Material rotation fatigue test equipment

Abstract

The utility model belongs to the technical field of polymer test equipment, and particularly discloses material rotation fatigue test equipment which comprises a test platform, a control box, an infrared temperature detection module and a fixing tool, the test platform is provided with a driving device and a vertically arranged main shaft, and the driving device is connected with the main shaft; the fixing tool is arranged at the upper end of the main shaft and is provided with a mounting shaft part; the infrared temperature detection module comprises a mounting vertical frame and a temperature sensor; the control box is in signal connection with the temperature sensor and the driving device. The rotating direction and the rotating speed of the driving device are controlled through the control box to drive the tested piece on the fixing tool to rotate so as to simulate the actual use working condition of the tested piece, so that the failure mechanism of a product in the actual application process is simulated, the defects of the tested piece formed by injection molding of a polymer material are correctly represented, and the detection accuracy is improved. Therefore, the rotational fatigue performance of the material can be fed back more visually and truly, the method has practical guiding significance for material development, and the development progress of the material can be promoted.

Description

TECHNICAL FIELD

[0001] The utility model relates to polymer test equipment technical field, especially a kind of material rotating fatigue test equipment. BACKGROUND

[0002] At present, polymer material performance test is generally by plastic particle injection molding into material standard sample, by the tensile / bending / impact and fatigue test of sample to determine whether the performance of material can meet the rotating life demand of later injection molding component, this evaluation method cannot correspond to actual component use condition in fact, lead to the problem of material failure often appears in material development and practical application, such as component in long-term rotating process, wear off powder, shaft hole deformation, produce abnormal sound etc., therefore, the tensile / bending / impact test method of traditional sample cannot directly feedback the actual rotating fatigue performance of polymer material, seriously affect the development progress of material. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of material rotating fatigue test equipment, to solve the technical problem that the tensile / bending / impact test method of sample in prior art cannot directly feedback the actual rotating fatigue performance of polymer material, seriously affect the development progress of material.

[0004] In order to realize the above-mentioned purpose, the utility model provides a kind of material rotating fatigue test equipment, it includes: test platform, control box, infrared temperature detection module, fixed tooling;The test platform is provided with driving device and vertical main shaft, the driving device is connected with the main shaft, and the driving device is used to drive the rotation of the main shaft;The fixed tooling is set in the upper end of the main shaft, and the fixed tooling has the installation shaft part for fixing the measured piece;The infrared temperature detection module includes mounting stand and temperature sensor, the temperature sensor is set on the mounting stand, and the temperature sensor is located directly above the installation shaft part;The control box is signal connected with the temperature sensor, the driving device.

[0005] Preferably, it further includes: protective mesh cover cage;The test platform, the infrared temperature detection module are all set in the protective mesh cover cage, the control box is located outside the protective mesh cover cage, one side of the protective mesh cover cage has switch door, and the mounting stand is set on the protective mesh cover cage.

[0006] Preferably, the bottom of the protective mesh cover cage has fixed support, and the test platform is set on the fixed support.

[0007] Preferably, the fixing tool comprises a mounting base, a fixing clamp, a fixing connecting piece, and at least one threaded connecting piece; the mounting base is provided with a sleeving shaft hole, the mounting base is sleeved on the main shaft through the sleeving shaft hole, the fixing clamp is connected with the upper end of the main shaft through the fixing connecting piece; the fixing clamp is provided with at least one clamping part, the clamping part is located directly above the mounting base, the clamping part is provided with a first mounting hole, the mounting base is provided with a first threaded hole corresponding to the position of the first mounting hole, the threaded connecting piece is threadedly connected with the first threaded hole through the first mounting hole, and the clamping part, the threaded connecting piece and the mounting base cooperatively form the mounting shaft part.

[0008] Preferably, the top of the main shaft is provided with a transmission key, and the fixing clamp is provided with a transmission groove matched with the transmission key, the transmission groove being sleeved on the transmission key.

