Hardness detection device

Abstract

The utility model relates to a hardness detection device, which comprises an L-shaped plate body, and further comprises an electric telescopic cylinder, a detection device, a detection device and a control device, the electric telescopic cylinder is mounted at the top end of the L-shaped plate body, and the bottom of the electric telescopic cylinder penetrates through the L-shaped plate body; the electric telescopic cylinder is fixed at the bottom of the detection ball, the hardness detection mechanism is fixed at the bottom of the electric telescopic cylinder, the hardness detection mechanism comprises a transparent protective cover body, and the electric telescopic cylinder is fixed at the top of the transparent protective cover body, the bottom of each detection ball can be provided with a groove through combination of the detection balls, the grooves and the pressure sensors, and the pressure sensors are arranged in the grooves. The pressure sensor is combined with the detection balls, the detection mechanism and the pressure monitoring mechanism are integrally arranged, the external space is not occupied, the current extrusion pressure can be monitored in real time in the process that the multiple detection balls conduct extrusion hardness detection on different parts, a worker can control the pressure in real time, and the working efficiency is improved. And the situation that the part is excessively extruded due to the fact that the extrusion pressure is too large is avoided.

Description

Technical Field

[0001] The utility model relates to the field of parts hardness detection, in particular to a hardness detection device. Background Art

[0002] The hardness test of mechanical parts is often measured by the Brinell hardness of the parts. The principle of Brinell hardness measurement is to use a certain test force to press a steel ball or a carbide ball into the surface of the metal being tested, maintain the test force for a specified time, remove the test force, measure the average diameter of the indentation with a reading microscope, and then calculate the Brinell hardness HB value according to the formula.

[0003] According to the published patent 202210791885.6, a finished hardness detection device for mechanical parts includes a detection frame and a drive seat. The drive seat is fixedly connected to the top of the detection frame, and a drive module is fixedly installed on the bottom end of the drive seat. An extrusion seat and an observation mirror are fixedly installed on the bottom end of the drive module. The extrusion seat is located on one side of the observation mirror. A horizontal component is provided at the front end of the detection frame. Through the setting of the horizontal component, the material only needs to be placed in the horizontal component. The horizontal component can make the flat surface of the material face the extrusion seat according to the different forms of the material, and fix the uneven surface at the same time, so that during the extrusion process, the flat surface of the material can be directly extruded, realizing the function of directly performing hardness detection without grinding the material flat, which greatly reduces The energy and time required for pre-processing are reduced. In the process of realizing the utility model, the inventor found that at least the following problems in the prior art have not been solved. Although the horizontal component is set up, the material only needs to be placed in the horizontal component. The horizontal component can make the flat surface of the material contact with the extrusion seat according to the different forms of the material, and fix the uneven surface at the same time, so that during the extrusion process, the flat surface of the material can be directly extruded, and the function of hardness testing can be directly performed without grinding the material flat, which greatly reduces the energy and time required for pre-processing. However, during use, the traditional hardness testing device has the problem of over-extrusion of the parts when testing the parts, resulting in the splashing of the parts and affecting the staff. For this reason, it is necessary to design a new technical solution to solve it. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a hardness testing device to solve the technical problem that the current traditional hardness testing device, when testing parts, over-extrudes the parts, causing the debris of the parts to splash and affect the staff.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: design a hardness detection device, including an L-shaped plate body, and also including:

[0006] An electric telescopic cylinder is installed on the top of the L-shaped plate, and the bottom of the electric telescopic cylinder passes through the L-shaped plate;

[0007] A hardness detection mechanism is fixed at the bottom of the electric telescopic cylinder, and the hardness detection mechanism includes a transparent protective cover body, and the electric telescopic cylinder is fixed on the top of the transparent protective cover body;

[0008] A plurality of connecting rods are installed at the top of the transparent protective cover body, and a concave frame plate is fixed at the bottom of the plurality of connecting rods. A detection ball is fixed inside the concave frame plate, a groove is opened at the bottom of the detection ball, a pressure sensor is installed at the top of the groove, and a card block is fixed on the top of the pressure sensor.

[0009] Preferably, the curvature of the clamping block matches the curvature of the bottom of the detection ball.

[0010] Preferably, a detection platform is fixed at the bottom of the L-shaped plate, a square groove is opened on the top of the detection platform, a detection shell is fixed at the bottom end of the square groove, and the bottom of the transparent protective cover is inserted into the gap between the square groove and the detection shell.

[0011] Preferably, a plurality of placement grooves are provided on the top of the detection housing, and first connecting cylinders are fixed on both sides of the plurality of square grooves, and a second connecting cylinder extends into the first connecting cylinder.

[0012] Preferably, a spring is fixed to one end of the second connecting tube located in the first connecting tube, the first connecting tube is fixed to one end of the spring away from the second connecting tube, and an arc-shaped clamping plate is fixed to one end of the second connecting tube away from the first connecting tube.

