Rubber abrasion machine with temperature testing unit

Abstract

The utility model relates to the technical field of rubber abrasion, and provides a rubber abrasion machine with a temperature testing unit, which comprises an abrasion machine main body and an infrared thermometer, the abrasion machine main body comprises a driving system and a driven system, the driving system comprises an adjustable-speed motor, and the driven system comprises a transmission shaft and a lifting portal frame. The transmission shaft is rotatably mounted on the supporting base through a transmission shaft base, one end of the transmission shaft is connected with an output shaft of the speed regulating motor, the other end of the transmission shaft is coaxially fixed with a friction wheel, and the lifting portal frame is mounted on the supporting base in a liftable manner and is provided with a sample clamping block; the infrared thermometer is installed on the transmission shaft base through the angle adjusting mechanism, and the detection end of the infrared thermometer is located on the side, close to the friction wheel, of the angle adjusting mechanism. According to the utility model, the infrared thermometer which can be fixed on the transmission shaft fixing frame is arranged, so that the uniform positioning of temperature test points in the continuous real-time temperature measurement process is ensured, and the accuracy of rubber abrasion temperature test data results is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber abrasion, and particularly relates to a rubber abrasion machine with a temperature testing unit. Background Technique

[0002] With the continuous progress of technology and the rapid development of the rubber industry, rubber abrasion research has become one of the hotspots in current tribology research. Rubber abrasion refers to the phenomenon that the surface of rubber materials gradually wears when they come into contact with other materials or media and relative movement occurs. The quality of rubber abrasion performance directly affects the service performance and life of products. For example, in the tire industry, the wear resistance of tires directly determines their driving mileage and service life, which has important implications for traffic safety and economic benefits. Therefore, improving the wear resistance of rubber and reducing the abrasion amount are important issues in the research and production of rubber products.

[0003] However, due to the uneven distribution of heat generated by friction and the rapid temperature change, if the temperature measurement position is selected improperly, it may not accurately reflect the true temperature condition of the rubber material during the abrasion process, thus affecting the accuracy of the temperature measurement result; at the same time, during the working process of the rubber abrasion machine, factors such as the laboratory environment and air flow disturbance will seriously affect the test results; in addition, rubber chips will be generated when the rubber is abraded. If the rubber chips are not cleaned in time, they will accumulate, pollute the environment, and affect the subsequent work of the abrasion machine. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a rubber abrasion machine with a temperature testing unit, which solves problems such as temperature stability, positioning deviation of temperature measurement points, and measurement of multiple temperature points during the rubber abrasion temperature test.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions:

[0006] A rubber abrasion machine with a temperature testing unit includes an abrasion machine main body and an infrared thermometer. The abrasion machine main body includes a driving system and a driven system. The driving system includes a speed regulating motor. The driven system includes a transmission shaft and a lifting gantry. The transmission shaft is rotatably installed on a support base through a transmission shaft base. One end of the transmission shaft is connected to the output shaft of the speed regulating motor, and the other end of the transmission shaft is coaxially fixed with a friction wheel. The lifting gantry is installed on the support base in a liftable manner, and a specimen clamping block is installed on the lifting gantry. The specimen clamping block is located above the friction wheel;

[0007] The infrared thermometer is installed on the transmission shaft base through an angle adjusting mechanism, and the detection end of the infrared thermometer is located on the side of the angle adjusting mechanism close to the friction wheel.

[0008] Preferably, the angle adjustment mechanism includes a lifting mechanism. An adjustment substrate is fixed on the transmission shaft base. The lifting mechanism is installed on the adjustment substrate in a liftable manner, and an angle adjustment device is fixed on the lifting mechanism.

