Metal matrix composite hardness detection device and method thereof

Abstract

The application discloses a kind of metal matrix composite hardness detection device and method thereof, it is related to metal matrix composite hardness detection field, a kind of metal matrix composite hardness detection device, including bottom plate, support leg, workbench, clamping assembly and protection assembly, support, motor, first drive device and second drive device, support rod, top plate, second bidirectional screw rod, through slot, moving block, connecting rod, clamping groove, acrylic protective door, the second drive device of the present application can be driven to its second bidirectional screw rod, the rotation of second bidirectional screw rod can drive the movement of two moving blocks, the movement of two moving blocks can drive the movement of two connecting rods, in turn drive the sliding of two acrylic protective doors in clamping groove, realize the protection to staff when detecting, the problem that splashing debris of broken material cannot be shielded when detecting is solved by the above.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of metal matrix composite hardness detection, and particularly relates to a metal matrix composite hardness detection device and method. BACKGROUND

[0002] Metal matrix composite is a composite material artificially combined with metal and its alloy as matrix and one or several metal or non-metal reinforcing phase. Hardness is the ability of a material to resist indentation by a harder object. According to different test methods and application ranges, hardness units can be divided into Brinell hardness, Vickers hardness, Rockwell hardness, micro Vickers hardness and many other units. Different units have different testing methods.

[0003] In the prior art, after the composite metal material is manufactured, reasonable detection needs to be performed to enable people to understand the hardness of the composite metal material, so as to prevent the hardness of the composite metal material from failing to reach an expected effect when the composite metal material is used, thereby affecting the use of the composite metal material. However, the existing composite metal material hardness detection device has a simple structure. During detection, the metal matrix composite is exposed to air, and the splashing debris of the broken material cannot be shielded during detection, so that the debris will affect the safety of the workers. Therefore, the present application discloses a metal matrix composite hardness detection device and method to meet the needs of people. SUMMARY

[0004] The present application aims to provide a metal matrix composite hardness detection device and method to solve the problem of the existing composite metal material hardness detection device with a simple structure, in which the metal matrix composite is exposed to air during detection, and the splashing debris of the broken material cannot be shielded during detection, so that the debris will affect the safety of the workers.

[0005] To achieve the above object, the application provides the following technical scheme: A metal matrix composite hardness detection device, comprising a bottom plate, a plurality of avoiding holes are opened on the top side of the bottom plate, a plurality of supporting legs are installed in the avoiding holes, a workbench is installed at the top end of the supporting legs, a clamping assembly and a protection assembly are arranged on the top side of the workbench, a support is installed at the bottom side of the workbench, a motor is installed at the top side of the support, a first driving device and a second driving device are coaxially installed on the output shaft of the motor, a supporting rod is installed on the top side of the workbench, a top plate is installed at the top end of the supporting rod, the protection assembly comprises a second driving device and a second bidirectional screw rod, one end of the second bidirectional screw rod is installed on the second driving device, a through slot is opened on the top side of the top plate, rotating holes are opened on the inner walls of the two sides of the through slot, the two ends of the second bidirectional screw rod are rotatably connected with the non-threaded ends of the two rotating holes respectively, two moving blocks are slidably connected with the inner wall of the through slot, threaded holes are opened on one side of the two moving blocks, the surfaces of the second bidirectional screw rod are screwed with the two threaded holes respectively, connecting rods are installed on the top side of the two moving blocks, clamping grooves are opened on the top side of the workbench, acrylic protection doors are installed at the ends of the two connecting rods away from the moving blocks, the bottom sides of the two acrylic protection doors are slidably connected with the inner walls of the corresponding clamping grooves.

[0006] Preferably, the clamping assembly comprises a first driving device and a first bidirectional screw rod, one end of the first bidirectional screw rod is installed on the first driving device, two sliding grooves are opened on the top side of the workbench, two sliding blocks are slidably connected with the inner walls of the two sliding grooves, threaded holes are opened on one side of the plurality of sliding blocks, the surfaces of the two first bidirectional screw rods are screwed with the plurality of threaded holes respectively, rotating holes are opened on the inner walls of the two sliding grooves, the two ends of the two first bidirectional screw rods are rotatably connected with the non-threaded sections of the plurality of rotating holes.

