Laser non-contact nut hardness testing device

Abstract

The utility model discloses a laser non-contact nut hardness testing device, which relates to the technical field of laser non-contact hardness testing and comprises a base, a fixing frame is fixedly mounted at the top of the base, and a hardness testing machine body is fixedly mounted at the top of the fixing frame. An automatic feeding assembly and a returned material sorting assembly are arranged between the base and the hardness testing machine body; according to the technical scheme provided by the utility model, the automatic feeding assembly is arranged, specifically, the nuts to be tested are stacked in the vertical cylinder one by one, then the conveying belt drives the shifting block on the soft magnetic attraction piece to push out the nuts to be tested at the bottommost part of the vertical cylinder, the nuts are attracted by the soft magnetic attraction piece, and then the nuts are moved to the lower part of the hardness testing machine body for testing; and automatic feeding work is achieved, and the portability of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser non-contact hardness testing, in particular to a laser non-contact nut hardness testing device. Background Technique

[0002] Laser non-contact hardness testing is a method of surface hardness testing using laser technology. In laser non-contact hardness testing, by focusing the laser on the surface of the material to be tested, the laser beam will cause small deformations or shape changes on the surface. The size and shape of this deformation depend on the hardness of the material to be tested. By measuring the image or data after this deformation, information about the surface hardness of the material can be inferred. Using a laser non-contact hardness testing device to test the hardness of nuts has the advantages of non-contact, high precision, rapidity, etc., which can bring convenience and benefits to the nut hardness testing work.

[0003] Currently, when performing laser non-contact nut hardness testing on nuts, it is usually necessary to manually place the nuts under the laser test head. The manual method is inefficient and not conducive to continuous testing, so improvements are needed. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a laser non-contact nut hardness testing device to solve the problem that when performing laser non-contact nut hardness testing on nuts in the prior art, it is usually necessary to manually place the nuts under the laser test head, and the manual method is inefficient and not conducive to continuous testing.

[0005] In view of this, the utility model provides a laser non-contact nut hardness testing device, including a base, a fixing frame is fixedly installed on the top of the base, a hardness testing machine body is fixedly installed on the top of the fixing frame, and an automatic feeding component and a discharging and sorting component are arranged between the base and the hardness testing machine body;

[0006] The automatic feeding component includes a conveyor belt, a plurality of soft magnetic attraction sheets, a dial block, a vertical cylinder and a discharging port. The conveyor belt is fixedly installed on the top of the base, and a plurality of the soft magnetic attraction sheets are fixedly connected to the surface of the conveyor belt body. The dial block is fixedly connected to one side edge of the soft magnetic attraction sheet. The vertical cylinder is fixedly installed on the top of one end of the conveyor belt, and the discharging port is opened on one side at the bottom of the vertical cylinder.

[0007] Optionally, the interval between every two of the plurality of soft magnetic attraction sheets is 1 / 4 of the circumference of the conveyor belt body.

[0008] Optionally, a notch matching the width of the dial block is opened at the bottom of the vertical cylinder.

[0009] Optionally, the discharging and sorting component includes a discharging hopper, a guiding plate, a connecting rod, an electric telescopic rod, and a slotted opening. The discharging hopper is fixedly installed at one end of the conveyor belt. One end of the guiding plate is rotatably connected to one end of the discharging hopper. One end of the connecting rod is fixedly connected to the bottom of the rotating shaft at the connection of the guiding plate and the discharging hopper. The electric telescopic rod is movably installed at the bottom of the discharging hopper. The slotted opening is formed at one end of the discharging hopper.

[0010] Optionally, the inner included angle between the discharging hopper and the base is 40-45 degrees.

[0011] Optionally, one end of the electric telescopic rod is rotatably connected to the bottom of the discharging hopper, and the other end of the electric telescopic rod is rotatably connected to one end of the connecting rod.

[0012] Optionally, the shape of the slotted opening matches the shape of the dial block.

[0013] As can be seen from the above technical solutions, the embodiments of the present utility model have the following advantages:

[0014] 1. For the laser non-contact nut hardness testing device of the present utility model, by setting up an automatic feeding component, specifically, the nuts to be tested are stacked one by one in the vertical cylinder, and then the conveyor belt drives the dial block on the soft magnetic sheet to push out the nut to be tested at the bottom of the vertical cylinder and suck it with the soft magnetic sheet, and then move it under the hardness testing machine body for testing work, realizing automatic feeding work and improving the portability of the device.

