CN219179147U

CN219179147U - Rubber abrasion test device

Info

Publication number: CN219179147U
Application number: CN202321178929.4U
Authority: CN
Inventors: 赵欢; 韩冰; 原沙沙; 陈天福; 刘小超
Original assignee: Xinxiang Luda Technology Co ltd
Current assignee: Xinxiang Luda Technology Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-06-13
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a rubber abrasion test device which comprises a device main body and a cylindrical rubber product, wherein a sample clamp is arranged on the front surface of the device main body, a pressure adjusting mechanism is arranged above the sample clamp, the cylindrical rubber product is arranged on the front surface of the sample clamp, an abrasive belt is arranged on the front surface of the device main body and below the cylindrical rubber product, the front surface of the device main body is connected with a supporting plate, and the supporting plate is positioned in the abrasive belt. According to the utility model, the first rotating disc is rotated to drive the cylindrical rubber product to move downwards, so that the cylindrical rubber product is contacted with the outer wall of the abrasive belt, the abrasive belt cannot be obviously bent under the supporting action of the supporting plate when being pressed by the cylindrical rubber product, friction is generated between the cylindrical rubber product and the flat surface, the abrasion condition of the rubber tire or the rubber sole when the cylindrical rubber product is contacted with a road surface is simulated, and the accuracy of experimental data is improved.

Description

Rubber abrasion test device

Technical Field

The utility model relates to the technical field of rubber product processing, in particular to a rubber abrasion test device.

Background

The DIN abrasion test is abrasion, which is a phenomenon that the surface of rubber is destroyed microscopically and falls off by friction. Under a certain load pressure, the negative rubber wheel forms a certain angle with the friction grinding wheel to carry out rotary rolling friction, and the surface of the rubber material is subjected to local stress concentration due to the friction of sharp points on the surface of the grinding wheel, so that the rubber is strongly torn at the stress concentration point, and tiny particles are formed to fall off to generate abrasion. The sharp points on the surface of the grinding wheel, when sharp, cause the rubber surface to be scratched, and a trace band parallel to the sliding direction, which is a characteristic of the cut and scratch abrasion, is a manifestation of the abrasion.

The utility model provides a rubber abrasion test device for CN216410964U, relates to rubber products processing field, including the device main part, the back of device main part is provided with the protection component, and top one side of device main part is connected with sample anchor clamps, and the opposite side of device main part is provided with clearance subassembly, and the internally mounted of device main part has the main motor. According to the utility model, fine sand is poured into the funnel firstly through the secondary motor, the auger, the funnel, the guide block, the leakage groove and the spray head, then the fine sand is guided into the transport box through the guide block, the auger is driven to rotate by the output end after the secondary motor is started to transport the fine sand upwards so that the fine sand enters the leakage groove, then the leakage groove guides the fine sand into the spray head, the fine sand is sprayed out of the grinding wheel through the spray head to form protection between the grinding wheel and the rubber product, the rubber product is prevented from being adhered to the grinding wheel after being melted, and the fallen fine sand flows back into the transport box through the funnel and the guide block for recycling, so that the rubber product is effectively prevented from being adhered to the surface of the grinding wheel after being melted.

However, when the present inventors embodied this device, the following drawbacks were found to exist: the device is used for fixing the rubber product on the cylindrical surface and generating abrasion with the cylindrical grinding wheel, the rubber product and the nonlinear rotary cylindrical grinding wheel are rubbed, the friction between the rubber product and the circular surface is similar to the friction between the circular rubber product and the circular surface, and the difference exists between the circular rubber product and the running working condition of an actual tire, so that the experimental data and the actual deviation are larger.

Disclosure of Invention

The utility model aims to provide a rubber abrasion test device, which drives a cylindrical rubber product to move downwards by rotating a first rotating disc, so that the cylindrical rubber product is contacted with the outer wall of an abrasive belt, the abrasive belt cannot be obviously bent when being subjected to the pressure of the cylindrical rubber product under the supporting action of a supporting plate, and the cylindrical rubber product and a flat surface generate friction to simulate the abrasion condition of a rubber tire or a rubber sole when being contacted with a road surface, thereby being beneficial to improving the accuracy of experimental data.

