CN112139987A - Grinding assembly capable of measuring grinding temperature in real time and grinding pressure regulating method thereof - Google Patents
Grinding assembly capable of measuring grinding temperature in real time and grinding pressure regulating method thereof Download PDFInfo
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- CN112139987A CN112139987A CN202011138567.7A CN202011138567A CN112139987A CN 112139987 A CN112139987 A CN 112139987A CN 202011138567 A CN202011138567 A CN 202011138567A CN 112139987 A CN112139987 A CN 112139987A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
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- 238000009529 body temperature measurement Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 230000003321 amplification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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Abstract
The invention provides a grinding component capable of measuring grinding temperature in real time and a grinding pressure regulating method thereof, wherein the grinding component comprises: the grinding device comprises a grinding head main shaft, a motor belt wheel and a combined grinding wheel; the temperature control device comprises a temperature acquisition module and an industrial personal computer, wherein the temperature acquisition module is arranged between two adjacent grinding wheels of the combined grinding wheel, and the temperature acquisition module is connected with the industrial personal computer through a communication module; the grinding control device comprises a grinding head frame, a sleeve and a cylinder. According to the grinding assembly capable of measuring the grinding temperature in real time and the grinding pressure regulating method thereof, on the premise that a workpiece and a grinding wheel are not damaged, the grinding temperature of the combined grinding wheel can be measured in real time in the grinding process by using the temperature control device, and meanwhile, when the grinding temperature exceeds the preset temperature, the industrial personal computer can control the grinding control device, so that the grinding pressure between the grinding wheel and the workpiece is reduced, and the workpiece is prevented from being damaged by overhigh grinding temperature.
Description
Technical Field
The invention relates to the technical field of grinding processing, in particular to a grinding assembly capable of measuring grinding temperature in real time and a grinding pressure regulating method thereof.
Background
Grinding technology is more and more important in modern mechanical manufacturing industry, and various parts with high precision and high quality can be obtained by utilizing the grinding technology. The grinding power in the grinding process is mostly converted in a thermal mode, so that the temperature of a grinding area is rapidly increased, a large amount of heat generated in the grinding area can damage the quality of a grinding workpiece, the defects of grinding burn, microcrack and the like on the surface of the workpiece are caused, and the service life of the grinding wheel is also shortened.
The grinding temperature measurement method comprises an optical fiber temperature measurement method, an infrared temperature measurement method and a thermocouple temperature measurement method. An optical fiber sensor in the optical fiber temperature measurement method is positioned below the surface of a workpiece and does not contact a measurement area, so that the measurement is inaccurate and the price is high. The infrared temperature measurement method is characterized in that infrared heat radiation emitted by a heat source is collected and converted into an electric signal, the electric signal is converted into a temperature value of an object through an amplifier and a signal processing circuit, and the temperature value is displayed. The thermocouple thermometry method is
The temperature measured by the thermocouple is converted into an electromotive force signal, and then the grinding temperature is displayed by temperature measurement software through processes of amplification, signal processing and the like. The thermocouple temperature measurement is accurate and easy to manufacture, but the traditional thermocouple temperature measurement method can damage the integrity of the workpiece.
In the grinding process of the end face of the grinding wheel, the grinding wheel forms a closed space and rotates at a high speed, and the grinding temperature is difficult to be accurately measured in real time under the condition of not damaging a workpiece and the grinding wheel.
Therefore, the real-time measurement of the grinding temperature of the grinding area of the grinding wheel and the adjustment of the grinding pressure according to the grinding temperature have important significance for improving the processing quality of workpieces and prolonging the service life of the grinding wheel.
