CN113910098B - Accurate pressurization gas circuit control system for grinding polishing machine - Google Patents
Accurate pressurization gas circuit control system for grinding polishing machine Download PDFInfo
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- CN113910098B CN113910098B CN202111214935.6A CN202111214935A CN113910098B CN 113910098 B CN113910098 B CN 113910098B CN 202111214935 A CN202111214935 A CN 202111214935A CN 113910098 B CN113910098 B CN 113910098B
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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
- B24B37/00—Lapping machines or devices; Accessories
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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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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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
- B24B47/00—Drives or gearings; Equipment therefor
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- 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)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses an accurate pressurizing air path control system for a grinding and polishing machine, which comprises a total air inlet module, a lifting action module of a whole upper disc assembly and a pressurizing action module of the whole upper disc assembly, wherein the total air inlet module is connected with the lifting action module of the whole upper disc assembly; the pressurizing mode is that the small cylinder counteracts the weight of the whole upper disc assembly firstly, then the workpiece is pressurized, and the pressure deviation is small due to the fact that the controlled pressure is small, the removing amount of the workpiece is more accurate, and the whole air path system further comprises the functions of an air gun, a falling prevention hook, liquid flow diversion of grinding liquid and the like.
Description
Technical Field
The invention relates to an accurate pressurizing air path control system for a grinding and polishing machine, and belongs to the field of grinding and polishing.
Background
The pressurizing mode of the original gas circuit control system is that the upward force of the cylinder is subtracted from the weight of the whole upper disc assembly, the difference is the actual pressure acting on the workpiece, the actual pressure deviation of the mode is larger, the workpiece removal amount and the final grinding or polishing effect are affected, and therefore, the pressure deviation is required to be reduced to achieve accurate pressurizing gas circuit control.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides an accurate pressurizing air path control system for a grinding and polishing machine, wherein the pressurizing mode is that a small air cylinder firstly counteracts the weight of the whole upper disc assembly, then applies pressure to a workpiece, and the controlled pressure is small, so that the pressure deviation is small, the removing amount of the workpiece is more accurate, and the whole air path system also comprises the functions of an air gun, an anti-falling hook, liquid flow diversion of grinding liquid and the like.
The technical scheme of the invention is as follows: the accurate pressurizing air path control system for the grinding and polishing machine comprises a total air inlet module, a lifting action module of the whole upper disc assembly and a pressurizing action module of the whole upper disc assembly;
the total air inlet module comprises a ball valve, an air filtering assembly, a one-way valve and a confluence plate; the ball valve, the air filtering assembly and the one-way valve are sequentially connected along the air inlet pipeline and then connected to the air inlet of the confluence plate, the multi-channel air outlet of the confluence plate divides air, and the multi-channel air outlet of the confluence plate comprises an A-channel air outlet, a B-channel air outlet and an E-channel air outlet; wherein the ball valve controls whether the gas enters, the air filter assembly filters out impurities in the gas, and the one-way valve prevents the gas from flowing back.
The lifting action module of the whole upper disc assembly comprises a first electromagnetic valve, a first speed regulating valve, a speed control valve with a pilot-operated one-way valve and a large cylinder; the first electromagnetic valve is divided into two paths: an SV4 switch circuit and an SV5 switch circuit;
the E-path air outlet of the confluence plate is connected to the air inlet of a first electromagnetic valve, and the SV4 switch path air outlet of the first electromagnetic valve is sequentially connected to a first speed regulating valve and a quick-descending interface of a large cylinder; the SV5 switch path air outlet of the first electromagnetic valve is sequentially connected to a speed control valve with a pilot check valve and a fast-lifting interface of a large cylinder, wherein the other joint of the speed control valve with the pilot check valve is connected with a fast-lifting interface of the large cylinder; when the SV4 switch of the first electromagnetic valve is powered on, gas enters the large cylinder from the quick-descending interface of the large cylinder, a piston rod is pushed out, and the whole upper disc assembly performs quick-descending action downwards; when the SV5 switch of the first electromagnetic valve is powered on, gas enters the large cylinder from a fast lifting interface of the large cylinder, a piston rod is retracted, and the whole upper disc assembly performs fast lifting action upwards; when the first electromagnetic valve is not electrified, the first electromagnetic valve is in the middle position, and the speed control valve with the pilot-operated one-way valve is used for enabling the large cylinder to keep the middle stop position;
the whole upper disc assembly pressurizing action module comprises a precise filter valve, an electric proportional valve, a first air pressure gauge, a second electromagnetic valve, a third electromagnetic valve, a precise pressure regulating valve, a second air pressure gauge, a second speed regulating valve and a small air cylinder; the third electromagnetic valve is divided into two paths: an SV2 switch circuit and an SV3 switch circuit;
the A-path air outlet of the confluence plate is connected to a first air inlet of a third electromagnetic valve through a precise filter valve, an electric proportional valve, a first air pressure gauge and a second electromagnetic valve, and an SV2 switch air outlet of the third electromagnetic valve is connected to a slow-down interface of a small cylinder through a second speed regulating valve; the air outlet of the B path of the confluence plate is connected to the second air inlet of the third electromagnetic valve through a precise pressure regulating valve and a second air pressure gauge, and the air outlet of the SV3 switch path of the third electromagnetic valve is connected to the slow-rise interface of the small cylinder; when the SV3 switch circuit of the third electromagnetic valve is always powered on, gas enters a slow-lifting interface of the small cylinder, a piston rod is retracted, the gas always counteracts the weight of the whole upper disc assembly upwards, and the balance state is maintained; when the SV1 switch path of the second electromagnetic valve and the SV2 switch path of the third electromagnetic valve are simultaneously powered on, gas enters a slow-down interface of the small cylinder, a piston rod is pushed out, and the gas is accurately pressurized downwards to be the actual working pressure through an electric proportional valve, so that the slow-down action is completed; when the second electromagnetic valve is not powered on and the SV2 switch of the third electromagnetic valve is powered on, gas is discharged from the small cylinder through the second electromagnetic valve, and the piston rod is retracted, so that slow lifting action is completed; when the SV2 switch circuit and the SV3 switch circuit of the third electromagnetic valve are not electrified, the gas does not circulate, so that the small cylinder keeps the middle stop position. The precise pressure regulating valve regulates the pressure, the first barometer displays the pressure value, the precise filter valve filters impurities such as water, oil and the like in the gas again, the electric proportional valve regulates the pressure, and the second barometer displays the pressure value.
Further, the multi-channel air outlets of the bus plate further comprise C-channel air outlets; the air outlet of the C path is connected to an air vent pipeline on the base of the grinding polisher.
Further, the device also comprises an anti-falling hook opening and closing action module; the anti-falling hook opening and closing action module comprises a fourth electromagnetic valve, a third speed regulating valve and an anti-falling cylinder;
an air inlet of the fourth electromagnetic valve is connected with an air vent pipeline on the base of the grinding polisher, and an air outlet of the fourth electromagnetic valve is connected to the anti-falling cylinder through a third speed regulating valve;
when SV6 of the fourth electromagnetic valve is powered on, gas enters the anti-falling cylinder, a piston rod is pushed out, and the anti-falling hook opens, so that the whole upper disc assembly can perform lifting action; when SV6 of the fourth electromagnetic valve is not electrified, the spring is reset, gas is discharged from the anti-falling cylinder, the piston rod returns, the anti-falling hook performs closing action, and the whole upper disc assembly is clamped. Prevent to drop naturally and stop the potential safety hazard. The third speed regulating valve is used for regulating the air flow and preventing the air cylinder from falling.
Further, the third speed regulating valve and the anti-falling cylinder are connected in parallel with two pairs.
Further, the grinding fluid outlet flow dividing action module is also included; the grinding liquid outlet flow dividing action module comprises a fifth electromagnetic valve, two fourth speed regulating valves and a flow dividing cylinder; the fifth electromagnetic valve is divided into two paths: an SV7 switch circuit and an SV8 switch circuit;
an air inlet of the fifth electromagnetic valve is connected with an air vent pipeline on a base of the grinding polisher, and an SV7 switch path air outlet and an SV8 switch path of the fifth electromagnetic valve are respectively connected with two air inlet and outlet ports connected to the split-flow cylinder through two fourth speed regulating valves;
when the SV7 switch of the fifth electromagnetic valve is powered on, gas enters the split-flow cylinder, a piston rod is pushed out, and liquid is directly discharged and discarded; when the SV8 switch of the fifth electromagnetic valve is powered on, gas enters the split-flow cylinder, a piston rod returns, and liquid is discharged into the grinding barrel for recycling.
Furthermore, a standby blind plate is also arranged on the base of the grinding and polishing machine. The blind plate is arranged on the base for standby, and if other pneumatic functions are needed, an electromagnetic valve can be added at the position.
Further, the multi-channel air outlets of the bus plate further comprise D-channel air outlets; the air channel control system further comprises a dust blowing action module, wherein the dust blowing action module comprises an air channel connecting block and an air gun; and the gas at the gas outlet of the path D enters the air gun through the gas path connecting block. The air gun blows out and discharges the impurities or liquid in the whole machine.
The beneficial effects of the invention are as follows: the pressurizing mode of the accurate pressurizing gas circuit control system is that the small cylinder counteracts the weight of the whole upper disc assembly firstly, then applies pressure to the workpiece, and the whole gas circuit system also comprises the functions of an air gun, a falling prevention hook, liquid flow diversion of grinding fluid and the like because the controlled pressure is small and the pressure deviation is small.
Drawings
FIG. 1 is a schematic diagram of an accurate pressurization gas circuit control system for a grinding polisher.
In the figure: 1 is a ball valve, 2 is an air filtering assembly, 3 is a one-way valve, 4 is a confluence plate, 5 is a first electromagnetic valve, 6 is a first speed regulating valve, 7 is a speed control valve with a pilot type one-way valve, 9 is a large cylinder, 10 is a precise filtering valve, 11 is an electric proportional valve, 12 is a first air pressure gauge, 13 is a second electromagnetic valve, 14 is a third electromagnetic valve, 15 is a precise pressure regulating valve, 16 is a second air pressure gauge, 21 is a second speed regulating valve, 22 is a small cylinder, 23 is an air passage connecting block, 24 is an air gun, 25 is a base, 26 is a fourth electromagnetic valve, 27 is a third speed regulating valve, 29 is an anti-falling cylinder, 30 is a fifth electromagnetic valve, 31 is a fourth speed regulating valve, 32 is a shunt cylinder, and 33 is a standby blind plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the precise pressurizing air path control system for the grinding and polishing machine comprises a total air inlet module, a lifting action module of the whole upper disc assembly, a pressurizing action module of the whole upper disc assembly, an opening and closing action module of the falling-preventing hook, a liquid outlet flow dividing action module of grinding liquid and a dust blowing action module.
The total intake module includes a ball valve 1, an air filter assembly 2, a one-way valve 3, and a manifold plate 4. After the ball valve 1, the air filtering assembly 2 and the one-way valve 3 are sequentially connected along an air inlet pipeline, the ball valve is connected to an air inlet of the bus plate 4, the air is split by a plurality of air outlets of the bus plate 4, and the plurality of air outlets of the bus plate 4 comprise an A air outlet, a B air outlet, a C air outlet, a D air outlet and an E air outlet. Wherein the ball valve controls whether the gas enters, the air filter assembly filters out impurities in the gas, and the one-way valve prevents the gas from flowing back.
The whole upper disc assembly lifting action module comprises a first electromagnetic valve 5, a first speed regulating valve 6, a speed control valve 7 with a pilot-operated one-way valve and a large cylinder 9. The first electromagnetic valve 5 is divided into two paths: SV4 switch and SV5 switch.
The E-way air outlet of the confluence plate 4 is connected to the air inlet of a first electromagnetic valve 5, and the SV4 switch air outlet of the first electromagnetic valve 5 is sequentially connected to the quick-descending interfaces of a first speed regulating valve 6 and a large cylinder 9. The SV5 switch path air outlet of the first electromagnetic valve 5 is sequentially connected to a fast-lifting interface with a pilot check valve speed control valve 7 and a large cylinder 9, wherein the other joint of the speed control valve 7 with the pilot check valve is connected with a fast-lifting interface of the large cylinder 9. When the SV4 switch of the first electromagnetic valve is powered on, gas enters the large cylinder from the quick-descending interface of the large cylinder, the piston rod is pushed out, and the whole upper disc assembly performs quick-descending action downwards. When the SV5 switch of the first electromagnetic valve is powered on, gas enters the large cylinder from the fast lifting interface of the large cylinder, the piston rod is retracted, and the whole upper disc assembly performs fast lifting motion upwards. When the first electromagnetic valve is not electrified, the first electromagnetic valve is in the middle position, and the speed control valve with the pilot-operated check valve is used for keeping the large cylinder at the middle stop position.
The whole upper disc assembly pressurizing action module comprises a precise filter valve 10, an electric proportional valve 11, a first air pressure gauge 12, a second electromagnetic valve 13, a third electromagnetic valve 14, a precise pressure regulating valve 15, a second air pressure gauge 16, a second speed regulating valve 21 and a small air cylinder 22. The third solenoid valve 14 is divided into two paths: SV2 switch and SV3 switch.
The A-path air outlet of the confluence plate 4 is connected to the first air inlet of the third electromagnetic valve 14 through the precise filter valve 10, the electric proportional valve 11, the first air pressure gauge 12 and the second electromagnetic valve 13, and the SV2 switch air outlet of the third electromagnetic valve 14 is connected to the slow-down interface of the small cylinder 22 through the second speed regulating valve 21. The air outlet of the B path of the confluence plate 4 is connected to the second air inlet of the third electromagnetic valve 14 through the precise pressure regulating valve 15 and the second air pressure gauge 16, and the air outlet of the SV3 switch path of the third electromagnetic valve 14 is connected to the slow-rise interface of the small cylinder 22. When the SV3 switch circuit of the third electromagnetic valve is always powered on, gas enters the slow-lifting interface of the small cylinder, the piston rod is retracted, the gas always counteracts the weight of the whole upper disc assembly upwards, and the balance state is maintained. When the SV1 switch path of the second electromagnetic valve and the SV2 switch path of the third electromagnetic valve are simultaneously electrified, gas enters a slow-down interface of the small cylinder, a piston rod is pushed out, and the gas is accurately pressurized downwards to be the actual working pressure through an electric proportional valve, so that the slow-down action is completed. When the second electromagnetic valve is not powered on and the SV2 switch of the third electromagnetic valve is powered on, gas is discharged from the small cylinder through the second electromagnetic valve, and the piston rod is retracted, so that slow lifting is completed. When the SV2 switch circuit and the SV3 switch circuit of the third electromagnetic valve are not electrified, the gas does not circulate, so that the small cylinder keeps the middle stop position. The precise pressure regulating valve regulates the pressure, the first barometer displays the pressure value, the precise filter valve filters impurities such as water, oil and the like in the gas again, the electric proportional valve regulates the pressure, and the second barometer displays the pressure value.
The C-way air outlet is connected to an air vent line on the base 25 of the grinder/polisher.
The device also comprises an anti-falling hook opening and closing action module. The anti-falling hook opening and closing action module comprises a fourth electromagnetic valve 26, two third speed adjusting valves 27 and two anti-falling cylinders 29.
The air inlet of the fourth electromagnetic valve 26 is connected with an air vent pipeline on the base 25 of the grinding polisher, the air outlet of the fourth electromagnetic valve 26 is divided into two paths, and each path is connected with an anti-falling air cylinder 29 through a third speed regulating valve 27.
When the fourth electromagnetic valve is powered on, gas enters the anti-falling cylinder, the piston rod is pushed out, and the anti-falling hook opens, so that the whole upper disc assembly can conduct lifting motion. When the fourth electromagnetic valve is not powered on, the spring is reset, gas is discharged from the anti-falling cylinder, the piston rod returns, and the anti-falling hook performs closing action to clamp the whole upper disc assembly. Prevent to drop naturally and stop the potential safety hazard. The third speed regulating valve is used for regulating the air flow and preventing the air cylinder from falling.
The grinding fluid liquid outlet flow dividing action module comprises a fifth electromagnetic valve 30, two fourth speed adjusting valves 31 and a flow dividing cylinder 32. The fifth solenoid valve 30 is divided into two paths: SV7 switch and SV8 switch.
An air inlet of the fifth electromagnetic valve 30 is connected with an air vent pipeline on the base 25 of the grinding polisher, and an SV7 switch path air outlet and an SV8 switch path of the fifth electromagnetic valve 30 are respectively connected with two air inlet and outlet ports connected to the split-flow cylinder 32 through two fourth speed regulating valves 31.
When the SV7 switch of the fifth electromagnetic valve is powered on, gas enters the split-flow cylinder, a piston rod is pushed out, and liquid is directly discharged and discarded. When the SV8 switch of the fifth electromagnetic valve is powered on, gas enters the split-flow cylinder, a piston rod returns, and liquid is discharged into the grinding barrel for recycling.
A spare blind plate 33 is also mounted on the base 25 of the grinding polisher. The blind plate is arranged on the base for standby, and if other pneumatic functions are needed, an electromagnetic valve can be added at the position.
The dust blowing action module comprises an air passage connecting block 23 and an air gun 24. And the gas at the gas outlet of the path D enters the air gun through the gas path connecting block. The air gun blows out and discharges the impurities or liquid in the whole machine.
In this embodiment, the pressurization mode of accurate pressurization gas circuit control system is that the small cylinder offsets the weight of whole upper disc subassembly earlier, exerts pressure to the work piece again, because the pressure of control is little, and the pressure deviation is little, and the removal of work piece is more accurate, and whole gas circuit system still includes functions such as air gun, anti-drop couple, grinding fluid play liquid reposition of redundant personnel.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. A be used for accurate pressurization gas circuit control system of grinding burnishing machine which characterized in that: the device comprises a total air inlet module, a lifting action module of the whole upper disc assembly and a pressurizing action module of the whole upper disc assembly;
the total air inlet module comprises a ball valve (1), an air filtering assembly (2), a one-way valve (3) and a confluence plate (4); the ball valve (1), the air filtering assembly (2) and the one-way valve (3) are sequentially connected along an air inlet pipeline and then connected to an air inlet of the confluence plate (4), a plurality of air outlets of the confluence plate (4) divide air, and the plurality of air outlets of the confluence plate (4) comprise an A-way air outlet, a B-way air outlet and an E-way air outlet;
the whole upper disc assembly lifting action module comprises a first electromagnetic valve (5), a first speed regulating valve (6), a speed control valve (7) with a pilot-operated one-way valve and a large cylinder (9); the first electromagnetic valve (5) is divided into two paths: an SV4 switch circuit and an SV5 switch circuit;
an E-path air outlet of the confluence plate (4) is connected to an air inlet of a first electromagnetic valve (5), and an SV4 switch path air outlet of the first electromagnetic valve (5) is sequentially connected to a first speed regulating valve (6) and a quick-descending interface of a large cylinder (9); the SV5 switch path air outlet of the first electromagnetic valve (5) is sequentially connected to a speed control valve (7) with a pilot check valve and a fast lifting interface of a large cylinder (9), wherein the other joint of the speed control valve (7) with the pilot check valve is connected with a fast lifting interface of the large cylinder (9); when the SV4 switch of the first electromagnetic valve is powered on, gas enters the large cylinder from the quick-descending interface of the large cylinder, a piston rod is pushed out, and the whole upper disc assembly performs quick-descending action downwards; when the SV5 switch of the first electromagnetic valve is powered on, gas enters the large cylinder from a fast lifting interface of the large cylinder, a piston rod is retracted, and the whole upper disc assembly performs fast lifting action upwards; when the first electromagnetic valve is not electrified, the first electromagnetic valve is in the middle position, and the speed control valve with the pilot-operated one-way valve is used for enabling the large cylinder to keep the middle stop position;
the whole upper disc assembly pressurizing action module comprises a precise filter valve (10), an electric proportional valve (11), a first air pressure gauge (12), a second electromagnetic valve (13), a third electromagnetic valve (14), a precise pressure regulating valve (15), a second air pressure gauge (16), a second speed regulating valve (21) and a small cylinder (22); the third electromagnetic valve (14) is divided into two paths: an SV2 switch circuit and an SV3 switch circuit;
the A-path air outlet of the confluence plate (4) is connected to a first air inlet of a third electromagnetic valve (14) through a precise filtering valve (10), an electric proportional valve (11), a first air pressure gauge (12) and a second electromagnetic valve (13), and an SV2 switch air outlet of the third electromagnetic valve (14) is connected to a slow-down interface of a small cylinder (22) through a second speed regulating valve (21); the air outlet of the B path of the confluence plate (4) is connected to the second air inlet of the third electromagnetic valve (14) through a precise pressure regulating valve (15) and a second air pressure gauge (16), and the air outlet of the SV3 switch path of the third electromagnetic valve (14) is connected to the slow-lifting interface of the small cylinder (22); when the SV3 switch circuit of the third electromagnetic valve is always powered on, gas enters a slow-lifting interface of the small cylinder, a piston rod is retracted, the gas always counteracts the weight of the whole upper disc assembly upwards, and the balance state is maintained; when the SV1 switch path of the second electromagnetic valve and the SV2 switch path of the third electromagnetic valve are simultaneously powered on, gas enters a slow-down interface of the small cylinder, a piston rod is pushed out, and the gas is accurately pressurized downwards to be the actual working pressure through an electric proportional valve, so that the slow-down action is completed; when the SV1 switch of the second electromagnetic valve is not powered on and the SV2 switch of the third electromagnetic valve is powered on, the gas is discharged from the small cylinder through the second electromagnetic valve, and the piston rod is retracted, so that slow lifting is completed; when the SV2 switch circuit and the SV3 switch circuit of the third electromagnetic valve are not electrified, the gas does not circulate, so that the small cylinder keeps the middle stop position.
2. The precise pressurized air circuit control system for a grinding and polishing machine of claim 1, wherein: the multi-channel air outlets of the bus plate (4) further comprise C-channel air outlets; the C-path air outlet is connected to an air vent pipeline on a base (25) of the grinding polisher.
3. The precise pressurized air circuit control system for a grinding and polishing machine of claim 2, wherein: the device also comprises an anti-falling hook opening and closing action module; the anti-falling hook opening and closing action module comprises a fourth electromagnetic valve (26), a third speed regulating valve (27) and an anti-falling cylinder (29);
an air inlet of the fourth electromagnetic valve (26) is connected with an air vent pipeline on a base (25) of the grinding polisher, and an air outlet of the fourth electromagnetic valve (26) is connected to an anti-falling cylinder (29) through a third speed regulating valve (27);
when SV6 of the fourth electromagnetic valve is powered on, gas enters the anti-falling cylinder, a piston rod is pushed out, and the anti-falling hook opens, so that the whole upper disc assembly can perform lifting action; when SV6 of the fourth electromagnetic valve is not electrified, the spring is reset, gas is discharged from the anti-falling cylinder, the piston rod returns, the anti-falling hook performs closing action, and the whole upper disc assembly is clamped.
4. A precision pressurized air circuit control system for a grinder/polisher according to claim 3 wherein: the third speed regulating valve (27) and the anti-falling cylinder (29) are connected in parallel.
5. The precise pressurized air circuit control system for a grinding and polishing machine of claim 2, wherein: the grinding fluid outlet flow dividing action module is also included; the grinding liquid outlet flow dividing action module comprises a fifth electromagnetic valve (30), two fourth speed regulating valves (31) and a flow dividing cylinder (32); the fifth electromagnetic valve (30) is divided into two paths: an SV7 switch circuit and an SV8 switch circuit;
an air inlet of the fifth electromagnetic valve (30) is connected with an air vent pipeline on a base (25) of the grinding polisher, and an SV7 switch path air outlet and an SV8 switch path of the fifth electromagnetic valve (30) are respectively connected with two air inlet and outlet ports connected to a split-flow cylinder (32) through two fourth speed regulating valves (31);
when the SV7 switch of the fifth electromagnetic valve is powered on, gas enters the split-flow cylinder, a piston rod is pushed out, and liquid is directly discharged and discarded; when the SV8 switch of the fifth electromagnetic valve is powered on, gas enters the split-flow cylinder, a piston rod returns, and liquid is discharged into the grinding barrel for recycling.
6. The precise pressurized air circuit control system for a grinding and polishing machine of claim 2, wherein: a standby blind plate (33) is further arranged on the base (25) of the grinding and polishing machine.
7. The precise pressurized air circuit control system for a grinding and polishing machine of claim 1, wherein: the multi-channel air outlets of the bus plate (4) further comprise D-channel air outlets; the air channel control system further comprises a dust blowing action module, wherein the dust blowing action module comprises an air channel connecting block (23) and an air gun (24); and the gas at the gas outlet of the path D enters the air gun through the gas path connecting block.
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| CN202111214935.6A CN113910098B (en) | 2021-10-19 | 2021-10-19 | Accurate pressurization gas circuit control system for grinding polishing machine |
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| CN202111214935.6A CN113910098B (en) | 2021-10-19 | 2021-10-19 | Accurate pressurization gas circuit control system for grinding polishing machine |
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