CN112345342A - Rubber roller simulation testing machine and testing method thereof - Google Patents

Rubber roller simulation testing machine and testing method thereof Download PDF

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Publication number
CN112345342A
CN112345342A CN202011317208.8A CN202011317208A CN112345342A CN 112345342 A CN112345342 A CN 112345342A CN 202011317208 A CN202011317208 A CN 202011317208A CN 112345342 A CN112345342 A CN 112345342A
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roller
roll
rubber
test
rubber roller
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徐海潮
朱文华
葛正东
潘震宇
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Nanjing Jinsanli Roller Technology Co.,Ltd.
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Nanjing Jinsanli Rubber & Plastic Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56—Investigating resistance to wear or abrasion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0005—Repeated or cyclic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0019—Compressive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/005—Electromagnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0222—Temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0236—Other environments

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  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses a rubber roller simulation testing machine and a testing method thereof, and belongs to the technical field of mechanical equipment. The invention overcomes the defect of low reliability caused by the fact that the existing rubber roller simulation testing machine cannot fully simulate the working environment of a rubber roller, and provides the rubber roller simulation testing machine. The invention also provides a test method of the rubber roller simulation test machine, which systematically guides the design, research and development of rubber roller rubber materials and the production process to achieve the optimal combination by establishing test data of different types of rubber rollers on different production lines and stations, and effectively improves the material performance and the rubber layer reliability.

Description

Rubber roller simulation testing machine and testing method thereof
Technical Field
The invention belongs to the technical field of mechanical equipment, and particularly relates to a rubber roller simulation testing machine and a testing method thereof.
Background
Along with the improvement of the quality of a steel mill, the quality requirement on the rubber roller is synchronously improved, the service cycle of the wringing roller is 2-3 months from the prior, the service cycle is adjusted to 4-5 months or even 6 months, the rubber roller is not allowed to jump or even degum in the service life, and the quality of a steel belt and the production efficiency of the steel mill are influenced, so that the quality of rubber and the quality of the rubber roller (the roller core is bonded with the rubber) are very important.
In order to solve the above problems, the prior art discloses a corresponding simulation testing machine to simulate the working state of a rubber roller, such as patent application No. 2015103076632, application date 2015, 6 months and 8 days, the invention provides a rubber roller simulation testing machine, which comprises a frame, a freely rotating steel roller is arranged on a middle plate of the frame, the steel roller is driven by a motor on a bottom plate of the frame, a guide rail is arranged between a top plate and the middle plate, a lifting device is arranged on the guide rail, the lifting device is driven by a hydraulic oil cylinder on the top plate, the rubber roller is arranged on the lifting device and can freely rotate, the lifting device can move up and down by the hydraulic oil cylinder, and the rubber roller is driven to rotate by the rotation of the steel roller after the roller surface of the rubber roller is contacted with the roller surface of. The testing machine is reasonable in structure and convenient to operate, can accurately simulate the actual working condition of the rubber roller, and gives targeted guidance for the improvement of the formula of the rubber layer.
However, through careful analysis, the technical solution disclosed in this patent has obvious limitations, which are mainly reflected in the following aspects:
(1) the technical scheme of the patent only reflects the test of the rubber roller without a medium, but the rubber roller of a steel mill has a part of rubber rollers which operate in solution media such as alkali, acid and the like, and the influence of the presence or absence of the medium on the performance of the rubber layer of the rubber roller is great;
(2) the technical scheme of the patent only reflects the completion test of the wringing roller, and the rubber rollers of a steel mill are respectively provided with the wringing roller, the carrier roller, the steering roller, the press roller, the sink roller and the like according to different stations, respectively provided with the stainless steel wire, the tinning wire, the pickling wire, the continuous annealing wire and the like according to different production lines, respectively provided with the medium-high roller, the grooving roller, the flat roller and the like according to different rubber roller structures, and have different requirements on the performance of the rubber layer; the patent only reflects the direct extrusion test of the rubber roller and cannot reflect the performances of friction, extrusion, impact resistance and the like when the steel belt is conveyed;
(3) the technical scheme of this patent is experimental power adopts the motor to pass through the belt and conveys the rubber roll, only is suitable for the low-speed experiment, in long-term high-speed test process, can not keep power transmission's stability and homogeneity, influences the test data.
