CN214702753U - Bearing hardness nondestructive detector - Google Patents
Bearing hardness nondestructive detector Download PDFInfo
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- CN214702753U CN214702753U CN202120830669.9U CN202120830669U CN214702753U CN 214702753 U CN214702753 U CN 214702753U CN 202120830669 U CN202120830669 U CN 202120830669U CN 214702753 U CN214702753 U CN 214702753U
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Abstract
The utility model discloses a bearing hardness nondestructive test appearance, include: the device comprises a bearing conveying device, a test coil, a comparison coil and a detection box; the bearing conveying device, the test coil and the comparison coil are electrically connected with the detection box; placing a bearing to be detected in the test coil, and placing a bearing standard part in the comparison coil; the detection box comprises an OSC crystal oscillator, a signal processing module and a microprocessor; the OSC crystal oscillator is electrically connected with the signal processing module and the microprocessor respectively, and the signal processing module is electrically connected with the microprocessor. The utility model realizes the high-speed, high-efficiency and nondestructive detection of the bearing hardness, and solves the limitation that the current bearing factory can only perform destructive sampling detection on the bearing hardness; simultaneously the utility model has the advantages of simple structure, convenient to use can represent the hardness number of bearing through multiple mode, can be very convenient carry out the line network deployment with the automation equipment of bearing factory, reaches the batch nondestructive test purpose of bearing hardness number.
Description
Technical Field
The utility model relates to a bearing hardness detects technical field, and more specifically says so and relates to a bearing hardness nondestructive test appearance.
Background
With the rapid development of the global manufacturing industry, a bearing is one of the essential elements of every operating device, and nowadays, countless bearings are produced every minute and every second in the world. The bearing hardness nondestructive testing technology can carry out one hundred percent of test on the hardness of bearing materials, bearing parts and structural parts, detect the characteristics of defects according to results and make proper evaluation according to the criteria of conventional mechanics or fracture mechanics. The bearing hardness nondestructive testing technology is an important method for providing basis for ensuring high quality and high performance of materials and components and economic and effective use on the basis of safety and reliability. The method is an important means for realizing quality control, saving raw materials, improving the process and improving the labor productivity in the bearing production, and is also an important detection means for the safe operation of equipment.
The existing bearing hardness detection technology adopts a Rockwell hardness tester or a Richter hardness tester to carry out sampling inspection, and the measurement method is to use a steel ball with a vertex angle of 120 degrees to press the steel ball into the surface of a detected bearing under a certain load, and then the bearing hardness is obtained according to the indentation depth. The measurement method has great limitations, on one hand, the detection efficiency is very low, only low-probability spot inspection can be carried out on the bearings, and whether the hardness of each bearing meets the requirement cannot be ensured; on the other hand, the tested bearing is provided with a hardness test trace with a certain depth, and the bearing with the scratch or the test trace cannot be used in a plurality of bearing application environments, so that the tested bearing can only be scrapped, production resources are wasted to a certain extent, and the production cost is increased. Therefore, the hardness testing method in the current bearing production industry cannot meet the requirements of modern production, and a bearing hardness nondestructive high-efficiency detection technology is urgently needed to quickly and accurately judge the hardness of the bearing.
Therefore, how to provide an efficient nondestructive testing instrument for bearing hardness is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a bearing hardness nondestructive test appearance for can't carry out nondestructive test's technical problem to the bearing among the solution prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a nondestructive tester for bearing hardness comprises: the device comprises a bearing conveying device, a test coil, a comparison coil and a detection box;
the bearing conveying device, the test coil and the comparison coil are electrically connected with the detection box;
a bearing to be detected is placed in the test coil, and a bearing standard part is placed in the comparison coil;
the detection box comprises an OSC crystal oscillator, a signal processing module and a microprocessor;
the OSC crystal oscillator is electrically connected with the signal processing module and the microprocessor respectively, and the signal processing module is electrically connected with the microprocessor.
Preferably, the bearing conveying device comprises a bearing conveying belt, a feeding plate, a longitudinal shifting fork, a transverse shifting fork, a material hooking cylinder, a material discharging cylinder and a bearing in-place detection switch;
the bearing conveyor belt, the feeding plate, the longitudinal shifting fork, the transverse shifting fork, the material hooking cylinder, the material discharging cylinder and the bearing detection switch are all electrically connected with the microprocessor;
the bearing conveyor belt is connected with the feeding plate, the testing coil is correspondingly arranged on the side edge of the feeding plate, an inlet of the testing coil is level with the plane of the feeding plate, the longitudinal shifting fork is also level with the plane of the feeding plate, and the hooking cylinder pushes the bearing to enter the testing coil from the feeding plate;
the contrast coil is arranged above the test coil.