In order to solve the technical problems, the utility model is realized by the following technical scheme: a rubber abrasion test apparatus comprising: the device comprises a device body and a cylindrical rubber product, wherein a sample clamp is arranged on the front side of the device body, a pressure adjusting mechanism is arranged above the sample clamp, the cylindrical rubber product is arranged on the front side of the sample clamp, an abrasive belt is arranged on the front side of the device body and below the cylindrical rubber product, the front side of the device body is connected with a supporting plate, the supporting plate is located in the abrasive belt, and the upper surface of the supporting plate is attached to the inner wall of the abrasive belt.

Further, the front both sides of the device main body are rotationally connected with a driving belt wheel and a driven belt wheel, the abrasive belt is sleeved on the surfaces of the driving belt wheel and the driven belt wheel, the back of the device main body is connected with a motor, the output end of the motor penetrates through the device main body and is connected with the driven belt wheel, and a driving assembly capable of driving the driving belt wheel to move left and right is arranged between the driving belt wheel and the driven belt wheel.

Further, the drive assembly is including seting up the spacing groove in device main part one side of keeping away from driven pulleys, and the inside rotation in spacing groove is connected with the second threaded rod, and the second threaded rod runs through one side that the device main part kept away from driven pulleys and is connected with the second carousel, and the inside sliding connection in spacing groove has the stopper, stopper and second threaded rod threaded connection, and the driving pulley rotates one side of connecting at the stopper.

Further, the pressure regulating mechanism comprises a pressing plate arranged on the front face of the device main body, a lifting frame is arranged below the pressing plate, and the sample clamp is connected to the bottom of the lifting frame.

Further, the front symmetry of device main part has seted up T shape spout, and the clamp plate is close to the one end symmetry of device main part and is connected with T shape slider, and T shape slider sliding connection is in the inside of T shape spout.

Further, the positive top of device main part fixedly connected with protective housing, protective housing's inside rotates and is connected with first bevel gear and second bevel gear, first bevel gear and second bevel gear meshing, and the front that one side of first bevel gear runs through protective housing is connected with first carousel, and protective housing's bottom is run through to the bottom of second bevel gear is connected with first threaded rod, and first threaded rod runs through the clamp plate and with clamp plate threaded connection.

Further, the four corners equipartition of crane upper surface is connected with the uide bushing, and the uide bushing runs through the crane, and the four corners equipartition of clamp plate lower surface is connected with the guide bar, and guide bar sliding connection is in the inside of uide bushing.

Further, a pressure bearing sensor is connected to the middle position of the upper surface of the lifting frame, a spring is installed between the pressure receiving end above the pressure bearing sensor and the lower surface of the pressing plate, one end of the spring is connected with the lower surface of the pressing plate, and one end of the spring, far away from the pressing plate, is connected with the pressure receiving end above the pressure bearing sensor.

The utility model has the following beneficial effects:

1. according to the utility model, the first rotating disc is rotated to drive the cylindrical rubber product to move downwards, so that the cylindrical rubber product is contacted with the outer wall of the abrasive belt, the abrasive belt cannot be obviously bent under the supporting action of the supporting plate when being pressed by the cylindrical rubber product, friction is generated between the cylindrical rubber product and the flat surface, the abrasion condition of the rubber tire or the rubber sole when the cylindrical rubber product is contacted with a road surface is simulated, and the accuracy of experimental data is improved.

2. When the pressure plate moves downwards, the pressure bearing sensor is applied with pressure through the spring, the cylindrical rubber product is applied with pressure through the lifting frame and the sample clamp, when the pressure bearing sensor bears the pressure from the spring, the pressure is detected, and the pressure is displayed through the display instrument, so that the abrasion loss of the cylindrical rubber product when bearing different weights can be simulated.

3. According to the utility model, the second rotary table is rotated to drive the second threaded rod to rotate, and the limiting block and the driving belt pulley are driven to rotate in the direction close to the driven belt pulley, so that the distance between the driving belt pulley and the driven belt pulley is reduced, the abrasive belt is convenient to replace, and the accuracy of experiments can be further increased by replacing the worn abrasive belt.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall front face of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the protective housing of the present utility model;

FIG. 3 is a schematic diagram of a driving assembly according to the present utility model;

fig. 4 is a schematic structural view of the pressure regulating mechanism of the present utility model.