Therefore, although the technical scheme of the patent discloses a rubber roller simulation testing machine which can simulate the working state of a rubber roller under a certain working environment and medium, the rubber roller simulation testing machine cannot fully reflect the rubber roller service performance under various production lines, stations and environments, is not beneficial to fully testing the bonding of the rubber roller and the performance reliability of the rubber layer, and restricts the diversified development of the rubber roller and the technical progress of rubber roller rubber materials.
In conclusion, how to overcome the defect that the existing rubber roller simulation testing machine cannot fully simulate the working environment of the rubber roller, so that the reliability is not high, is a technical problem to be solved urgently in the prior art.
Disclosure of Invention
1. Technical problem to be solved by the invention
The rubber roller simulation testing machine provided by the invention overcomes the defect of low reliability caused by the fact that the existing rubber roller simulation testing machine cannot fully simulate the working environment of a rubber roller, and can simulate the friction force, stress and strain operation generated when a steel mill production line rubber roller conveys a steel belt so as to reasonably predict and evaluate the abrasion resistance, extrusion deformation performance and bonding performance of the rubber layer when the rubber roller is normally or abnormally rubbed.
The invention also provides a test method of the rubber roller simulation test machine, which systematically guides the design, research and development of rubber roller rubber materials and the production process to achieve the optimal combination by establishing test data of different types of rubber rollers on different production lines and stations, and effectively improves the material performance and the rubber layer reliability.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the rubber roller simulation testing machine comprises a rack body, wherein a roller body and a steel belt are arranged on the rack body, the roller body comprises a lower roller and an upper roller which are oppositely arranged up and down, a winding roller and an unwinding roller are arranged on two sides of the lower roller, and the steel belt is sleeved on the winding roller, the unwinding roller and the lower roller;
the lower roll and the upper roll are used for oppositely grinding the steel strip, the wind-up roll and the decoiler roll are used for adjusting the oppositely grinding angle of the lower roll and the upper roll to the steel strip, and the wind-up roll, the decoiler roll and the upper roll are arranged on the travel guide rail and driven to lift through the lifting mechanism.
As a further improvement of the invention, the lower roller is driven by a variable frequency motor to rotate, the machine frame body is also provided with a liquid injection container and a solution recovery device, and when the lower roller and the upper roller grind a steel strip, the liquid injection container is used for instilling a grinding roller body.
As a further improvement of the invention, the liquid filling container is an automatic metering control system.
As a further improvement of the invention, the rated speed of the variable frequency motor is 50-1000 rpm/min.
As a further improvement of the invention, the wind-up roll and the wind-down roll are rubber rollers, and the lower roll and the upper roll are steel rollers or rubber rollers.
As a further improvement of the invention, when the lower roller and the upper roller are steel rollers, the steel rollers are heated by an electric field or a magnetic field to control the temperature.
The invention discloses a test method of a rubber roller simulation testing machine, which adopts the simulation testing machine to test and comprises the following steps:
a. after the angle positioning is carried out by adjusting the wind-up roll and the decoiler roll, assembling the steel strip on the wind-up roll, the decoiler roll and the lower roll;
b. starting a variable frequency motor for driving the lower roller to rotate, and adjusting the speed of the variable frequency motor to be 50-1000 rpm/min;
c. adjusting the positions of the lower roller and the upper roller to enable the upper roller to be pressed on the lower roller, and adjusting the opposite grinding pressure of the lower roller and the upper roller to the steel strip;
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and starting up the rubber roller at an irregular time or continuously starting up the rubber roller, and checking the appearance and the hardness of the rubber layer to obtain test data, namely completing the simulation test of the rubber roller.
