CN114608510B - Automatic external diameter measuring device of lathe with accurate measurement effect - Google Patents
Automatic external diameter measuring device of lathe with accurate measurement effect Download PDFInfo
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- CN114608510B CN114608510B CN202210325764.2A CN202210325764A CN114608510B CN 114608510 B CN114608510 B CN 114608510B CN 202210325764 A CN202210325764 A CN 202210325764A CN 114608510 B CN114608510 B CN 114608510B
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- sleeve
- measuring instrument
- collecting box
- measuring
- fixedly arranged
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- 230000000694 effects Effects 0.000 title claims abstract description 48
- 238000005259 measurement Methods 0.000 title claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 34
- 239000010687 lubricating oil Substances 0.000 claims description 27
- 239000003921 oil Substances 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 33
- 239000013078 crystal Substances 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 description 42
- 238000005192 partition Methods 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/02—Oil catchers; Oil wipers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention belongs to the technical field of machine tools, in particular to an automatic outer diameter measuring device with an accurate measuring effect, which comprises a mounting base, wherein a measuring instrument support is fixedly arranged on the mounting base, an adjusting block is arranged at the top end of the measuring instrument support, a measuring instrument oil cylinder is fixedly arranged on the adjusting block, a connecting block is arranged on the measuring instrument oil cylinder, and a measuring instrument is fixedly arranged on the connecting block; the position of the measuring head of the measuring instrument is adjusted to ensure that the measuring head measuring position is positioned at the diameter of the crystal bar, so that the machine tool can measure the excircle of the crystal bar on line, output the absolute value of measurement, and ensure the subsequent grinding and action.
Description
Technical Field
The invention belongs to the technical field of machine tools, and particularly relates to an automatic outer diameter measuring device of a machine tool with an accurate measuring effect.
Background
Along with the social development, in order to meet the development of the semiconductor industry and meet the requirements of the market on the rounding and directional grinding (grooving) of round bars such as monocrystalline silicon, semiconductors, sapphires and quartz, a numerical control crystal rounding machine is required to be used for processing during the rounding and directional grinding (grooving) processes.
The existing semiconductor industry generally has low requirement on cylindrical grinding of semiconductor parts and low processing efficiency, and a plurality of companies advance an automation process for improving the processing efficiency and increasing the output, but a machine tool is required to provide a corresponding measuring device for realizing automatic wiring to meet the requirement, and the existing semiconductor industry generally operates manually, so that the problem is lacking.
Therefore, the invention provides the automatic outer diameter measuring device for the machine tool, which has an accurate measuring effect.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an automatic outer diameter measuring device with an accurate measuring effect for a machine tool, which comprises a mounting base, wherein a measuring instrument support is fixedly arranged on the mounting base, an adjusting block is arranged at the top end of the measuring instrument support, a measuring instrument oil cylinder is fixedly arranged on the adjusting block, a connecting block is arranged on the measuring instrument oil cylinder, and a measuring instrument is fixedly arranged on the connecting block; the existing semiconductor industry generally has low requirement on cylindrical grinding of semiconductor parts and low processing efficiency, and a plurality of companies advance an automatic process for improving the processing efficiency and increasing the output, but a machine tool is required to provide a corresponding measuring device for realizing automatic wiring to meet the requirement, and the existing semiconductor industry generally operates manually, so that the problem is lacking; during installation, the installation base is fixed on the front side of the lathe bed, then the gauge bracket, the gauge cylinder, the connecting block and the like are sequentially installed, finally the position of the gauge measuring head is adjusted, the position measured by the gauge head is ensured to be positioned at the diameter of the crystal bar, thereby realizing the online measurement of the excircle of the crystal bar by the lathe, outputting the measurement absolute value, ensuring the subsequent grinding and action.