[0009] The angle adjustment device includes a housing, a rotating shaft, an upper clamping block, and a lower clamping block. One side of the housing is fixedly connected to the lifting mechanism. The rotating shaft is rotatably installed in the housing, and one end of the rotating shaft extends out of the housing. The lower clamping block is fixed in the housing and is located below the rotating shaft. Sliders are provided on both sides of the upper clamping block. Two sliding grooves are provided in the housing, and the two sliding grooves are symmetrically arranged on both sides in the radial direction of the rotating shaft. The two sliders are respectively slidably arranged in the two sliding grooves. The upper clamping block is located above the rotating shaft, and a first screw rod is fixed on the top of the upper clamping block. A first knob is rotatably installed on the top of the housing, and a threaded cylinder is fixed at the bottom end of the first knob. The first screw rod is threadedly arranged in the threaded cylinder. The end of the rotating shaft located outside the housing is fixedly connected to the infrared thermometer.

[0010] Preferably, the lifting mechanism includes a first clamping plate and a second clamping plate. Two sliding rods are fixed on the first clamping plate, and the two sliding rods are symmetrically distributed and are respectively located at the top and bottom on one side of the first clamping plate. A through hole is provided at the middle position of the first clamping plate. Slide holes corresponding to the positions and numbers of the sliding rods are provided on the second clamping plate. The sliding rods are slidably arranged in the slide holes. A stop piece is fixed at the end of the sliding rod away from the first clamping plate. A second screw rod is fixed at the middle position of the second clamping plate. A rotating cylinder is rotatably installed on the side of the first clamping plate away from the sliding rod. Internal threads matching the second screw rod are provided on the inner wall of the rotating cylinder. The end of the second screw rod away from the second clamping plate passes through the through hole and is threadedly arranged in the rotating cylinder.

[0011] A spring is sleeved on the outer wall of the sliding rod. The spring is located between the first clamping plate and the second clamping plate. One end of the spring is fixedly connected to the first clamping plate, and the other end of the spring is fixedly connected to the second clamping plate.

[0012] Lifting chutes are provided on the adjustment substrate. The adjustment substrate is located between the first clamping plate and the second clamping plate. The second screw rod, the sliding rods, and the spring are located in the lifting chutes. When the spring is in a natural state, the distance between the first clamping plate and the second clamping plate is smaller than the thickness of the adjustment substrate.

[0013] Preferably, a second knob is fixed at the end of the rotating cylinder away from the first clamping plate.

[0014] Preferably, an arc-shaped placement opening is provided at the top of the lower clamping block. The bottom of the rotating shaft is located in the arc-shaped placement opening, and the outer wall of the rotating shaft is in sliding contact with the inner wall of the arc-shaped placement opening. An arc-shaped clamping opening is provided at the bottom of the upper clamping block, and anti-slip lines are provided on the inner wall of the arc-shaped clamping opening.

[0015] Preferably, a dust storage box is fixed on the transmission shaft base. The dust storage box is located below the friction wheel and has an opening at the top.

[0016] Preferably, a wind protection cover is installed on the support base. The lifting gantry, friction wheel, infrared thermometer, and specimen clamping block are located in the wind protection cover.

[0017] Preferably, a laser displacement sensor is fixed on the lifting gantry, and a force sensor is provided on the specimen clamping block.

[0018] Preferably, the output shaft of the speed control motor is connected to the transmission shaft through a speed controller, and a torque sensor is connected to the rotating shaft of the speed controller.

[0019] The utility model has the following beneficial effects:

[0020] (1) The utility model is provided with an infrared thermometer which can be fixed on the transmission shaft base, avoiding accidental contact with the temperature thermometer when loading and unloading samples, and at the same time ensuring the unified positioning of the temperature measurement points during continuous real-time temperature measurement, greatly improving the accuracy of the rubber wear temperature test data results.

[0021] (2) The infrared thermometer of the utility model can be adjusted in angle on the transmission shaft base. Through angle adjustment, the infrared thermometer can be selected to align with the friction wheel or the rubber sample according to different test requirements, and the temperature of the friction wheel and the rubber sample can be measured respectively, capable of collecting temperature data of different targets, and realizing the comprehensive research on the temperature changes of each part in the wear experiment.