As a further improvement of the invention, in the step a, the wind-up roll and the wind-off roll are carrier rollers or steering rollers; in the step c, the upper roller is a drying roller upper roller or a pressing roller, and the lower roller is a drying roller lower roller or a steering roller.
As a further improvement of the invention, when the temperatures of different positions of the roller surface are detected regularly in the step d, the relation among time, temperature and pressure is recorded every 45-60min, the temperatures of two ends of the adhesive layer and the middle of the adhesive layer are recorded, and the appearance of the adhesive layer is checked; and finally, recording the diameter, the hardness and the appearance of the rubber roller after the machine is stopped or the test is finished.
And e, as a further improvement of the invention, after the test in the step e is finished, the upper roller is lifted, the steel belt is disassembled, and after each roller body needs to be replaced according to the simulated environment, the test is repeated according to the steps a to e, so that the test data of the rubber rollers with different materials or roller shapes on different production lines and stations are established.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) according to the rubber roller simulation testing machine, the winding roller, the unwinding roller, the lower roller and the upper roller are matched with each other, so that the friction force, stress and strain operation generated when a steel strip is conveyed by a production line rubber roller in a steel mill can be simulated, and the abrasion resistance, extrusion deformation performance and bonding performance of the rubber layer when the rubber roller is normally or abnormally rubbed can be reasonably predicted and evaluated.
(2) The rubber roller simulation testing machine provided by the invention can simulate continuous or discontinuous operation of rubber rollers at different stations such as a squeezing roller, a steering roller, a compression roller, a middle-high roller, a grooved roller, a flat roller and the like in a steel mill, and has extrusion deformation resistance, wear resistance and bonding property of a rubber layer by changing roller bodies made of different materials or different roller types for multiple tests.
(3) The rubber roller simulation testing machine adopts a high-performance variable frequency motor, can simulate the production operation of rubber rollers of different production lines at variable speed or constant speed, and detects the extrusion deformation resistance, the wear resistance and the bonding property of a rubber layer; and the power transmission of the motor is stable, and compared with the transmission of a rubber belt, the energy loss and the noise can be effectively reduced.
(4) According to the test method of the rubber roller simulation testing machine, test data of different types of rubber rollers on different production lines and stations are established, so that the rubber roller rubber material design, research and development and the production process are systematically guided to achieve the optimal combination, and the material performance and the rubber layer reliability are effectively improved.
Drawings
FIG. 1 is a schematic structural view of a rubber dummy roll testing machine according to the present invention;
FIG. 2 is a schematic structural view of a wind-up roll, a wind-down roll and a lower roll in an approximate arc distribution in example 1;
FIG. 3 is a schematic structural view of a wind-up roll, a wind-down roll and a lower roll in example 3 in regular triangular distribution;
FIG. 4 is a schematic structural view of the wind-up roll, the wind-down roll and the lower roll in the inverted triangular distribution in embodiment 4;
fig. 5 is a schematic structural view of the winding roller, the unwinding roller and the lower roller in an irregular triangular distribution in embodiment 5.
Reference numerals:
1. a wind-up roll; 2. unwinding the roller; 3. a lower roll; 4. upper roll; 5. a steel belt; 6. a lifting mechanism; 7. a travel guide rail; 8. a liquid injection container; 9. a drive mechanism; 10. and a solution recovery device.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description of the invention taken in conjunction with the accompanying drawings.
The existing rubber roller simulation testing machine usually adopts an upper steel roller and a lower steel roller to grind a steel belt, can only measure the rubber roller service performance under certain conditions, cannot fully reflect the rubber roller service performance under various production lines, stations and environments, and is not beneficial to fully testing the rubber roller bonding and the rubber layer performance reliability.