Disclosure of Invention
In order to solve the problems, the invention provides a grinding assembly capable of measuring grinding temperature in real time and a grinding pressure regulating method thereof, on the premise of not damaging a workpiece and a grinding wheel, the grinding temperature of a grinding area of the combined grinding wheel can be measured in real time in the grinding process by using the temperature control device, and meanwhile, when the grinding temperature exceeds a preset temperature, the industrial personal computer can control the grinding control device, so that the grinding pressure between the grinding wheel and the workpiece is reduced, the workpiece is prevented from being damaged by overhigh grinding temperature, the processing quality of the workpiece is improved, and the service life of the grinding wheel is prolonged.
In order to achieve the above purpose, the invention adopts a technical scheme that:
a grinding assembly capable of measuring grinding temperature in real time, comprising: the grinding device comprises a grinding head main shaft, a motor belt wheel and a combined grinding wheel, wherein the grinding head main shaft is connected with the motor belt wheel through a spline housing, and the combined grinding wheel is connected with the grinding head main shaft through a main shaft connecting disc; the temperature control device comprises a temperature acquisition module and an industrial personal computer, wherein the temperature acquisition module is arranged between two adjacent grinding wheels of the combined grinding wheel, and the temperature acquisition module is connected with the industrial personal computer through a communication module; the grinding control device comprises a grinding head frame, a sleeve and a cylinder, wherein the grinding head frame is located between a motor belt wheel and a combined grinding wheel, the grinding head frame is connected with the motor belt wheel through a flange plate, the sleeve is sleeved outside a grinding head main shaft, the sleeve is connected with the grinding head main shaft through a first rolling bearing, one end of the sleeve stretches into the grinding head frame and is arranged between the grinding head main shaft, the free end of a piston rod of the cylinder is arranged on a cylinder connecting plate, one end, far away from the piston rod, of the cylinder is arranged on the grinding head frame, and the cylinder is electrically connected with an industrial personal computer.
Further, the grinding device further comprises an intermediate connecting disc, the intermediate connecting disc is arranged on one surface, far away from the motor belt wheel, of the main shaft connecting disc through a spring buffer structure, and the combined grinding wheel comprises six grinding wheels which are arranged in an annular array mode.
Furthermore, each grinding wheel is arranged on the middle connecting disc through a grinding wheel fixing block, and a baffle is arranged on the outer side wall of each grinding wheel fixing block.
Further, the temperature acquisition module comprises a thermocouple wire, a thermocouple amplifier, the communication module, a singlechip and a wireless power supply module, the thermocouple wires are arranged on the two adjacent grinding wheel fixing blocks through the temperature transmission fixing blocks, the thermocouple wires are positioned between the two adjacent grinding wheels, the thermocouple amplifier, the communication module, the singlechip and the wireless power supply module are arranged on the middle connecting disc through a bottom plate, the thermocouple amplifier is electrically connected with the thermocouple wire and the singlechip, the singlechip is connected with the industrial personal computer through the communication module, the wireless power supply module provides electric energy for the thermocouple amplifier, the communication module and the singlechip, the industrial personal computer is electrically connected with the air cylinder, and the bottom plate is located in a circular area formed by the grinding wheels which are arranged in an annular array.
Furthermore, the temperature transmission fixing block is arranged on the grinding wheel fixing block through a fixing base, square holes are formed in the temperature transmission fixing block, two thermocouple wires are arranged in each square hole, a heat insulation layer is arranged between every two adjacent thermocouple wires, and a heat insulation layer is arranged between each thermocouple wire and the inner wall of each square hole.
Furthermore, the axis of the square hole is parallel to the axis of the grinding head main shaft, and the heat insulation layer is a mica sheet.
Further, the communication module is a bluetooth communication module.
Further, the grinding head control device further comprises at least two guide rods, external threads are arranged at two ends of each guide rod, a limiting portion is arranged on the outer wall of the grinding head frame, a guide hole is formed in the limiting portion, one end of each guide rod is connected with the cylinder connecting plate, the other end of each guide rod penetrates through the guide hole to be provided with a limiting nut, and the axis of each guide rod is parallel to the axis of the grinding head main shaft.
Further, the first rolling bearing comprises an inner ring, an outer ring and a rolling body clamped between the inner ring and the outer ring, the inner ring is arranged on the grinding head spindle, the outer ring is arranged on the cylinder connecting plate, a check ring is arranged on the grinding head spindle, and the inner ring is located between the check ring and the cylinder connecting plate.
The invention also provides a grinding pressure regulating method of the grinding assembly capable of measuring the grinding temperature in real time based on any one of the above methods, which comprises the following steps: s10, setting the upper limit of the working temperature, the safe use temperature and the safe grinding pressure of the grinding wheel by a user through an industrial personal computer; s20, starting the machine, grinding the workpiece by using the grinding assembly, and when the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the upper limit of the working temperature, controlling the cylinder of the grinding control device by the industrial personal computer to reduce the pressure applied to the workpiece; and S30, when the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the safe use temperature, the industrial personal computer controls the grinding control device to recover the grinding pressure between the combined grinding wheel and the workpiece, and the workpiece is continuously ground to complete the processing task.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the grinding assembly capable of measuring the grinding temperature in real time and the grinding pressure regulating method thereof, on the premise that a workpiece and a grinding wheel are not damaged, the grinding temperature of the combined grinding wheel can be measured in real time in the grinding process by using the temperature control device, and meanwhile, when the grinding temperature exceeds a preset temperature, the industrial personal computer can control the grinding control device, so that the grinding pressure between the grinding wheel and the workpiece is reduced, the workpiece is prevented from being damaged by overhigh grinding temperature, the processing quality of the workpiece is improved, and the service life of the grinding wheel is prolonged.
Drawings
The technical solution and the advantages of the present invention will be apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a block diagram of a grinding assembly capable of real-time measurement of grinding temperature in accordance with an embodiment of the present invention;
FIG. 2 is an elevation view of a grinding assembly capable of real-time measurement of grinding temperature in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a grinding assembly capable of real-time measurement of grinding temperature in accordance with an embodiment of the present invention;
FIG. 4 is a diagram of a heat transfer block according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along the direction F-F in FIG. 4;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;
fig. 7 is a connection structure diagram of a temperature control device according to an embodiment of the present invention.
Reference numbers in the figures:
11 grinding head spindles, 12 motor pulleys, 13 spline sleeves, 14 spindle connecting discs, 151 grinding wheel fixing blocks, 152 grinding wheels, 153 baffles, 16 intermediate connecting discs, 17 second rolling bearings, 21 bottom plates, 22 thermocouple wires, 23 thermocouple amplifiers, 24 communication modules, 25 single-chip microcomputers, 26 wireless power supply modules, 28 temperature transmission fixing blocks, 281 square holes, 282 heat insulation layers, 31 grinding head frames, 32 sleeves, 33 cylinders, 34 first rolling bearings, 341 inner rings, 342 outer rings, 35 cylinder connecting plates, 36 guide rods, 37 limiting parts, 38 flange plates, 39 retaining rings and 4 metal wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present embodiment provides a grinding assembly capable of measuring grinding temperature in real time, as shown in fig. 1 to 3, comprising a grinding device, a temperature control device and a grinding control device, the grinding device is used for grinding a workpiece, the temperature control device is used for measuring the temperature of a grinding area of the combined grinding wheel of the grinding device in real time, the grinding control device is used for adjusting the grinding work of the grinding device, when the temperature of the grinding area of the combined grinding wheel exceeds a preset temperature value, the grinding control device can reduce the grinding pressure between the combined grinding wheel and the workpiece and prevent the workpiece from being irreparably damaged by overhigh temperature, and after the temperature of the grinding area of the combined grinding wheel is recovered to the safe use temperature, the grinding control device can control the combined grinding wheel to continue grinding the workpiece.
The grinding body comprises a grinding head main shaft 11, a motor belt wheel 12, a combined grinding wheel and an intermediate connecting disc 16, the grinding head main shaft 11 is provided with a spline matched with a spline sleeve 13, the grinding head main shaft 11 is connected with the motor belt wheel 12 through the spline sleeve 13, and the motor belt wheel 12 drives the grinding head main shaft 11 to rotate at a high speed through the spline sleeve 13. Since the grinding force is large during the end face grinding process, and the grinding head spindle 11 is a hollow spindle rotating at a high speed, if the motor pulley 12 and the grinding head spindle 11 are connected by a flat key, the strength of the spindle may be insufficient. In view of the increased total contact area of the splined connection compared to a flat splined connection, a larger torque can be transmitted. The combined grinding wheel is connected with the grinding head spindle 11 through a spindle connecting disc 14, and the grinding head spindle 11 drives the combined grinding wheel to rotate in the process of high-speed rotation, so that the workpiece is ground by the combined grinding wheel. The middle connecting plate 16 is arranged on one surface, far away from the motor belt wheel 12, of the main shaft connecting plate 14 through a spring buffer structure, the buffer structure comprises a spring seat, a grinding head seat and a spring, the spring seat is arranged on the middle connecting plate 16, the grinding head seat is arranged on the grinding head main shaft 11, one end of the spring is connected with a step of the spring seat, the other end of the spring is connected with the step of the grinding head seat, and the buffer structure plays a role in protecting a workpiece and a combined grinding wheel. The combined grinding wheel comprises six grinding wheels 152 arranged in an annular array, each grinding wheel 152 is arranged on the middle connecting disc 16 through a grinding wheel fixing block 151, and the outer side wall of each grinding wheel fixing block 151 is provided with a baffle 153 to prevent grinding fluid and grinding waste from splashing.
The temperature control device comprises a temperature acquisition module and an industrial personal computer, the temperature acquisition module is arranged between two adjacent grinding wheels 152 of the combined grinding wheel, and the temperature acquisition module is connected with the industrial personal computer through the communication module 24. The temperature acquisition module comprises a thermocouple wire 22, a thermocouple amplifier 23, the communication module 24, a singlechip 25 and a wireless power supply module 26. As shown in fig. 4 to 6, the thermocouple wire 22 is disposed on two adjacent grinding wheel fixing blocks 151 through a temperature-transmitting fixing block 28, the thermocouple wire 22 is located between two adjacent grinding wheels 152, and the thermocouple amplifier 23, the communication module 24, the single chip microcomputer 25, and the wireless power supply module 26 are disposed on the intermediate connection disc 16 through a bottom plate 21. As shown in fig. 7, the thermocouple amplifier 23 is electrically connected to the thermocouple wire 22 and the single chip microcomputer 25 through a metal wire 4, the single chip microcomputer 25 is connected to the industrial personal computer through the communication module 24, and the wireless power supply module 26 supplies electric energy to the thermocouple amplifier 23, the communication module 24 and the single chip microcomputer 25. The grinding wheels 152 are fan-shaped, the grinding wheels 152 are circumferentially and uniformly fixed on the end faces of the grinding wheel fixing blocks 151 through dovetail grooves, the six fan-shaped grinding wheels 152 are arranged in an annular array, and the bottom plate 21 is located in a circular area formed by the grinding wheels 152 arranged in the annular array. Preferably, the communication module 24 is a bluetooth communication module 24.
The temperature-transferring fixing block 28 is arranged on the grinding wheel fixing block 151 through a fixing base, the temperature-transferring fixing block 28 is provided with square holes 281, two thermocouple wires 22 are arranged in each square hole 281, a heat insulation layer 282 is arranged between the adjacent thermocouple wires 22, and the heat insulation layer 282 is arranged between the thermocouple wires 22 and the inner wall of the square hole 281. The axis of the square hole 281 is parallel to the axis of the grinding head spindle 11, and the heat insulation layer 282 is a mica sheet.
The grinding control device comprises a grinding head frame 31, a sleeve 32, a cylinder 33 and at least two guide rods 36, wherein the grinding head frame 31 is located between the motor belt wheel 12 and the combined grinding wheel, the grinding head frame 31 is connected with the motor belt wheel 12 through a flange 38, the flange 38 is connected with the motor belt wheel 12 through a second rolling bearing 17, an inner ring of the second rolling bearing 17 is connected with the motor belt wheel 12, an outer ring of the second rolling bearing 17 is connected with the flange 38, the inner ring of the second rolling bearing 17 is borne on a retaining ring of the motor belt wheel 12, and the outer ring of the second rolling bearing 17 is borne on a retaining ring of the flange 38. The sleeve 32 is sleeved outside the grinding head spindle 11, and the sleeve 32 is connected with the grinding head spindle 11 through a first rolling bearing 34. The first rolling bearing 34 includes an inner ring 341, an outer ring 342, and a rolling body interposed between the inner ring 341 and the outer ring 342, the inner ring 341 is disposed on the grinding head spindle 11, the outer ring 342 is disposed on the cylinder connecting plate 35, a retaining ring 39 is disposed on the grinding head spindle 11, and the inner ring 341 is located between the retaining ring 39 and the cylinder connecting plate 35. The retainer ring 39 is embedded in the grinding head spindle 11, so that the industrial personal computer can control the combined grinding wheel to reduce the grinding pressure between the combined grinding wheel and the workpiece upwards, and the axial positioning of the grinding head spindle 11 and the sleeve 32 is realized. One end of the sleeve 32 extends into the space between the grinding head frame 31 and the grinding head spindle 11, the other end of the sleeve 32 is arranged on the cylinder connecting plate 35, the free end of the piston rod of the cylinder 33 is arranged on the cylinder connecting plate 35, one end of the cylinder 33, which is far away from the piston rod, is arranged on the grinding head frame 31, and the cylinder 33 is electrically connected with the industrial personal computer. The two ends of the guide rod 36 are provided with external threads, the outer wall of the grinding head frame 31 is provided with a limiting portion 37, the limiting portion 37 is provided with a guide hole, one end of the guide rod 36 is connected with the cylinder connecting plate 35, the other end of the guide rod 36 penetrates through the guide hole to be provided with a limiting nut, and the axis of the guide rod 36 is parallel to the axis of the grinding head spindle 11. The industrial personal computer can control the stress of the piston rod of the air cylinder 33 by controlling the air pressure of the air cylinder 33, so that the self-adaptive adjustment of the grinding pressure of the combined grinding wheel is realized. In the moving process, the guide rod 36 slides up and down under the action of the guide hole of the limiting part 37, and simultaneously, the piston rods of the air cylinders 33 arranged on the air cylinder connecting plate 35 are limited to extend and retract along the guide direction, and the two air cylinders 33 are symmetrically distributed on two sides of the grinding head main shaft 11, so that the phenomenon of left-right swinging of the combined grinding wheel in the lifting and grinding processes is prevented.
The invention also provides a grinding pressure regulating method of the grinding assembly based on the real-time grinding temperature measurement, which comprises the following steps: the user at S10 sets the upper limit of the working temperature, the safe use temperature, and the safe grinding pressure of the grinding wheel 152 through the industrial personal computer. And S20, starting the machine, grinding the workpiece by using the grinding assembly, and when the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the upper limit of the working temperature, controlling the cylinder of the grinding control device by the industrial personal computer to reduce the pressure applied to the workpiece. And S30, when the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the safe use temperature, the industrial personal computer controls the grinding control device to recover the safe grinding pressure between the combined grinding wheel and the workpiece, and the workpiece is continuously ground to complete the processing task.
When the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the upper limit of the working temperature, the industrial control device controls the air pressure in the air cylinder 33 to be reduced, and the stress of a piston rod of the air cylinder 33 is reduced, so that the pressure between the combined grinding wheel and the workpiece to be ground is reduced to a safe range.
When the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the safe use temperature, the industrial personal computer controls the air pressure in the air cylinder 33 to rise, the piston rod of the air cylinder 33 extends to push the air cylinder connecting plate 35 to move towards the direction close to the workpiece to be ground, and then the combined grinding wheel and the workpiece to be ground recover to the safe grinding pressure to continue grinding.
The above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that are transformed by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A grinding assembly capable of measuring grinding temperature in real time, comprising:
the grinding device comprises a grinding head main shaft, a motor belt wheel and a combined grinding wheel, wherein the grinding head main shaft is connected with the motor belt wheel through a spline housing, and the combined grinding wheel is connected with the grinding head main shaft through a main shaft connecting disc;
the temperature control device comprises a temperature acquisition module and an industrial personal computer, wherein the temperature acquisition module is arranged between two adjacent grinding wheels of the combined grinding wheel, and the temperature acquisition module is connected with the industrial personal computer through a communication module;
the grinding control device comprises a grinding head frame, a sleeve and a cylinder, wherein the grinding head frame is located between a motor belt wheel and a combined grinding wheel, the grinding head frame is connected with the motor belt wheel through a flange plate, the sleeve is sleeved outside a grinding head main shaft, the sleeve is connected with the grinding head main shaft through a first rolling bearing, one end of the sleeve stretches into the grinding head frame and is arranged between the grinding head main shaft, the other end of the sleeve is arranged on a cylinder connecting plate, the free end of a piston rod of the cylinder is arranged on the cylinder connecting plate, one end, far away from the piston rod, of the cylinder is arranged on the grinding head frame, and the cylinder is electrically connected with an industrial personal computer.
2. The grinding assembly capable of measuring grinding temperature in real time according to claim 1, wherein the grinding device further comprises an intermediate connecting disc, the intermediate connecting disc is arranged on one surface, away from the motor belt wheel, of the spindle connecting disc through a spring buffer structure, and the combined grinding wheel comprises six grinding wheels arranged in an annular array.
3. A grinding assembly capable of measuring grinding temperature in real time according to claim 2, wherein each grinding wheel is arranged on the intermediate connecting disc through a grinding wheel fixing block, and a baffle is arranged on the outer side wall of the grinding wheel fixing block.
4. The grinding component of claim 2, wherein the temperature acquisition module comprises a thermocouple wire, a thermocouple amplifier, the communication module, a single chip microcomputer and a wireless power supply module, the thermocouple wire is arranged on two adjacent grinding wheel fixing blocks through a temperature transmission fixing block, the thermocouple wire is positioned between the two adjacent grinding wheels, the thermocouple amplifier, the communication module, the single chip microcomputer and the wireless power supply module are arranged on the middle connecting disc through a bottom plate, the thermocouple amplifier is electrically connected with the thermocouple wire and the single chip microcomputer, the single chip microcomputer is connected with the industrial personal computer through the communication module, the wireless power supply module provides electric energy for the thermocouple amplifier, the communication module and the single chip microcomputer, and the industrial personal computer is electrically connected with the cylinder, the bottom plate is positioned in a circular area formed by the grinding wheels which are arranged in an annular array.
5. The grinding assembly capable of measuring grinding temperature in real time according to claim 4, wherein the temperature transmission fixing block is arranged on the grinding wheel fixing block through a fixing base, the temperature transmission fixing block is provided with square holes, two thermocouple wires are arranged in each square hole, a heat insulation layer is arranged between every two adjacent thermocouple wires, and a heat insulation layer is arranged between each thermocouple wire and the inner wall of each square hole.
6. The grinding assembly capable of measuring grinding temperature in real time according to claim 5, wherein the axis of the square hole and the axis of the grinding head spindle are parallel to each other, and the heat insulation layer is a mica sheet.
7. The grinding assembly capable of measuring grinding temperature in real time according to claim 4, wherein the communication module is a Bluetooth communication module.
