CN113070816A - Control method for redundant objects in inner cavity and oil path of engine case - Google Patents
Control method for redundant objects in inner cavity and oil path of engine case Download PDFInfo
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- CN113070816A CN113070816A CN202110348615.3A CN202110348615A CN113070816A CN 113070816 A CN113070816 A CN 113070816A CN 202110348615 A CN202110348615 A CN 202110348615A CN 113070816 A CN113070816 A CN 113070816A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005498 polishing Methods 0.000 claims abstract description 47
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 64
- 238000009825 accumulation Methods 0.000 claims description 45
- 230000008021 deposition Effects 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005488 sandblasting Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 12
- 238000005266 casting Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000011449 brick Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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)
Abstract
The invention relates to the technical field of aerospace, and discloses a method for controlling redundant objects in an inner cavity and an oil way of a casing, which comprises the following steps: the base is provided with a hydraulic cylinder, the workpiece is provided with a cavity structure, the design of the control method of the inner cavity of the casing and the surplus objects of the oil circuit is reasonable, the structure is simple, the use method is simple and convenient to operate, the inner cavity or the inner part of the oil circuit can be polished in all directions through the cooperation of the rotating structure and the rotating structure, the angle of the workpiece is not required to be adjusted manually, automatic processing is achieved, polishing processing can be effectively performed on the inner cavity or the inner part of the oil circuit through the cooperation of the grinding block and the auxiliary polishing structure, the problem that the inner wall surface of the inner cavity or the inner wall of the oil circuit is damaged due to overlarge force can be effectively solved, polishing efficiency and precision are improved, and economic cost is reduced.
Description
Technical Field
The invention relates to the technical field of aerospace, in particular to a method for controlling redundant objects in an inner cavity and an oil way of a casing.
Background
Through the rapid development in the last hundred years, aerospace has become the most active and influential scientific and technical field in the 21 st century, the significant achievement gained in the field marks the high development of human civilization and also represents an advanced level of national science and technology, and in the aerospace technical field, the processing of a casing is particularly important, wherein, a method of casting liquid metal into a casting cavity matched with the shape of a part and obtaining a part or a blank after the liquid metal is cooled and solidified is called as casting, and a method of obtaining the casing by using the casting method is called as casting the casing, and considering the casting performance of a casting process and an alloy, the working performance and the mechanical performance of the casing, the structural design of the casing must be reasonable, and the quality, the productivity and the cost of the casing are greatly influenced.
In the existing casing processing process, because a plurality of inner cavities and oil paths are laid in the casing and the trend of the oil paths is complex, the control of redundant substances in the oil paths is complicated, meanwhile, the difficulty in cleaning the inner cavities and the oil paths is increased due to the small aperture of the inner cavities and the oil paths, and when the cleaning force is too large, the inner walls of the inner cavities and the oil paths are easily damaged, so that the internal pressure of the inner cavities and the oil paths is reduced, and the oil leakage and other phenomena are caused.
Disclosure of Invention
The method for controlling the redundant objects in the inner cavity and the oil circuit of the casing provided by the invention solves the problem that the redundant objects in the oil circuit are controlled more complexly because a plurality of inner cavities and oil circuits are laid in the casing and the trend of the oil circuit is more complex in the machining process of the existing casing.