In the invention, a set of wind-up roll 1 and a set of decoiler roll 2 for adjusting angles are arranged on two sides of the upper and lower grinding rolls, and the roll bodies are driven to lift through the lifting mechanism 6 so as to control the friction angle between the steel belt 5 and the upper and lower roll bodies, so that the working states of the rubber roll under different conditions can be fully simulated, the service performance of the rubber roll can be measured, for example, the direction and the magnitude of the shear stress during the rubber roll friction can be controlled through adjusting the angles, the magnitude of the normal stress during the rubber roll friction can be controlled through adjusting the extrusion of the upper and.
Specifically, with reference to fig. 1, the rubber roller simulation testing machine comprises a rack body, wherein a roller body and a steel belt 5 are arranged on the rack body, the roller body comprises a lower roller 3 and an upper roller 4 which are arranged oppositely from top to bottom, a wind-up roller 1 and a decoiler roller 2 are arranged on two sides of the lower roller 3, and the steel belt 5 is sleeved on the wind-up roller 1, the decoiler roller 2 and the lower roller 3; the lower roll 3 and the upper roll 4 are used for oppositely grinding the steel strip 5, the wind-up roll 1 and the uncoiling roll 2 are used for adjusting the oppositely grinding angle of the lower roll 3 and the upper roll 4 to the steel strip 5, and the wind-up roll 1, the uncoiling roll 2 and the upper roll 4 are installed on the travel guide rail 7 and driven to lift through the lifting mechanism 6.
According to the rubber roller simulation testing machine, the winding roller 1, the decoiling roller 2, the lower roller 3 and the upper roller 4 are matched with each other, so that the friction force, stress and strain operation generated when a steel strip is conveyed by a production line rubber roller in a steel mill can be simulated, the abrasion resistance, the extrusion deformation performance and the bonding performance of a rubber layer during normal friction of the rubber roller and the abrasion resistance, the shearing tearing performance and the bonding performance of a material during abnormal friction are reasonably predicted and evaluated.
In the embodiment, the lower roller 3 is driven by the variable frequency motor 9 to rotate, the rack body is further provided with the liquid injection container 8 and the solution recovery device 10, and when the lower roller 3 and the upper roller 4 grind the steel strip 5 oppositely, the liquid injection container 8 is used for instilling the opposite grinding roller body. The production operation of rubber covered rollers of different production lines is simulated by adopting a high-performance variable frequency motor at variable speed or constant speed, and the extrusion deformation resistance, the wear resistance and the bonding property of a rubber layer are detected; the power transmission is stable, and energy loss and noise can be effectively reduced compared with rubber belt transmission.
Preferably, the liquid filling container 8 is an automatic metering control system in order to accurately control the dropping speed of the solution. Through setting up the automatic measurement instillation system, can simulate the friction extrusion performance of rubber roll in wet attitude and dry state environment. In addition, the rated speed of the variable frequency motor 9 is 50-1000rpm/min, and the rotating speed can be reasonably set according to the requirement.
As an implementation mode, the winding roller 1 and the uncoiling roller 2 are rubber rollers, and the lower roller 3 and the upper roller 4 are steel rollers or rubber rollers. Further, when the lower roller 3 and the upper roller 4 are steel rollers, the steel rollers are heated through an electric field or a magnetic field for temperature control, and the actual working state of the steel rollers can be fully simulated through temperature control of the steel rollers, so that real and reliable test data can be obtained.
