CN113400091B - Tool and method for monitoring abrasion of roller excircle turning tool - Google Patents
Tool and method for monitoring abrasion of roller excircle turning tool Download PDFInfo
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- CN113400091B CN113400091B CN202110715207.7A CN202110715207A CN113400091B CN 113400091 B CN113400091 B CN 113400091B CN 202110715207 A CN202110715207 A CN 202110715207A CN 113400091 B CN113400091 B CN 113400091B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 88
- 238000007514 turning Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005299 abrasion Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims description 34
- 238000012937 correction Methods 0.000 claims description 15
- 230000002159 abnormal effect Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
- B23Q17/0957—Detection of tool breakage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention discloses a tool and a method for monitoring wear of a roller excircle turning tool. The monitoring tool comprises a base connected with a tool rest of a lathe, a sliding groove arranged on the base, a sliding block arranged on the sliding groove, a supporting plate arranged at the front end of the sliding block, a pair of electronic dial indicators arranged on the supporting plate, a control module connected with the electronic dial indicators, and an alarm connected with the control module, wherein the pair of electronic dial indicators are arranged on the supporting plate at intervals along the axial direction, a chip-preventing protective shell is arranged on the supporting plate and comprises an upper chip-preventing protective shell connected with the upper end surface of the supporting plate and a lower chip-preventing protective shell connected with the lower end surface of the supporting plate, the upper chip-preventing protective shell covers the dial plate part of the pair of electronic dial indicators, and the lower chip-preventing protective shell is a flexible sheath for enclosing the measuring head part of the pair of electronic dial indicators and is in flexible contact with the outer circle of a roller. The invention realizes the automatic monitoring of the cutter abrasion during the turning of the outer circle of the roller and ensures the quality of the roller.
Description
Technical Field
The invention relates to the technical field of roller manufacturing, in particular to a roller excircle turning cutter wear monitoring tool and a monitoring method.
Background
The rolls are the core in the rolling machinery, and the quality diameter of the quality affects the performance of the rolling machinery.
When the roller is in turning, because the axial length of the roller is longer, the hardness of the roller surface is high, certain cutter abrasion is unavoidable during continuous turning, and the cutter abrasion can have larger influence on the machining size of the outer circle of the roller. Particularly, when the cutter is subjected to abnormal wear with a large wear amount for a long period of time, the machining condition may be deteriorated, thereby seriously affecting the machining quality of the roll.
However, in the prior art, during roll processing, an effective monitoring means for abnormal abrasion of a cutter is lacked, and is generally judged by an operator according to experience, and once the abnormal abrasion is found to be too late.
Therefore, it is necessary to improve the existing roller processing technology and discover the abnormal abrasion loss of the cutter during roller processing in time, thereby ensuring the roller processing quality.
Disclosure of Invention
In order to solve the problems, the invention provides a tool and a method for monitoring the abrasion of a cutter for turning the outer circle of a roller, which aim to automatically monitor the abrasion of the cutter during the turning of the outer circle of the roller and ensure the processing quality of the roller. The specific technical scheme is as follows:
The utility model provides a roll excircle turning cutter wear monitoring frock, is including being used for the base that is connected with the knife rest of lathe, setting is in on the base and with the perpendicular spout of axis of rotation direction of lathe, slide setting is in slider on the spout, setting the backup pad of slider front end, set up a pair of electronic dial indicator that has data interface in the backup pad, connect a pair of electronic dial indicator's control module, connect control module's alarm, a pair of electronic dial indicator is in along being parallel to the axis of rotation direction interval arrangement of lathe in the backup pad be located the periphery of a pair of electronic dial indicator is provided with the chip protection shell in the backup pad, the chip protection shell is including connecting the last chip protection shell of backup pad up end and connect the lower chip protection shell of backup pad lower terminal surface, go up the chip protection shell cover the dial plate part of a pair of electronic dial indicator, the chip protection shell is the flexible sheath of a pair of electronic dial indicator of containment, flexible sheath's oral area and roll flexible contact.
As a further improvement of the invention, a pair of permanent magnet plates are respectively arranged at two sides of the bottom of the chute, and the sliding block is arranged in the chute in a sliding way and is fixed by the magnetic attraction force of the permanent magnet plates.