[0009] Preferably, the mounting stand is provided with a horizontal mounting section, the horizontal mounting section is provided with a strip-shaped groove extending along the radial direction of the main shaft, the temperature sensor is located in the strip-shaped groove, and the temperature sensor is detachably connected with the horizontal mounting section.

[0010] Preferably, the test platform further comprises a mounting table, and the mounting table is provided with a rotating bearing seat rotationally connected with the main shaft.

[0011] Preferably, the driving device is an electric machine, the electric machine is arranged below the mounting table, and the main shaft extends to the upper side of the mounting table.

[0012] Preferably, the top of the control box is provided with a control panel.

[0013] Preferably, the bottom of the control box is provided with a plurality of moving wheels.

[0014] The material rotating fatigue test equipment has the beneficial effects that: the rotating direction and rotating speed of the driving device are controlled through the control box, so as to drive the measured piece on the fixing tool to rotate, to simulate the actual use condition of the measured piece, to simulate the failure mechanism of the product in the actual application process, to correctly characterize the defects of the measured piece formed by polymer material injection molding, to more intuitively and truly feed back the rotating fatigue performance of the material, to have very practical guiding significance for material development, and to be beneficial to promoting the development progress of the material.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practicing the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1is a structural schematic view of a material rotating fatigue test equipment according to an embodiment of the present utility model;

[0017] Fig. 2 is an assembly structural schematic view of a test platform, a fixing tool and an infrared temperature detecting module according to an embodiment of the present utility model;

[0018] Fig. 3 is a structural schematic view of a test platform and a fixing tool after disassembly according to an embodiment of the present utility model.

[0019] In the figure, 100 is a test platform, 110 is a driving device, 120 is a main shaft, 121 is a transmission key, 130 is a mounting table, 131 is a rotating bearing seat, 200 is a control box, 210 is a control panel, 220 is a moving wheel, 300 is an infrared temperature detecting module, 310 is a mounting stand, 311 is a horizontal mounting section, 312 is a strip-shaped groove, 320 is a temperature sensor, 400 is a fixing tool, 410 is a mounting shaft part, 420 is a mounting base, 421 is a sleeving shaft hole, 422 is a first threaded hole, 430 is a fixing clamping block, 431 is a clamping part, 432 is a first mounting hole, 440 is a fixed connecting piece, 450 is a threaded connecting piece, 460 is a gasket, 500 is a protective mesh cover cage, 510 is an opening and closing door, 520 is a fixing support, and 600 is a measured piece. DETAILED DESCRIPTION

[0020] The embodiments of the present utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and cannot be understood as a limitation on the present utility model.

[0021] In the description of the present utility model, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0022] In the description of the present utility model, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, etc. is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0023] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood broadly, and the specific meaning of the above words in the utility model can be determined by the person skilled in the art in combination with the specific content of the technical scheme.

[0024] Please see Figs. 1-3 , the material rotating fatigue test equipment provided by the utility model embodiment will be described.

[0025] Referring to Figs. 1-3 The material rotating fatigue test equipment of the utility model embodiment comprises a test platform 100, a control box 200, an infrared temperature detection module 300 and a fixing tool 400. The test platform 100 is provided with a driving device 110 and a vertical main shaft 120. The driving device 110 is connected with the main shaft 120. The driving device 110 is used for driving the main shaft 120 to rotate. The fixing tool 400 is arranged at the upper end of the main shaft 120. The fixing tool 400 is provided with a mounting shaft part 410 used for fixing a measured member 600. The infrared temperature detection module 300 comprises a mounting stand 310 and a temperature sensor 320. The temperature sensor 320 is arranged on the mounting stand 310. The temperature sensor 320 is located directly above the mounting shaft part 410. The control box 200 is signal connected with the temperature sensor 320 and the driving device 110.

