Automatic descending type Rockwell hardness tester

Abstract

The utility model relates to the technical field of metal hardness measuring instruments, and discloses an automatic descending type Rockwell hardness tester which comprises a machine base, an adjusting mechanism is fixedly mounted at the rear end of the top of the machine base, and the adjusting mechanism comprises a shell; a servo motor is fixedly installed at the lower end of the left side of the shell, and the output end of the servo motor is fixedly connected with a main driving wheel. According to the Rockwell hardness tester, the adjusting mechanism is arranged, the detection table is rotated to adjust the height of the detection table, meanwhile, the servo motor is started to work, the driving belt drives the driving block to move up and down, the lifting block drives the machine head body to move up and down for adjustment, the purpose of stepless height adjustment is achieved, and the distance between the pressing head and the detection table is adjusted to a proper position; then the auxiliary air cylinder is started to stretch out and draw back, the output end of the auxiliary air cylinder drives the pressing head to move downwards through the pressing plate, and therefore the materials on the top of the detection table are detected, and the aim of multi-specification detection is achieved through cooperation of the technologies.

Description

Technical Field

[0001] The utility model relates to the technical field of metal hardness measuring instruments, in particular to an automatic descending Rockwell hardness tester. Background Art

[0002] The Rockwell hardness tester is the first in the world designed according to the Rockwell hardness test principle. It can test the hardness of metals by only contacting the sample on one side. It relies on magnetic force to adsorb the Rockwell hardness tester probe on the steel surface. It does not need to support the sample. It is no less than a desktop Rockwell hardness tester. The Rockwell hardness test method is characterized by simple operation, rapid measurement, and direct reading from a dial indicator or optical projection screen or display screen. Like the Brinell and Vickers hardness test methods, it has become one of the three most commonly used hardness test methods.

[0003] In the existing technology, during the inspection operation, the gap between the inspected workpiece and the pressure head is completed by the up and down movement of the machine head. This inspection method leads to limited specifications of the inspected workpiece. If the up and down movement distance of the machine head is limited, thinner workpieces cannot be inspected, thereby limiting the range of material inspection specifications.

[0004] Therefore, those skilled in the art provide an automatic descending Rockwell hardness tester to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide an automatic descending Rockwell hardness tester to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An automatic descending Rockwell hardness tester comprises a machine base, an adjusting mechanism is fixedly mounted at the rear end of the top of the machine base, and the adjusting mechanism comprises a shell;

[0008] A servo motor is fixedly installed at the lower end of the left side of the shell, and the output end of the servo motor is fixedly connected to a main driving wheel, and the upper end of the left side of the inner cavity of the shell is rotatably connected to a driven wheel, and the outer surfaces of the main driving wheel and the driven wheel are sleeved with a driving belt, and a lifting groove is opened at the upper end of the front side of the shell, and a lifting block is movably connected to the upper end of the inner cavity of the lifting groove, and a driving block is fixedly connected to the back side of the lifting block, and the driving block is drivingly connected to the driving belt, and the front side of the lifting block is fixedly connected to a machine head body, and grooves are opened at the front ends of the left and right sides of the machine head body, and the top of the inner cavity of the groove is fixedly connected to an auxiliary cylinder, and the output end of the auxiliary cylinder is fixedly connected to a pressing plate, and the inner side of the pressing plate is fixedly connected to a pressing head.

[0009] As a further solution of the utility model: the upper ends of the left and right sides of the shell are fixedly connected with slide rails, and the slide rails are movably connected to the left and right sides of the inner surface of the rear end of the head body.

[0010] As a further solution of the utility model: the left and right sides of the driving block are fixedly connected with stabilizing sleeves, the left and right sides of the inner cavity of the shell are fixedly connected with fixing rods, and the fixing rods are inserted into the inner surface of the stabilizing sleeve.

[0011] As a further solution of the utility model: a threaded sleeve is arranged at the front end of the top of the machine base, the inner surface of the threaded sleeve is threadedly connected with a detection platform, and the detection platform is located directly below the pressure head.

[0012] As a further solution of the utility model: a display screen is arranged at the upper end of the front side of the base, and a control key is arranged at the lower end of the front side of the base.

[0013] As a further solution of the utility model: the four corners of the bottom of the base are fixedly connected with support feet, and the bottoms of the support feet are provided with anti-slip pads.

[0014] As a further solution of the utility model: the main driving wheel and the driven wheel are connected through a driving belt transmission, and the driving belt is made of PVC.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model sets an adjustment mechanism. First, the detection table is rotated to adjust its height. At the same time, the servo motor is turned on to make the drive belt drive the drive block to move up and down, and the lifting block drives the head body to move up and down to achieve the purpose of stepless height adjustment. The distance between the pressure head and the detection table is adjusted to a suitable position, and then the auxiliary cylinder is turned on to extend and retract. The output end of the auxiliary cylinder drives the pressure head to move downward through the pressing plate, thereby performing detection operations on the material on the top of the detection table. Through the cooperation of the above technologies, the purpose of multi-specification detection is achieved.