Preferably, the permanent magnet plates are fixed at two sides of the bottom of the chute through screws.
As a further improvement of the invention, a connecting screw hole is arranged in the middle of the bottom of the chute, a waist-shaped hole is arranged on the sliding block, and the sliding block is also fixed by a butterfly bolt penetrating through the waist-shaped hole and connected with the connecting screw hole.
Preferably, the supporting plate is positioned at an obliquely upper position of one side of the excircle of the roller, which is close to the tool rest; the backup pad up end is provided with the location buckle, go up anti-chip protective housing activity suit and be in on the location buckle. The positioning buckle is a quick detachable positioning buckle.
Preferably, the support plate is integrally connected to the slider.
Preferably, the upper anti-chip protective shell is made of transparent materials.
In the invention, the base is connected with a mounting plate, and the control module is arranged on the mounting plate; the control module is provided with a display device for displaying the reading difference value of the pair of electronic dialmeters; the control module is an MCU controller or a PLC controller.
Preferably, the mounting plate is bolted to the base.
In the invention, the turning tool for turning the outer circle of the roller and the base are respectively arranged at two sides of the tool rest. The lathe tool is positioned on one side of the tool rest close to a headstock of the lathe, and the base is positioned on one side of the tool rest far away from the headstock of the lathe.
In order to prevent the pollution of the outer circle of the roller from affecting the monitoring precision, the further improvement scheme is as follows: the tool rest is also provided with a bracket and a compressed air cleaning nozzle connected to the bracket, an inner hole at the outlet end of the compressed air cleaning nozzle is a rectangular flat nozzle hole, the outlet end of the compressed air cleaning nozzle faces the direction of the excircle of the roller, the end part of the outlet end of the compressed air cleaning nozzle is an arc-shaped outlet end part matched with the excircle of the roller, and the compressed air cleaning nozzle is connected with a compressed air source through a pipeline; the compressed air cleaning nozzle is axially positioned between the turning tool and the supporting plate.
A monitoring method of a roller excircle turning cutter wear monitoring tool comprises the following steps:
S0, mounting and correcting a monitoring tool: mounting the monitoring tool on a tool rest of a horizontal lathe, and carrying out zero correction on a pair of electronic dial indicators of the monitoring tool on the lathe by using a standard mandrel;
S1, workpiece installation: clamping the roller on a horizontal lathe;
S2, setting a turning tool, a compressed air cleaning nozzle and a monitoring tool: a turning tool and a compressed air cleaning nozzle are respectively arranged on a tool rest of the lathe; the position of a sliding block on the monitoring tool is adjusted, so that a flexible sheath on the monitoring tool is far away from the excircle of the roller;
S3, turning: turning the outer circle of the roller by starting a lathe, and then cleaning the turned outer circle by starting a compressed air cleaning nozzle;
s4, monitoring tool adjustment: after a section of the outer circle of the roller is machined, a power supply of the monitoring tool is started under the condition that turning is not stopped, a sliding block on the monitoring tool is moved forwards, the opening of a flexible sheath on the monitoring tool is in flexible contact with the outer circle of the roller, a measuring head of a pair of electronic dial indicators is in contact with the outer circle of the roller, and then the sliding block is fixed by a butterfly bolt;
S5, monitoring abnormal abrasion of the cutter: pressing a monitoring button on a control module of the monitoring tool, dynamically acquiring readings of a pair of electronic dial indicators in real time by the control module in the subsequent turning process, and calculating a reading difference of the pair of electronic dial indicators; when the reading difference of the pair of electronic dial indicators is in a preset range, the abnormal abrasion of the cutter does not occur, and the turning can be continued; when the reading difference of a pair of electronic dial indicators exceeds a preset range, abnormal abrasion of the cutter is indicated, and the control module gives an alarm through the alarm to remind a lathe operator of processing.
As a preferable scheme of the monitoring tool correction method in the invention, the monitoring tool correction method in the step S0 is as follows: clamping a standard mandrel on a horizontal lathe, mounting a dial indicator on the position of a lathe tool rest, enabling a measuring head of the dial indicator to contact with the outer circle of the standard mandrel, and adjusting the position of the standard mandrel to enable the readings of the dial indicator to be consistent when the lathe tool rest axially feeds; then the dial indicator is removed, a power supply of the monitoring tool is started, the transverse position of the lathe tool rest is adjusted, the measuring heads of the pair of electronic dial indicators are in contact with the standard mandrel, whether the readings of the pair of electronic dial indicators are the same or not is detected, and the readings of the pair of electronic dial indicators are the same by adjusting the position of the base.