[0007] Preferably, clamping blocks are installed on the top sides of the two sliding blocks, anti-skid strips are installed on the inner walls of the two clamping blocks, and self-adapting clamping units are arranged on the inner walls of the two clamping blocks.

[0008] Preferably, the self-adapting clamping unit comprises installation grooves, the installation grooves are opened on the inner walls of the two clamping blocks, and transverse clamping units and longitudinal clamping units are arranged on the inner walls of the two installation grooves respectively.

[0009] Preferably, the transverse clamping unit comprises a second connecting seat installed on the inner wall of the installation groove, and a second movable plate is rotatably connected with the inner wall of the second connecting seat.

[0010] Preferably, the longitudinal clamping unit comprises a first connecting seat installed on the inner wall of the installation groove, and a first movable plate is rotatably connected with the inner wall of the first connecting seat.

[0011] Preferably, one side of the workbench is provided with a pressure display, a rectangular slot for discharging is formed in the top side of the workbench, a collecting box is slidably connected to the top side of the bottom plate, a detection device body is mounted on the top side of the top plate, a detection head is mounted at the output end of the detection device body, and a cleaning assembly is arranged on the detection device body.

[0012] Preferably, the cleaning assembly comprises a fixing rod, a fixing sleeve is sleeved on the surface of the fixing rod, cleaning brushes are mounted on the surface of the fixing sleeve, scrapers are mounted on one side of the cleaning brushes, and limiting units are arranged at the two ends of the fixing rod.

[0013] Preferably, the limiting unit comprises two vertical plates mounted on the top side of the workbench, limiting grooves are formed in the opposite surfaces of the two vertical plates, limiting blocks are slidably connected to the inner walls of the two limiting grooves, and the opposite surfaces of the two limiting blocks are connected to the two ends of the fixing rod.

[0014] A metal matrix composite hardness detection method, the method comprises:

[0015] S1: first, the first driving device is arranged to drive the movement of the two first bidirectional screws, so that the two clamping blocks move towards each other or move away from each other, the distance between the two clamping blocks is adjusted, different sizes of metal materials are adapted, the longitudinal clamping unit and the transverse clamping unit arranged on the clamping block can adapt to irregular metal materials, and the adaptability is better;

[0016] S2: while clamping, the motor drives the second driving device to drive the second bidirectional screw, the movement of the two moving blocks is driven through the rotation of the second bidirectional screw, the movement of the two connecting rods is driven through the movement of the two moving blocks, and then the sliding of the two acrylic protective doors in the clamping groove is driven, so that the protection of the workers during detection is realized;

[0017] S3: after clamping and protection are completed, detection is started, during detection, the detection head is pressed down by the detection device body, pressure is applied, the fixed rod is lowered at the same time as the detection device body is lowered, the fixed sleeve on the fixed rod is lowered together with the cleaning brush, the two acrylic protective doors are wiped through the downward movement of the cleaning brush, and the dust and impurities after cleaning are scraped off together with the scrapers, so that the acrylic protective doors are kept clean and the detection condition is convenient to observe.

[0018] In summary, the technical effects and advantages of the present application are:

[0019] 1. This invention includes a protective component. A second driving device drives a second bidirectional lead screw. The rotation of the second bidirectional lead screw drives two moving blocks, which in turn drives two connecting rods, thereby causing two acrylic protective doors to slide inside the slots. This provides protection for workers during testing. This invention solves the problem that during testing, metal-based composite materials exposed to the air cannot shield against the flying debris from crushed materials, which could endanger workers' safety.

[0020] 2. The present invention is equipped with a cleaning component. When the detection device body applies downward pressure, it drives the fixing rod to descend, which in turn drives the fixing sleeve on the fixing rod to drive the cleaning brush to descend together. Through the downward movement of the cleaning brush, the two acrylic protective doors can be wiped clean. In conjunction with the scraper, the dust and other impurities after cleaning can be scraped off, keeping the acrylic protective doors clean and facilitating the observation of the detection status.

[0021] 3. The present invention is provided with an adaptive clamping component. The first driving device drives the movement of two first bidirectional lead screws, which enables the two clamping blocks to move towards each other or away from each other, thereby adjusting the distance between them to adapt to metal materials of different sizes. Through the longitudinal clamping unit and the transverse clamping unit provided on the clamping block, it can adapt to irregular metal materials, making it more adaptable. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the clamping component structure of the present invention;

[0025] Figure 3 for Figure 2 A magnified schematic diagram of a portion of region A in the middle;

[0026] Figure 4 This is a schematic diagram of the protective component structure in this invention;

[0027] Figure 5 This is a schematic diagram of the cleaning component structure in this invention;

[0028] Figure 6 The figure is a schematic view of the cleaning brush area structure in the application.

[0029] In the figure: 1, bottom plate; 2, support leg; 3, collection box; 4, workbench; 5, pressure display; 6, support; 7, motor; 801, first driving device; 802, sliding groove; 803, first bidirectional screw rod; 804, sliding block; 805, clamping block; 806, anti-skid strip; 807, mounting groove; 808, first connecting seat; 809, first movable plate; 810, second connecting seat; 811, second movable plate; 901, second driving device; 902, through groove; 903, moving block; 904, connecting rod; 905, clamping groove; 906, acrylic protective door; 10, support rod; 11, top plate; 12, detection device body; 13, rectangular slot for blanking; 14, detection head; 1501, vertical plate; 1502, limiting groove; 1503, limiting block; 1504, fixing rod; 1505, fixing sleeve; 1506, cleaning brush; 1507, scraper. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the application.

[0031] Embodiment: reference Figures 1-6A kind of metal matrix composite hardness detection device shown, including bottom plate 1, the top side of bottom plate 1 is equipped with multiple avoiding holes, multiple avoiding holes are all installed with support leg 2, the top of multiple support legs 2 is installed with workbench 4, the top side of workbench 4 is provided with clamping assembly and protection assembly, the bottom of workbench 4 is installed with support 6, the top of support 6 is installed with motor 7, the output shaft of motor 7 is coaxially installed with first drive device 801 and second drive device 901, the top of workbench 4 is installed with support rod 10, the top of support rod 10 is installed with top plate 11, protection assembly includes second drive device 901 and second bidirectional screw rod, one end of second bidirectional screw rod is installed on second drive device 901, the top side of top plate 11 is equipped with through slot 902, the inner wall of both sides of through slot 902 is equipped with rotating hole, two rotating holes are respectively rotationally connected with the non-threaded end of both ends of second bidirectional screw rod, the inner wall of through slot 902 is slidably connected with two moving blocks 903, the side of two moving blocks 903 is equipped with threaded hole, two threaded holes are respectively screwed with the surface of second bidirectional screw rod, the top side of two moving blocks 903 is installed with connecting rod 904, the top side of workbench 4 is equipped with clamping groove 905, the end of two connecting rods 904 away from moving block 903 is installed with acrylic protective door 906, the bottom side of two acrylic protective doors 906 is respectively slidably connected with the inner wall of corresponding clamping groove 905.

[0032] Based on the above structure, the protection assembly is provided, the second drive device 901 is arranged, the second bidirectional screw rod can be driven, the movement of the two moving blocks 903 can be driven by the rotation of the second bidirectional screw rod, the movement of the two connecting rods 904 can be driven by the movement of the two moving blocks 903, and the sliding of the two acrylic protective doors in the clamping groove 905 is further driven, so that the worker is protected during detection, the second drive device 901 and the first drive device 801 have the same structure, and both include two pulleys and a belt.

[0033] As shown in Figure 2 and 3 The clamping assembly includes first drive device 801 and first bidirectional screw rod 803, one end of first bidirectional screw rod 803 is installed on first drive device 801, the top side of workbench 4 is equipped with two sliding grooves 802, the inner wall of two sliding grooves 802 is slidably connected with two sliding blocks 804, the side of multiple sliding blocks 804 is equipped with threaded hole, multiple threaded holes are respectively screwed with the surface of corresponding two first bidirectional screw rods 803, the inner wall of two sliding grooves 802 is equipped with rotating hole, multiple rotating holes are respectively rotationally connected with the non-threaded section of both ends of corresponding two first bidirectional screw rods 803, the movement of two first bidirectional screw rods 803 can be driven by the first drive device 801 arranged, so that the two clamping blocks 805 realize opposite movement or opposite movement, the distance between the two is adjusted, and different sizes of metal materials are adapted.

[0034] As shown in Figure 2 and 3 , the top side of the two sliders 804 is provided with a clamping block 805, the inner wall of the two clamping blocks 805 is provided with an anti-skid strip 806, the inner wall of the two clamping blocks 805 is provided with an adaptive clamping unit, the adaptive clamping unit includes a mounting groove 807, the mounting groove 807 is respectively arranged in the inner wall of the two clamping blocks 805, the inner wall of the two mounting grooves 807 is respectively provided with a transverse clamping unit and a longitudinal clamping unit, the transverse clamping unit includes a second connecting seat 810 mounted with the inner wall of the mounting groove 807, the inner wall of the second connecting seat 810 is rotatably connected with a second movable plate 811, the longitudinal clamping unit includes a first connecting seat 808 mounted with the inner wall of the mounting groove 807, the inner wall of the first connecting seat 808 is rotatably connected with a first movable plate 809, through the longitudinal clamping unit and the transverse clamping unit arranged on the clamping block 805, the irregular metal material can be adapted, so that the adaptability is better, the longitudinal clamping unit and the transverse clamping unit form an arc, which can make the irregular metal material fit more closely when clamping.

[0035] As shown in Figure 5 and 6 , the workbench 4 is provided with a pressure display 5 on one side, and a discharging rectangular groove 13 is formed on the top side of the workbench 4. The top side of the bottom plate 1 is slidably connected with a collecting box 3, the top side of the top plate 11 is provided with a detection device body 12, the output end of the detection device body 12 is provided with a detection head 14, and the detection device body 12 is provided with a cleaning assembly. The cleaning assembly includes a fixed rod 1504, a fixed sleeve 1505 is sleeved and mounted on the surface of the fixed rod 1504, cleaning brushes 1506 are mounted on the surface of the fixed sleeve 1505, scraping plates 1507 are mounted on one side of the cleaning brushes 1506, and limiting units are arranged at both ends of the fixed rod 1504. The limiting unit includes two vertical plates 1501 mounted on the top side of the workbench 4, limiting grooves 1502 are formed in the opposite surfaces of the two vertical plates 1501, limiting blocks 1503 are slidably connected with the inner walls of the two limiting grooves 1502, and the opposite surfaces of the two limiting blocks 1503 are connected with the two ends of the fixed rod 1504. The cleaning assembly is arranged, and when the detection device body 12 is pressed, the fixed rod 1504 is driven to descend, and then the fixed sleeve 1505 on the fixed rod 1504 drives the cleaning brushes 1506 to descend together. Through the descending movement of the cleaning brushes 1506, the two acrylic protective doors 906 can be wiped, and the dust and impurities after cleaning can be scraped off together with the scraping plates 1507, so that the acrylic protective door 906 remains clean and facilitates observation and detection.

[0036] A metal matrix composite hardness detection method, the method comprises:

[0037] S1: firstly, the movement of the two first bidirectional screws 803 is driven by the first driving device 801, so that the two clamping blocks 805 realize opposite movement or opposite movement, realize the distance adjustment between the two, adapt to different sizes of metal materials, through the longitudinal clamping unit and the transverse clamping unit arranged on the clamping block 805, the irregular metal material can be adapted, so that the adaptability is better;

[0038] S2: while clamping is fixed, the second driving device 901 is driven by the motor 7, the second bidirectional screw can be driven, the movement of the two moving blocks 903 can be driven through the rotation of the second bidirectional screw, the movement of the two connecting rods 904 can be driven through the movement of the two moving blocks 903, and then the sliding of the two acrylic protective doors in the slot 905 is driven, so that the workers are protected during detection;

[0039] S3: after clamping and protection work is done, detection is started, the detection head 14 is driven to press down by the detection device body 12, pressure is applied, the fixed rod 1504 is driven to descend while the detection device body 12 descends, and then the fixed sleeve 1505 on the fixed rod 1504 drives the cleaning brush 1506 to descend together, the acrylic protective door 906 can be wiped through the descending movement of the cleaning brush 1506, and the dust and impurities after cleaning can be scraped off together with the scraper 1507, so that the acrylic protective door 906 remains clean and facilitates observation of the detection condition.

[0040] The working principle of the application is as follows:

[0041] S1: firstly, the movement of the two first bidirectional screws 803 is driven by the first driving device 801, so that the two clamping blocks 805 realize opposite movement or opposite movement, realize the distance adjustment between the two, adapt to different sizes of metal materials, through the longitudinal clamping unit and the transverse clamping unit arranged on the clamping block 805, the irregular metal material can be adapted, so that the adaptability is better;

[0042] S2: while clamping is fixed, the second driving device 901 is driven by the motor 7, the second bidirectional screw can be driven, the movement of the two moving blocks 903 can be driven through the rotation of the second bidirectional screw, the movement of the two connecting rods 904 can be driven through the movement of the two moving blocks 903, and then the sliding of the two acrylic protective doors in the slot 905 is driven, so that the workers are protected during detection;

[0043] S3: after the clamping and protection work is done well, start detection, when detecting, the detection head 14 is driven to press down by the detection device body 12, pressure is applied, while the detection device body 12 is lowered, the fixed rod 1504 is driven to descend, and then the fixed sleeve 1505 on the fixed rod 1504 drives the cleaning brush 1506 to descend together, through the descending movement of the cleaning brush 1506, the two acrylic protective doors 906 can be wiped, and cooperating with the scraper 1507, the dust and impurities after cleaning can be scraped together, so that the acrylic protective door 906 remains clean, and the observation and detection condition is convenient.

[0044] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hardness testing device for metal matrix composite materials, comprising a base plate (1), wherein a plurality of clearance holes are provided on the top side of the base plate (1), and a support leg (2) is installed in each of the plurality of clearance holes, characterized in that: A worktable (4) is mounted on the top of each of the multiple support legs (2). A clamping assembly and a protective assembly are provided on the top side of the worktable (4). A bracket (6) is mounted on the bottom side of the worktable (4). A motor (7) is mounted on the top side of the bracket (6). A first drive device (801) and a second drive device (901) are coaxially mounted on the output shaft of the motor (7). A support rod (10) is mounted on the top side of the worktable (4). A top plate (11) is mounted on the top of the support rod (10). The protective assembly includes a second drive device (901) and a second bidirectional lead screw. One end of the second bidirectional lead screw is mounted on the second drive device (901). A through groove (902) is opened on the top side of the top plate (11). Rotating holes are provided on both sides of the inner wall of the through groove (902). The two rotating holes are respectively rotatably connected to the two non-threaded ends of the second bidirectional lead screw. Two moving blocks (903) are slidably connected to the inner wall of the through groove (902). Threaded holes are provided on one side of the two moving blocks (903). The two threaded holes are respectively screwed to the surface of the second bidirectional lead screw. Connecting rods (904) are installed on the top side of the two moving blocks (903). Slots (905) are provided on the top side of the worktable (4). Acrylic protective doors (906) are installed on the ends of the two connecting rods (904) away from the moving blocks (903). The bottom sides of the two acrylic protective doors (906) are slidably connected to the inner wall of the corresponding slots (905). The clamping assembly includes a first driving device (801) and a first bidirectional lead screw (803). One end of the first bidirectional lead screw (803) is mounted on the first driving device (801). Two slide grooves (802) are opened on the top side of the worktable (4). Two sliders (804) are slidably connected to the inner walls of the two slide grooves (802). A threaded hole is opened on one side of each of the sliders (804). The threaded holes are respectively screwed to the surfaces of the corresponding two first bidirectional lead screws (803). A rotating hole is opened on the inner wall of each of the two slide grooves (802). The rotating holes are respectively rotatably connected to the non-threaded sections at both ends of the corresponding two first bidirectional lead screws (803). A clamping block (805) is installed on the top side of each of the two sliders (804), and an anti-slip strip (806) is installed on the inner wall of each of the two clamping blocks (805). An adaptive clamping unit is provided on the inner wall of each of the two clamping blocks (805). A pressure display (5) is installed on one side of the workbench (4), a rectangular groove (13) for feeding is opened on the top side of the workbench (4), a collection box (3) is slidably connected to the top side of the bottom plate (1), a detection device body (12) is installed on the top side of the top plate (11), a detection head (14) is installed at the output end of the detection device body (12), and a cleaning component is provided on the detection device body (12). The cleaning assembly includes a fixed rod (1504), a fixed sleeve (1505) is sleeved on the surface of the fixed rod (1504), a cleaning brush (1506) is installed on the surface of the fixed sleeve (1505), a scraper (1507) is installed on one side of the cleaning brush (1506), and limit units are provided at both ends of the fixed rod (1504).

