Part surface hardness detection device

Abstract

The utility model discloses a part surface hardness detection device which comprises a detection table, a portal frame, an electric hydraulic cylinder, rollers, a sharp scratch block and a camera, the top of the detection table is fixedly connected with two sliding rods, the front end of the detection table is fixedly connected with a servo motor and a PLC (programmable logic controller), and an output shaft of the servo motor is fixedly connected with a lead screw. The scratch detection device has the beneficial effects that firstly, the servo motor and the electric hydraulic cylinder are matched with each other, so that the sharp scratch block can be driven to carry out scratch detection on a part placed on the detection table, and then the roller, the suspender and the camera are matched with each other, so that the scratch depth can be monitored; therefore, the hardness of the surface of the to-be-detected part can be judged according to the depth of the scratch, the structure is reasonable, operation is convenient, and rapid detection is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially relates to a part surface hardness detection device. BACKGROUND

[0002] In modern mechanical processing manufacturing process, the requirement of part size precision and surface roughness is higher and higher, and most high-precision parts adopt grinding machine to process, so the quality of grinding wheel as grinding tool must be good, and an important index to measure the quality of grinding wheel is its hardness.

[0003] Because the part surface hardness detection needs to adopt manual operation measurement, manual operation needs to adopt sharp instrument to scratch the part surface, and then uses the depth of scratch to measure the depth of scratch, the process is not easy to operate, and the force of scratch cannot be controlled, thereby the rapid measurement is not convenient, so a part surface hardness detection device is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the utility model provides a part surface hardness detection device, and the utility model is realized through the following technical scheme.

[0005] A part surface hardness detection device, including detection table, the top of detection table is fixedly connected with two slide rods, the front end of detection table is fixedly connected with servo motor and PLC controller, the output shaft of servo motor is fixedly connected with lead screw, further including:

[0006] Portal frame, the movable seat is movably connected on the two slide rods through the setting of portal frame,

[0007] Electric hydraulic cylinder, the electric hydraulic cylinder is fixedly connected at the top of portal frame, and the telescopic end of electric hydraulic cylinder is fixedly connected with lifting seat,

[0008] Roller, the roller is rotatably connected with suspender, and the one end of suspender is fixedly connected with limiting block and penetrates lifting seat,

[0009] Sharp scratch block, the top of sharp scratch block is embeddedly connected with pressure sensor,

[0010] Camera, one end of camera is fixedly connected with fixing frame.

[0011] Further, the connecting frame is fixedly connected between the two movable seats, one end of lead screw is connected in connecting frame, and lead screw is threadedly matched with connecting frame.

[0012] Further, the roller is provided with two, and the two rollers are respectively hung below the two ends of lifting seat.

[0013] Further, the sharp scratch block is fixedly connected at the center of the bottom of the lifting seat.

[0014] Further, the camera is provided with two, and the two cameras are fixed on the two ends of the lifting seat through the fixing frame and horizontally aligned with the top of the lifting seat.

[0015] Further, the outer surface of the boom is provided with a scale line.

[0016] Further, the servo motor, the electric hydraulic cylinder, the pressure sensor and the camera are electrically connected with the PLC controller.

[0017] The beneficial effects of the utility model are that, in the working process of the device, the servo motor and the electric hydraulic cylinder are matched to drive the sharp scratch block to detect the scratches on the parts placed on the detection table, the roller, the boom and the camera are matched to monitor the depth of the scratches, the hardness of the surface of the parts to be detected can be judged according to the depth of the scratches, the structure is reasonable, operation is convenient and rapid detection is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the following will briefly introduce the drawings needed to be used in the specific implementation mode, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0019] Figure 1 The utility model discloses a part surface hardness detection device's structural diagram.

[0020] Figure 2 The utility model's side view.

[0021] Figure 3 The utility model electric hydraulic cylinder, roller and sharp scratch block's connection schematic view.

[0022] Figure 4 The utility model sharp scratch block's sectional view.

[0023] The following are the signs of the drawings:

[0024] 1, detection table;11, sliding rod;12, servo motor;121, screw rod;

[0025] 2, gantry;21, movable seat;22, connecting frame;

[0026] 3, electric hydraulic cylinder;31, lifting seat;

[0027] 4, roller; 41, boom; 411, limit block;

[0028] 5, sharp scratch block; 51, pressure sensor;

[0029] 6, camera; 61, fixed frame. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] As shown in the utility model has the following specific embodiments. Figures 1-4

[0032] Embodiment:

[0033] A part surface hardness detection device, it includes detection platform 1, two slide rods 11 are fixedly connected to the top of detection platform 1, servo motor 12 and PLC controller 13 are fixedly connected to the front end of detection platform 1, the output shaft of servo motor 12 is fixedly connected with screw rod 121, further comprising:

[0034] Portal frame 2, portal frame 2 is movably connected on two slide rods 11 by the movable seat 21 arranged;

[0035] Electric hydraulic cylinder 3, electric hydraulic cylinder 3 is fixedly connected to the top of portal frame 2, and the telescopic end of electric hydraulic cylinder 3 is fixedly connected with lifting seat 31;

[0036] Roller 4, boom 41 is rotatably connected to roller 4, and the end of boom 41 movably penetrating lifting seat 31 is fixedly connected with limit block 411;

[0037] Sharp scratch block 5, pressure sensor 51 is embeddedly connected to the top of sharp scratch block 5;

[0038] Camera 6, one end of camera 6 is fixedly connected with fixed frame 61.

[0039] Specifically, connecting frame 22 is fixedly connected between two movable seats 21, one end of screw rod 121 is connected on connecting frame 22, and screw rod 121 is threadedly matched with connecting frame 22, so that screw rod 121 can drive connecting frame 22 to move below detection platform 1, so that connecting frame 22 drives portal frame 2 to move through movable seat 21.

[0040] ​Specific, the roller 4 is provided with two, two rollers 4 are respectively hung below the two ends of the lifting seat 31, can make the roller 4 adhere to the surface of the detection piece and roll, and before detection, the roller 4 is located on the same plane with the bottom of the sharp scratch block 5.

[0041] Specific, the sharp scratch block 5 is fixedly connected at the center position of the bottom of the lifting seat 31, can make the lifting seat 31 drive the connected sharp scratch block 5 to lift.

[0042] Specific, the camera 6 is provided with two, two cameras 6 are respectively fixed on the two ends of the lifting seat 31 through the fixed frame 61, and the two cameras 6 are horizontally aligned with the top of the lifting seat 31, and the setting camera 6 can monitor the suspender 41 on the lifting seat 31.

[0043] Specific, the outer surface of the suspender 41 is provided with a scale line, and the scale line can penetrate the displacement distance of the suspender 41 on the lifting seat 31, and the monitored data is the depth of the scratch, so as to judge the hardness of the surface of the detected part according to the depth of the scratch.

[0044] The servo motor 12, the electric hydraulic cylinder 3, the pressure sensor 51 and the camera 6 are electrically connected with the PLC controller 13, and the setting PLC controller 13 can control the servo motor 12, the electric hydraulic cylinder 3, the pressure sensor 51 and the camera 6 to run respectively.

[0045] The working principle of the utility model:

[0046] When detecting the part to be detected, first, the part is placed on the detection table 1, the servo motor 12, the electric hydraulic cylinder 3, the pressure sensor 51 and the camera 6 are controlled to run by the PLC controller 13, the electric hydraulic cylinder 3 can drive the lifting seat 31 to descend, the lifting seat 31 can drive the connected sharp scratch block 5 to move downwards, at the same time, the servo motor 12 drives the connecting frame 22 to displace through the screw rod 121, the connecting frame 22 drives the gantry 2 to displace through the movable seat 21, so that the gantry 2 drives the connected sharp scratch block 5 to displace, and then the sharp scratch block 5 extrudes and scratches the surface of the part, during the scratching process, the roller 4 hung on the lifting seat 31 is blocked by the part to move, so that the roller 4 drives the suspender 41 to displace on the lifting seat 31, the displacement interval is monitored and detected by the camera 6, at the same time, the setting pressure sensor 51 can detect the intensity of the scratch extrusion, during the process that the scratching intensity remains stable, the greater the displacement value is, the smaller the hardness of the surface of the part is, and vice versa, the structure is reasonable, convenient for automatic detection, and convenient to operate.

[0047] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A device for detecting the surface hardness of a part, comprising a detection table (1), characterized in that, The top of the detection platform (1) is fixedly connected with two slide rods (11), the front end of the detection platform (1) is fixedly connected with a servo motor (12) and a PLC controller (13), the output shaft of the servo motor (12) is fixedly connected with a lead screw (121), and the detection platform further comprises: A portal frame (2) is movably connected to the two slide rods (11) through a movable seat (21); An electric hydraulic cylinder (3) is fixedly connected to the top of the portal frame (2), and the telescopic end of the electric hydraulic cylinder (3) is fixedly connected with a lifting seat (31); A roller (4) is rotatably connected with a boom (41), and the end of the boom (41) that is movably penetrated through the lifting seat (31) is fixedly connected with a limiting block (411); A sharp scratch block (5) is embeddedly connected with a pressure sensor (51) at the top thereof; A camera (6) is fixedly connected with a fixing frame (61) at one end thereof.

2. The device for detecting the surface hardness of a part according to claim 1, characterized in that: Two movable seats (21) are fixedly connected with a connecting frame (22), one end of the lead screw (121) is penetrated through the connecting frame (22), and the lead screw (121) is threadedly matched with the connecting frame (22).

3. The device for detecting the surface hardness of a part according to claim 1, characterized in that: The roller (4) is provided with two rollers (4), and the two rollers (4) are respectively hung below the two ends of the lifting seat (31).

4. The device for detecting the surface hardness of a part according to claim 1, characterized in that: The sharp scratch block (5) is fixedly connected to the center position at the bottom of the lifting seat (31).

5. The device for detecting the surface hardness of a part according to claim 1, characterized in that: The camera (6) is provided with two cameras (6), and the two cameras (6) are respectively fixed on the two ends of the lifting seat (31) through the fixing frame (61), and the two cameras (6) are horizontally aligned with the top of the lifting seat (31).

6. The device for detecting the surface hardness of a part according to claim 1, characterized in that: The outer surface of the boom (41) is provided with a scale line.

7. The device for detecting the surface hardness of a part according to claim 1, characterized in that: The servo motor (12), the electric hydraulic cylinder (3), the pressure sensor (51) and the camera (6) are electrically connected with the PLC controller (13).

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