As another preferable scheme of the correction method of the monitoring tool, after the roller is mounted on the horizontal lathe, a section of outer circle can be pre-turned (the section of outer circle which is turned still keeps a certain machining allowance after turning), the outer circle of the section of outer circle is measured by an outside micrometer, and after the outer circle meets the precision requirement, the section of outer circle which is turned is used for replacing a standard mandrel to correct the zero position of a pair of electronic dial indicators on the monitoring tool. And immediately putting the tool wear detection in the follow-up formal processing after the correction of the monitoring tool. The correction method of the monitoring tool can also ensure the correction precision, and save a great amount of time for clamping and correcting the standard mandrel.
The beneficial effects of the invention are as follows:
Firstly, according to the tool and the method for monitoring the wear of the rolling excircle turning tool, a pair of electronic dial indicators (the digital display dial indicators with the data interfaces) connected with the control module are arranged in the anti-chip protective shell, and when the control module monitors whether abnormal wear of the tool exists or not through the reading difference of the pair of electronic dial indicators, an alarm is given out to remind an operator of timely processing (for example, timely replacing a blade) if necessary, so that the occurrence of processing quality accidents can be avoided.
Secondly, the tool and the method for monitoring the wear of the turning tool of the outer circle of the roller are simple in overall structure, convenient to install and good in universality.
Secondly, according to the tool and the method for monitoring the wear of the turning tool of the outer circle of the roller, the anti-scrap protection shell is arranged on the periphery of the pair of electronic dial indicators, so that the influence of scrap iron splashing is prevented, and on the other hand, dirt can be prevented from entering the anti-scrap protection shell due to the fact that the lower anti-scrap protection shell is a flexible sheath flexibly contacted with the outer circle of the roller, and therefore the measurement accuracy of the pair of electronic dial indicators is guaranteed.
Thirdly, according to the tool and the method for monitoring the wear of the turning tool of the outer circle of the roller, through the arrangement of the compressed air cleaning nozzle, the compressed air cleaning nozzle and the anti-chip protection shell cooperate with each other, and double anti-fouling is realized.
Drawings
FIG. 1 is a schematic structural view of a tool for monitoring wear of a turning tool for an excircle of a roller;
Fig. 2 is a left side view of fig. 1.
In the figure: 1. the automatic chip-cleaning machine comprises a tool rest, 2, a base, 3, a rotation axis, 4, a sliding groove, 5, a sliding block, 6, a supporting plate, 7, an electronic dial indicator, 8, a control module, 9, an alarm, 10, a chip-protection shell, 11, an upper chip-protection shell, 12, a lower chip-protection shell (flexible sheath), 13, a permanent magnet plate, 14, a kidney-shaped hole, 15, a butterfly bolt, 16, a positioning buckle, 17, a mounting plate, 18, a display device, 19, a roller, 20, a turning tool, 21, a bracket, 22 and a compressed air cleaning nozzle.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Example 1:
An embodiment of a tool wear monitoring tool for turning an outer circle of a roll according to the present invention is shown in fig. 1 to 2, which comprises a base 2 for connection with a tool rest 1 of a lathe, a chute 4 provided on the base 2 and perpendicular to the direction of a rotation axis 3 of the lathe, a slide block 5 slidably provided on the chute 4, a support plate 6 provided at the front end of the slide block 5, a pair of electronic dialgage 7 provided on the support plate 6 and having a data interface, a control module 8 connected to the pair of electronic dialgage 7, an alarm 9 connected to the control module 8, the pair of electronic dialgage 7 being arranged on the support plate 6 at intervals in a direction parallel to the rotation axis 3 of the lathe, a chip-preventing protective housing 10 being provided on the periphery of the pair of electronic dialgage 7 on the support plate 6, the chip-preventing protective housing 10 comprising an upper chip-preventing protective housing 11 connected to an upper end surface of the support plate 6 and a lower chip-preventing protective housing 12 connected to a lower end surface of the support plate 6, the upper chip-preventing protective housing 11 covering a dial plate 7 portion 12, the lower chip-preventing housing portion 12 being a flexible roll-protecting portion 12 of the pair of electronic dialgage 7.
As a further improvement of the embodiment, a pair of permanent magnet plates 13 are respectively arranged at two sides of the bottom of the chute 4, and the sliding block 5 is slidably arranged in the chute 4 and is fixed by the magnetic attraction force of the permanent magnet plates 13.
Preferably, the permanent magnet plates 13 are fixed at two sides of the bottom of the chute 4 by screws.
As a further improvement of the embodiment, a connecting screw hole is arranged in the middle of the bottom of the chute 4, a kidney-shaped hole 14 is arranged on the sliding block 5, and the sliding block 4 is also fixed by a butterfly bolt 15 penetrating through the kidney-shaped hole 14 and connected with the connecting screw hole.
Preferably, the supporting plate 6 is positioned at an obliquely upper position of the outer circle of the roller 19 on one side of the tool rest 1; the upper end face of the supporting plate 6 is provided with a positioning buckle 6, and the upper anti-chip protection shell 11 is movably sleeved on the positioning buckle 6. The positioning buckle 6 is a quick detachable positioning buckle.
Preferably, the support plate 6 is integrally connected to the slider 5.
Preferably, the upper chip-preventing protective shell 11 is made of transparent material.
In this embodiment, the base 2 is connected to a mounting board 17, and the control module 8 is disposed on the mounting board 17; the control module 8 is provided with a display device 18 for displaying the reading difference value of the pair of electronic dialgage 7; the control module 8 is an MCU controller or a PLC controller.
Preferably, the mounting plate 17 is bolted to the base 2.
In this embodiment, the turning tool 20 for turning the outer circle of the roller 19 and the base 2 are separately disposed on two sides of the tool rest 1. Wherein the turning tool 20 is positioned on the headstock side of the lathe on the tool rest 1, and the base 2 is positioned on the headstock side of the lathe away from the lathe on the tool rest 1.
In order to prevent the outer circle pollution of the roller 19 from affecting the monitoring precision, the further improvement scheme is as follows: the tool rest 1 is also provided with a bracket 21 and a compressed air cleaning nozzle 22 connected to the bracket 21, an inner hole at the outlet end of the compressed air cleaning nozzle 22 is a rectangular flat nozzle hole, the outlet end of the compressed air cleaning nozzle 22 faces the direction of the excircle of the roller 19, the outlet end of the compressed air cleaning nozzle 22 is an arc outlet end matched with the excircle of the roller 19, and the compressed air cleaning nozzle 22 is connected with a compressed air source through a pipeline; the compressed air cleaning nozzle 22 is axially located between the turning tool 20 and the support plate 6.
Example 2:
the method for monitoring the wear monitoring tool of the roller excircle turning tool by adopting the embodiment 1 comprises the following steps:
s0, mounting and correcting a monitoring tool: mounting the monitoring tool on a tool rest 1 of a horizontal lathe, and carrying out zero correction on a pair of electronic dial indicators 7 of the monitoring tool on the lathe by using a standard mandrel;
S1, workpiece installation: clamping the roller 19 on a horizontal lathe;
S2, setting a turning tool, a compressed air cleaning nozzle and a monitoring tool: a turning tool 20 and a compressed air cleaning nozzle 22 are respectively arranged on a tool rest 1 of the lathe; the position of the sliding block 5 on the monitoring tool is adjusted, so that the flexible sheath 12 on the monitoring tool is far away from the excircle of the roller 19;
S3, turning: turning the outer circle of the roller 19 by starting a lathe, and then cleaning the turned outer circle by starting a compressed air cleaning nozzle 22;
S4, monitoring tool adjustment: after a section of the outer circle of the roller 19 is machined, a power supply of the monitoring tool is started under the condition that turning is not stopped, and the sliding block 5 on the monitoring tool is moved forwards, so that the opening part of the flexible sheath 12 on the monitoring tool is in flexible contact with the outer circle of the roller 19, and meanwhile, the measuring heads of a pair of electronic dial indicators 7 are in contact with the outer circle of the roller 19, and then the sliding block is fixed by the butterfly bolt 15;
S5, monitoring abnormal abrasion of the cutter: pressing a monitoring button on a control module 8 of the monitoring tool, dynamically acquiring the readings of a pair of electronic dialmeters 7 in real time by the control module 8 in the subsequent turning process, and calculating the reading difference of the pair of electronic dialmeters 7; when the reading difference of the pair of electronic dial indicators 7 is in a preset range, the abnormal abrasion of the cutter does not occur, and the turning can be continued; when the reading difference of the pair of electronic dialmeters 7 exceeds a preset range, abnormal abrasion of the cutter is indicated, and the control module 8 gives an alarm through the alarm 9 to remind a lathe operator of processing.
As a preferable scheme of the monitoring tool correction method in this embodiment, the monitoring tool correction method in step S0 is as follows: clamping a standard mandrel on a horizontal lathe, mounting a dial indicator on the position of a lathe tool rest 1, enabling a measuring head of the dial indicator to contact with the outer circle of the standard mandrel, and adjusting the position of the standard mandrel to enable the readings of the dial indicator to be consistent when the lathe tool rest axially feeds; then the dial indicator is removed, a power supply of the monitoring tool is started, the transverse position of the lathe tool rest is adjusted, the measuring heads of the pair of electronic dial indicators 7 are in contact with the standard mandrel, whether the readings of the pair of electronic dial indicators 7 are the same or not is detected, and the readings of the pair of electronic dial indicators 7 are the same by adjusting the position of the base 2.
As another preferable scheme of the correction method of the monitoring tool in this embodiment, after the roller 19 is mounted on the horizontal lathe, a section of outer circle (the section of outer circle after the test is finished still retains a certain machining allowance) may be pre-finished, the outer diameter micrometer is used to measure the size of the section of outer circle, and after the outer circle meets the precision requirement, the section of outer circle after the test is finished is used to replace the standard mandrel to correct the zero position of the electronic dial indicator 7 on the monitoring tool. And immediately putting the tool wear detection in the follow-up formal processing after the correction of the monitoring tool. The correction method of the monitoring tool can also ensure the correction precision, and save a great amount of time for clamping and correcting the standard mandrel.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. The utility model provides a roll excircle turning cutter wear monitoring frock, its characterized in that, is including being used for the base that is connected with the knife rest of lathe, setting is in on the base and with the perpendicular spout of rotation axis direction of lathe, slide setting is in slider, setting on the slider front end the backup pad, set up a pair of electronic dial indicator that has data interface in the backup pad, connect a pair of electronic dial indicator's control module, connect control module's alarm, a pair of electronic dial indicator is in along being on a parallel with the rotation axis direction interval arrangement of lathe in the backup pad lie in the periphery of a pair of electronic dial indicator is provided with anti-chip protective housing in the backup pad, anti-chip protective housing is including connecting anti-chip protective housing on the backup pad up end and connect anti-chip protective housing down in the backup pad lower terminal surface, go up anti-chip protective housing covers the dial plate part of a pair of electronic dial indicator, lower anti-chip protective housing is a pair of electronic dial indicator's gauge head part flexible sheath, flexible sheath's oral area and roll flexible contact.
2. The tool for monitoring the wear of the turning tool of the excircle of the roller according to claim 1, wherein a pair of permanent magnet plates are respectively arranged at two sides of the bottom of the chute, and the sliding block is slidably arranged in the chute and is fixed by the magnetic attraction force of the permanent magnet plates.
3. The tool for monitoring the wear of the outer circle turning tool of the roller according to claim 2, wherein a connecting screw hole is formed in the middle of the bottom of the chute, a kidney-shaped hole is formed in the sliding block, and the sliding block is further fixed through a butterfly bolt penetrating through the kidney-shaped hole and connected with the connecting screw hole.
4. The tool for monitoring the wear of the turning tool of the excircle of the roller according to claim 1, wherein the supporting plate is positioned at an obliquely upper position on one side of the excircle of the roller close to the tool rest; the backup pad up end is provided with the location buckle, go up anti-chip protective housing activity suit and be in on the location buckle.
5. The tool wear monitoring tool for turning the outer circle of the roller according to claim 1, wherein the upper chip-preventing protective shell is made of transparent materials.