[0026] The driving device 110 is a driving mechanism that can adjust the rotating speed and rotating direction of the main shaft 120, such as a stepping motor. The rotating speed and rotating direction of the driving device 110 can be controlled through the control box 200, so that the fixing tool 400 can be tested under predetermined working conditions. The mounting shaft part 410 of the fixing tool 400 is used for mounting the measured member 600. The measured member 600 is fixed on the fixing tool 400 through the mounting shaft part 410, so that the fixing tool 400 can drive the measured member 600 to rotate. The measured member 600 can be a plastic polymer particle injection molded part, such as an aircraft blade, a fan blade, a wind wheel, a wave wheel, a centrifugal fan blade, etc. The measured member 600 can be fixed on the fixing tool 400 through the mounting shaft part 410. The driving device 110 drives the measured member 600 to rotate, so that the measured member 600 can be simulated under actual working conditions. In the long-term rotating test process, the measured member 600 can show phenomena such as wear and tear, shaft hole deformation and abnormal noise, so as to test the rotating fatigue performance of the polymer material.

[0027] It should be noted that the temperature sensor 320 of the infrared temperature detection module 300 is arranged directly above the mounting shaft portion 410 to detect the assembly contact shaft hole temperature of the measured member 600, so as to cooperate with the use condition data input by the control box 200 to record the rotation speed and time of the measured member 600 and the assembly contact shaft hole temperature curve, so as to explore the relationship between the material glass transition temperature and the material fatigue life and the like, so as to develop the material.

[0028] The material rotation fatigue test equipment in the embodiment controls the rotation direction and rotation speed of the driving device 110 through the control box 200, so as to drive the measured member 600 on the fixed tooling 400 to rotate, so as to simulate the actual use condition of the measured member 600, so as to simulate the failure mechanism of the product in the actual application process, so that the defects of the measured member 600 formed by the polymer material injection molding are correctly characterized, the rotation fatigue performance of the material is more intuitively and truly fed back, the material development has a very practical guiding significance, and the development progress of the material is promoted.

[0029] It should be noted that the control box 200 can be connected with the temperature sensor 320 and the driving device 110 through an electrical signal, a Bluetooth signal and a wi-fi signal, so that the control box 200 transmits and receives signals, the driving device 110 is controlled to operate, and test data is collected, so that the rotation speed and time curve, the rotation speed and time and the assembly contact shaft hole temperature curve are better output, the relationship between the material glass transition temperature and the material fatigue life and the like is explored, and the material development is facilitated.

[0030] In some embodiments of the utility model, refer to Figs. 1-3 The material rotation fatigue test equipment further comprises a protective mesh cage 500, the test platform 100 and the infrared temperature detection module 300 are arranged in the protective mesh cage 500, the control box 200 is located outside the protective mesh cage 500, one side of the protective mesh cage 500 is provided with a switch door 510, and the mounting vertical frame 310 is arranged on the protective mesh cage 500. The protective mesh cage 500 is used for covering the test platform 100, because the measured member 600 may be aged, failed and cracked in a long-term rotation test process, and the flying debris has a safety hazard, therefore, the test platform 100 is covered by the protective mesh cage 500, the flying debris is prevented from injuring people, and the test safety is ensured. The switch door 510 is used for the test personnel to enter and exit, and the door is locked when the test starts, so that people are prevented from entering the protective mesh cage 500 and accidents are avoided.

[0031] In some embodiments of the utility model, refer to Figs. 1-3The bottom of the protective screen cage 500 is provided with a fixing support 520, and the test platform 100 is arranged on the fixing support 520. The protective screen cage 500 is fixed to the ground through the fixing support 520, and then the test platform 100 is fixed to the fixing support 520, so that the test platform 100 is prevented from shaking during the test, the interference is reduced, and the test result is correct and effective.