[0022] (3) The utility model is provided with a wind protection cover. During the operation of the equipment, the wind protection cover can avoid the airflow fluctuations caused by the laboratory environment, air flow, and personnel movement, thus avoiding the influence of airflow fluctuations on the stability of the temperature test results.

[0023] (4) The utility model is provided with a dust storage box which can receive and store the rubber chips generated during the wear process, eliminating the need for frequent cleaning of the wear machine, saving manpower, and also avoiding the accumulation of rubber chips on the wear machine, ensuring a clean environment. Description of the Drawings

[0024] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 is a three-dimensional structure schematic diagram of the main body of the wear machine of the utility model without the wind protection cover;

[0026] Figure 3 is Figure 2 the enlarged schematic diagram of the structure at A in

[0027] Figure 4 Schematic diagram of the side structure of the main body of the wear machine of the present utility model;

[0028] Figure 5 Schematic three-dimensional structure diagram of the lifting mechanism of the present utility model;

[0029] Figure 6 Cross-sectional view of the lifting mechanism of the present utility model;

[0030] Figure 7 Schematic three-dimensional structure diagram of the upper clamping block and the lower clamping block of the present utility model clamping the rotating shaft;

[0031] Figure 8 Schematic diagram of the internal structure of the angle adjustment device of the present utility model.

[0032] In the figure: 1, support base; 2, speed control motor; 3, speed controller; 4, connecting plate; 5, transmission shaft; 6, friction wheel; 7, specimen clamping block; 8, lifting gantry; 9, force sensor; 10, laser displacement sensor; 101, laser receiving device; 11, wind protection cover; 12, infrared thermometer; 13, transmission shaft base; 14, lifting mechanism; 141, first clamping plate; 142, second clamping plate; 143, sliding rod; 144, stop piece; 145, second screw; 146, rotating cylinder; 147, spring; 148, second knob; 15, adjustment substrate; 151, lifting chute; 16, angle adjustment device; 161, housing; 162, rotating shaft; 163, upper clamping block; 164, lower clamping block; 165, first knob; 166, first screw; 167, slider; 17, clamp; 18, dust storage box; 19, support frame; 20, push rod. Detailed implementation manners

[0033] In order to make the present utility model clearer and more understandable, the technical solutions of the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the given embodiments are only one of the implementation manners and do not represent all embodiments.

[0034] In this article, terms such as "inside, outside, upper, lower" are established based on the positional relationship shown in the drawings. Depending on the different drawings, the corresponding positional relationship may also change accordingly. Therefore, it cannot be understood as an absolute limitation of the protection scope.

[0035] Combined with the attached Figure 1 - attached Figure 8, A rubber abrasion machine with a temperature testing unit, comprising an abrasion machine main body and an infrared thermometer 12. The abrasion machine main body includes a driving system and a driven system. The driving system includes a speed regulating motor 2. The driven system includes a transmission shaft 5 and a lifting gantry 8. The transmission shaft 5 is rotatably installed on a support base 1 through a transmission shaft base 13. One end of the transmission shaft 5 is connected to the output shaft of the speed regulating motor 2, and the other end of the transmission shaft 5 is coaxially fixed with a friction wheel 6. The lifting gantry 8 is installed on the support base 1 in a liftable manner, and a specimen clamping block 7 is installed on the lifting gantry 8. The specimen clamping block 7 is located above the friction wheel 6. During the test, the rubber sample is clamped and fixed by the specimen clamping block 7. The transmission shaft 5 is driven to rotate by the speed regulating motor 2. The transmission shaft 5 drives the friction wheel 6 to rotate, and the rubber sample is abraded by the friction wheel 6 to conduct an abrasion test.

[0036] The infrared thermometer 12 is installed on the transmission shaft base 13 through an angle adjustment mechanism. The detection end of the infrared thermometer 12 is located on the side of the angle adjustment mechanism close to the friction wheel 6. Specifically, there are two transmission shaft bases 13, and the two transmission shaft bases 13 are respectively installed at both ends of the transmission shaft 5. The infrared thermometer 12 and the angle adjustment mechanism are installed on the transmission shaft base 13 close to the end of the transmission shaft 5 connected with the friction wheel 6.

[0037] Specifically, a support frame 19 is fixed at the bottom of the support base 1. Universal wheels are provided at the bottom end of the support frame 19. A notch for the lifting gantry 8 to move is provided on the support base 1. The bottom of the lifting gantry 8 extends below the support base 1 through the notch, and the part of the lifting gantry 8 below the support base 1 is slidably connected to the support frame 19 through a slide rail. A push rod 20 is fixed on the support frame 19, and the telescopic end of the push rod 20 is fixedly connected to the lifting gantry 8. The lifting gantry 8 is lifted and lowered by pushing the lifting gantry 8 with the push rod 20. More specifically, the push rod 20 can be an electric push rod 20 or a hydraulic push rod 20.

[0038] Specifically, the angle adjustment mechanism includes a lifting mechanism 14. An adjustment substrate 15 is fixed on the transmission shaft base 13. The lifting mechanism 14 is installed on the adjustment substrate 15 in a liftable manner, and an angle adjustment device 16 is fixed on the lifting mechanism 14.

[0039] The angle adjustment device 16 includes a housing 161, a rotating shaft 162, an upper clamping block 163 and a lower clamping block 164. One side of the housing 161 is fixedly connected to the lifting mechanism 14 through a connecting plate 4. The rotating shaft 162 is rotatably installed in the housing 161, and one end of the rotating shaft 162 extends out of the housing 161. The lower clamping block 164 is fixed in the housing 161 and is located below the rotating shaft 162. Sliders 167 are provided on both sides of the upper clamping block 163. Two sliding grooves are provided in the housing 161, and the two sliding grooves are symmetrically arranged on both sides in the radial direction of the rotating shaft 162. The two sliders 167 are respectively slidably arranged in the two sliding grooves. The upper clamping block 163 is located above the rotating shaft 162, and a first screw rod 166 is fixed to the top of the upper clamping block 163. A first knob 165 is rotatably installed at the top of the housing 161. A threaded cylinder is fixed to the bottom end of the first knob 165. The first screw rod 166 is threadedly arranged in the threaded cylinder. The end of the rotating shaft 162 located outside the housing 161 is fixedly connected to the infrared thermometer 12 through a clamp 17. When the angle of the infrared thermometer 12 needs to be adjusted, rotate the first knob 165. The first knob 165 drives the threaded cylinder to rotate. Since the upper clamping block 163 is limited by the sliding groove and cannot rotate, the first screw rod 166 fixedly connected to the upper clamping block 163 cannot rotate either. Therefore, when the threaded cylinder rotates, the first screw rod 166 can move along the threaded cylinder, thereby driving the upper clamping block 163 to move up and down. Rotate the first knob 165 to move the upper clamping block 163 upward. The upper clamping block 163 releases the rotating shaft 162, and the rotating shaft 162 can rotate. At this time, the tester can rotate the infrared thermometer 12. When the infrared thermometer 12 is rotated to the required position, rotate the first knob 165 in the opposite direction to move the upper clamping block 163 downward until the upper clamping block 163 clamps the rotating shaft 162 with the lower clamping block 164. At this time, the rotating shaft 162 cannot rotate, and the infrared thermometer 12 is fixed.

[0040] Specifically, the lifting mechanism 14 includes a first clamping plate 141 and a second clamping plate 142. Two sliding rods 143 are fixed to the first clamping plate 141. The two sliding rods 143 are symmetrically distributed, and the two sliding rods 143 are respectively located at the top and bottom of one side of the first clamping plate 141. A through hole is provided at the middle position of the first clamping plate 141. The second clamping plate 142 is provided with sliding holes corresponding to the positions and numbers of the sliding rods 143. The sliding rods 143 are slidably arranged in the sliding holes. A stop piece 144 is fixed to the end of the sliding rod 143 away from the first clamping plate 141. A second screw rod 145 is fixed to the middle position of the second clamping plate 142. A rotating cylinder 146 is rotatably installed on the side of the first clamping plate 141 away from the sliding rod 143. The inner wall of the rotating cylinder 146 is provided with an internal thread matching the second screw rod 145. The end of the second screw rod 145 away from the second clamping plate 142 passes through the through hole and is threadedly arranged in the rotating cylinder 146;

[0041] A spring 147 is sleeved on the outer wall of the sliding rod 143. The spring 147 is located between the first clamping plate 141 and the second clamping plate 142. One end of the spring 147 is fixedly connected to the first clamping plate 141, and the other end of the spring 147 is fixedly connected to the second clamping plate 142;

[0042] A lifting sliding groove 151 is provided on the adjusting substrate 15. The adjusting substrate 15 is located between the first clamping plate 141 and the second clamping plate 142. The second screw rod 145, the sliding rod 143 and the spring 147 are located in the lifting sliding groove 151. When the spring 147 is in a natural state, the distance between the first clamping plate 141 and the second clamping plate 142 is smaller than the thickness of the adjusting substrate 15. Specifically, a second knob 148 is fixed to the end of the rotating cylinder 146 away from the first clamping plate 141. When lifting is required, the second knob 148 is rotated. The second knob 148 drives the rotating cylinder 146 to rotate. Under the action of screw connection, the second screw rod 145 will move along the axial direction of the rotating cylinder 146. Rotate the second knob 148 until the second screw rod 145 disengages from the rotating cylinder 146. At this time, the second clamping plate 142 and the first clamping plate 141 are clamped and fixed on the adjusting substrate 15 only by the elastic force of the spring 147. Pull the first clamping plate 141 to separate the first clamping plate 141 and the second clamping plate 142 by a certain distance, and then push the first clamping plate 141 up or down. The first clamping plate 141 will drive the second clamping plate 142 to move simultaneously, so as to realize lifting adjustment. After moving the clamping plate to the required position, then turn the second knob 148 to screw the second screw rod 145 into the rotating cylinder 146 again, and strengthen the clamping and fixing effect of the first clamping plate 141 and the second clamping plate 142 through the screw connection between the second screw rod 145 and the rotating cylinder 146. More specifically, the second screw rod 145 is provided with an external thread only at one end away from the first clamping plate 141. The internal thread inside the rotating cylinder 146 is provided at the end of the rotating cylinder 146 away from the first clamping plate 141. The end of the rotating cylinder 146 close to the first clamping plate 141 has a smooth inner wall.

[0043] The friction wheel 6 and the rubber sample are distributed up and down. When the detection end of the infrared thermometer 12 needs to be aligned with the friction wheel 6 and the rubber sample respectively, it is impossible to achieve only by rotating the infrared thermometer 12. It is necessary to move the infrared thermometer 12 up or down by a certain distance and then rotate it. For example, when the temperature at the friction wheel 6 needs to be detected, it is necessary to move the infrared thermometer 12 up through the lifting mechanism 14, and then rotate the infrared thermometer 12 through the angle adjustment device 16 to make the detection end of the infrared thermometer 12 align with the friction wheel 6.

[0044] The infrared thermometer 12 can adjust the angle. It can not only measure the temperature change of the friction pair in the experiment, but also monitor the temperature change of the rubber experimental sample, so as to comprehensively study the temperature change of each part in the wear experiment. At the same time, when detecting, the infrared thermometer 12 can be fixed on the transmission shaft base 13, ensuring the unified positioning of the temperature measurement point during the continuous real-time temperature measurement process and improving the accuracy of the temperature measurement data in the experiment.

[0045] Specifically, an arc-shaped placement opening is provided at the top of the lower clamping block 164. The bottom of the rotating shaft 162 is located in the arc-shaped placement opening, and the outer wall of the rotating shaft 162 is in sliding contact with the inner wall of the arc-shaped placement opening. An arc-shaped clamping opening is provided at the bottom of the upper clamping block 163, and anti-slip lines are provided on the inner wall of the arc-shaped clamping opening. The anti-slip lines can enhance the friction between the rotating shaft 162 and the upper clamping block 163 and improve the fixing effect.

[0046] Specifically, a dust storage box 18 is fixed on the transmission shaft base 13. The dust storage box 18 is located below the friction wheel 6, and the top of the dust storage box 18 is open. During the wear test, the rubber sample is worn by the friction wheel 6 above the friction wheel 6, and the rubber chips generated by the wear will splash obliquely downward along the rotation direction of the friction wheel 6. The dust storage box 18 can catch the rubber chips generated by the wear, avoid the accumulation of rubber chips on the wear tester, and ensure a clean environment.

[0047] Specifically, a wind protection cover 11 is installed on the support base 1. The lifting gantry 8, the friction wheel 6, the infrared thermometer 12, and the specimen clamping block 7 are located in the wind protection cover 11. The wind protection cover 11 can not only avoid the interference of air flow in the laboratory environment on the infrared thermometer 12, but also protect the infrared thermometer 12 from the influence of the air flow fluctuations caused by the movement of surrounding personnel during the test.

[0048] Specifically, a laser displacement sensor 10 is fixed on the lifting gantry 8. The laser displacement sensor 10 is used to detect the lifting height of the lifting gantry 8. A force sensor 9 is provided on the specimen clamping block 7. The force sensor 9 is used to detect the pressure exerted by the friction wheel 6 on the rubber sample. More specifically, a laser receiving device 101 is fixed on the support base 1. The laser receiving device 101 includes a receiving plate. The laser emitted by the laser displacement sensor 10 can be irradiated on the receiving plate, and the receiving plate cooperates with the laser displacement sensor 10 for displacement detection.

[0049] Specifically, the output shaft of the speed control motor 2 is connected to the transmission shaft 5 through a speed controller 3. The speed controller 3 can control the speed output by the speed control motor 2, so as to control the rotation speed of the transmission shaft 5. A torque sensor is connected to the rotating shaft 162 of the speed controller 3.

[0050] Although embodiments of the present utility model have been shown and described, various changes, modifications, substitutions, and variations can be made to these embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rubber abrasion machine equipped with a temperature testing unit, characterized in that: It includes a wear testing machine main body and an infrared thermometer (12). The wear testing machine main body includes a driving system and a driven system. The driving system includes a speed regulating motor (2). The driven system includes a transmission shaft (5) and a lifting gantry (8). The transmission shaft (5) is rotatably installed on a support base (1) through a transmission shaft base (13). One end of the transmission shaft (5) is connected to the output shaft of the speed regulating motor (2). A friction wheel (6) is coaxially fixed to the other end of the transmission shaft (5). The lifting gantry (8) is installed on the support base (1) in a liftable manner. A specimen clamping block (7) is installed on the lifting gantry (8). The specimen clamping block (7) is located above the friction wheel (6). The infrared thermometer (12) is installed on the transmission shaft base (13) through an angle adjusting mechanism. The detection end of the infrared thermometer (12) is located on the side of the angle adjusting mechanism close to the friction wheel (6).

2. The rubber abrasion machine with a temperature testing unit according to claim 1, wherein: The angle adjusting mechanism includes a lifting mechanism (14). An adjusting substrate (15) is fixed on the transmission shaft base (13). The lifting mechanism (14) is installed on the adjusting substrate (15) in a liftable manner. An angle adjusting device (16) is fixed on the lifting mechanism (14). The angle adjusting device (16) includes a housing (161), a rotating shaft (162), an upper clamping block (163) and a lower clamping block (164). One side of the housing (161) is fixedly connected to the lifting mechanism (14). The rotating shaft (162) is rotatably installed in the housing (161). One end of the rotating shaft (162) extends out of the housing (161). The lower clamping block (164) is fixed in the housing (161) and is located below the rotating shaft (162). Sliders (167) are provided on both sides of the upper clamping block (163). Two sliding grooves are provided in the housing (161). The two sliding grooves are symmetrically arranged on both sides in the radial direction of the rotating shaft (162). The two sliders (167) are respectively slidably arranged in the two sliding grooves. The upper clamping block (163) is located above the rotating shaft (162). A first screw rod (166) is fixed to the top of the upper clamping block (163). A first knob (165) is rotatably installed on the top of the housing (161). A threaded cylinder is fixed to the bottom end of the first knob (165). The first screw rod (166) is threadedly arranged in the threaded cylinder. The end of the rotating shaft (162) located outside the housing (161) is fixedly connected to the infrared thermometer (12).

3. The rubber abrasion machine with a temperature testing unit according to claim 2, characterized in that: The lifting mechanism (14) includes a first clamping plate and a second clamping plate. Two sliding rods (143) are fixed on the first clamping plate. The two sliding rods (143) are symmetrically distributed and are respectively located at the top and bottom of one side of the first clamping plate. A through hole is provided at the middle position of the first clamping plate. The second clamping plate is provided with sliding holes corresponding to the positions and numbers of the sliding rods (143). The sliding rods (143) are slidably arranged in the sliding holes. A stop piece (144) is fixed at the end of the sliding rod (143) far from the first clamping plate. A second screw rod (145) is fixed at the middle position of the second clamping plate. A rotating cylinder (146) is rotatably installed on the side of the first clamping plate far from the sliding rod (143). The inner wall of the rotating cylinder (146) is provided with an internal thread matching the second screw rod (145). One end of the second screw rod (145) far from the second clamping plate passes through the through hole and is threadedly arranged in the rotating cylinder (146); A spring (147) is sleeved on the outer wall of the sliding rod (143). The spring (147) is located between the first clamping plate and the second clamping plate. One end of the spring (147) is fixedly connected to the first clamping plate, and the other end of the spring (147) is fixedly connected to the second clamping plate; The adjusting base plate (15) is provided with a lifting sliding groove (151). The adjusting base plate (15) is located between the first clamping plate and the second clamping plate. The second screw rod (145), the sliding rod (143) and the spring (147) are located in the lifting sliding groove (151). When the spring (147) is in a natural state, the distance between the first clamping plate and the second clamping plate is less than the thickness of the adjusting base plate (15).

4. The rubber abrasion machine with a temperature testing unit according to claim 3, characterized in that: A second knob (148) is fixed at the end of the rotating cylinder (146) far from the first clamping plate.

5. The rubber abrasion machine with a temperature testing unit according to claim 2, characterized in that: An arc-shaped placement opening is provided at the top of the lower clamping block (164). The bottom of the rotating shaft (162) is located in the arc-shaped placement opening. The outer wall of the rotating shaft (162) is in sliding contact with the inner wall of the arc-shaped placement opening. An arc-shaped clamping opening is provided at the bottom of the upper clamping block (163). Anti-slip lines are provided on the inner wall of the arc-shaped clamping opening.

6. The rubber abrasion machine with a temperature testing unit according to claim 1, characterized in that: A dust storage box (18) is fixed on the transmission shaft base (13). The dust storage box (18) is located below the friction wheel (6). The top of the dust storage box (18) is open.

7. The rubber abrasion machine with a temperature testing unit according to claim 1, characterized in that: A wind protection cover (11) is installed on the support base (1). The lifting gantry (8), the friction wheel (6), the infrared thermometer (12) and the specimen clamping block (7) are located in the wind protection cover (11).

8. The rubber abrasion machine with a temperature test unit according to claim 1, characterized in that: A laser displacement sensor (10) is fixed on the lifting gantry (8). A force sensor (9) is provided on the specimen clamping block (7).

9. The rubber abrasion machine with a temperature testing unit according to claim 1, characterized in that: The output shaft of the speed regulating motor (2) is connected to the transmission shaft (5) through a speed controller (3). A torque sensor is connected to the rotating shaft of the speed controller (3).

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