Preferably, the bearing conveying device further comprises a material hooking cylinder, a material discharging cylinder and a defective product material receiving box;
the material hooking cylinder and the material discharging cylinder are both electrically connected with the microprocessor;
the feeding plate is of a groove structure and comprises a movable first sub plate, the first sub plate is a part of the feeding plate, and the first sub plate is correspondingly arranged at an inlet of the test coil; the material hooking cylinder is connected with the first sub plate and controls the first sub plate to move;
the feeding plate is also provided with a hollowed-out structure, and the hollowed-out structure is correspondingly arranged below the discharge air cylinder;
the discharge air cylinder is connected with the second branch plate and controls the second branch plate to move below the hollow structure;
the first sub plate and the second sub plate and the feeding plate form a complete plane;
the transverse shifting fork and the longitudinal shifting fork are slidably arranged on the other side surface of the feeding plate;
the defective product receiving box is arranged below the hollow structure.
Preferably, the signal processing module comprises a frequency divider, a power amplifying circuit, an amplifier and an AD converter;
the frequency divider is respectively and electrically connected with the microprocessor and the power amplifying circuit, and the power amplifying circuit is also respectively and electrically connected with the test coil and the comparison coil;
the test coil and the comparison coil are also respectively electrically connected with the amplifier, the amplifier is electrically connected with the AD converter, and the AD converter is electrically connected with the microprocessor.
Preferably, the signal processing module further comprises a zero circuit and a shift switch;
the zero setting circuit is electrically connected with the amplifier, and the gear switch is respectively electrically connected with the amplifier and the AD converter.
Preferably, the system also comprises a delay sampling module, an LCD display module, an IO output module, a 485 communication module and an analog output module;
the delay sampling module, the LCD display module, the IO volume output module, the 485 communication module and the analog volume output module are all electrically connected with the microprocessor.
According to the technical scheme, compared with the prior art, the utility model discloses a bearing hardness nondestructive detector is provided, the utility model discloses a OSC crystal oscillator produces fixed frequency thereby drive test coil and contrast coil, judges the hardness number of bearing through the change of detection test coil with contrast coil impedance at last, has realized the high-speed high efficiency and the nondestructive detection to bearing hardness, has solved the limitation that present bearing factory can only carry out destructive spot check to bearing hardness; simultaneously the utility model has the advantages of simple structure, convenient to use can represent the hardness number of bearing through multiple mode, can be very convenient carry out the line network deployment with the automation equipment of bearing factory, reaches the batch nondestructive test purpose of bearing hardness number.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a frame of a nondestructive testing apparatus for bearing hardness according to the present invention;
FIG. 2 is a schematic view of the overall structure of a nondestructive tester for bearing hardness provided by the present invention;
the device comprises a bearing conveyor belt 1, a detection box 2, a bearing standard component 3, a comparison coil 4, a test coil 5, a bearing in-place detection switch 6, a bearing 7 to be detected, a transverse shifting fork 8, a rack 9, a longitudinal shifting fork 10, a defective product receiving box 11, a discharge air cylinder 12, a second sub-plate 13, a first sub-plate 14, a detection air cylinder 15 and a feeding plate 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses bearing hardness nondestructive test appearance, as shown in figure 1, include: the device comprises a bearing conveying device, a test coil 5, a comparison coil 4 and a detection box 2;
the bearing conveying device, the test coil 5 and the comparison coil 4 are electrically connected with the detection box 2;
a bearing 7 to be detected is placed in the test coil 5, and a bearing standard part 3 is placed in the comparison coil 4;
the detection box 2 comprises an OSC crystal oscillator, a signal processing module and a microprocessor;
the OSC crystal oscillator is electrically connected with the signal processing module and the microprocessor respectively, and the signal processing module is electrically connected with the microprocessor.
In order to further implement the technical scheme, as shown in fig. 2, the bearing conveying device comprises a bearing conveying belt 1, a feeding plate 16, a transverse shifting fork 8, a longitudinal shifting fork 10 and a bearing in-place detection switch 6;
the bearing conveyor belt 1, the transverse shifting fork 8, the longitudinal shifting fork 10, the bearing detection switch and the comparison coil 4 are electrically connected with the microprocessor;
the bearing conveyor belt 1 is connected with the feeding plate 16, the testing coil 5 is correspondingly arranged on the side edge of the feeding plate 16, the inlet of the testing coil 5 is level with the plane of the feeding plate 16, the longitudinal shifting fork 10 is also level with the plane of the feeding plate 16, and the longitudinal shifting fork 10 and the transverse shifting fork 8 of the testing coil 5 push the bearing to move transversely on the feeding plate 16;
the comparison coil 4 is disposed above the test coil 5.
In order to further implement the technical scheme, the feeding plate 16 is of a groove structure, and the bearing conveying device further comprises a material hooking cylinder 15, a material discharging cylinder 12 and a defective product receiving box 11;
the material hooking cylinder 15 and the material discharging cylinder 12 are both electrically connected with the microprocessor;
the feeding plate 16 comprises a movable first sub-plate 14, the first sub-plate 14 is a partial plate body of the feeding plate 16, and the first sub-plate 14 is correspondingly arranged at an inlet of the test coil 5; the material hooking cylinder 15 is connected with the first division plate 14 and controls the movement of the first division plate 14;
the feeding plate 16 is also provided with a hollow structure which is correspondingly arranged below the discharging cylinder 12;
the discharge cylinder 12 is connected with the second plate section 13, and the discharge cylinder 12 controls the second plate section 13 to move below the hollow structure;
the first branch plate 14 and the second branch plate 13 and the feeding plate 16 form a complete plane;
the transverse shifting fork 8 and the longitudinal shifting fork 10 are slidably arranged on the other side surface of the feeding plate;
the defective product receiving box 11 is arranged below the hollow structure.
It should be noted that:
the bearing is conveyed by the conveyor belt 1, after the bearing in-place detection switch 6 detects that the bearing reaches the bearing conveying position, the transverse shifting fork 8 and the longitudinal shifting fork 10 convey the bearing on the feeding plate 16, when the bearing reaches the inlet of the detection coil (at the moment, the bearing is positioned on the first sub-plate 14), the hooking cylinder 15 works to drive the first sub-plate 14 to integrally move, the bearing on the first sub-plate 14 is sent into the detection coil (because the feeding plate 16 is of a groove structure, the side edge of the feeding plate is higher relative to the plate surface, the first sub-plate 14 is also of a groove structure, the bearing can move along with the first sub-plate 14), after the detection is finished, the first sub-plate 14 is pushed by the detection cylinder 15 to send out the detected bearing, the transverse shifting fork 8 and the longitudinal shifting fork 10 further move the bearing forwards on the feeding plate 16, if the detected bearing is a defective product, the discharge cylinder 12 works to drive the second sub-plate 13 to be drawn out below the hollow structure, so that the bearing falls down from the hollow structure to the defective material receiving box 11.
In addition, the bearing conveying device, the test coil 5, the comparison coil 4 and the detection box 2 are all arranged on the frame 9, and the detection box 2 is installed above the bearing transmission belt.
In order to further implement the above technical solution, the signal processing module includes a frequency divider, a power amplifying circuit, an amplifier and an AD converter;
the frequency divider is respectively and electrically connected with the microprocessor and the power amplifying circuit, and the power amplifying circuit is also respectively and electrically connected with the test coil 5 and the comparison coil 4;
the test coil 5 and the comparison coil 4 are also respectively electrically connected with an amplifier, the amplifier is electrically connected with an AD converter, and the AD converter is electrically connected with the microprocessor.
In order to further implement the technical scheme, the signal processing module further comprises a zero circuit and a gear switch;
the zero circuit is electrically connected with the amplifier, and the gear switch is electrically connected with the amplifier and the AD converter respectively.
It should be noted that:
the zero setting circuit adjusts the bearing with the known hardness to the known hardness value, and the gear switch can increase the current difference value between the bearings with different hardnesses, so that the bearings can be sorted more quickly and conveniently in the next step.
In order to further implement the technical scheme, the device further comprises a delay sampling module, an LCD display module, an IO output module, a 485 communication module and an analog output module;
the time delay sampling module, the LCD display module, the IO output module, the 485 communication module and the analog output module are all electrically connected with the microprocessor.
It should be noted that:
after the single chip microcomputer microprocessor receives the bearing positioning signal, in order to ensure that the position of the bearing is fixed and the conditions of shaking and shifting do not occur, the single chip microcomputer needs to carry out certain time delay and then starts to acquire the data of the bearing.