2. The metal matrix composite material hardness testing device according to claim 1, characterized in that: The adaptive clamping unit includes a mounting groove (807), which is respectively opened on the inner wall of the two clamping blocks (805). The inner wall of the two mounting grooves (807) is provided with a transverse clamping unit and a longitudinal clamping unit.

3. The metal matrix composite material hardness testing device according to claim 2, characterized in that: The transverse clamping unit includes a second connecting seat (810) installed on the inner wall of the mounting groove (807), and a second movable plate (811) is rotatably connected to the inner wall of the second connecting seat (810).

4. The metal matrix composite material hardness testing device according to claim 3, characterized in that: The longitudinal clamping unit includes a first connecting seat (808) installed on the inner wall of the mounting groove (807), and a first movable plate (809) is rotatably connected to the inner wall of the first connecting seat (808).

5. The metal matrix composite material hardness testing device according to claim 4, characterized in that: The limiting unit includes two vertical plates (1501) installed on the top side of the workbench (4). Each of the two vertical plates (1501) has a limiting groove (1502) on its opposite surface. Each of the two limiting grooves (1502) has a limiting block (1503) slidably connected to its inner wall. The opposite surfaces of the two limiting blocks (1503) are connected to both ends of the fixing rod (1504).

6. A method for testing the hardness of a metal matrix composite material using a metal matrix composite material hardness testing device according to any one of claims 1-5, characterized in that: The method includes: S1: First, by driving the movement of the two first bidirectional lead screws (803) through the first driving device (801), the two clamping blocks (805) can move towards each other or away from each other, thereby adjusting the distance between them and adapting to metal materials of different sizes. Through the longitudinal clamping unit and the transverse clamping unit set on the clamping block (805), it can adapt to irregular metal materials, making it more adaptable. S2: While clamping and fixing, the motor (7) drives the second drive device (901), which can drive its second bidirectional lead screw. Through the rotation of the second bidirectional lead screw, the movement of the two moving blocks (903) can be driven. Through the movement of the two moving blocks (903), the movement of the two connecting rods (904) can be driven, thereby driving the two acrylic protective doors to slide inside the slot (905), so as to protect the staff during the inspection. S3: After the clamping and protection work is completed, the test begins. During the test, the test head (14) is pressed down by the test device body (12) to apply pressure. At the same time as the test device body (12) descends, the fixed rod (1504) descends, which in turn drives the fixed sleeve (1505) on the fixed rod (1504) to drive the cleaning brush (1506) to descend together. Through the descent of the cleaning brush (1506), the two acrylic protective doors (906) can be wiped clean. With the help of the scraper (1507), the dust and impurities after cleaning can be scraped off, so that the acrylic protective doors (906) are kept clean and the test status can be observed.

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