In addition, the invention also provides a test method of the rubber roller simulation test machine, the test is carried out by adopting the simulation test machine, and the method specifically comprises the following steps:
a. after the angle positioning is carried out by adjusting the wind-up roll 1 and the decoiler roll 2, the steel strip 5 is assembled on the wind-up roll 1, the decoiler roll 2 and the lower roll 3;
b. starting a variable frequency motor 9 for driving the lower roller 3 to rotate, and adjusting the speed of the variable frequency motor to be 50-1000 rpm/min;
c. adjusting the positions of the lower roller 3 and the upper roller 4 to press the upper roller 4 on the lower roller 3, and adjusting the opposite grinding pressure of the lower roller 3 and the upper roller 4 on the steel strip 5;
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and starting up the rubber roller at an irregular time or continuously starting up the rubber roller, and checking the appearance and the hardness of the rubber layer to obtain test data, namely completing the simulation test of the rubber roller.
As an implementation manner, in this embodiment, when the upper roller 4 and the lower roller 3 grind the steel strip 5, solutions are instilled simultaneously, and the components of the solutions can be proportioned according to the actual working environment of the rubber roller, so as to sufficiently reflect the conditions of the upper roller body and the lower roller body on grinding the steel strip 5 under different working media, and improve the real reliability of the obtained data.
Preferably, in order to improve the adaptability of the simulation testing machine, the wind-up roll 1 and the decoiler roll 2 in the step a are carrier rollers or steering rollers; in the step c, the upper roller 4 is an upper roller or a compression roller of a drying roller, and the lower roller 3 is a lower roller or a steering roller of the drying roller.
Further, when the temperatures of different positions of the roller surface are detected regularly in the step d, the relationship among time, temperature and pressure is recorded every 45-60min, the temperatures of two ends of the adhesive layer and the middle of the adhesive layer are recorded, and the appearance of the adhesive layer is checked; and finally, recording the diameter, the hardness and the appearance of the rubber roller after the machine is stopped or the test is finished.
In order to simulate the working states of the working rollers in different products, after the test in the step e is finished, the upper roller 4 is lifted, the steel belt 5 is disassembled, after the test is clean and sanitary, roller bodies of different types need to be replaced according to the simulated environment, and then the test is repeated according to the steps a to e, so that test data of rubber rollers of different materials or roller types on different production lines and stations are established.
Therefore, the simulation testing machine provided by the invention can simulate continuous or discontinuous operation of rubber rollers at different stations such as a squeezing roller, a steering roller, a compression roller, a medium-high roller, a grooved roller, a flat roller and the like in a steel mill, and can simulate the extrusion deformation resistance, the wear resistance and the bonding performance of a rubber layer by changing roller bodies made of different materials or different roller types for multiple tests.
The simulation testing machine testing method establishes the testing data of rubber rollers made of different materials on different production lines and stations, systematically guides the design, research and development of rubber roller rubber materials and the production process to achieve the optimal combination, and effectively improves the material performance and the rubber layer reliability.
The present invention will be described in detail below with reference to examples 1 to 5, which show test data recorded in a simulation test performed by using the simulation test apparatus of the present invention.
Example 1
The test method of the rubber roller simulation test machine in the embodiment is implemented by setting test parameters of the test machine according to the following steps of:
a. after the angle positioning is carried out by adjusting the wind-up roll 1 and the decoiler roll 2, the steel strip 5 is assembled on the wind-up roll 1, the decoiler roll 2 and the lower roll 3; the surface of the steel strip 5 is uneven, and the wind-up roll 1, the decoiler roll 2 and the lower roll 3 approximately form an arc line, which is shown in figure 2;
b. starting a variable frequency motor 9 for driving the lower roller 3 to rotate, and adjusting the speed of the variable frequency motor to be 300 rpm/min;
c. adjusting the positions of the lower roller 3 and the upper roller 4 to press the upper roller 4 on the lower roller 3, and adjusting the opposite grinding pressure of the lower roller 3 and the upper roller 4 to the steel strip 5 to be 0.55 MPa;
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and (4) stopping the machine after the machine is continuously started for 336 hours, and checking the appearance and the hardness of the rubber layer to obtain test data, namely completing the simulation test of the rubber roller.