The labels in the figures are illustrated below:

1. a device body; 2. a lifting frame; 3. a cylindrical rubber article; 4. a motor; 5. a pressure load-bearing sensor; 6. a pressing plate; 7. a first turntable; 8. a first threaded rod; 9. abrasive belt; 10. a second turntable; 11. a driving pulley; 12. a driven pulley; 13. a support plate; 14. a first bevel gear; 15. a second bevel gear; 16. a T-shaped slider; 17. t-shaped sliding grooves; 18. a spring; 19. a guide sleeve; 20. a guide rod; 21. a limiting block; 22. a sample holder; 23. a limit groove; 24. a second threaded rod; 25. a protective housing.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

Referring to fig. 1-2, a rubber abrasion test device comprises a device main body 1 and a cylindrical rubber product 3, wherein a sample clamp 22 is arranged on the front surface of the device main body 1, a pressure adjusting mechanism is arranged above the sample clamp 22, the pressure adjusting mechanism is used for adjusting the pressure applied to the cylindrical rubber product 3 in abrasion test, so that the abrasion loss of the cylindrical rubber product 3 when bearing different weights can be simulated, the cylindrical rubber product 3 can be driven to move up and down, the cylindrical rubber product 3 is convenient to replace, the cylindrical rubber product 3 is arranged on the front surface of the sample clamp 22, and particularly, the cylindrical rubber product 3 is fixed on the sample clamp 22 through bolts, and the friction force between the cylindrical rubber product 3 and the sample clamp 22 is adjusted through the tightness of the adjusting bolts so as to adjust the friction force between the cylindrical rubber product 3 and an abrasive belt 9;

the abrasive belt 9 is arranged on the front surface of the device main body 1 and below the cylindrical rubber product 3, the supporting plate 13 is connected to the front surface of the device main body 1 and is used for supporting the abrasive belt 9, the supporting plate 13 is positioned in the abrasive belt 9, the upper surface of the supporting plate 13 is attached to the inner wall of the abrasive belt 9, specifically, when the device is used, the cylindrical rubber product 3 is driven to move downwards through the pressure adjusting mechanism, so that the cylindrical rubber product 3 is contacted with the outer wall of the abrasive belt 9, under the supporting effect of the supporting plate 13, the abrasive belt 9 cannot be obviously bent when being subjected to the pressure of the cylindrical rubber product 3, friction is generated between the cylindrical rubber product 3 and the flat surface, the abrasion condition of a rubber tire or a rubber sole is simulated when the abrasive belt is contacted with a road surface, and the accuracy of experimental data is improved;

the device comprises a device main body 1, a driving belt pulley 11 and a driven belt pulley 12 are rotatably connected to two sides of the front surface of the device main body 1, an abrasive belt 9 is sleeved on the surfaces of the driving belt pulley 11 and the driven belt pulley 12, a motor 4 is connected to the back surface of the device main body 1, the output end of the motor 4 penetrates through the device main body 1 and is connected with the driven belt pulley 12, a driving assembly capable of driving the driving belt pulley 11 to move left and right is arranged between the driving belt pulley 11 and the driven belt pulley 12, and specifically, the motor 4 rotates to drive the driven belt pulley 12 to rotate and drive the abrasive belt 9 to rotate under the action of the driving belt pulley 11.

Referring to fig. 3, the driving assembly includes a limit groove 23 provided on one side of the device body 1 far away from the driven pulley 12, a second threaded rod 24 is rotatably connected in the limit groove 23, the second threaded rod 24 penetrates through the device body 1 to be connected with the second turntable 10 on one side far away from the driven pulley 12, a limit block 21 is slidably connected in the limit groove 23, the limit block 21 slides in the limit groove 23 and is used for limiting and guiding the limit groove 23, the limit block 21 is in threaded connection with the second threaded rod 24, the driving pulley 11 is rotatably connected on one side of the limit block 21, specifically, the second threaded rod 10 is rotated to drive the second turntable 10 to rotate to drive the limit block 21 and the driving pulley 11 to rotate towards the direction close to the driven pulley 12, so that the distance between the driving pulley 11 and the driven pulley 12 is reduced, the abrasive belt 9 is convenient to replace, and the accuracy of the experiment can be further increased by replacing the worn abrasive belt 9.