[0032] In some embodiments of the utility model, refer to Figs. 1-3 The fixing tool 400 comprises a mounting base 420, a fixing clamp block 430, a fixing connecting piece 440 and at least one threaded connecting piece 450. The mounting base 420 is provided with a sleeving shaft hole 421, the mounting base 420 is sleeved on the main shaft 120 through the sleeving shaft hole 421, and the fixing clamp block 430 is connected with the upper end of the main shaft 120 through the fixing connecting piece 440. The fixing clamp block 430 is provided with at least one clamping part 431, the number of clamping parts 431 and the number of threaded connecting pieces 450 can be determined according to the number of measured pieces 600, the clamping part 431 is located directly above the mounting base 420, the clamping part 431 is provided with a first mounting hole 432, the mounting base 420 is provided with a first threaded hole 422 corresponding to the position of the first mounting hole 432, the threaded connecting piece 450 is screwed through the first mounting hole 432 and the first threaded hole 422, and the clamping part 431, the threaded connecting piece 450 and the mounting base 420 cooperatively form the mounting shaft part 410. The measured piece 600 can be a blade, the blade is provided with a mounting hole, so that the measured piece 600 is fixed on the fixing tool 400 by cooperation of the threaded connecting piece 450, the clamping part 431 and the mounting base 420, and connection fastening is ensured. The fixing connecting piece 440 can be a fixing piece such as a screw, a bolt or a fixing pin, and the threaded connecting piece 450 can be a connecting piece such as a screw or a bolt. It should be noted that the form of the fixing tool 400 can be changed and designed according to the structure of the measured piece 600, so that the measured piece 600 is fixed on the main shaft 120 for rotation test. It can be understood that, in order to better clamp the measured piece 600 by the clamping part 431 and the mounting base 420, a gasket 460 can be arranged between the measured piece 600 and the clamping part 431 and the mounting base 420, so that the measured piece 600 is better clamped.

[0033] In some embodiments of the utility model, refer to Figs. 1-3 The top of the main shaft 120 is provided with a transmission key 121, the fixing clamp block 430 is provided with a transmission groove matched with the transmission key 121, and the transmission groove is sleeved on the transmission key 121, that is, the main shaft 120 transmits power to the fixing clamp block 430 through the transmission key 121, so that the measured piece 600 on the fixing clamp block 430 is driven to rotate together, so that the use condition of the measured piece 600 is simulated.

[0034] In some embodiments of the utility model, refer to Figs. 1-3 , The installation stand 310 is provided with horizontal installation section 311, horizontal installation section 311 is provided with strip groove 312, strip groove 312 extends along the radial direction of main shaft 120, temperature sensor 320 is located in strip groove 312, and temperature sensor 320 is detachably connected with horizontal installation section 311. That is, the position of temperature sensor 320 can be adjusted along strip groove 312, so that temperature sensor 320 detects the temperature of the assembly contact shaft hole of different measured pieces 600, so that the equipment can carry out fatigue test to a plurality of different measured pieces 600. Among them, temperature sensor 320 can be installed on horizontal installation section 311 through the detachable connecting piece such as pin, screw, bolt, so as to adjust the position of temperature sensor 320 on horizontal installation section 311.

[0035] In some embodiments of the utility model, refer to Figs. 1-3 , The test platform 100 further includes installation platform 130;Installation platform 130 is provided with rotating bearing seat 131 rotatably connected with main shaft 120. Rotating bearing seat 131 can ensure that main shaft 120 rotates more stably and smoothly, reduces the interference of external factors, and ensures that test data is more real and reliable.

[0036] In some embodiments of the utility model, refer to Figs. 1-3 , The motor is arranged below the installation platform 130, and the main shaft 120 extends to the upper side of the installation platform 130, that is, the motor is enclosed below the installation platform 130, so that the whole appearance is more beautiful, and the main shaft 120 extends to the upper side of the installation platform 130, so that the tooling 400 can be better installed and fixed.

[0037] In some embodiments of the utility model, refer to Figs. 1-3 , The top of control box 200 is provided with control panel 210. Control panel 210 is a man-machine interaction panel, so that the test personnel can input the test working condition of measured piece 600 through control panel 210, and the test personnel can also obtain the test result through control panel 210.

[0038] In some embodiments of the utility model, refer to Figs. 1-3 Figs. 1-3 , The bottom of control box 200 is provided with a plurality of movable wheels 220. Movable wheels 220 can facilitate the movement of control box 200, facilitate the control box 200 and the test platform 100 to have a predetermined safety distance, and ensure that the test personnel can test in a safe environment.

[0039] To sum up, the material rotating fatigue test equipment of the embodiment controls the rotating direction and rotating speed of the driving device 110 through the control box 200 to drive the measured piece 600 on the fixed tooling 400 to rotate, so as to simulate the actual use condition of the measured piece 600, simulate the failure mechanism of the product in the actual application process, make the defects of the measured piece 600 formed by the polymer material injection correct characterization, more intuitively and truly feedback the rotating fatigue performance of the material, have a very practical guiding significance for material development, and are beneficial to promoting the development progress of the material.

[0040] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be considered as the protection scope of the present application.

Claims

1. A material rotation fatigue testing device, characterized in that, The utility model relates to a kind of infrared temperature detection device, including: test platform, control box, infrared temperature detection module, fixed tooling;The test platform is provided with driving device and vertical main shaft, the driving device is connected with the main shaft, and the driving device is used to drive the rotation of the main shaft;The fixed tooling is arranged at the upper end of the main shaft, and the fixed tooling has installation shaft part for fixing measured piece;The infrared temperature detection module includes installation stand and temperature sensor, the temperature sensor is arranged on the installation stand, and the temperature sensor is located directly above the installation shaft part;The control box is signal connected with the temperature sensor, the driving device. Also include:

2. The material rotational fatigue testing apparatus according to claim 1, characterized by Protective screen cage;The test platform, the infrared temperature detection module are arranged in the protective screen cage, and the control box is located outside the protective screen cage, one side of the protective screen cage has switch door, and the installation stand is arranged on the protective screen cage. The bottom of the protective screen cage has fixed support, and the test platform is arranged on the fixed support.

3. The material rotational fatigue testing apparatus according to claim 2, characterized by, The fixed tooling includes installation base, fixed clamp block, fixed connecting piece, at least one threaded connecting piece;The installation base has sleeve shaft hole, the installation base is sleeved on the main shaft through the sleeve shaft hole, and the fixed clamp block is connected with the upper end of the main shaft through the fixed connecting piece;The fixed clamp block is provided with at least one clamping part, and the clamping part is located directly above the installation base, and the clamping part is provided with first mounting hole, the installation base is provided with first threaded hole corresponding to the position of the first mounting hole, the threaded connecting piece is screwed through the first mounting hole and the first threaded hole, and the clamping part, the threaded connecting piece, the installation base cooperate to form the installation shaft part.

4. The material rotational fatigue testing apparatus according to claim 1, characterized by, The top of the main shaft is provided with a transmission key, and the fixed clamp block is provided with a transmission groove matched with the transmission key, and the transmission groove is sleeved on the transmission key.

5. The material rotational fatigue testing apparatus according to claim 4, characterized by, The installation stand is provided with a horizontal mounting section, and the horizontal mounting section is provided with a strip-shaped groove extending along the radial direction of the main shaft, and the temperature sensor is located in the strip-shaped groove, and the temperature sensor is detachably connected with the horizontal mounting section.

6. The material rotational fatigue testing apparatus of claim 1, wherein, The test platform further includes mounting table;The mounting table is provided with rotation bearing seat rotatably connected with the main shaft.

7. The material rotational fatigue testing apparatus of claim 1, wherein The driving device is motor, and the motor is arranged below the mounting table, and the main shaft extends to the upper side of the mounting table.

8. The material rotational fatigue testing apparatus according to claim 7, characterized by, The top of the control box is provided with a control panel.

9. The material rotational fatigue testing apparatus of claim 1, wherein, The bottom of the control box is provided with a plurality of moving wheels.

10. The material rotational fatigue testing apparatus of claim 9, wherein, ​

Images