[0013] Preferably, an industrial control computer is installed on one side of the detection housing, and four corners of the bottom of the detection housing are rotatably connected to rotating wheels.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model, through the combination of detection balls, grooves and pressure sensors, can open a groove at the bottom of each detection ball, and set the pressure sensor in the groove, so as to combine the pressure sensor with the detection ball, and integrate the detection mechanism and the pressure monitoring mechanism without occupying external space. When multiple detection balls perform extrusion hardness detection on different parts, the current extrusion pressure can be monitored in real time, so that the staff can control the pressure in real time, avoiding the situation where the extrusion pressure is too high and the parts are over-extruded, and solves the technical problem that the traditional hardness detection device may over-extrude the parts when detecting the parts, causing the debris of the parts to splash and affect the staff.

[0016] 2. The utility model combines an electric telescopic cylinder, a transparent protective cover body and a square groove, and can use the electric telescopic cylinder to drive the transparent protective cover body and the detection ball to move downward, and the parts are squeezed and detected by the detection ball. During the squeezing and detecting process of the parts, the transparent protective cover body will enter the gap between the detection shell and the square groove, thereby shielding the detection position. The detection mechanism and the shielding mechanism are integrated into one, which can block the flying parts debris and avoid the debris splashing to the staff. At the same time, when the detection mechanism moves upward, the shielding mechanism will also move upward, so that the parts can be easily taken out, which solves the technical problem that the traditional hardness testing device may excessively squeeze the parts when testing the parts, causing the debris of the parts to splash and affect the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is an internal view of the transparent protective cover of the utility model;

[0019] Figure 3 This is a schematic diagram of the square groove structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the top view structure of the placement slot of the utility model.

[0021] In the figure: 1. detection platform; 101. L-shaped plate; 102. rotating wheel; 103. industrial computer; 2. square groove; 201. transparent protective cover; 202. electric telescopic cylinder; 203. connecting rod; 204. concave frame plate; 205. detection ball; 206. groove; 207. pressure sensor; 208. block; 3. detection shell; 301. placement groove; 302. first connecting cylinder; 303. spring; 304. second connecting cylinder; 305. arc-shaped card plate. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Embodiment 1: A hardness testing device, see Figures 1 to 4, including an L-shaped plate body 101, and also including: an electric telescopic cylinder 202, which is installed at the top of the L-shaped plate body 101, and the bottom of the electric telescopic cylinder 202 passes through the L-shaped plate body 101; a hardness detection mechanism, which is fixed at the bottom of the electric telescopic cylinder 202, and the hardness detection mechanism includes a transparent protective cover body 201, and the electric telescopic cylinder 202 is fixed on the top of the transparent protective cover body 201; a plurality of connecting rods 203 are installed at the top of the transparent protective cover body 201, and a concave frame plate 204 is fixed at the bottom of the plurality of connecting rods 203, and a detection ball 205 is fixed inside the concave frame plate 204, and a groove 206 is opened at the bottom of the detection ball 205, and a pressure sensor 207 is installed at the top of the groove 206, and a block 208 is fixed on the top of the pressure sensor 207. First, multiple parts are placed in multiple placement slots 301 of the detection shell 3 respectively. When it is necessary to perform hardness detection on the parts, the electric telescopic cylinder 202 is opened, and after The electric telescopic cylinder 202 drives the transparent protective cover body 201 to move downward, and the transparent protective cover body 201 drives multiple connecting rods 203 and the detection ball 205 to move downward, so that multiple parts are squeezed respectively by multiple detection balls 205, and the test force is removed after maintaining for a specified time, and the average diameter of the indentation is measured with a reading microscope, and then the Brinell hardness HB value is calculated according to the formula. Since a groove 206 and a pressure sensor 207 are provided in the detection ball 205, during the squeezing process of the detection ball 205, after the block 208 is squeezed, the pressure sensor 207 can detect the current real-time pressure value, so that the staff can control the pressure in real time, avoiding excessive squeezing pressure, resulting in excessive squeezing of parts, and solving the technical problem that the traditional hardness testing device has excessive squeezing of parts during part testing, resulting in splashing of part debris and affecting the staff.

[0024] Specifically, the curvature of the block 208 matches the curvature of the bottom of the detection ball 205 .

[0025] For further information, see Figure 1 and Figure 3A detection platform 1 is fixed at the bottom of the L-shaped plate 101, and a square groove 2 is opened on the top of the detection platform 1. A detection shell 3 is fixed at the bottom end of the square groove 2. The bottom of the transparent protective cover 201 is inserted into the gap between the square groove 2 and the detection shell 3. When the electric telescopic cylinder 202 drives the transparent protective cover 201 and the detection ball 205 to move downward, the parts can be squeezed and tested through the detection ball 205. During the squeezing test of the parts, the transparent protective cover 201 will enter the gap between the detection shell 3 and the square groove 2, thereby shielding the detection position. The detection mechanism and the shielding mechanism are integrated to block the flying parts debris and avoid the debris splashing to the staff. At the same time, when the detection mechanism moves up, the shielding mechanism will also move up together, so that the parts can be easily taken out, which solves the technical problem that the traditional hardness testing device has the problem of excessive squeezing of the parts during the part testing, resulting in the splashing of the parts debris and affecting the staff.