Preferably, a protective sleeve with an opening at the bottom end is fixedly arranged on the adjusting block, the protective sleeve covers the measuring instrument oil cylinder, the connecting block and the measuring instrument, a mounting groove is formed in the protective sleeve, a first air bag matched with the bottom end of the protective sleeve is fixedly arranged on the mounting groove, and a driving mechanism for driving the first air bag to shrink is arranged in the protective sleeve; when not measuring, under actuating mechanism's effect, be full of gas in the first gasbag, first gasbag paves and blocks up the port of lag this moment, thereby can prevent that dust impurity from entering into in the lag and contact with the measuring instrument, play the effect that prevents the measuring instrument surface by pollution, when needs are measured the work piece, first gasbag shrink under actuating mechanism's effect, the port of lag is opened this moment, consequently the measuring instrument can normally stretch out from the lag, consequently can prevent under actuating mechanism's effect that the measuring instrument is polluted, can ensure again that the measuring instrument normally works.
Preferably, the driving mechanism comprises a sleeve fixedly installed in the protective sleeve, an air pipe is fixedly installed at the top end of the sleeve, the other end of the air pipe is communicated with the installation groove, a piston plate made of magnetic materials is slidably installed in the sleeve, an elastic rope is fixedly installed between the piston plate and the inner top wall of the sleeve, and a coil electrically connected with the measuring instrument is fixedly installed on the inner bottom wall of the sleeve; when the air pump is in an initial state, the elastic rope pulls the piston plate, at the moment, the piston plate moves to the top end of the sleeve, so that air in the sleeve is extruded by the piston plate and enters the mounting groove through the air pipe, the first air bag starts to stretch, when measurement is needed, the measuring instrument is electrified, at the moment, a magnetic field which is mutually attracted with the piston plate made of magnetic materials is generated around the coil, the piston plate is close to the coil under the action of the magnetic field, the pressure in the space above the piston plate in the sleeve is reduced, the sleeve is pumped out of the mounting groove and the first air bag through the air pipe, after the air in the first air bag is pumped out, the first air bag is contracted and returns to the mounting groove, so that the port of the protective sleeve is opened, the effect of driving the first air bag to stretch is achieved, and the driving mode does not need an external power source, so that the cost saving effect is achieved.
Preferably, the inner side wall of the protective sleeve is uniformly and fixedly provided with a collecting box, the outer wall of the collecting box is an arc surface, the inner side wall of the collecting box is fixedly provided with a strong magnet, and the collecting box is obliquely inserted with a guide pipe matched with the strong magnet; when the measuring instrument measures the workpiece, the metal impurities with smaller volume on the surface of the workpiece are attached to the surface of the measuring instrument, the measuring instrument is retracted into the protecting sleeve, the metal impurities on the surface of the measuring instrument are adsorbed onto the outer wall of the collecting box under the action of the strong magnet and move along the arc-shaped surface of the collecting box, when the impurities move to the pipe orifice of the pipe, the impurities move along the pipe and enter the collecting box, so that the effect of cleaning the surface of the measuring instrument is achieved, and when the measuring instrument is used for measuring again, the impurities attached to the surface of the measuring instrument are cleaned off through the movement of the measuring instrument along the surface of the workpiece, and the effect of preventing scratches on the surface of the measuring instrument and the workpiece caused by the fact that the impurities are clamped between the measuring instrument and the workpiece is achieved.
Preferably, a through hole is formed in the top wall of the collecting box, a partition plate is fixedly arranged at a position, located below the through hole, in the collecting box, a space formed between the top wall of the partition plate and the inner wall of the collecting box is an oil cavity, lubricating oil is filled in the oil cavity, an elastic membrane is fixedly arranged on the top wall of the partition plate, a second air bag is fixedly arranged in the collecting box, the second air bag surrounds the strong magnet, a first one-way valve and a second one-way valve are respectively fixedly arranged on an air inlet and an air outlet of the second air bag, and a communicating pipe extending to the top wall of the partition plate is fixedly arranged on the second one-way valve; when impurity flows out from the pipe, impurity striking second gasbag under the effect of attraction force, this moment is under the effect of first check valve and second check valve, gas in the second gasbag enters into the airtight space between baffle and the elastic membrane along communicating pipe, this time the gas content in the space increases, pressure increases, therefore the elastic membrane inflation, the lubricating oil in the elastic membrane promotion oil pocket of inflation, thereby make lubricating oil in the oil pocket flow along the through-hole, the lubricating oil cover that flows is on the outer wall of collecting box, therefore when impurity flows along the outer wall of collecting box, the frictional force between impurity and the collecting box has been reduced, the effect of guaranteeing that impurity can remove in the pipe has been played.
