then discharging the rubber, and conveying the rubber to the open mill from a rubber discharge port for left and right rubber swinging operation for 1-6 times;
s124, pulling a piece, cooling, drying and cutting pieces, namely pulling out a continuous long rubber piece from a roller of an open mill, cooling and drying, cutting the dried long rubber piece into rubber pieces with the same size, obtaining high-energy-consumption damping rubber blank rubber pieces, and stacking and storing the rubber pieces for later use;
s2 preparation of high-elasticity rubber blank film
S21 plasticated raw rubber:
s211, preparing materials in parts by weight; 30-90 parts of natural rubber and 10-70 parts of chloroprene rubber;
s212, putting the prepared materials into an internal mixer for plastication, slowly increasing the top plug pressure of the internal mixer, stirring for 1-20 minutes, discharging rubber, cooling and placing for more than 1 hour for later use;
s22 preparation of rubber compound:
s221, putting 100 parts of plasticated raw rubber into an internal mixer, slowly increasing the top plug pressure of the internal mixer, and stirring for 1-5 minutes;
s222, adding 10-80 parts of filler, 5-15 parts of anti-aging agent, 5-50 parts of softener and 6-16 parts of vulcanization aid into an internal mixer, keeping the top plug pressure of the internal mixer, and stirring for 2-10 minutes;
s223, adding 0.5-2.5 parts of vulcanizing agent into the internal mixer, keeping the upper plug pressure of the internal mixer, stirring for 1-6 minutes, raising the plug for 5-15 seconds, enabling the rubber material in the whole internal mixing chamber to be alternately turned up and down for further and fully mixing, then placing the upper plug, keeping the upper plug pressure, stirring for 1-4 minutes, then discharging the rubber, and conveying the rubber to the open mill from a rubber discharge port for left and right rubber swinging operation for 1-6 times;
s224 pulling sheet, cooling, drying and cutting: pulling out a continuous long rubber sheet from a roller of an open mill, cooling, drying, cutting the dried long rubber sheet into rubber sheets with the same size to obtain high-elasticity rubber blank rubber sheets, and stacking and storing the rubber sheets for later use;
s3 preparation of rubber sheet for support
And (S31) processing blank films:
respectively putting the high-energy-consumption damping rubber blank film and the high-elasticity rubber blank film prepared in the steps S1 and S2 into a sheet discharging machine for processing;
s311 thin pass: adjusting the roll spacing to be small, respectively feeding the high-energy-consumption damping rubber or high-elasticity rubber blank rubber sheets into the rollers for 2-3 times, and enabling the rubber to pass through the gap between the two rollers and then become a thin layer, so that the Mooney viscosity of the rubber is reduced;
s312, turning: adjusting the roller distance to turn over and smelt the rubber material, cutting the rubber left and right, pulling out a rubber sheet with a certain length from one side of the roller, putting the rubber sheet into the roller to mix with the rubber material accumulated on the roller, and repeatedly operating for 3-4 times to enable the rubber material to be more uniform;
s313, sheet discharging: adjusting the roll gap of the sheet discharging machine according to the thickness requirement of the sheet to discharge the sheet to obtain a high-energy-consumption damping rubber sheet or a high-elasticity rubber sheet;
s32, manufacturing an intermediate glue layer and an encapsulation strip:
s321, manufacturing an intermediate rubber layer, and cutting the high-energy-consumption damping rubber sheet or the high-elasticity rubber sheet manufactured by the processing into a round or square shape by using a cutter according to the drawing size requirement of the support so as to obtain the high-energy-consumption damping rubber intermediate rubber layer or the high-elasticity rubber intermediate rubber layer for later use;
s322, manufacturing an adhesive tape wrapping strip, and cutting the high-energy-consumption damping rubber sheet or the high-elasticity rubber sheet manufactured by the processing into the adhesive tape by using a cutter;
s33 preparing a support rubber sheet;
s331, preparing a composite rubber sheet I:
s3311 according to the requirement of the size of the support drawing: coating a high-elasticity rubber adhesive tape on the periphery of the middle rubber layer of the high-energy-consumption damping rubber;
s3312, pressing the head and the tail of the rubber strip with a cutter to make the rubber strip adhere and close, pressing the middle rubber layer and the coating rubber strip, and adhering the butted parts together by using the adhesiveness of rubber to obtain a circular or square composite rubber sheet I with only one rubber coating layer;
s3313, when the number M of the rubber coating layers is 3 or 5, according to the requirement of the drawing size of the support, firstly coating the high-elasticity rubber adhesive tape on the periphery of the middle rubber layer of the high-energy-consumption damping rubber, repeating the step S3312 to obtain a first rubber coating layer, then coating the high-energy-consumption damping rubber adhesive tape on the periphery of the first rubber coating layer, repeating the step S3312 to obtain a second rubber coating layer, and alternately coating in the way until the composite rubber sheet I with the number M of the rubber coating layers being 3 or 5 is obtained;
s332, preparing a composite rubber sheet II:
s3321, according to the requirement of the drawing size of the support: coating the high-energy-consumption damping rubber adhesive tape on the periphery of the high-elasticity rubber intermediate adhesive layer;
s3322, pressing the head and the tail of the adhesive tape oppositely by using a cutter to enable the adhesive tape to be bonded and closed, pressing the middle adhesive layer and the coating adhesive tape oppositely, and bonding the butted parts together by using the viscosity of rubber to obtain a first coating adhesive layer;
s3323, coating the high-elasticity rubber adhesive tape on the periphery of the high-energy-consumption damping rubber, and repeating the step S3322 to prepare a second rubber layer coating layer to obtain a circular or square composite rubber sheet II only comprising 2 rubber layer coatings;
s3324, when the number N of the encapsulation layers is 4 or 6, repeating the steps S3321-S3323 until a composite rubber sheet II with 4 or 6 encapsulation layers is obtained;
s4 manufacturing support
S41 steel plate treatment: shot blasting, leveling, cleaning and drying of a cleaning machine for the steel plate, and then coating an adhesive;
s42 vulcanization: and (3) adopting a compression molding high-temperature vulcanization mode, firstly putting a lower inner connecting steel plate into a mold, then alternately superposing the support rubber sheet prepared in the step S33 and the stiffening steel plate processed in the step S41 according to a drawing and requirements, putting the mold, finally putting an upper inner connecting steel plate, controlling the vulcanization temperature, the vulcanization time and the vulcanization pressure, and vulcanizing to obtain the high-damping rubber support or the ultrahigh-damping rubber support.
5. The method for preparing the ultra-high damping rubber support according to claim 4, wherein the method comprises the following steps:
the main technical parameters of the internal mixer are as follows: the rotating speed of the main machine is 10-40 r/min, the top plug pressure is 0.1-1 MPa, and the circulating cooling water pressure is 0.1-1 MPa; the term "slowly increasing the ram pressure on the internal mixer" means that the ram pressure on the internal mixer is increased to 1 MPa.
6. The method for preparing the ultra-high damping rubber support according to claim 5, wherein the method comprises the following steps:
in the steps S112, S123, S212 and S223, the internal mixer is controlled to be 100-125 ℃ during rubber dischargingoC；
In the step S42 of vulcanization, the vulcanization temperature is 110-150 DEG CoAnd C, the vulcanization pressure is 2-20 MPa, the vulcanization time is determined according to the thickness of the support, and the vulcanization time is 1-24 hours when the thickness of the support is 30-500 mm.
CN202010681673.3A 2020-07-15 2020-07-15 Ultrahigh-damping rubber support and preparation method thereof Pending CN111809739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010681673.3A CN111809739A (en) 2020-07-15 2020-07-15 Ultrahigh-damping rubber support and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010681673.3A CN111809739A (en) 2020-07-15 2020-07-15 Ultrahigh-damping rubber support and preparation method thereof