[0017] 2. The utility model sets a slide rail. When the machine head body moves up and down, the slide rail can limit the up and down linear motion of the machine head body and further increase its operation stability. By setting a stabilizing sleeve and a fixing rod, when the driving belt rotates, the driving block is driven to move up and down. At the same time, the fixing rod stabilizes the operation of the driving block through the stabilizing sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an automatic descending Rockwell hardness tester;

[0019] Figure 2 It is a structural schematic diagram of an automatic descending Rockwell hardness tester without a machine head body;

[0020] Figure 3 It is a schematic diagram of the structure of an automatic descending Rockwell hardness tester in a rear section state of the shell;

[0021] Figure 4 It is a left-view structural schematic diagram of an automatic descending Rockwell hardness tester;

[0022] Figure 5 This is a schematic diagram of the structure of an automatic descending Rockwell hardness tester when viewed from the bottom left.

[0023] In the figure: 1. machine base; 2. adjustment mechanism; 201. slide rail; 202. machine head body; 203. shell; 204. servo motor; 205. lifting block; 206. lifting slot; 207. drive block; 208. stabilizing sleeve; 209. fixing rod; 210. main driving wheel; 211. driven wheel; 212. groove; 213. auxiliary cylinder; 214. pressing plate; 215. pressing head; 216. driving belt; 3. testing table; 4. display screen; 5. control key; 6. supporting foot; 7. threaded sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] See also Figure 1-5 , an automatic descending Rockwell hardness tester, comprising a base 1, an adjusting mechanism 2 is fixedly mounted at the rear end of the top of the base 1, and the adjusting mechanism 2 comprises a housing 203;

[0026] A servo motor 204 is fixedly installed at the lower end of the left side of the shell 203, and the output end of the servo motor 204 is fixedly connected to the main driving wheel 210, and the upper end of the left side of the inner cavity of the shell 203 is rotatably connected to the driven wheel 211, and the outer surfaces of the main driving wheel 210 and the driven wheel 211 are sleeved with a driving belt 216. A lifting groove 206 is opened at the upper end of the front side of the shell 203, and a lifting block 205 is movably connected to the upper end of the inner cavity of the lifting groove 206. The back of the lifting block 205 is fixedly connected to the driving block 207, and the driving block 207 is transmission-connected with the driving belt 216. The front side of the lifting block 205 is fixedly connected to the machine head body 202, and grooves 212 are opened at the front ends on both sides of the left and right sides of the machine head body 202. The top of the inner cavity of the groove 212 is fixedly connected to the auxiliary cylinder 213, and the output end of the auxiliary cylinder 213 is fixedly connected to the pressing plate 214, and the inner side of the pressing plate 214 is fixedly connected to the pressing head 215.

[0027] Through the above technical scheme, by setting the adjustment mechanism 2, first rotate the detection table 3 to adjust its height, and at the same time start the servo motor 204 to work, so that the driving belt 216 drives the driving block 207 to move up and down, and the lifting block 205 drives the head body 202 to move up and down to achieve the purpose of stepless height adjustment, and adjust the distance between the pressure head 215 and the detection table 3 to a suitable position, and then start the auxiliary cylinder 213 to extend and retract, and the output end of the auxiliary cylinder 213 drives the pressure head 215 to move downward through the pressing plate 214, so as to detect the material on the top of the detection table 3.

[0028] Specifically, the upper ends of the left and right sides of the shell 203 are fixedly connected with the slide rails 201, and the slide rails 201 are movably connected to the left and right sides of the inner surface of the rear end of the head body 202.

[0029] Through the above technical solution, by setting the slide rail 201, when the head body 202 moves up and down, the slide rail 201 can limit the up and down linear movement of the head body 202, and further increase its operating stability.

[0030] Specifically, the left and right sides of the driving block 207 are fixedly connected with stabilizing sleeves 208 , the left and right sides of the inner cavity of the shell 203 are fixedly connected with fixing rods 209 , and the fixing rods 209 are plugged into the inner surface of the stabilizing sleeve 208 .

[0031] According to the above technical solution, by providing the stabilizing sleeve 208 and the fixing rod 209 , when the driving belt 216 rotates, the driving block 207 is driven to move up and down, and at the same time, the fixing rod 209 stabilizes the operation of the driving block 207 through the stabilizing sleeve 208 .

[0032] Specifically, a threaded sleeve 7 is provided at the front end of the top of the machine base 1 , and the inner surface of the threaded sleeve 7 is threadedly connected to the detection platform 3 , and the detection platform 3 is located directly below the pressure head 215 .

[0033] Through the above technical solution, by providing the threaded sleeve 7, and the detection platform 3 and the threaded sleeve 7, the height of the detection platform 3 can be adjusted by rotating the detection platform 3.

[0034] Specifically, a display screen 4 is disposed at the upper end of the front side of the base 1 , and a control key 5 is disposed at the lower end of the front side of the base 1 .

[0035] Through the above technical solution, by setting the display screen 4 and the control key 5, it is convenient for people to control the device and understand the operation status of the device.