8. The grinding assembly capable of measuring the grinding temperature in real time according to claim 1, wherein the grinding head control device further comprises at least two guide rods, external threads are arranged at two ends of each guide rod, a limiting part is arranged on the outer wall of the grinding head frame, a guide hole is formed in the limiting part, one end of each guide rod is connected with the cylinder connecting plate, a limiting nut is arranged at the other end of each guide rod after penetrating through the guide hole, and the axis of each guide rod is parallel to the axis of the grinding head spindle.
9. The grinding assembly capable of measuring grinding temperature in real time according to claim 1, wherein the first rolling bearing comprises an inner ring, an outer ring and a rolling body clamped between the inner ring and the outer ring, the inner ring is arranged on the grinding head spindle, the outer ring is arranged on the cylinder connecting plate, a retaining ring is arranged on the grinding head spindle, and the inner ring is located between the retaining ring and the cylinder connecting plate.
10. The method for regulating the grinding pressure of a grinding component capable of measuring the grinding temperature in real time according to any one of claims 1 to 8, comprising the steps of:
s10, setting the upper limit of the working temperature, the safe use temperature and the safe grinding pressure of the grinding wheel by a user through an industrial personal computer;
s20, starting the machine, grinding the workpiece by using the grinding assembly, and when the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the upper limit of the working temperature, controlling the cylinder of the grinding control device by the industrial personal computer to reduce the pressure applied to the workpiece;
and S30, when the temperature control device detects that the temperature of the grinding area of the combined grinding wheel reaches the safe use temperature, the industrial personal computer controls the grinding control device to recover the grinding pressure between the combined grinding wheel and the workpiece, and the workpiece is continuously ground to complete the processing task.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011138567.7A CN112139987A (en) | 2020-10-22 | 2020-10-22 | Grinding assembly capable of measuring grinding temperature in real time and grinding pressure regulating method thereof |
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| CN202011138567.7A CN112139987A (en) | 2020-10-22 | 2020-10-22 | Grinding assembly capable of measuring grinding temperature in real time and grinding pressure regulating method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935965A (en) * | 2021-02-04 | 2021-06-11 | 南通大学 | Plane grinding device for measuring grinding pressure in real time and pressure regulation and control method thereof |
| CN113458968A (en) * | 2021-07-01 | 2021-10-01 | 邓杭生 | Shafting grinding and polishing head of intelligent automatic metallographic grinding and polishing machine |
| CN115070559A (en) * | 2022-03-30 | 2022-09-20 | 安徽邦颜科技有限公司 | Industrial robot abrasive machining equipment and system |
| CN115194651A (en) * | 2022-06-27 | 2022-10-18 | 天通日进精密技术有限公司 | Grinding force detection device for main shaft grinding head of grinding and opening integrated machine |
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| CN112935965A (en) * | 2021-02-04 | 2021-06-11 | 南通大学 | Plane grinding device for measuring grinding pressure in real time and pressure regulation and control method thereof |
| CN113458968A (en) * | 2021-07-01 | 2021-10-01 | 邓杭生 | Shafting grinding and polishing head of intelligent automatic metallographic grinding and polishing machine |
| CN115070559A (en) * | 2022-03-30 | 2022-09-20 | 安徽邦颜科技有限公司 | Industrial robot abrasive machining equipment and system |
| CN115070559B (en) * | 2022-03-30 | 2023-08-22 | 安徽邦颜科技有限公司 | Industrial robot grinding equipment and system |
| CN115194651A (en) * | 2022-06-27 | 2022-10-18 | 天通日进精密技术有限公司 | Grinding force detection device for main shaft grinding head of grinding and opening integrated machine |
| CN115194651B (en) * | 2022-06-27 | 2024-03-29 | 天通日进精密技术有限公司 | Grinding force detection device for main shaft grinding head of grinding-open integrated machine |
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