Preferably, a deflector is obliquely and fixedly arranged on the outer wall of the collecting box, and the deflector is matched with the through hole; the impurity moves along the surface of the guide plate under the action of the guide plate, so that the impurity cannot contact with the through hole, and the effect of preventing the through hole from being blocked is achieved.
Preferably, a friction sleeve is fixedly arranged in the collecting box, a friction rod is rotatably arranged in the friction sleeve, an installation pipe communicated with the air pipe is fixedly arranged on the outer wall of the protective sleeve, a rotating rod is horizontally and rotatably arranged in the installation pipe, a wind cup is uniformly and fixedly arranged on the rotating rod, and one end of the rotating rod extends into the friction sleeve and is fixedly connected with the friction rod; when the gas flows through the mounting tube, the air flow impacts the wind cup, so that the wind cup drives the rotating rod and the friction rod to rotate, the friction rod and the friction sleeve rub each other and generate heat in the rotating process of the friction rod, the heat is emitted into the collecting box at the moment and is transferred to the lubricating oil under the action of heat exchange, the viscosity of the lubricating oil is reduced, the fluidity of the lubricating oil is enhanced, and the speed of the lubricating oil covering the surface of the collecting box is accelerated.
Preferably, the friction sleeve is made of multi-layer barrel-shaped wire netting; the friction sleeve that multilayer barrel-shaped wire netting stack was together made is comparatively fluffy, consequently can closely laminate with the friction stick to increased the hot efficiency of friction, and under the effect of wire netting surface's hole, produced heat can be transmitted to the collection box in, accelerated the heating rate to lubricating oil.
Preferably, a guide rod is vertically and fixedly arranged in the sleeve, and the outer edges of the top wall and the bottom wall of the piston plate are arc-shaped; the friction force between the piston plate and the sleeve can be reduced by reducing the contact area of the piston plate and the sleeve, so that the moving speed of the piston plate is accelerated, the thickness of the piston plate is thinner, a moving path of the piston plate with smaller thickness can be limited by installing the guide rod, and the effect of preventing the piston plate from being blocked in the sleeve is achieved.
Preferably, a spring is fixedly arranged in the mounting pipe, and the spring is fixedly connected with the rotating rod; when the air current passes through the installation tube, the rotating rod is driven to rotate under the action of the wind cup, the spring stores force at the moment, and keeps in a force storage state under the action of the impact force of the air current.
The beneficial effects of the invention are as follows:
1. according to the automatic outer diameter measuring device with the accurate measuring effect for the machine tool, the measuring head is adjusted to ensure that the measuring head is positioned at the diameter of the crystal bar, so that the machine tool can measure the outer circle of the crystal bar on line, output the absolute value of measurement, and ensure the subsequent grinding and action.
2. According to the automatic outer diameter measuring device with the accurate measuring effect for the machine tool, the first air bag is filled with air under the action of the driving mechanism, the first air bag is paved and the port of the protective sleeve is blocked, so that dust and impurities can be prevented from entering the protective sleeve to be contacted with the measuring instrument, the effect of preventing the surface of the measuring instrument from being polluted is achieved, when a workpiece is required to be measured, the first air bag is contracted under the action of the driving mechanism, the port of the protective sleeve is opened, and therefore the measuring instrument can normally extend out of the protective sleeve, the measuring instrument can be prevented from being polluted under the action of the driving mechanism, and normal work of the measuring instrument can be ensured.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention with the protective sheath removed;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a combination diagram of a protective sleeve and mounting tube of the present invention;
FIG. 4 is a cross-sectional view of a protective sleeve of the present invention; the method comprises the steps of carrying out a first treatment on the surface of the
FIG. 5 is a cross-sectional view of B-B of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is a partial enlarged view at D in FIG. 6;
FIG. 8 is a cross-sectional view of a friction sleeve in accordance with a second embodiment of the present invention;