[0036] Specifically, the four corners of the bottom of the base 1 are fixedly connected with support feet 6, and the bottoms of the support feet 6 are provided with anti-slip pads.

[0037] Through the above technical solution, by providing the supporting feet 6 and providing anti-skid pads at the bottom of the supporting feet 6, the stability of the device is increased.

[0038] Specifically, the main driving wheel 210 and the driven wheel 211 are connected to each other through a driving belt 216 , and the driving belt 216 is made of PVC.

[0039] Through the above technical solution, by setting the driving belt 216, and the driving belt 216 is made of PVC material, it has excellent anti-corrosion and wear-resistant effects, and its service life is greatly extended.

[0040] The working principle of the utility model is: placing the material to be detected on the top of the detection platform 3, and then rotating the detection platform 3 to adjust the height of the detection platform 3, and at the same time starting the servo motor 204 to work, and the output end of the servo motor 204 drives the main driving wheel 210 to rotate, and the main driving wheel 210 drives the driven wheel 211 to rotate through the driving belt 216, and when the driving belt 216 rotates, it will drive the driving block 207 to move up and down, so that the driving block 207 drives the lifting block 205 to move up and down on the inner surface of the lifting groove 206, and the lifting block 205 drives the head body 202 to move up and down for adjustment, and the head body 202 slides up and down on the outer surface of the slide rail 201, so as to achieve the purpose of stepless height adjustment, and the distance between the pressure head 215 and the detection platform 3 is adjusted to a suitable position through the above-mentioned adjustment method, and then the auxiliary cylinder 213 is turned on for extension and contraction, and the output end of the auxiliary cylinder 213 drives the pressure head 215 to move downward through the pressing plate 214, so as to detect the material on the top of the detection platform 3.

[0041] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this utility model, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects that can be produced by this utility model and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by this utility model. The above embodiments are only illustrative of the principles and effects of this utility model, and are not used to limit this utility model. Anyone familiar with this technology can modify or change the above embodiments without violating the spirit and scope of this utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in this utility model should still be included in the claims of this utility model.

Claims

1. An automatic descending Rockwell hardness tester, comprising a base (1), characterized in that: An adjustment mechanism (2) is fixedly mounted at the rear end of the top of the machine base (1), and the adjustment mechanism (2) comprises a shell (203); A servo motor (204) is fixedly mounted at the lower end of the left side of the shell (203), and the output end of the servo motor (204) is fixedly connected to a main driving wheel (210). The upper end of the left side of the inner cavity of the shell (203) is rotatably connected to a driven wheel (211). The outer surfaces of the main driving wheel (210) and the driven wheel (211) are sleeved with a driving belt (216). A lifting groove (206) is provided at the upper end of the front side of the shell (203), and a lifting block (205) is movably connected to the upper end of the inner cavity of the lifting groove (206). The lifting block (205) is rotatably connected to the upper end of the inner cavity of the lifting groove (206). 05) is fixedly connected to a driving block (207) on the back side, and the driving block (207) is transmission-connected to a driving belt (216); the front side of the lifting block (205) is fixedly connected to a machine head body (202); the front ends of the left and right sides of the machine head body (202) are provided with grooves (212); the top of the inner cavity of the groove (212) is fixedly connected to an auxiliary cylinder (213); the output end of the auxiliary cylinder (213) is fixedly connected to a pressing plate (214); the inner side of the pressing plate (214) is fixedly connected to a pressing head (215).

2. The automatic descending Rockwell hardness tester according to claim 1, characterized in that: The upper ends of the left and right sides of the shell (203) are fixedly connected with slide rails (201), and the slide rails (201) are movably connected to the left and right sides of the inner surface of the rear end of the head body (202).

3. The automatic descending Rockwell hardness tester according to claim 1, characterized in that: The left and right sides of the driving block (207) are fixedly connected with a stabilizing sleeve (208), the left and right sides of the inner cavity of the shell (203) are fixedly connected with a fixing rod (209), and the fixing rod (209) is inserted into the inner surface of the stabilizing sleeve (208).

4. The automatic descending Rockwell hardness tester according to claim 1, characterized in that: A threaded sleeve (7) is provided at the front end of the top of the machine base (1), and a detection platform (3) is threadedly connected to the inner surface of the threaded sleeve (7), and the detection platform (3) is located directly below the pressure head (215).

5. The automatic descending Rockwell hardness tester according to claim 1, characterized in that: A display screen (4) is arranged at the upper end of the front face of the machine base (1), and a control key (5) is arranged at the lower end of the front face of the machine base (1).

6. The automatic descending Rockwell hardness tester according to claim 1, characterized in that: The four corners of the bottom of the machine base (1) are fixedly connected with support feet (6), and the bottoms of the support feet (6) are provided with anti-slip pads.

7. The automatic descending Rockwell hardness tester according to claim 1, characterized in that: The main driving wheel (210) and the driven wheel (211) are connected in transmission via a driving belt (216), and the driving belt (216) is made of PVC material.

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