Publications (1)

Publication Number Publication Date
CN111809739A true CN111809739A (en) 2020-10-23

Family

ID=72865139

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010681673.3A Pending CN111809739A (en) 2020-07-15 2020-07-15 Ultrahigh-damping rubber support and preparation method thereof

Country Status (1)

Country Link
CN (1) CN111809739A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114213776A (en) * 2021-12-31 2022-03-22 广东信力科技股份有限公司 Elastomer material, composite vibration damping base plate thereof and preparation method of base plate
CN114263103A (en) * 2022-01-11 2022-04-01 江苏圣耐普特矿山设备制造有限公司 Novel damping base and manufacturing process thereof
CN115139597A (en) * 2022-08-05 2022-10-04 道尔道科技股份有限公司 High-damping wear-resistant rubber vibration damping pad and preparation process thereof
CN116693949A (en) * 2023-08-01 2023-09-05 中裕铁信交通科技股份有限公司 Rubber material, preparation method thereof and shock-absorbing and isolating rubber support structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114213776A (en) * 2021-12-31 2022-03-22 广东信力科技股份有限公司 Elastomer material, composite vibration damping base plate thereof and preparation method of base plate
CN114263103A (en) * 2022-01-11 2022-04-01 江苏圣耐普特矿山设备制造有限公司 Novel damping base and manufacturing process thereof
CN115139597A (en) * 2022-08-05 2022-10-04 道尔道科技股份有限公司 High-damping wear-resistant rubber vibration damping pad and preparation process thereof
CN116693949A (en) * 2023-08-01 2023-09-05 中裕铁信交通科技股份有限公司 Rubber material, preparation method thereof and shock-absorbing and isolating rubber support structure
CN116693949B (en) * 2023-08-01 2023-10-27 中裕铁信交通科技股份有限公司 Rubber material, preparation method thereof and shock-absorbing and isolating rubber support structure

Similar Documents

Publication Publication Date Title
CN111809739A (en) Ultrahigh-damping rubber support and preparation method thereof
CN108264662B (en) Sizing material for coated rubber roller, coated rubber roller and preparation method thereof
WO2022127312A1 (en) Low-roller-resistance energy-saving rubber conveying belt and covering rubber thereof
CN103183199B (en) A kind of pattern conveyor belt and manufacture method thereof
CN102230448A (en) Wind power generator blade of bamboo fibre reinforced composite material and manufacture method thereof
CN111941968B (en) Pressure-resistant corrosion-resistant rubber airbag cloth composite material and preparation method thereof
CN107880406B (en) Modified ethylene propylene diene monomer, water stop belt, preparation method, application and manufacturing plant thereof
CN105330906B (en) A kind of impact resistance tear-proof steel cable core conveying belt rubber cover and preparation method
CN103316730B (en) Exempt from replace wheeled serial paddy hulling rubber roll and production method thereof
CN109880187B (en) Impact-resistant, wear-resistant and tear-resistant steel wire rope core conveying belt and preparation method thereof
CN211279828U (en) Belt laminating drum mechanism with intermediate support
CN102585728B (en) Adhesive for heat-resistant conveying belt and preparation method thereof
CN104803147B (en) Abrasion-resisting low-rolling-resistance energy-saving steel wire rope core conveying belt
CN101200561A (en) Equalizing fiche glue for aviation tyre and eualizing fiche
CN111434489A (en) Fatigue-resistant chloroprene rubber air spring air bag and preparation method thereof
CN109456517A (en) A kind of solid tread glue formula of mining top load transporting supports vehicle and preparation process
CN212472674U (en) Steel wire rope core conveyer belt for TBM
CN108558236B (en) Bulletproof glass and preparation process thereof
CN106628830B (en) A kind of folder fabric V-belt preparation method
CN111497387A (en) Metal rubber composite sealing plate and solid state manufacturing method thereof
CN110804255A (en) Steel wire belt surface adhesive for steel wire belt of drum-type vulcanizing machine
CN213704246U (en) Calender sizing cleaning device
CN103862688A (en) Method for preparing anti-tear conveying belt
CN108790350A (en) A kind of modified TPO waterproof rolls and preparation method thereof
CN213648330U (en) Wave-absorbing material preparation facilities

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination