Cutting performance testing device for disc blade

Abstract

The invention relates to a disc blade cutting performance testing device which comprises a testing box, a motor is fixed to the left side of the testing box and close to the center of the testing box, one end of an output shaft of the motor horizontally extends into the testing box, and a loop bar is fixed to the outer side of the output shaft of the motor; a replacement mechanism used for replacing the cutting material is arranged in the testing box, and a simulation mechanism used for simulating the cutting environment is arranged at the top of the testing box. According to the disc blade cutting performance testing device, through the synergistic effect of the horizontal displacement assembly and the longitudinal displacement assembly, a cutting material is driven to flexibly move in the horizontal direction and the vertical direction, so that adjustment of different positions of different types of materials is achieved, and a cutting test can be rapidly carried out between a blade body and various different materials; therefore, cutting materials can be rapidly replaced and positioned, manual intervention is reduced, cutting performance evaluation of various materials is supported, and the practical application capacity of the blade is comprehensively reflected.

Description

Technical Field

[0001] The present invention relates to the technical field of blade performance testing, and particularly to a cutting performance testing device for a disc blade. Background Art

[0002] A disc blade is a cutting tool widely used in the fields of cutting, machining, and processing. It is usually circular or approximately circular, with a sharp edge at the edge. It contacts the workpiece through high-speed rotation to achieve material separation or processing. Disc blades have important applications in industrial production, construction, wood processing, metal processing, stone cutting, etc. The main body of the blade is usually circular or disc-shaped with holes, and the material can be steel such as high-speed steel, carbon steel, cemented carbide, ceramics, or other high-performance materials. The cutting part of the blade is specially treated such as grinding and coating to improve sharpness and wear resistance.

[0003] The cutting performance test of a disc blade is a systematic project, involving various indicators and methods. Through scientific testing and analysis, the performance of the blade can be comprehensively evaluated, providing a basis for product optimization and application. In Chinese Patent CN112557232B, a sharpness testing device for a special-shaped blade is disclosed. The above application's test line installation assembly is installed on the frame and can drive the test line to move horizontally so that the target line segment aligns with the specified test point; the stress-strain sensor is used to measure the stress-strain data when the specified test point cuts the test line, and this data is used to determine the sharpness of the specified test point. However, the above application only evaluates the cutting ability of the blade by fixing the test line, with a single test material and unable to comprehensively test the adaptability of the blade to various materials. At the same time, the simulation of the cutting environment (such as temperature, humidity, etc.) is mentioned, and the test conditions are relatively single, unable to fully reflect the performance of the blade in actual use. Therefore, it has certain limitations. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a cutting performance testing device for a disc blade, which has the advantages of accurate testing structure, etc., and solves the problems of single test material and inability to comprehensively test the adaptability of the blade to various materials.

[0005] To achieve the above object, the present invention provides the following technical solution: A cutting performance testing device for a disc blade, including a test box. A motor is fixed on the left side of the test box and close to its center. One end of the output shaft of the motor extends horizontally into the test box and a sleeve rod is fixed on its outer side. The outer side of the sleeve rod is detachably fixed with a blade body through bolts.

[0006] A replacement mechanism for replacing the cutting material is arranged inside the test box, a simulation mechanism for simulating the cutting environment is arranged on the top of the test box, and a temperature and humidity sensor is fixed on the right inner wall of the test box.

[0007] Among them, the replacement mechanism includes a horizontal displacement component for driving the cutting material to move horizontally and a longitudinal displacement component for driving the cutting material to move up and down. The horizontal displacement component includes two positioning rods horizontally fixed between the inner walls on the left and right sides of the test box. The outer sides of the two positioning rods are slidably connected to the same slide plate. An electric push rod A is fixed on the left side of the test box and penetrates through and extends into the test box and is vertically fixed to the left side of the slide plate.

[0008] The longitudinal displacement component includes a substrate fixed between the inner walls on the left and right sides of the test box. Eight triangular protrusions are sequentially formed on the upper surface of the substrate from left to right. Four springs are fixed on the upper surface of the slide plate and located on its transverse central axis. The upper surfaces of the four springs are fixed to the same ejector rod. Five mounting sleeves are equidistantly fixed on the outer side of the ejector rod. The cutting material body is fixed on the mounting sleeve. A pressure rod located inside the spring is fixed between the five mounting sleeves on the lower surface of the ejector rod. The bottom end of the pressure rod is fixed with a pressure block that fits with the protrusion.

[0009] Furthermore, two symmetrically arranged long strip through holes are formed inside the slide plate. The two positioning rods respectively pass through the two through holes and are slidably connected with the slide plate, and there is a clearance fit between them. The slide plate makes a linear left-right movement on the outer side of the positioning rod.

[0010] Furthermore, the length and width of the substrate are respectively equal to the length and width of the inner cavity of the test box. The protrusions are evenly distributed on the upper surface of the plate, and the shape of the protrusion is a triangular prism.

[0011] Furthermore, four plate holes are formed on the upper surface of the slide plate. The four pressure rods respectively penetrate through the four plate holes and extend to the lower side of the slide plate, and there is a clearance fit between the four pressure rods and the four plate holes respectively.

[0012] Furthermore, the simulation mechanism includes a liquid storage tank and a heating tank respectively fixed on the left and right sides of the upper surface of the test box. A hollow tube is rotatably connected between the inner walls on the left and right sides of the test box through bearings. Two horizontal connecting pipes are fixed between the inner walls on the left and right sides of the hollow tube. An atomizing nozzle is connected and fixed to the outer side of the upper connecting pipe and penetrates through and extends to the outside of the hollow tube at one end. An air outlet head is connected and fixed to the outer side of the lower connecting pipe and penetrates through and extends to the outside of the hollow tube at one end.

[0013] Further, the simulation mechanism further includes a plurality of flow guiding plates fixed inside the heating box. Electric heating wires are fixed on both the left and right sides of the flow guiding plates. A left part of the upper surface of the heating box is missing to form an opening. A filter screen is fixed between the inner walls on the four sides of the opening. A fan is fixed on the upper surface of the heating box facing the direction of the filter screen. A water pump is fixed on the upper surface of the liquid storage tank. A water suction pipe with one end penetrating and extending into the liquid storage tank is connected and fixed to the water inlet end of the water pump. A side pipe A is connected and fixed to the water outlet end of the water pump. A side pipe B is connected and fixed to the right side of the upper surface of the heating box.

[0014] Further, the left end of the upper connecting pipe penetrates and extends to the outside of the hollow pipe, and the right end of the lower connecting pipe penetrates and extends to the outside of the hollow pipe. The other end of the side pipe A is connected and fixed to the left end of the upper connecting pipe, and the other end of the side pipe B is connected and fixed to the right end of the lower connecting pipe.

[0015] Further, both ends of the hollow pipe penetrate the left and right inner walls of the test box and extend to its left and right sides respectively. The shape of the hollow pipe is a cylinder with a hollow interior. An exhaust pipe is connected and fixed to the center of the upper surface of the test box.

[0016] Further, the simulation mechanism further includes an electric push rod B fixed on the right side of the test box. One end of the output shaft of the electric push rod B is fixed with a toothed plate. A gear is fixed on the outside of the hollow pipe and on the right side of the test box. The gear is meshed with the toothed plate.

[0017] Further, an observation door is hinged to the front of the test box through a hinge. Support columns are fixed between the lower surface of the substrate and the inner bottom wall of the test box. The liquid storage tank is filled with atomized liquid.

[0018] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0019] 1. For this disc blade cutting performance test device, through the coordinated action of the horizontal displacement component and the vertical displacement component, the cutting material is driven to move flexibly in the horizontal and vertical directions, so as to realize the adjustment of different positions for different types of materials. The blade body can be quickly tested for cutting with a variety of different materials. Therefore, the cutting material can be quickly replaced and positioned, reducing manual intervention. Secondly, it supports the evaluation of the cutting performance of various materials such as metals, woods, and stones, comprehensively reflecting the actual application ability of the blade.

[0020] 2. The disc blade cutting performance test device aims to improve the authenticity and reliability of test results by simulating the temperature and humidity changes and coolant spraying conditions in the actual cutting environment. Through components such as a liquid storage tank, a heating box, an atomizing nozzle, and a temperature and humidity sensor, the environmental conditions inside the test chamber can be precisely controlled. The coolant is sprayed through the atomizing nozzle and the temperature is adjusted by the heating box, restoring the working state of the blade under actual working conditions. At the same time, with the help of the temperature and humidity sensor, the stability and controllability of environmental parameters during the test are ensured, thereby providing more scientific data support for blade performance evaluation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present invention;

[0022] Figure 2 is a schematic diagram of the replacement mechanism of the present invention;

[0023] Figure 3 is an enlarged schematic diagram of the structure at A in the replacement mechanism of the present invention;

[0024] Figure 4 is a schematic diagram of the horizontal displacement assembly of the present invention;

[0025] Figure 5 is a schematic diagram of the simulation mechanism of the present invention.

[0026] In the figure: 1 test chamber, 2 motor, 3 sleeve rod, 4 blade body, 5 replacement mechanism, 51 horizontal displacement assembly, 511 positioning rod, 512 sliding plate, 513 electric push rod A, 52 longitudinal displacement assembly, 521 base plate, 522 convex portion, 523 spring, 524 ejector rod, 525 mounting sleeve, 526 cutting material body, 527 pressing rod, 528 pressing block, 6 simulation mechanism, 61 liquid storage tank, 62 heating box, 63 hollow tube, 64 connecting tube, 65 atomizing nozzle, 66 air outlet head, 67 deflector, 68 filter screen, 69 water pump, 610 water suction pipe, 611 side pipe A, 612 side pipe B, 613 electric push rod B, 614 rack, 615 gear, 616 fan, 617 heating wire, 7 temperature and humidity sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-5, A disc blade cutting performance test device in this embodiment includes a test box 1. A motor 2 is fixed on the left side of the test box 1 and near its center. One end of the output shaft of the motor 2 extends horizontally into the test box 1 and a sleeve rod 3 is fixed on its outer side. A blade body 4 is detachably fixed on the outer side of the sleeve rod 3 by bolts;

[0029] A replacement mechanism 5 for replacing the cutting material is arranged inside the test box 1. A simulation mechanism 6 for simulating the cutting environment is arranged on the top of the test box 1. A temperature and humidity sensor 7 is fixed on the right inner wall of the test box 1;

[0030] Among them, the replacement mechanism 5 includes a horizontal displacement component 51 for driving the cutting material to move horizontally and a longitudinal displacement component 52 for driving the cutting material to move vertically. The horizontal displacement component 51 includes two positioning rods 511 horizontally fixed between the left and right inner walls of the test box 1. The same slide plate 512 is slidably connected to the outer sides of the two positioning rods 511. An electric push rod A513 is fixed on the left side of the test box 1 and extends through and into the test box 1 and is vertically fixed to the left side of the slide plate 512;

[0031] In this embodiment, the replacement mechanism 5 realizes the horizontal and vertical movement of the cutting material through the horizontal displacement component 51 and the longitudinal displacement component 52. Among them, the horizontal displacement component 51 is composed of two positioning rods 511 fixed between the left and right inner walls of the test box 1. The slide plate 512 is slidably connected to the positioning rods 511 and is driven by the electric push rod A513. One end of the electric push rod A513 is fixed on the left side of the test box 1, and the other end extends into the test box 1 and is vertically fixed to the slide plate 512, thereby driving the slide plate 512 to move horizontally along the positioning rods 511 to realize the horizontal position adjustment of the cutting material.

[0032] The longitudinal displacement component 52 includes a substrate 521 fixed between the left and right inner walls of the test box 1. Eight triangular protrusions 522 are formed on the upper surface of the substrate 521 from left to right in sequence. Four springs 523 are fixed on the upper surface of the slide plate 512 and at its horizontal central axis. The same ejector rod 524 is fixed on the upper surfaces of the four springs 523. Five mounting sleeves 525 are equidistantly fixed on the outer side of the ejector rod 524. A cutting material body 526 is fixed on the mounting sleeve 525. A pressure rod 527 located inside the spring 523 is fixed on the lower surface of the ejector rod 524 and between the five mounting sleeves 525. A pressure block 528 that fits with the protrusion 522 is fixed at the bottom end of the pressure rod 527.

[0033] In this embodiment, the vertical displacement component 52 cooperates with the pressing block 528 at the bottom end of the pressing rod 527 through eight triangular convex portions 522 on the substrate 521 to adjust the vertical position of the ejector rod 524. Four springs 523 fixed on the sliding plate 512 support the ejector rod 524. Five mounting sleeves 525 are equidistantly arranged on the outer side of the ejector rod 524 for fixing the cutting material body 526. The pressing rod 527 is located inside the spring 523, and the pressing block 528 at its bottom end fits with the convex portion 522. By positioning the pressing block 528 on the convex portion 522, precise adjustment of the cutting material body 526 in the vertical position is achieved.

[0034] Among them, two symmetrically arranged long strip through holes are formed inside the sliding plate 512. Two positioning rods 511 are respectively slidably connected to the sliding plate 512 through the two through holes, and there is a clearance fit between them. The sliding plate 512 makes a left-right linear movement on the outer side of the positioning rod 511. The length and width of the substrate 521 are respectively equal to the length and width of the inner cavity of the test box 1. The convex portions 522 are equidistantly distributed on the upper surface of the substrate 521, and the shape of the convex portion 522 is a triangular prism. Four plate holes are formed on the upper surface of the sliding plate 512. Four pressing rods 527 respectively penetrate through the four plate holes and extend to the lower side of the sliding plate 512, and there is a clearance fit between the four pressing rods 527 and the four plate holes respectively.

[0035] In this embodiment, the sliding plate 512 is slidably connected to the positioning rod 511 through two long strip through holes formed inside it, so as to make a left-right linear movement along the positioning rod 511. There is a clearance fit between the two to ensure smooth sliding. The size of the substrate 521 matches the inner cavity of the test box 1, and eight triangular prism-shaped convex portions 522 are equidistantly distributed on its upper surface. Four plate holes are provided on the upper surface of the sliding plate 512. The pressing rod 527 penetrates through the plate hole and extends to the lower side of the sliding plate 512. There is a clearance fit between the two, ensuring that the pressing rod 527 can move up and down without affecting the horizontal displacement function of the sliding plate 512.

[0036] Among them, the simulation mechanism 6 includes a liquid storage tank 61 and a heating tank 62 respectively fixed on the left and right sides of the upper surface of the test box 1. A hollow tube 63 is rotatably connected between the left and right inner walls of the test box 1 through bearings. Two horizontally arranged connecting tubes 64 are fixed between the left and right inner walls of the hollow tube 63. An atomizing nozzle 65 with one end penetrating and extending to the outside of the hollow tube 63 is connected and fixed to the outside of the upper connecting tube 64. An air outlet head 66 with one end penetrating and extending to the outside of the hollow tube 63 is connected and fixed to the outside of the lower connecting tube 64.

[0037] In this embodiment, the simulation mechanism 6 is composed of a liquid storage tank 61 and a heating tank 62 fixed on the left and right sides of the upper surface of the test chamber 1. A hollow tube 63 is rotatably connected inside the test chamber 1 through bearings, and two horizontal connecting tubes 64 are fixed inside it. The outer side of the upper connecting tube 64 is communicated with an atomizing nozzle 65 for spraying atomized liquid; the outer side of the lower connecting tube 64 is communicated with an air outlet head 66 for discharging gas, and both extend to the outside of the hollow tube 63 to simulate the liquid and gas conditions of the test environment.

[0038] Among them, the simulation mechanism 6 further includes a plurality of flow guiding plates 67 fixed inside the heating tank 62. Electric heating wires 617 are fixed on both the left and right sides of the flow guiding plates 67. A part of the left side of the upper surface of the heating tank 62 is missing to form an opening. A filter screen 68 is fixed between the inner walls of the four sides of the opening. A fan 616 is fixed on the upper surface of the heating tank 62 facing the filter screen 68. A water pump 69 is fixed on the upper surface of the liquid storage tank 61. The water inlet end of the water pump 69 is communicated and fixed with a water suction pipe 610 that penetrates and extends into the liquid storage tank 61 at one end. The water outlet end of the water pump 69 is communicated and fixed with a side pipe A611. The right side of the upper surface of the heating tank 62 is communicated and fixed with a side pipe B612.

[0039] In this embodiment, the simulation mechanism 6 realizes gas heating through a plurality of flow guiding plates 67 and the electric heating wires 617 fixed on both sides in the heating tank 62. A filter screen 68 is arranged at the left-side opening on the upper surface of the heating tank 62, and a fan 616 is provided to guide the air flow into and extend the heating path. The water pump 69 on the liquid storage tank 61 extracts liquid through the water suction pipe 610, conveys the atomized liquid through the side pipe A611, and the side pipe B612 on the right side of the heating tank 62 is used to connect to the gas output system to jointly complete the precise simulation and control of the temperature and humidity environment in the test chamber 1.

[0040] Among them, the left end of the upper connecting tube 64 penetrates and extends to the outside of the hollow tube 63, the right end of the lower connecting tube 64 penetrates and extends to the outside of the hollow tube 63. A connection is fixedly communicated between the other end of the side pipe A611 and the left end of the upper connecting tube 64, and a connection is fixedly communicated between the other end of the side pipe B612 and the right end of the lower connecting tube 64. Both ends of the hollow tube 63 penetrate the left and right inner walls of the test chamber 1 and extend to its left and right sides respectively. The shape of the hollow tube 63 is a hollow cylinder. An exhaust pipe is fixedly communicated at the center of the upper surface of the test chamber 1. The simulation mechanism 6 further includes an electric push rod B613 fixed on the right side of the test chamber 1. One end of the output shaft of the electric push rod B613 is fixed with a toothed plate 614. A gear 615 is fixed on the outside of the hollow tube 63 and on the right side of the test chamber 1. The gear 615 is meshed with the toothed plate 614.

[0041] In this embodiment, the left end of the upper connecting pipe 64 and the right end of the lower connecting pipe 64 respectively penetrate through the outside of the hollow pipe 63 and are fixedly connected and communicated with the side pipe A611 and the side pipe B612 to form a conveying channel for liquid and gas. The hollow pipe 63 is a cylinder with a hollow interior. Its two ends penetrate through the left and right inner walls of the test box 1 and extend to the outside. A exhaust pipe is provided at the center of the upper surface of the test box 1 for discharging excess gas. In addition, the electric push rod B613 is fixed to the right side of the test box 1, and its output shaft is connected to the toothed plate 614. By meshing with the gear 615 on the outside of the hollow pipe 63, it drives the hollow pipe 63 to rotate, realizing the direction adjustment of the atomizing nozzle 65 and the air outlet 66, and optimizing the uniformity of the simulation environment.

[0042] Among them, the front surface of the test box 1 is hinged with an observation door through a hinge. Support columns are fixed between the lower surface of the substrate 521 and the inner bottom wall of the test box 1. The inside of the liquid storage tank 61 is filled with atomizing liquid.

[0043] In this embodiment, the front surface of the test box 1 is connected with an observation door through a hinge, which is convenient for operation and observing the internal test situation. The substrate 521 and the inner bottom wall of the test box 1 are fixed through support columns to ensure the structural stability. At the same time, the inside of the liquid storage tank 61 is filled with atomizing liquid, providing a necessary liquid source for the simulation mechanism 6 to achieve the atomizing effect in the test environment.

[0044] It should be noted that the present invention discloses a device for testing the cutting performance of a disc blade. Through the replacement mechanism 5 and the simulation mechanism 6 in the test box 1, a comprehensive evaluation of the cutting performance of the blade is realized. The replacement mechanism 5 includes a horizontal displacement component 51 and a longitudinal displacement component 52, which can flexibly adjust the positions of various cutting materials and support the testing of different materials such as metals, woods, stones, etc.; the simulation mechanism 6 simulates the temperature and humidity changes and the coolant spraying situation in the actual cutting environment through components such as the liquid storage tank 61, the heating box 62, and the atomizing nozzle 65, improving the authenticity and reliability of the test results. The device is equipped with a temperature and humidity sensor 7 to ensure the stable control of environmental parameters.

[0045] Five different cutting material bodies 526 can be installed on the five mounting sleeves 525 for cutting tests, such as metals, woods, stones, etc. To facilitate the contact between different woods and the blade body 4, the operation of the electric push rod A513 can drive the sliding plate 512 to slide left and right outside the positioning rod 511 to adjust the horizontal position of the cutting material body 526. During the movement of the sliding plate 512, the spring 523, the ejector rod 524, and the mounting sleeve 525 on its upper side will move accordingly. At the same time, the ejector rod 524 will drive the pressure rod 527 and the pressure block 528 on its lower side to move horizontally. During the movement of the pressure block 528, it will come into contact with the convex portion 522. When the pressure block 528 fits with the convex portion 522 and is affected by the slope of the convex portion 522 during the movement of the pressure block 528, the pressure block 528 will be lifted. The pressure block 528 further lifts the pressure rod 527, the ejector rod 524, and the mounting sleeve 525. At this time, the cutting material body 526 will come into contact with the blade body 4. During the telescopic movement of the electric push rod A513, friction will occur between the blade body 4 and the cutting material body 526, and the friction performance of the blade body 4 can be tested. When the electric push rod A513 stops operating and the motor 2 runs to drive the blade body 4 to rotate through the sleeve rod 3, a cutting test will be performed on the cutting material body 526. Therefore, through the telescopic movement of the output shaft of the electric push rod A513 and with the cooperation of the spring 523, five different types of cutting material bodies 526 can be brought into contact with the blade body 4 in sequence for testing.

[0046] During the testing of the blade body 4, in order to improve the accuracy of the test, through the operation of the water pump 69, the water in the liquid storage tank 61 is pumped out through the water suction pipe 610. At this time, the water will pass through the water suction pipe 610 and the side pipe A 611 and reach the upper connecting pipe 64 and be sprayed out through the atomizing nozzle 65 on the connecting pipe 64 to humidify the test chamber 1 and test the corrosion resistance and thermal stability of the blade of the blade body 4. When the heating wire 617 and the fan 616 are operating simultaneously, the external gas first enters the interior of the heating chamber 62 through the filter screen 68, and the flow time of the gas in the heating chamber 62 is increased through a plurality of flow guiding plates 67 to further enhance the heating effect of the heating wire 617. The gas will enter the lower connecting pipe 64 through the side pipe B 612 and be further discharged through the air outlet head 66 to heat the environment in the test chamber 1 and further heat the blade body 4 to simulate the real working environment of the blade body 4. Since the air outlet head 66 and the atomizing nozzle 65 are in two directions, during the operation of the electric push rod B 613, the telescopic output shaft can drive the toothed plate 614 to move up and down. Since the toothed plate 614 meshes with the gear 615 on the outer side of the hollow pipe 63, the hollow pipe 63 is rotated by a short stroke, further changing the positions between the air outlet head 66 and the atomizing nozzle 65 to facilitate the operation of the air outlet head 66 and the atomizing nozzle 65. At the same time, with the help of the temperature and humidity sensor 7, the stability and controllability of the environmental parameters during the test are ensured, thereby providing more scientific data support for the blade performance evaluation.

[0047] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A disc blade cutting performance testing device, comprising a test box (1), characterized in that: A motor (2) is fixed on the left side of the test box (1) and near the center thereof, one end of the output shaft of the motor (2) extends horizontally into the test box (1) and a sleeve rod (3) is fixed on the outside thereof, and a blade body (4) is detachably fixed to the outside of the sleeve rod (3) by bolts; The test box (1) is provided with a replacement mechanism (5) for replacing cutting materials inside, the top of the test box (1) is provided with a simulation mechanism (6) for simulating a cutting environment, and a temperature and humidity sensor (7) is fixed to the right inner wall of the test box (1); The replacement mechanism (5) comprises a horizontal displacement component (51) for driving the cutting material to move horizontally and a longitudinal displacement component (52) for driving the cutting material to move up and down, the horizontal displacement component (51) comprises two positioning rods (511) fixed horizontally between the left and right inner walls of the test box (1), the outer sides of the two positioning rods (511) are slidably connected to the same slide plate (512), and the left side of the test box (1) is fixed with an electric push rod A (513) having one end penetrating and extending into the test box (1) and vertically fixed to the left side of the slide plate (512); The longitudinal displacement assembly (52) comprises a base plate (521) fixed between the inner walls on the left and right sides of the test box (1); eight protrusions (522) with triangular cross-sections are formed in sequence from left to right on the upper surface of the base plate (521); four springs (523) are fixed on the upper surface of the slide plate (512) and located on its transverse central axis; the same push rod (524) is fixed on the upper surfaces of the four springs (523); five mounting sleeves (525) are fixed at equal distances on the outer side of the push rod (524); a cutting material body (526) is fixed on the mounting sleeve (525); a pressure rod (527) located in the spring (523) is fixed on the lower surface of the push rod (524) and located between the five mounting sleeves (525); a pressure block (528) that fits with the protrusion (522) is fixed at the bottom end of the pressure rod (527).

2. A disc blade cutting performance testing device according to claim 1, characterized in that: The inside of the slide plate (512) is provided with two symmetrical long through holes, and the two positioning rods (511) are respectively slidably connected to the slide plate (512) through the two through holes, and there is a clearance fit between the two, and the slide plate (512) moves linearly left and right on the outside of the positioning rods (511).

3. A disc blade cutting performance testing device according to claim 1, characterized in that: The length and width of the base plate (521) are respectively equal to the length and width of the inner cavity of the test box (1); the protrusions (522) are located on the upper surface of the plate (521) and are distributed equidistantly; and the protrusions (522) are in the shape of triangular prisms.

4. A disc blade cutting performance testing device according to claim 1, characterized in that: The upper surface of the slide plate (512) is provided with four plate holes, and the four pressure rods (527) respectively penetrate the four plate holes and extend to the lower side of the slide plate (512), and the four pressure rods (527) are respectively fitted with clearances in the four plate holes.

5. A disc blade cutting performance testing device according to claim 1, characterized in that: The simulation mechanism (6) comprises a liquid storage box (61) and a heating box (62) respectively fixed to the left and right sides of the upper surface of the test box (1); a hollow tube (63) is rotatably connected between the left and right inner walls of the test box (1) via a bearing; two horizontal connecting tubes (64) are fixed between the left and right inner walls of the hollow tube (63); an atomizing nozzle (65) having one end penetrating through and extending to the outside of the hollow tube (63) is connected and fixed to the outer side of the upper connecting tube (64); and an air outlet head (66) having one end penetrating through and extending to the outside of the hollow tube (63) is connected and fixed to the outer side of the lower connecting tube (64).

6. A disc blade cutting performance testing device according to claim 5, characterized in that: The simulation mechanism (6) further comprises a plurality of guide plates (67) fixed inside the heating box (62), and electric heating wires (617) are fixed on both left and right sides of the guide plates (67). The left side portion of the upper surface of the heating box (62) is missing to form an opening, and a filter screen (68) is fixed between the inner walls of the four sides of the opening. A fan (616) is fixed on the upper surface of the heating box (62) and facing the filter screen (68). A water pump (69) is fixed on the upper surface of the liquid storage box (61), and the water inlet end of the water pump (69) is connected to and fixed with a water pump (610) having one end penetrating and extending into the interior of the liquid storage box (61). The water outlet end of the water pump (69) is connected to and fixed with a side pipe A (611), and the right side of the upper surface of the heating box (62) is connected to and fixed with a side pipe B (612).

7. A disc blade cutting performance testing device according to claim 6, characterized in that: The left end of the upper connecting tube (64) passes through and extends to the outside of the hollow tube (63), the right end of the lower connecting tube (64) passes through and extends to the outside of the hollow tube (63), the other end of the side tube A (611) is connected and fixed to the left end of the upper connecting tube (64), and the other end of the side tube B (611) is connected and fixed to the right end of the lower connecting tube (64).

8. A disc blade cutting performance testing device according to claim 7, characterized in that: The two ends of the hollow tube (63) respectively penetrate the left and right inner walls of the test box (1) and extend to the left and right sides thereof respectively. The hollow tube (63) is in the shape of a hollow cylinder. An exhaust pipe is connected and fixed at the center of the upper surface of the test box (1).

9. A disc blade cutting performance testing device according to claim 8, characterized in that: The simulation mechanism (6) further comprises an electric push rod B (613) fixed to the right side of the test box (1), a toothed plate (614) being fixed to one end of the output shaft of the electric push rod B (613), a gear (615) being fixed to the outside of the hollow tube (63) and located on the right side of the test box (1), and the gear (615) being meshingly connected to the toothed plate (614).

10. The disc blade cutting performance testing device according to claim 5, characterized in that: The front of the test box (1) is hinged with an observation door, a support column is fixed between the lower surface of the base plate (521) and the inner bottom wall of the test box (1), and the interior of the liquid storage box (61) is filled with atomized liquid.

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