[0015] 2. For the laser non-contact nut hardness testing device of the present utility model, by setting up a discharging and sorting component, specifically, after the nut to be tested is tested, according to the data measured by the hardness testing machine body, then the electric telescopic rod is used to push or pull the connecting rod to adjust the direction of the guiding plate, so that the guiding plate guides the qualified or unqualified nuts to be tested respectively, thereby distinguishing the good and bad of the tested nuts and improving the automation degree of the device.

[0016] These features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following further describes the present utility model with reference to the drawings:

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the vertical cylinder of the present utility model;

[0020] Figure 3 is a schematic top view of the discharging and sorting component of the present utility model;

[0021] Figure 4This is a schematic diagram of the bottom structure of the unloading and sorting component of the present utility model.

[0022] Explanation of reference numerals: 1, base; 2, fixing frame; 3, hardness tester body; 401, conveyor belt; 402, soft magnetic attraction sheet; 403, dial block; 404, vertical cylinder; 405, discharge port; 501, unloading hopper; 502, guiding plate; 503, connecting rod; 504, electric telescopic rod; 505, slot. Specific implementation mode

[0023] The technical solutions of the embodiments of the present utility model will be explained and described below with reference to the accompanying drawings of the embodiments of the present utility model. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all fall within the protection scope of the present utility model.

[0024] The laser non-contact nut hardness testing device of the embodiments of the present utility model will be specifically described below with reference to the accompanying drawings.

[0025] Embodiment 1

[0026] For ease of understanding, please refer to Figures 1 to 4 , an embodiment of the laser non-contact nut hardness testing device provided by the present utility model, including a base 1, a fixing frame 2 fixedly installed on the top of the base 1, a hardness tester body 3 fixedly installed on the top of the fixing frame 2, and an automatic feeding component and an unloading and sorting component are arranged between the base 1 and the hardness tester body 3;

[0027] It should be noted that the hardness tester body 3 is a laser non-contact hardness tester. A laser non-contact hardness tester is a device that uses laser technology for hardness testing. It usually includes the following main components and functions: Laser system: Responsible for generating high-energy and highly focused laser beams, applying a certain load on the surface of the object to be tested, and measuring the deformation amount; Optical system: Used to observe the deformation generated when the laser irradiates the surface of the object to be tested and capture relevant data. The optical system usually includes an optical microscope and related optoelectronic devices; Mechanical components: Responsible for moving the laser and the optical system, adjusting the test position and parameters; Control system: Used to control the parameters of the laser system, such as the size of the light spot, the energy of the light beam, etc., and the motion control of the mechanical components; Data processing system: Used to process, analyze and store the data obtained from the optical system, and calculate the hardness value of the object to be tested.

[0028] The automatic feeding assembly includes a conveyor belt 401, a plurality of soft magnetic suction sheets 402, a shifting block 403, a vertical cylinder 404 and a discharge port 405. The conveyor belt 401 is fixedly installed on the top of the base 1. A plurality of soft magnetic suction sheets 402 are fixedly connected to the surface of the conveyor belt 401. The shifting block 403 is fixedly connected to one side edge of the soft magnetic suction sheet 402. The vertical cylinder 404 is fixedly installed on the top of one end of the conveyor belt 401. The discharge port 405 is opened on one side of the bottom of the vertical cylinder 404. The interval between every two of the plurality of soft magnetic suction sheets 402 is 1 / 4 of the perimeter of the conveyor belt 401. A notch matching the width of the shifting block 403 is opened at the bottom of the vertical cylinder 404.

[0029] It should be noted that by providing the vertical cylinder 404 for stacking the nuts to be tested and providing the conveyor belt 401 for driving the nuts to be tested to move below the hardness tester body 3 for testing. After the nuts to be tested are stacked one by one in the vertical cylinder 404, the conveyor belt 401 works to drive the shifting block 403 on the soft magnetic suction sheet 402 to push out the nut to be tested at the bottom of the vertical cylinder 404 from the discharge port 405, so that it falls onto the soft magnetic suction sheet 402, and the soft magnetic suction sheet 402 is used to suck the nut to be tested, and then it moves below the hardness tester body 3 for testing work, realizing the automatic feeding work.

[0030] Embodiment 2

[0031] In some embodiments, such as Figure 1 , Figure 3 , Figure 4 As shown, the material discharging and sorting assembly includes a material discharging hopper 501, a guiding plate 502, a connecting rod 503, an electric telescopic rod 504 and a slotted opening 505. The material discharging hopper 501 is fixedly installed at one end of the conveyor belt 401. One end of the guiding plate 502 is rotatably connected to one end of the material discharging hopper 501. One end of the connecting rod 503 is fixedly connected to the bottom of the rotating shaft at the connection between the guiding plate 502 and the material discharging hopper 501. The electric telescopic rod 504 is movably installed at the bottom of the material discharging hopper 501. The slotted opening 505 is opened at one end of the material discharging hopper 501. The inner included angle between the material discharging hopper 501 and the base 1 is 40 - 45 degrees. One end of the electric telescopic rod 504 is rotatably connected to the bottom of the material discharging hopper 501, and the other end of the electric telescopic rod 504 is rotatably connected to one end of the connecting rod 503. The shape of the slotted opening 505 matches the shape of the shifting block 403.