In order to achieve the above effect, the present application provides a method for controlling excess of an inner cavity and an oil path of a casing, wherein the excess control steps are as follows:
s1, cleaning, namely cleaning the workpiece, cleaning impurities on the workpiece, and drying the workpiece;
s2, performing sand blasting, namely placing the cleaned workpiece in a sand blasting device, and performing sand blasting treatment on the outer surface of the workpiece through the sand blasting device;
s3, water jet, and performing deep cleaning on the workpiece by the water jet, wherein the pressure value P of the water jet is in the range of: p is more than or equal to 80MPa and less than or equal to 150 MPa;
s4, vibrating and polishing, wherein the outer surface of the workpiece is polished by a vibrating polishing device;
s5, placing the workpiece on the fixing structure, clamping the workpiece by the fixing structure, starting the auxiliary vibration polishing device, and polishing the inner cavity or the inner part of the oil path of the workpiece by the auxiliary vibration polishing device so as to perform rough treatment on burrs and fins in the inner cavity or the oil path;
s6, high-pressure cleaning, wherein the cleaning structure is used for cleaning the inner cavity or the inner part of the oil way, the cleaning structure is used for blowing and air-drying the inner part of the oil way through compressed air after cleaning is finished, and the range of the cleaning pressure value A is as follows: a is more than or equal to 1 MPa;
s7, placing the grinding blocks in the inner cavity of the workpiece or the oil way, and plugging two ends of the inner cavity or the oil way, wherein the range of the volume ratio B of the packed grinding blocks to the inner cavity or the oil way is as follows: b is more than or equal to 0.5 and less than or equal to 0.95;
s8, starting a vibration motor to enable the grinding block to perform vibration polishing in the inner cavity or the oil path, and starting a rotating structure and a rotating structure, wherein the rotating structure and the rotating structure are matched to enable the grinding block to perform sufficient relative motion in the inner cavity or the oil path so as to perform fine processing on the inner cavity or the oil path;
and S9, after polishing is finished, taking down the seal plug, taking out the grinding block in the inner cavity or the oil path, cleaning and collecting the grinding block, and cleaning the whole workpiece through a cleaning device, thereby finishing the control of the redundant materials of the inner cavity or the oil path.
A central control unit is arranged in the control equipment and used for adjusting the working state of each part;
when the grinding block is put into the inner cavity of the workpiece or the oil path, detecting the cavity volume V of the inner cavity or the oil path to be put in, and determining the theoretical accumulation volume Va of the filled grinding block by the central control unit according to the cavity volume V; the central control unit calculates a volume ratio Ba according to the theoretical accumulation volume Va and the cavity volume V, and adjusts the accumulation volume of the grinding block according to the volume ratio to determine an actual accumulation volume Vb;
when the grinding block is filled and the two ends of the cavity are plugged, the central control unit starts the vibration motor to vibrate the workpiece, and the vibration frequency is Qa; the central control unit is internally provided with an initial vibration frequency Q of the vibration motor, the central control unit adjusts the vibration frequency Q for the first time according to the accumulation volume of the grinding block, adjusts the vibration frequency Q for the second time according to the cavity type, adjusts the vibration frequency Q for the third time according to the volume ratio Ba, and the adjusted vibration frequency is the working frequency Qa of the vibration motor.
Further, when the grinding block is put into the inner cavity of the workpiece or the oil path, the cavity volume V of the inner cavity or the oil path to be put is detected, the detection result is transmitted to the central control unit, the central control unit determines the theoretical accumulation volume Va of the filled grinding block according to the cavity volume V, and Va = VD1XD 2, wherein D1 is the first compensation parameter for the cavity volume V versus the theoretical bulk volume Va of the filled block, 0 < D1 < 1, and D2 is the second compensation parameter for the cavity volume V versus the theoretical bulk volume Va of the filled block;
the central control unit calculates the volume ratio Ba of the theoretical bulk volume Va to the cavity volume V, Ba = Va/V.
Further, a reasonable volume ratio minimum value B1 and a reasonable volume ratio maximum value B2 are arranged in the central control unit, and the central control unit compares the volume ratio Ba with a reasonable volume ratio minimum value B1 and a reasonable volume ratio maximum value B2:
when Ba is less than or equal to B1, the central control unit judges that the volume ratio Ba is not in a reasonable range, and the central control unit adjusts the accumulation volume of the grinding block;
when Ba is more than B1 and less than or equal to B2, the volume ratio Ba is judged to be in a reasonable range by the central control unit, and the theoretical deposition volume Va of the grinding block is judged to be the actual deposition volume Vb by the central control unit;
when Ba is larger than B2, the central control unit judges that the volume ratio Ba is not in a reasonable range, and the central control unit adjusts the accumulation volume of the grinding blocks.
Further, when Ba is less than or equal to B1, the central control unit judges that the value of the theoretical deposition volume Va is too low, and the central control unit calculates the actual deposition volume Vb of the grinding block, wherein Vb = B1 multiplied by V;
when Ba is larger than B2, the central control unit judges that the value of theoretical accumulation volume Va is too high, and the central control unit calculates the actual accumulation volume Vb of the grinding block, and Vb = B2 xV.