Example 2

Further optimization of a rubber abrasion test apparatus provided in example 1, in particular, as shown in figure 4,

the pressure regulating mechanism comprises a pressing plate 6 arranged on the front surface of the device main body 1, a lifting frame 2 is arranged below the pressing plate 6, a sample clamp 22 is connected to the bottom of the lifting frame 2, specifically, the pressing plate 6 applies pressure to the sample clamp 22 by applying pressure to the lifting frame 2, and applies pressure to the cylindrical rubber product 3 by the sample clamp 22;

the front side of the device main body 1 is symmetrically provided with T-shaped sliding grooves 17, one end of the pressing plate 6, which is close to the device main body 1, is symmetrically connected with T-shaped sliding blocks 16, and is slidably connected inside the T-shaped sliding grooves 17 through the T-shaped sliding blocks 16 for limiting and guiding the pressing plate 6;

the top of the front surface of the device main body 1 is fixedly connected with a protective shell 25, a first bevel gear 14 and a second bevel gear 15 are rotatably connected in the protective shell 25, the first bevel gear 14 is meshed with the second bevel gear 15, one side of the first bevel gear 14 penetrates through the front surface of the protective shell 25 and is connected with a first rotating disc 7, the bottom of the second bevel gear 15 penetrates through the bottom of the protective shell 25 and is connected with a first threaded rod 8, the first threaded rod 8 penetrates through a pressing plate 6 and is in threaded connection with the pressing plate 6, specifically, the first rotating disc 7 is rotated to drive the first bevel gear 14 to rotate to drive the second bevel gear 15 to rotate, the second bevel gear 15 drives the first threaded rod 8 to rotate, and the pressing plate 6 is driven to move up and down through the rotation of the first threaded rod 8;

four corners of the upper surface of the lifting frame 2 are uniformly distributed and connected with guide sleeves 19, the guide sleeves 19 penetrate through the lifting frame 2, four corners of the lower surface of the pressing plate 6 are uniformly distributed and connected with guide rods 20, and the guide rods 20 are slidably connected in the guide sleeves 19 for limiting and guiding the lifting frame 2;

the middle position of the upper surface of the lifting frame 2 is connected with a pressure bearing sensor 5, a spring 18 is arranged between a pressure receiving end above the pressure bearing sensor 5 and the lower surface of the pressing plate 6, one end of the spring 18 is connected with the lower surface of the pressing plate 6, one end of the spring 18, which is far away from the pressing plate 6, is connected with the pressure receiving end above the pressure bearing sensor 5, specifically, when the pressing plate 6 moves downwards, pressure is applied to the pressure bearing sensor 5 through the spring 18, and pressure is applied to the cylindrical rubber product 3 through the lifting frame 2 and the sample clamp 22, when the pressure bearing sensor 5 bears the pressure from the spring 18, a pressure signal is transmitted to a display instrument through electric connection with an external display instrument, and pressure data between the cylindrical rubber product 3 and the abrasive belt 9 are displayed through the display instrument.

The use process of the rubber abrasion test device provided by the utility model is as follows:

technical principle: when the device is used, the first rotary table 7 is rotated to drive the first bevel gear 14 to rotate, the second bevel gear 15 is driven to rotate, the second bevel gear 15 drives the first threaded rod 8 to rotate, the pressing plate 6 is driven to move downwards through the rotation of the first threaded rod 8, the cylindrical rubber product 3 is driven to move downwards, the cylindrical rubber product 3 is enabled to be in contact with the outer wall of the abrasive belt 9, under the supporting effect of the supporting plate 13, the abrasive belt 9 cannot be obviously bent when being subjected to the pressure of the cylindrical rubber product 3, friction is generated between the cylindrical rubber product 3 and a straight surface, rubber tires or rubber soles are simulated, and the abrasion condition when the abrasive belt is in contact with a road surface is beneficial to improving the accuracy of experimental data;

when the pressing plate 6 moves downwards, the pressure bearing sensor 5 is applied with pressure through the spring 18, the cylindrical rubber product 3 is applied with pressure through the lifting frame 2 and the sample clamp 22, when the pressure bearing sensor 5 bears the pressure from the spring 18, a pressure signal is transmitted to the display instrument through being electrically connected with an external display instrument, the display instrument displays pressure data between the cylindrical rubber product 3 and the abrasive belt 9, and the abrasion amount of the cylindrical rubber product 3 when bearing different weights can be simulated;