The test fully reflects the influence of the uneven steel belt 5 on the service performance of the glue layer of the wringing roller and the carrier roller, and the test performance of the detection rubber roller is shown in the following table 2 by the qualitative and quantitative change of the glue layer performance, the systematic adjustment of the material formula and the matched production process.
Table 1 testing machine testing data recording table
Figure BDA0002791612520000061
TABLE 2 material Property test data recording sheet
Figure BDA0002791612520000062
Figure BDA0002791612520000071
Example 2
The testing method of the rubber roller simulation testing machine in the embodiment basically has the same steps as the embodiment 1, and is different from the following steps: the test parameters of the tester are set according to table 3 and are carried out according to the following steps:
a. after the angle positioning is carried out by adjusting the wind-up roll 1 and the decoiler roll 2, the steel strip 5 is assembled on the wind-up roll 1, the decoiler roll 2 and the lower roll 3; the surface of the steel belt 5 is uneven, the width of the assembled steel belt 5 is 30cm, and the wind-up roll 1, the decoiler roll 2 and the lower roll 3 are approximate to form an arc line, which is shown in figure 2;
b. starting a variable frequency motor 9 for driving the lower roller 3 to rotate, and adjusting the speed of the variable frequency motor to 660 rpm/min;
c. adjusting the positions of the lower roller 3 and the upper roller 4 to enable the upper roller 4 to be pressed on the lower roller 3, adjusting the opposite grinding pressure of the lower roller 3 and the upper roller 4 to the steel strip 5 to be 0.4MPa, and then instilling a solution medium;
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and stopping the machine after the machine is continuously started for 240 hours, and checking the appearance and the hardness of the rubber layer to obtain test data, namely completing the simulation test of the rubber roller.
The test fully reflects the influence of the width print of the steel belt 5 on the service performance of the glue layers of the drying roller and the carrier roller as the extension of the invention, and the test performance of the detection rubber roller is shown in the following table 4 by the qualitative and quantitative change of the performance of the glue layers, the systematic adjustment of the material formula and the matched production process.
Table 3 testing machine testing data recording table
Figure BDA0002791612520000072
TABLE 4 material Property test data Table
Figure BDA0002791612520000081
Example 3
The testing method of the rubber roller simulation testing machine in the embodiment basically has the same steps as the embodiment 1, and is different from the following steps: the test parameters of the tester were set according to table 5 and were carried out according to the following procedure:
a. after the angle positioning is carried out by adjusting the wind-up roll 1 and the decoiler roll 2, the steel strip 5 is assembled on the wind-up roll 1, the decoiler roll 2 and the lower roll 3; the surface of the steel belt 5 is uneven, the width of the assembled steel belt 5 is 50cm, and the wind-up roll 1, the decoiler roll 2 and the lower roll 3 are distributed in a regular triangle, as shown in fig. 3;
b. starting a variable frequency motor 9 for driving the lower roller 3 to rotate, and adjusting the speed of the variable frequency motor to 860 rpm/min;
c. adjusting the positions of the lower roller 3 and the upper roller 4 to press the upper roller 4 on the lower roller 3, and adjusting the opposite grinding pressure of the lower roller 3 and the upper roller 4 to the steel strip 5 to be 0.35 MPa;
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and stopping the machine after continuously starting the machine for 168 hours, and checking the appearance and the hardness of the rubber layer to obtain test data to finish the simulation test of the rubber roller.
The test fully reflects the dry friction of the elasticity, strength and wear resistance of the rubber layer of the wringing roller and the steering roller without a medium as the improvement of the invention, and the test performance of the rubber roller is detected as shown in the following table 6 by the qualitative and quantitative change of the performance of the rubber layer, the systematic adjustment of the material formula and the matched production process.