6. The tool for monitoring the wear of the turning tool of the excircle of the roller according to claim 1, wherein the base is connected with a mounting plate, and the control module is arranged on the mounting plate; the control module is provided with a display device for displaying the reading difference value of the pair of electronic dialmeters; the control module is an MCU controller or a PLC controller.
7. The tool for monitoring the wear of the turning tool of the excircle of the roller according to claim 1, wherein the tool rest is further provided with a bracket and a compressed air cleaning nozzle connected to the bracket, an inner hole at the outlet end of the compressed air cleaning nozzle is a rectangular flat nozzle hole, the outlet end of the compressed air cleaning nozzle faces the excircle direction of the roller, the outlet end part of the compressed air cleaning nozzle is an arc outlet end part matched with the excircle of the roller, and the compressed air cleaning nozzle is connected with a compressed air source through a pipeline; the compressed air cleaning nozzle is axially positioned between the turning tool and the supporting plate.
8. A monitoring method using the tool for monitoring wear of a turning tool for outer circle turning of a roll according to any one of claims 1 to 7, comprising the steps of:
S0, mounting and correcting a monitoring tool: mounting the monitoring tool on a tool rest of a horizontal lathe, and carrying out zero correction on a pair of electronic dial indicators of the monitoring tool on the lathe by using a standard mandrel;
S1, workpiece installation: clamping the roller on a horizontal lathe;
S2, setting a turning tool, a compressed air cleaning nozzle and a monitoring tool: a turning tool and a compressed air cleaning nozzle are respectively arranged on a tool rest of the lathe; the position of a sliding block on the monitoring tool is adjusted, so that a flexible sheath on the monitoring tool is far away from the excircle of the roller;
S3, turning: turning the outer circle of the roller by starting a lathe, and then cleaning the turned outer circle by starting a compressed air cleaning nozzle;
s4, monitoring tool adjustment: after a section of the outer circle of the roller is machined, a power supply of the monitoring tool is started under the condition that turning is not stopped, a sliding block on the monitoring tool is moved forwards, the opening of a flexible sheath on the monitoring tool is in flexible contact with the outer circle of the roller, a measuring head of a pair of electronic dial indicators is in contact with the outer circle of the roller, and then the sliding block is fixed by a butterfly bolt;
S5, monitoring abnormal abrasion of the cutter: pressing a monitoring button on a control module of the monitoring tool, dynamically acquiring readings of a pair of electronic dial indicators in real time by the control module in the subsequent turning process, and calculating a reading difference of the pair of electronic dial indicators; when the reading difference of the pair of electronic dial indicators is in a preset range, the abnormal abrasion of the cutter does not occur, and the turning can be continued; when the reading difference of a pair of electronic dial indicators exceeds a preset range, abnormal abrasion of the cutter is indicated, and the control module gives an alarm through the alarm to remind a lathe operator of processing.
9. The method for monitoring the tool for monitoring the wear of the turning tool for the outer circle of the roll according to claim 8, wherein the method for correcting the tool for monitoring in the step S0 is as follows: clamping a standard mandrel on a horizontal lathe, mounting a dial indicator on the position of a lathe tool rest, enabling a measuring head of the dial indicator to contact with the outer circle of the standard mandrel, and adjusting the position of the standard mandrel to enable the readings of the dial indicator to be consistent when the lathe tool rest axially feeds; then the dial indicator is removed, a power supply of the monitoring tool is started, the transverse position of the lathe tool rest is adjusted, the measuring heads of the pair of electronic dial indicators are in contact with the standard mandrel, whether the readings of the pair of electronic dial indicators are the same or not is detected, and the readings of the pair of electronic dial indicators are the same by adjusting the position of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715207.7A CN113400091B (en) | 2021-06-26 | 2021-06-26 | Tool and method for monitoring abrasion of roller excircle turning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715207.7A CN113400091B (en) | 2021-06-26 | 2021-06-26 | Tool and method for monitoring abrasion of roller excircle turning tool |
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| Publication Number | Publication Date |
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| CN113400091A CN113400091A (en) | 2021-09-17 |
| CN113400091B true CN113400091B (en) | 2024-07-12 |
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| CN115342708A (en) * | 2022-07-18 | 2022-11-15 | 阳春新钢铁有限责任公司 | Method for detecting groove machining precision |
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