in the figure: 1. a mounting base; 2. a gauge stand; 3. adjusting the block; 4. a gauge cylinder; 5. a connecting block; 6. a measuring instrument; 7. a protective sleeve; 8. a mounting groove; 9. a first air bag; 10. a sleeve; 11. an air pipe; 12. a piston plate; 13. an elastic rope; 14. a coil; 15. a collection box; 16. strong magnet; 17. a conduit; 18. a partition plate; 19. an elastic film; 20. a second air bag; 21. a first one-way valve; 22. a second one-way valve; 23. a communicating pipe; 24. a deflector; 25. a friction sleeve; 26. a friction bar; 27. installing a pipe; 28. a rotating lever; 29. a wind cup; 30. a guide rod; 31. a spring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 and 2, the automatic outer diameter measuring device with accurate measuring effect for a machine tool according to the embodiment of the invention comprises a mounting base 1, wherein a measuring instrument support 2 is fixedly arranged on the mounting base 1, an adjusting block 3 is arranged at the top end of the measuring instrument support 2, a measuring instrument oil cylinder 4 is fixedly arranged on the adjusting block 3, a connecting block 5 is arranged on the measuring instrument oil cylinder 4, and a measuring instrument 6 is fixedly arranged on the connecting block 5; the existing semiconductor industry generally has low requirement on cylindrical grinding of semiconductor parts and low processing efficiency, and a plurality of companies advance an automatic process for improving the processing efficiency and increasing the output, but a machine tool is required to provide a corresponding measuring device for realizing automatic wiring to meet the requirement, and the existing semiconductor industry generally operates manually, so that the problem is lacking; during installation, the installation base 1 is fixed on the front side of the machine tool body, then the gauge bracket 2, the gauge cylinder 4, the connecting block 5 and the like are sequentially installed, finally the position of the gauge measuring head is adjusted, the position measured by the gauge measuring head is ensured to be positioned at the diameter of the crystal bar, thereby realizing the on-line measurement of the excircle of the crystal bar by the machine tool, outputting the absolute value for measurement, ensuring the subsequent grinding and action, and adopting an inclined 45-degree angle in-out mode to on-line measure the outer diameter of the ground crystal bar in order to avoid interference with the hydraulically controlled tailstock, thereby facilitating the subsequent grinding and clamping.
As shown in fig. 4, a protecting sleeve 7 with an opening at the bottom end is fixedly installed on the adjusting block 3, the protecting sleeve 7 covers the measuring instrument cylinder 4, the connecting block 5 and the measuring instrument 6, a mounting groove 8 is formed in the protecting sleeve 7, a first air bag 9 matched with the bottom end of the protecting sleeve 7 is fixedly installed on the mounting groove 8, and a driving mechanism for driving the first air bag 9 to shrink is arranged in the protecting sleeve 7; when not measuring, under actuating mechanism's effect, be full of gas in the first gasbag 9, first gasbag 9 paves and blocks up the port of lag 7 this moment, thereby can prevent that dust impurity from entering into lag 7 in with measuring instrument 6 contact, play the effect that prevents measuring instrument 6 surface by the pollution, when need measure the work piece, first gasbag 9 shrink under actuating mechanism's effect, the port of lag 7 is opened this moment, consequently measuring instrument 6 can normally stretch out from lag 7, consequently can prevent measuring instrument 6 by the pollution under actuating mechanism's effect, can ensure measuring instrument 6 normal operating again.
As shown in fig. 4, the driving mechanism includes a sleeve 10 fixedly installed in the protective sleeve 7, an air pipe 11 is fixedly installed at the top end of the sleeve 10, the other end of the air pipe 11 is communicated with the installation groove 8, a piston plate 12 made of magnetic material is slidably installed in the sleeve 10, an elastic rope 13 is fixedly installed between the piston plate 12 and the inner top wall of the sleeve 10, and a coil 14 electrically connected with the measuring instrument 6 is fixedly installed on the inner bottom wall of the sleeve 10; in the initial state, the elastic rope 13 pulls the piston plate 12, at this time, the piston plate 12 moves to the top end of the sleeve 10, so that the gas in the sleeve 10 is extruded by the piston plate 12 and enters the mounting groove 8 through the gas pipe 11, the first gas bag 9 starts to stretch, when the measurement is needed, the measuring instrument 6 is electrified, at this time, a magnetic field which is mutually attracted with the piston plate 12 made of magnetic materials is generated around the coil 14, the piston plate 12 is close to the coil 14 under the action of the magnetic field, so that the pressure in the space above the piston plate 12 in the sleeve 10 is reduced, the sleeve 10 is pumped out of the mounting groove 8 and the first gas bag 9 through the gas pipe 11, after the gas in the first gas bag 9 is pumped out, the first gas bag 9 is contracted and returns to the mounting groove 8, so that the port of the protective sleeve 7 is opened, therefore, the effect of driving the first gas bag 9 to stretch is achieved, and the driving mode does not need of an external power source, so that the effect of saving cost is achieved.
As shown in fig. 4 and 5, the inner side wall of the protecting sleeve 7 is uniformly and fixedly provided with a collecting box 15, the outer wall of the collecting box 15 is a cambered surface, the inner side wall of the collecting box 15 is fixedly provided with a strong magnet 16, and the collecting box 15 is obliquely inserted with a guide pipe 17 matched with the strong magnet 16; when the measuring instrument 6 measures a workpiece, metal impurities with smaller volume on the surface of the workpiece are attached to the surface of the measuring instrument 6, in the process that the measuring instrument 6 is retracted into the protective sleeve 7, the metal impurities on the surface of the measuring instrument 6 are adsorbed onto the outer wall of the collecting box 15 under the action of the strong magnet 16 and move along the arc-shaped surface of the collecting box 15, the impurities move along the surface of the collecting box 15, when moving to the pipe orifice of the pipe 17, the impurities move along the pipe 17 and enter the collecting box 15, so that the effect of cleaning the surface of the measuring instrument 6 is achieved, and when the measuring instrument 6 is reused for measurement, the effect of preventing scratches on the surface of the measuring instrument 6 and the workpiece caused by clamping the impurities between the measuring instrument 6 and the workpiece is achieved because the impurities attached to the surface of the measuring instrument 6 are cleaned.
As shown in fig. 6 and 7, a through hole is formed in a top wall of the collecting box 15, a partition 18 is fixedly installed at a position below the through hole in the collecting box 15, a space formed between the top wall of the partition 18 and an inner wall of the collecting box 15 is an oil cavity, lubricating oil is filled in the oil cavity, an elastic membrane 19 is fixedly installed on the top wall of the partition 18, a second air bag 20 is fixedly installed in the collecting box 15, the second air bag 20 surrounds the strong magnet 16, a first check valve 21 and a second check valve 22 are fixedly installed on an air inlet and an air outlet of the second air bag 20 respectively, and a communicating pipe 23 extending to the top wall of the partition 18 is fixedly installed on the second check valve 22; when the impurities flow out of the guide tube 17, the impurities strike the second air bag 20 under the action of attraction force, at this time, under the action of the first check valve 21 and the second check valve 22, the gas in the second air bag 20 enters into the airtight space between the partition 18 and the elastic membrane 19 along the communicating tube 23, at this time, the gas content in the space increases, the pressure increases, and therefore the elastic membrane 19 expands, the expanded elastic membrane 19 pushes the lubricating oil in the oil cavity, so that the lubricating oil in the oil cavity flows out along the through hole, and the flowing lubricating oil covers the outer wall of the collecting box 15, so that when the impurities flow along the outer wall of the collecting box 15, the friction force between the impurities and the collecting box 15 is reduced, and the effect of ensuring that the impurities can move into the guide tube 17 is played.
As shown in fig. 7, a baffle 24 is fixedly installed on the outer wall of the collecting box 15 in an inclined manner, and the baffle 24 is matched with the through hole; the foreign matter moves along the surface of the baffle 24 under the action of the baffle 24, so that the foreign matter cannot contact with the through holes, thereby playing a role in preventing the through holes from being blocked.