Table 5 testing machine testing data recording table
Figure BDA0002791612520000082
Figure BDA0002791612520000091
TABLE 6 material Property test data Table
Figure BDA0002791612520000092
Example 4
The testing method of the rubber roller simulation testing machine in the embodiment basically has the same steps as the embodiment 1, and is different from the following steps: the test parameters of the tester were set according to table 7 and were carried out according to the following procedure:
a. after the angle positioning is carried out by adjusting the wind-up roll 1 and the decoiler roll 2, the steel strip 5 is assembled on the wind-up roll 1, the decoiler roll 2 and the lower roll 3; the surface of the steel belt 5 is uneven, the width of the assembled steel belt 5 is 25cm, and the wind-up roll 1, the decoiler roll 2 and the lower roll 3 are distributed in an inverted triangle, and are shown in figure 4;
b. starting a variable frequency motor 9 for driving the lower roller 3 to rotate, and adjusting the speed of the variable frequency motor to 350 rpm/min;
c. adjusting the positions of the lower roller 3 and the upper roller 4 to enable the upper roller 4 to be pressed on the lower roller 3, adjusting the opposite grinding pressure of the lower roller 3 and the upper roller 4 to the steel strip 5 to be 0.45MPa, and then instilling the solution;
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and stopping the machine after the machine is continuously started for 340 hours, and checking the appearance and the hardness of the rubber layer to obtain test data, namely completing the simulation test of the rubber roller.
The test fully reflects the elasticity, strength and wet-friction resistance of the rubber layer of the drying roller and the steering roller in the presence of a medium as the improvement of the invention, and the test performance of the rubber roller is detected as shown in the following table 8 by the qualitative and quantitative change of the performance of the rubber layer, the systematic adjustment of the material formula and the matched production process.
Table 7 testing machine testing data recording table
Figure BDA0002791612520000101
TABLE 8 material Property test data Table
Figure BDA0002791612520000102
Example 5
The testing method of the rubber roller simulation testing machine in the embodiment basically has the same steps as the embodiment 1, and is different from the following steps: the test parameters of the tester were set according to table 9 and were carried out according to the following procedure:
a. after the angle positioning is carried out by adjusting the wind-up roll 1 and the decoiler roll 2, the steel strip 5 is assembled on the wind-up roll 1, the decoiler roll 2 and the lower roll 3; the surface of the steel belt 5 is uneven, the width of the assembled steel belt 5 is 50cm, and the wind-up roll 1, the decoiler roll 2 and the lower roll 3 are distributed in an irregular triangle, as shown in fig. 5;
b. starting a variable frequency motor 9 for driving the lower roller 3 to rotate, and adjusting the speed of the variable frequency motor to 550 rpm/min;
c. adjusting the positions of the lower roller 3 and the upper roller 4 to press the upper roller 4 on the lower roller 3, and adjusting the opposite grinding pressure of the lower roller 3 and the upper roller 4 to the steel strip 5 to be 0.4 MPa;
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and stopping the machine after the machine is continuously started for 340 hours, and checking the appearance and the hardness of the rubber layer to obtain test data, namely completing the simulation test of the rubber roller.
The test fully reflects the wet friction of the elasticity, strength and deviation-correcting performance of the rubber layer of the steering roller and the compression roller under the condition of a medium as the improvement of the invention, and the test performance of the rubber roller is detected as shown in the following table 10.
Table 9 testing machine testing data recording table
Figure BDA0002791612520000111
TABLE 10 material Property test data Table
Figure BDA0002791612520000112
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a rubber roller simulation testing machine, includes the frame body, be equipped with roll body and steel band (5) on the frame body, its characterized in that: the steel belt winding and unwinding device is characterized in that the roller body comprises a lower roller (3) and an upper roller (4) which are arranged oppositely up and down, a winding roller (1) and an unwinding roller (2) are arranged on two sides of the lower roller (3), and the steel belt (5) is sleeved on the winding roller (1), the unwinding roller (2) and the lower roller (3);
the lower roll (3) and the upper roll (4) are used for butt-grinding the steel strip (5), the wind-up roll (1) and the decoiler roll (2) are used for adjusting the butt-grinding angle of the steel strip (5) of the lower roll (3) and the upper roll (4), and the wind-up roll (1), the decoiler roll (2) and the upper roll (4) are installed on a travel guide rail (7) and driven to lift through a lifting mechanism (6).