The utility model discloses a theory of operation does:
when the frequency divider works, a user inputs a frequency value required to be set through the LCD display module, and the MCU singlechip microprocessor calculates a frequency division value according to the frequency value required to be set and then transmits the frequency division value to the frequency division module. The frequency division module divides the frequency of the fixed frequency generated by the OSC crystal oscillator to obtain a square wave signal with a fixed frequency value required by people, and the square wave signal drives the test coil 5 and the comparison coil 4 after being amplified by power. The amplifier converts the change of the coil impedance into an electric signal required by people, the electric signal is converted into a digital signal through an AD converter after the electric signal passes through a delay sampling module to ensure that the current value induced by the bearing to be tested in the test coil 5 is stable, the digital signal acquired by the single chip microcomputer microprocessor is subjected to certain operation and processing, and then the hardness value of the bearing is represented in various modes. Through an IO (input/output) quantity output module, outputting a normally closed signal when the bearing is qualified, and outputting a normally open signal when the bearing is not qualified; the hardness value of the bearing is directly transmitted to the server through the 485 communication module, so that the storage and management of the hardness value of the bearing are facilitated; the bearing hardness value is converted into a corresponding voltage value through the analog quantity output module, and the corresponding voltage value is supplied to other acquisition equipment for further analyzing and processing the bearing hardness value.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a bearing hardness nondestructive test appearance which characterized in that includes: the device comprises a bearing conveying device, a test coil, a comparison coil and a detection box;
the bearing conveying device is connected with the test coil structure, and the test coil and the comparison coil are both electrically connected with the detection box;
a bearing to be detected is placed in the test coil, and a bearing standard part is placed in the comparison coil;
the detection box comprises an OSC crystal oscillator, a signal processing module and a microprocessor;
the OSC crystal oscillator is electrically connected with the signal processing module and the microprocessor respectively, and the signal processing module is electrically connected with the microprocessor.
2. The nondestructive tester for the hardness of the bearing according to claim 1, wherein the bearing conveying device comprises a bearing conveyor belt, a feeding plate, a longitudinal shifting fork, a transverse shifting fork, a material hooking cylinder, a material discharging cylinder and a bearing in-place detection switch;
the bearing conveyor belt, the feeding plate, the longitudinal shifting fork, the transverse shifting fork, the material hooking cylinder, the material discharging cylinder and the bearing in-place detection switch are all electrically connected with the microprocessor;
the bearing conveyor belt is connected with the feeding plate, the testing coil is correspondingly arranged on the side edge of the feeding plate, an inlet of the testing coil is level with the plane of the feeding plate, the longitudinal shifting fork is also level with the plane of the feeding plate, the longitudinal shifting fork and the transverse shifting fork are responsible for carrying a bearing, and the material hooking cylinder pushes the bearing to enter the testing coil from the feeding plate;
the contrast coil is arranged above the test coil.
3. The nondestructive tester for the hardness of the bearing according to claim 2, wherein the bearing conveying device further comprises a material hooking cylinder, a material discharging cylinder and a defective material receiving box;
the material hooking cylinder and the material discharging cylinder are both electrically connected with the microprocessor;
the feeding plate is of a groove structure and comprises a movable first sub plate, the first sub plate is a part of the feeding plate, and the first sub plate is correspondingly arranged at an inlet of the test coil; the material hooking cylinder is connected with the first sub plate and controls the first sub plate to move;
the feeding plate is also provided with a hollowed-out structure, and the hollowed-out structure is correspondingly arranged below the discharge air cylinder;
the discharge air cylinder is connected with the second branch plate and controls the second branch plate to move below the hollow structure;
the first sub plate and the second sub plate and the feeding plate form a complete plane;
the transverse shifting fork and the longitudinal shifting fork are slidably arranged on the other side surface of the feeding plate;
the defective product receiving box is arranged below the hollow structure.
4. The nondestructive tester for the hardness of a bearing according to claim 1, wherein the signal processing module comprises a frequency divider, a power amplifying circuit, an amplifier and an AD converter;
the frequency divider is respectively and electrically connected with the microprocessor and the power amplifying circuit, and the power amplifying circuit is also respectively and electrically connected with the test coil and the comparison coil;
the test coil and the comparison coil are also respectively electrically connected with the amplifier, the amplifier is electrically connected with the AD converter, and the AD converter is electrically connected with the microprocessor.
5. The nondestructive tester for the hardness of the bearing according to claim 4 is characterized in that the data of the hardness of the bearing measured by the tester are indirectly measured by a standard sample, and the signal processing module further comprises a zero circuit and a shift switch; the zero circuit is electrically connected with the amplifier, and the gear switches are respectively electrically connected with the amplifier.
6. The nondestructive tester for the hardness of the bearing of claim 1 is characterized by further comprising a time delay sampling module, an LCD display module, an IO output module, a 485 communication module and an analog output module;
the delay sampling module, the LCD display module, the IO volume output module, the 485 communication module and the analog volume output module are all electrically connected with the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120830669.9U CN214702753U (en) | 2021-04-21 | 2021-04-21 | Bearing hardness nondestructive detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120830669.9U CN214702753U (en) | 2021-04-21 | 2021-04-21 | Bearing hardness nondestructive detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702753U true CN214702753U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120830669.9U Active CN214702753U (en) | 2021-04-21 | 2021-04-21 | Bearing hardness nondestructive detector |
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| Country | Link |
|---|---|
| CN (1) | CN214702753U (en) |
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2021
- 2021-04-21 CN CN202120830669.9U patent/CN214702753U/en active Active
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