As shown in fig. 5 and 6, a friction sleeve 25 is fixedly installed in the collection box 15, a friction rod 26 is rotatably installed in the friction sleeve 25, an installation pipe 27 communicated with the air pipe 11 is fixedly installed on the outer wall of the protective sleeve 7, a rotating rod 28 is horizontally rotatably installed in the installation pipe 27, wind cups 29 are uniformly and fixedly installed on the rotating rod 28, and one end of the rotating rod 28 extends into the friction sleeve 25 and is fixedly connected with the friction rod 26; when the gas flows through the mounting tube 27, the air flow impacts the air cup 29, so that the air cup 29 drives the rotating rod 28 and the friction rod 26 to rotate, the friction rod 26 and the friction sleeve 25 rub each other and generate heat in the process of rotating the friction rod 26, the heat is emitted into the collecting box 15 at the moment and is transferred to the lubricating oil under the action of heat exchange, the viscosity of the lubricating oil is reduced, the fluidity of the lubricating oil is enhanced, and the speed of covering the surface of the collecting box 15 by the lubricating oil is accelerated.
As shown in fig. 6, the friction sleeve 25 is made of a multi-layer barrel-shaped wire mesh; the friction sleeve 25 made by overlapping the multi-layer barrel-shaped wire netting is fluffy, so that the friction sleeve can be tightly attached to the friction rod 26, the friction heating efficiency is increased, and under the action of holes on the surface of the wire netting, generated heat can be transferred to the collecting box 15, so that the heating rate of lubricating oil is accelerated.
As shown in fig. 4, a guide rod 30 is vertically and fixedly installed in the sleeve 10, and the outer edges of the top wall and the bottom wall of the piston plate 12 are both arc-shaped; the friction force between the piston plate 12 and the sleeve 10 can be reduced by reducing the contact area between the piston plate 12 and the sleeve 10, so that the moving speed of the piston plate 12 can be increased, and therefore, the thickness of the piston plate 12 is thinner, and the moving path of the piston plate 12 with smaller thickness can be defined by installing the guide rod 30, thereby playing a role of preventing the piston plate 12 from being blocked in the sleeve 10 and being unable to move.
Example two
As shown in fig. 8, in comparative example one, another embodiment of the present invention is: a spring 31 is fixedly arranged in the mounting pipe 27, and the spring 31 is fixedly connected with the rotating rod 28; when the air current passes through the mounting tube 27, the rotating rod 28 is driven to rotate under the action of the wind cup 29, the spring 31 stores force at the moment, and the spring 31 keeps the force storage state under the action of the impact force of the air current, when the air current in the mounting tube 27 stops flowing, the wind cup 29 stops driving the rotating rod 28 to rotate, and the spring 31 starts to release force and drives the rotating rod 28 to rotate reversely, so that the rotating time of the rotating rod 28 is prolonged, and the effect of increasing the heat generation quantity is achieved.
During operation, the mounting base 1 is fixed on the front side of the lathe bed, then the gauge bracket 2, the gauge cylinder 4, the connecting block 5 and the like are sequentially mounted, finally the position of the gauge measuring head is adjusted, the position measured by the gauge head is ensured to be positioned at the diameter of the crystal bar, so that the online measurement of the excircle of the crystal bar by the lathe is realized, the absolute value of measurement is output, the subsequent grinding and action are ensured, and in order to avoid interference with the hydraulically controlled tailstock, the structure adopts an inclined 45-degree angle in-out mode to online measure the outer diameter of the ground crystal bar, thereby facilitating the subsequent grinding and clamping; when the measurement is not performed, under the action of the driving mechanism, the first air bag 9 is filled with air, and at the moment, the first air bag 9 is paved and the port of the protective sleeve 7 is blocked, so that dust and impurities can be prevented from entering the protective sleeve 7 to be in contact with the measuring instrument 6, the effect of preventing the surface of the measuring instrument 6 from being polluted is achieved, when the workpiece is required to be measured, the first air bag 9 is contracted under the action of the driving mechanism, and at the moment, the port of the protective sleeve 7 is opened, so that the measuring instrument 6 can normally extend out of the protective sleeve 7, and the measuring instrument 6 can be prevented from being polluted under the action of the driving mechanism, and the normal work of the measuring instrument 6 can be ensured; in the initial state, the elastic rope 13 pulls the piston plate 12, at this time, the piston plate 12 moves to the top end of the sleeve 10, so that the gas in the sleeve 10 is extruded by the piston plate 12 and enters the mounting groove 8 through the gas pipe 11, the first gas bag 9 starts to stretch, when the measurement is needed, the measuring instrument 6 is electrified, at this time, a magnetic field which is mutually attracted with the piston plate 12 made of magnetic materials is generated around the coil 14, the piston plate 12 is close to the coil 14 under the action of the magnetic field, so that the pressure in the space above the piston plate 12 in the sleeve 10 is reduced, the sleeve 10 is pumped out of the mounting groove 8 and the first gas bag 9 through the gas pipe 11, after the gas in the first gas bag 9 is pumped out, the first gas bag 9 is contracted and returns to the mounting groove 8, so that the port of the protective sleeve 7 is opened, therefore, the effect of driving the first gas bag 9 to stretch is achieved, and the driving mode does not need an external power source, so that the effect of saving cost is achieved; when the measuring instrument 6 measures a workpiece, metal impurities with smaller volume on the surface of the workpiece are attached to the surface of the measuring instrument 6, in the process that the measuring instrument 6 is retracted into the protective sleeve 7, the metal impurities on the surface of the measuring instrument 6 are adsorbed onto the outer wall of the collecting box 15 under the action of the strong magnet 16 and move along the arc-shaped surface of the collecting box 15, the impurities move along the surface of the collecting box 15, when the impurities move to the pipe orifice of the pipe 17, the impurities move along the pipe 17 and enter the collecting box 15, so that the effect of cleaning the surface of the measuring instrument 6 is achieved, and when the measuring instrument 6 is reused for measurement, the effect of preventing scratches on the surface of the measuring instrument 6 and the workpiece caused by clamping the impurities between the measuring instrument 6 and the workpiece is achieved because the impurities attached to the surface of the measuring instrument 6 are cleaned off; when the impurities flow out of the guide pipe 17, the impurities impact the second air bag 20 under the action of attraction force, at the moment, under the action of the first one-way valve 21 and the second one-way valve 22, the gas in the second air bag 20 enters into a closed space between the partition 18 and the elastic membrane 19 along the communicating pipe 23, at the moment, the gas content in the space is increased, the pressure is increased, therefore, the elastic membrane 19 expands, the expanded elastic membrane 19 pushes the lubricating oil in the oil cavity, so that the lubricating oil in the oil cavity flows out along the through hole, the flowing lubricating oil covers the outer wall of the collecting box 15, and therefore, when the impurities flow along the outer wall of the collecting box 15, the friction force between the impurities and the collecting box 15 is reduced, and the effect of ensuring that the impurities can move into the guide pipe 17 is achieved; the impurities move along the surface of the guide plate 24 under the action of the guide plate 24, so that the impurities cannot contact with the through holes, and therefore, the effect of preventing the through holes from being blocked is achieved; when the gas flows through the mounting tube 27, the gas flow impacts the wind cup 29, so that the wind cup 29 drives the rotating rod 28 and the friction rod 26 to rotate, and in the process of rotating the friction rod 26, the friction rod 26 and the friction sleeve 25 rub each other to generate heat, and at the moment, the heat is emitted into the collecting box 15 and is transferred to the lubricating oil under the action of heat exchange, so that the viscosity of the lubricating oil is reduced, the fluidity of the lubricating oil is enhanced, and the speed of covering the surface of the collecting box 15 by the lubricating oil is accelerated; the friction sleeve 25 made by superposing the multi-layer barrel-shaped wire netting is fluffy, so that the friction sleeve can be tightly attached to the friction rod 26, the friction heating efficiency is increased, and the generated heat can be transferred to the collecting box 15 under the action of holes on the surface of the wire netting, so that the heating rate of lubricating oil is accelerated; the friction force between the piston plate 12 and the sleeve 10 can be reduced by reducing the contact area between the piston plate 12 and the sleeve 10, so that the moving speed of the piston plate 12 can be increased, and therefore, the thickness of the piston plate 12 is thinner, and the moving path of the piston plate 12 with smaller thickness can be defined by installing the guide rod 30, thereby playing a role of preventing the piston plate 12 from being blocked in the sleeve 10 and being unable to move.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Automatic external diameter measuring device of lathe with accurate measurement effect, including installation base (1), its characterized in that: the measuring instrument comprises a mounting base (1), wherein a measuring instrument support (2) is fixedly mounted on the mounting base, an adjusting block (3) is mounted at the top end of the measuring instrument support (2), a measuring instrument oil cylinder (4) is fixedly mounted on the adjusting block (3), a connecting block (5) is mounted on the measuring instrument oil cylinder (4), and a measuring instrument (6) is fixedly mounted on the connecting block (5);