2. The rubber roller simulation test machine according to claim 1, characterized in that: the lower roll (3) is driven by a variable frequency motor (9) to rotate, a liquid injection container (8) and a solution recovery device (10) are further arranged on the rack body, when the lower roll (3) and the upper roll (4) are oppositely ground during the steel strip (5), the liquid injection container (8) is used for instilling a grinding roller body.
3. The rubber roller simulation test machine according to claim 2, characterized in that: the liquid injection container (8) is an automatic metering control system.
4. The rubber roller simulation testing machine according to claim 2, characterized in that: the rated speed of the variable frequency motor (9) is 50-1000 rpm/min.
5. The rubber roller simulation testing machine according to claim 1, characterized in that: the winding roller (1) and the decoiling roller (2) are rubber rollers, and the lower roller (3) and the upper roller (4) are steel rollers or rubber rollers.
6. The rubber roller simulation testing machine according to claim 5, characterized in that: and when the lower roller (3) and the upper roller (4) are steel rollers, heating and temperature control are carried out on the steel rollers through an electric field or a magnetic field.
7. A test method of a rubber roller simulation tester, which adopts the simulation tester of any one of claims 1 to 6 to test, and is characterized in that: the method comprises the following steps:
a. after angle positioning is carried out by adjusting a wind-up roll (1) and a decoiler roll (2), assembling the steel strip (5) on the wind-up roll (1), the decoiler roll (2) and a lower roll (3);
b. starting a variable frequency motor (9) for driving the lower roller (3) to rotate, and adjusting the speed of the variable frequency motor to be 50-1000 rpm/min;
c. adjusting the positions of the lower roller (3) and the upper roller (4) to enable the upper roller (4) to press the lower roller (3), and adjusting the opposite grinding pressure of the lower roller (3) and the upper roller (4) to the steel strip (5);
d. detecting the temperature of different positions of each roll surface at regular time, and recording the relation between time and temperature;
e. and starting up the rubber roller at an irregular time or continuously starting up the rubber roller, and checking the appearance and the hardness of the rubber layer to obtain test data, namely completing the simulation test of the rubber roller.
8. The test method of the rubber roller simulation tester according to claim 7, characterized in that: in the step a, the winding roller (1) and the unwinding roller (2) are carrier rollers or steering rollers; in the step c, the upper roller (4) is an upper drying roller or a compression roller, and the lower roller (3) is a lower drying roller or a steering roller.
9. The test method of the rubber roller simulation tester according to claim 7, characterized in that: d, when the temperatures of different positions of the roller surface are detected regularly in the step d, recording the relation among time, temperature and pressure every 45-60min, recording the temperatures of two ends of the adhesive layer and the middle of the adhesive layer, and checking the appearance of the adhesive layer; and finally, recording the diameter, the hardness and the appearance of the rubber roller after the machine is stopped or the test is finished.
10. The test method of the rubber roller simulation tester according to claim 7, characterized in that: and e, after the test in the step e is finished, lifting the upper roller (4), disassembling the steel belt (5), replacing each roller body according to the requirement of a simulated environment, and repeating the test according to the steps a to e to establish test data of rubber rollers made of different materials or roller types on different production lines and stations.
CN202011317208.8A 2020-11-23 2020-11-23 Rubber roller simulation testing machine and testing method thereof Pending CN112345342A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115308068A (en) * 2022-10-12 2022-11-08 江苏红金顶织造有限公司 A testing arrangement for fabrics production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115308068A (en) * 2022-10-12 2022-11-08 江苏红金顶织造有限公司 A testing arrangement for fabrics production

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