[0026] It is worth noting that see Figure 4 A plurality of placement grooves 301 are provided on the top of the detection shell 3 , and first connecting tubes 302 are fixed on both sides of the plurality of square grooves 2 , and a second connecting tube 304 extends into the first connecting tube 302 .

[0027] It is worth noting that see Figure 4 A spring 303 is fixed to one end of the second connecting tube 304 located in the first connecting tube 302, and the first connecting tube 302 is fixed to the end of the spring 303 away from the second connecting tube 304. An arc-shaped clamping plate 305 is fixed to the end of the second connecting tube 304 away from the first connecting tube 302. After the parts are placed in the placement groove 301, the elastic force of the spring 303 in the first connecting tube 302 can drive the second connecting tube 304 and the arc-shaped clamping plate 305 to move, thereby clamping parts of different sizes.

[0028] It is worth emphasizing that see Figure 1 An industrial control computer 103 is installed on one side of the detection housing 3, and four corners of the bottom of the detection housing 3 are rotatably connected to wheels 102.

[0029] When using a hardness testing device, firstly, multiple parts are placed in multiple placement grooves 301 of the testing shell 3 respectively. When the parts need to be tested for hardness, the electric telescopic cylinder 202 is turned on, and the transparent protective cover body 201 is driven downward by the electric telescopic cylinder 202. The transparent protective cover body 201 will drive multiple connecting rods 203 and the testing ball 205 to move downward, so that the multiple parts are squeezed by the multiple testing balls 205 respectively. After maintaining for a specified time, the test force is removed, and the average diameter of the indentation is measured with a reading microscope. Then, the Brinell hardness HB value is calculated according to the formula. Since the groove 206 and the pressure sensor 207 are provided in the testing ball 205, during the squeezing process of the testing ball 205, the block 208 is squeezed, and the pressure The sensor 207 can detect the current real-time pressure value, so that the staff can control the pressure in real time, avoiding excessive extrusion pressure and excessive extrusion of parts. When the electric telescopic cylinder 202 drives the transparent protective cover body 201 and the detection ball 205 to move downward, the parts can be squeezed and detected through the detection ball 205. During the part extrusion detection process, the transparent protective cover body 201 will enter the gap between the detection shell 3 and the square groove 2, thereby blocking the detection position. The detection mechanism and the shielding mechanism are integrated into one, which can block the flying parts debris and avoid the debris splashing to the staff. At the same time, when the detection mechanism moves up, the shielding mechanism will also move up together, so that the parts can be easily removed.

[0030] In addition, the components designed in the present invention are all universal standard parts or components known to technical personnel in the field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in the field, and there is no need to elaborate. The content protected by the present invention does not involve improvements to internal structures and methods.

[0031] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A hardness testing device, comprising an L-shaped plate (101), characterized in that: Also includes: An electric telescopic cylinder (202) is mounted on the top of the L-shaped plate (101), and the bottom of the electric telescopic cylinder (202) passes through the L-shaped plate (101); A hardness detection mechanism is fixed at the bottom of the electric telescopic cylinder (202), wherein the hardness detection mechanism comprises a transparent protective cover body (201), and the electric telescopic cylinder (202) is fixed on the top of the transparent protective cover body (201); A plurality of connecting rods (203) are installed at the top end of the transparent protective cover body (201), and a concave frame plate (204) is fixed at the bottom of each of the connecting rods (203). A detection ball (205) is fixed inside the concave frame plate (204), a groove (206) is provided at the bottom of the detection ball (205), a pressure sensor (207) is installed at the top end of the groove (206), and a clamping block (208) is fixed at the top of the pressure sensor (207).

2. A hardness testing device as claimed in claim 1, characterized in that: The curvature of the clamping block (208) matches the curvature of the bottom of the detection ball (205).

3. A hardness testing device as claimed in claim 1, characterized in that: A detection platform (1) is fixed at the bottom of the L-shaped plate (101), a square groove (2) is provided at the top of the detection platform (1), a detection shell (3) is fixed at the bottom end of the square groove (2), and the bottom of the transparent protective cover (201) is inserted into the gap between the square groove (2) and the detection shell (3).

4. A hardness testing device as claimed in claim 3, characterized in that: The top of the detection housing (3) is provided with a plurality of placement grooves (301), and first connecting tubes (302) are fixed on both sides of the plurality of square grooves (2), and a second connecting tube (304) extends into the first connecting tube (302).

5. A hardness testing device as claimed in claim 4, characterized in that: A spring (303) is fixed to one end of the second connecting tube (304) located inside the first connecting tube (302); the first connecting tube (302) is fixed to one end of the spring (303) away from the second connecting tube (304); and an arc-shaped clamping plate (305) is fixed to one end of the second connecting tube (304) away from the first connecting tube (302).

6. A hardness testing device as claimed in claim 3, characterized in that: An industrial control computer (103) is installed on one side of the detection housing (3), and four corners of the bottom of the detection housing (3) are rotatably connected to rotating wheels (102).

Images