the measuring instrument comprises an adjusting block (3), and is characterized in that a protective sleeve (7) with an opening at the bottom end is fixedly arranged on the adjusting block (3), the protective sleeve (7) covers a measuring instrument oil cylinder (4), a connecting block (5) and a measuring instrument (6), a mounting groove (8) is formed in the protective sleeve (7), a first air bag (9) matched with the bottom end of the protective sleeve (7) is fixedly arranged on the mounting groove (8), and a driving mechanism for driving the first air bag (9) to shrink is arranged in the protective sleeve (7);
the driving mechanism comprises a sleeve (10) fixedly arranged in a protective sleeve (7), an air pipe (11) is fixedly arranged at the top end of the sleeve (10), the other end of the air pipe (11) is communicated with an installation groove (8), a piston plate (12) made of magnetic materials is slidably arranged in the sleeve (10), an elastic rope (13) is fixedly arranged between the piston plate (12) and the inner top wall of the sleeve (10), and a coil (14) electrically connected with a measuring instrument (6) is fixedly arranged on the inner bottom wall of the sleeve (10);
the inner side wall of the protective sleeve (7) is uniformly and fixedly provided with a collecting box (15), the outer wall of the collecting box (15) is an arc surface, the inner side wall of the collecting box (15) is fixedly provided with a strong magnet (16), and a guide pipe (17) matched with the strong magnet (16) is obliquely inserted into the collecting box (15);
the utility model discloses a collection box, including collection box (15), baffle (18) have been seted up on the roof of collection box (15), the position fixed mounting that is located the through-hole below in collection box (15) has, just the space that forms between the roof of baffle (18) and the inner wall of collection box (15) is the oil pocket, be equipped with lubricating oil in the oil pocket, fixed mounting has elastic membrane (19) on the roof of baffle (18), fixed mounting has second gasbag (20) in collection box (15), second gasbag (20) surround strong magnet (16), fixed mounting has first check valve (21) and second check valve (22) on the air inlet and the gas vent of second gasbag (20) respectively, fixed mounting has communicating pipe (23) that extend to the roof of baffle (18) on second check valve (22).
2. The automatic outer diameter measuring device for a machine tool with accurate measuring effect according to claim 1, wherein: the outer wall of the collecting box (15) is obliquely and fixedly provided with a guide plate (24), and the guide plate (24) is matched with the through hole.
3. The automatic outer diameter measuring device for a machine tool with accurate measuring effect according to claim 1, wherein: the collecting box is characterized in that a friction sleeve (25) is fixedly installed in the collecting box (15), a friction rod (26) is rotationally installed in the friction sleeve (25), an installation pipe (27) communicated with the air pipe (11) is fixedly installed on the outer wall of the protecting sleeve (7), a rotating rod (28) is horizontally installed in the installation pipe (27) in a rotating mode, a wind cup (29) is uniformly and fixedly installed on the rotating rod (28), and one end of the rotating rod (28) extends into the friction sleeve (25) and is fixedly connected with the friction rod (26).
4. An automatic outer diameter measuring device for a machine tool with accurate measuring effect according to claim 3, characterized in that: the friction sleeve (25) is made of multi-layer barrel-shaped wire netting.
5. The automatic outer diameter measuring device for a machine tool with accurate measuring effect according to claim 1, wherein: guide rods (30) are vertically and fixedly arranged in the sleeve (10), and the outer edges of the top wall and the bottom wall of the piston plate (12) are arc-shaped.
6. The automatic outer diameter measuring device for a machine tool with accurate measuring effect according to claim 5, wherein: a spring (31) is fixedly arranged in the mounting pipe (27), and the spring (31) is fixedly connected with the rotating rod (28).
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| CN202210325764.2A CN114608510B (en) | 2022-03-29 | 2022-03-29 | Automatic external diameter measuring device of lathe with accurate measurement effect |
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| CN202210325764.2A CN114608510B (en) | 2022-03-29 | 2022-03-29 | Automatic external diameter measuring device of lathe with accurate measurement effect |
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