when the abrasive belt 9 is replaced, the second rotary disc 10 is rotated to drive the second threaded rod 24 to rotate, and the limiting block 21 and the driving pulley 11 are driven to rotate towards the direction close to the driven pulley 12, so that the distance between the driving pulley 11 and the driven pulley 12 is reduced, and the abrasive belt 9 is convenient to replace.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The rubber abrasion test device is characterized by comprising a device main body (1) and a cylindrical rubber product (3), wherein a sample clamp (22) is arranged on the front surface of the device main body (1), a pressure adjusting mechanism is arranged above the sample clamp (22), and the cylindrical rubber product (3) is arranged on the front surface of the sample clamp (22);

the device is characterized in that an abrasive belt (9) is arranged on the front side of the device body (1) and below the cylindrical rubber product (3), the front side of the device body (1) is connected with a supporting plate (13), the supporting plate (13) is located in the abrasive belt (9), and the upper surface of the supporting plate (13) is attached to the inner wall of the abrasive belt (9).

2. The rubber abrasion test device according to claim 1, wherein a driving pulley (11) and a driven pulley (12) are rotatably connected to two sides of the front face of the device main body (1), the abrasive belt (9) is sleeved on the surfaces of the driving pulley (11) and the driven pulley (12), the back face of the device main body (1) is connected with a motor (4), the output end of the motor (4) penetrates through the device main body (1) and is connected with the driven pulley (12), and a driving assembly capable of driving the driving pulley (11) to move left and right is arranged between the driving pulley (11) and the driven pulley (12).

3. The rubber abrasion test device according to claim 2, wherein the driving assembly comprises a limit groove (23) formed in one side, far away from the driven pulley (12), of the device main body (1), a second threaded rod (24) is rotatably connected in the limit groove (23), a second rotary table (10) is connected in one side, far away from the driven pulley (12), of the device main body (1) through the second threaded rod (24), a limit block (21) is slidably connected in the limit groove (23), the limit block (21) is in threaded connection with the second threaded rod (24), and the driving pulley (11) is rotatably connected to one side of the limit block (21).

4. The rubber abrasion test device according to claim 1, wherein the pressure adjusting mechanism comprises a pressing plate (6) arranged on the front face of the device main body (1), a lifting frame (2) is arranged below the pressing plate (6), and the sample clamp (22) is connected to the bottom of the lifting frame (2).

5. The rubber abrasion test device according to claim 4, wherein the front side of the device main body (1) is symmetrically provided with a T-shaped chute (17), one end of the pressing plate (6) close to the device main body (1) is symmetrically connected with a T-shaped sliding block (16), and the T-shaped sliding block (16) is slidably connected in the T-shaped chute (17).

6. The rubber abrasion test device according to claim 5, wherein the top of the front face of the device body (1) is fixedly connected with a protective shell (25), a first bevel gear (14) and a second bevel gear (15) are rotatably connected in the protective shell (25), the first bevel gear (14) and the second bevel gear (15) are meshed, one side of the first bevel gear (14) penetrates through the front face of the protective shell (25) to be connected with a first rotating disc (7), the bottom of the second bevel gear (15) penetrates through the bottom of the protective shell (25) to be connected with a first threaded rod (8), and the first threaded rod (8) penetrates through the pressing plate (6) and is in threaded connection with the pressing plate (6).

7. The rubber abrasion test device according to claim 6, wherein guide sleeves (19) are uniformly distributed at four corners of the upper surface of the lifting frame (2), the guide sleeves (19) penetrate through the lifting frame (2), guide rods (20) are uniformly distributed at four corners of the lower surface of the pressing plate (6), and the guide rods (20) are slidably connected in the guide sleeves (19).

8. The rubber abrasion test device according to claim 7, wherein a pressure bearing sensor (5) is connected to a position in the middle of the upper surface of the lifting frame (2), a spring (18) is installed between a pressure receiving end above the pressure bearing sensor (5) and the lower surface of the pressing plate (6), one end of the spring (18) is connected with the lower surface of the pressing plate (6), and one end of the spring (18) away from the pressing plate (6) is connected with the pressure receiving end above the pressure bearing sensor (5).