[0032] It should be noted that by installing a discharge hopper 501 and arranging a guide plate 502 inside the discharge hopper 501, and then setting an electric telescopic rod 504 and a connecting rod 503 to drive the guide plate 502 to change its direction. After the nut to be tested is tested, according to the data measured by the hardness tester body 3, the electric telescopic rod 504 is used to push or pull the connecting rod 503 to adjust the direction of the guide plate 502, so that the guide plate 502 guides the qualified or unqualified nuts to be tested respectively, thereby distinguishing the good and bad nuts that have been tested and improving the automation degree of the equipment.

[0033] The electric telescopic rod 504 in the present utility model is a well-known component and will not be elaborated here.

[0034] Working principle: When in use, first stack the nuts to be tested one by one in the vertical cylinder 404, and then the conveyor belt 401 works to drive the block 403 on the soft magnetic attraction sheet 402 to push out the nut to be tested at the bottom of the vertical cylinder 404 from the discharge port 405, so that it falls onto the soft magnetic attraction sheet 402, and the soft magnetic attraction sheet 402 is used to attract the nut to be tested. Then it moves to the lower part of the hardness tester body 3 for testing. After the testing is completed, the conveyor belt 401 will drive the tested nut to continue to move forward to the discharge hopper 501. At the same time, according to the data measured by the hardness tester body 3, the electric telescopic rod 504 is used to push or pull the connecting rod 503 to adjust the direction of the guide plate 502, so that the guide plate 502 guides the qualified or unqualified nuts to be tested respectively, thereby distinguishing the good and bad nuts that have been tested.

[0035] As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. Laser non-contact nut hardness testing device, characterized in that: It includes a base (1), a fixing frame (2) is fixedly installed on the top of the base (1), a hardness tester body (3) is fixedly installed on the top of the fixing frame (2), and an automatic feeding component and a discharging and sorting component are arranged between the base (1) and the hardness tester body (3); The automatic feeding component includes a conveyor belt (401), a plurality of soft magnetic attraction sheets (402), a dialing block (403), a vertical cylinder (404) and a discharging port (405). The conveyor belt (401) is fixedly installed on the top of the base (1), and a plurality of the soft magnetic attraction sheets (402) are fixedly connected to the surface of the conveyor belt (401) body. The dialing block (403) is fixedly connected to one side edge of the soft magnetic attraction sheet (402). The vertical cylinder (404) is fixedly installed on the top of one end of the conveyor belt (401), and the discharging port (405) is opened on one side at the bottom of the vertical cylinder (404).

2. The laser non-contact nut hardness testing device according to claim 1, wherein; The interval between every two of the plurality of soft magnetic attraction sheets (402) is 1 / 4 of the perimeter of the conveyor belt (401) body.

3. The laser non-contact nut hardness testing device according to claim 1, wherein: A notch matching the width of the dialing block (403) is opened at the bottom of the vertical cylinder (404).

4. The laser non-contact nut hardness testing device according to claim 1, wherein: The discharging and sorting component includes a discharging hopper (501), a guiding plate (502), a connecting rod (503), an electric telescopic rod (504) and a slot (505). The discharging hopper (501) is fixedly installed at one end of the conveyor belt (401). One end of the guiding plate (502) is rotatably connected to one end of the discharging hopper (501). One end of the connecting rod (503) is fixedly connected to the bottom of the rotating shaft at the connection between the guiding plate (502) and the discharging hopper (501). The electric telescopic rod (504) is movably installed at the bottom of the discharging hopper (501), and the slot (505) is opened at one end of the discharging hopper (501).

5. The laser non-contact nut hardness testing device according to claim 4, wherein: The inner included angle between the discharging hopper (501) and the base (1) is 40 - 45 degrees.

6. The laser non-contact nut hardness testing device according to claim 4, characterized in that: One end of the electric telescopic rod (504) is rotatably connected to the bottom of the discharging hopper (501), and the other end of the electric telescopic rod (504) is rotatably connected to one end of the connecting rod (503).

7. The laser non-contact nut hardness testing device according to claim 4, wherein: The shape of the slot (505) matches the shape of the dialing block (403).

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