Further, the central control unit calculates the vibration frequency Qa of the vibration motor based on the actual deposition volume Vb, Qa = (Q × K × z)/Vb, where K is an adjustment parameter of the deposition volume Vb to the vibration frequency Qa of the vibration motor, and z is a compensation coefficient of the deposition volume Vb to the vibration frequency Qa of the vibration motor.
Further, as for the adjusting parameter K of the accumulation volume Vb to the vibration frequency Qa of the vibration motor, a first adjusting parameter K1 and a second adjusting parameter K2 are arranged in the central control unit, and the central control unit determines the adjusting parameter K according to the type of the cavity structure;
when the cavity structure is an inner cavity of the casing, the central control unit selects a first adjusting parameter K1 as an adjusting parameter K;
when the cavity structure is an oil way, the central control unit selects a second adjusting parameter K2 as an adjusting parameter K.
Further, the central control unit determines a specific value of the compensation coefficient z according to the size relation between the volume ratio Ba and the reasonable volume ratio minimum value B1 and the reasonable volume ratio maximum value B2;
when Ba is less than or equal to B1, the central control unit calculates the actual stacking volume Vb and the theoretical stacking volume Va to calculate a compensation coefficient z, and z = Va/Vb;
when Ba is more than B1 and less than or equal to B2, the central control unit judges that the theoretical accumulation volume Va of the grinding block is the actual accumulation volume Vb, and z = 1;
when Ba > B2, the central control unit calculates the actual bulk volume Vb and the theoretical bulk volume Va calculates the compensation factor z, z = Vb/Va.
The device for controlling the redundant matters in the inner cavity and the oil path of the engine case comprises: the grinding device comprises a base 1, a workpiece 2, a grinding block 3, a bottom plate 4, a fixing structure, a rotating structure and a cleaning structure;
the grinding machine is characterized in that a hydraulic cylinder 5 is arranged on the base 1, a cavity structure is arranged on the workpiece 2, the grinding block 3 is arranged inside the cavity structure, the workpiece 2 is arranged on the bottom plate 4, the bottom plate 4 is arranged on the rotating structure, an elastic piece 6 is arranged at the joint of the rotating structure and the bottom plate 4, a fixing structure is arranged on the bottom plate 4 and is attached to the outer wall surface of the workpiece 2, the rotating structure is arranged on the rotating structure and is movably connected with the rotating structure, two ends of the rotating structure are fixedly connected with the telescopic end of the hydraulic cylinder 5, a cleaning structure is arranged on the base 1, a vibrating motor 7 is arranged at the bottom end of the bottom plate 4, and an auxiliary vibrating polishing device is arranged on the base 1.
Preferably, the rotation structure includes: the first driving machine 8, the supporting assembly 9, the connecting block 10 and the rotating plate 11;
the supporting component 9 with the flexible end fixed connection of pneumatic cylinder 5, first driving machine 8 fixed mounting in on the supporting component 9, just first driving machine 8 and the supporting component 9 junction is provided with first fixing bolt, connecting block 10 with first driving machine 8 drive end fixed connection, rotor plate 11 cover is located revolution mechanic is last, just 11 both ends of rotor plate with connecting block 10 fixed connection.
Preferably, the rotating structure includes: a second driving machine 12, a rotary gear 13, a rack 14, and a rotary plate 15;
the rotating plate 15 is arranged in the rotating plate 11, the second driving machine 12 is arranged on the rotating plate 15, the driving end of the second driving machine 12 penetrates through the bottom of the rotating plate 15, the rotating gear 13 is sleeved on the driving end of the second driving machine 12, the rack 14 is arranged in the rotating plate 11, and the rack 14 is meshed with the rotating gear 13.
Preferably, the fixing structure includes: a fixing plate 16, an adjusting bolt 17, a fixing block 18 and a pneumatic clamping jaw 19;
the fixed plate 16 is fixedly installed on the bottom plate 4, a second fixing bolt is arranged at the joint of the fixed plate 16 and the bottom plate 4, the adjusting bolt 17 is screwed on the fixed plate 16, the fixed block 18 is arranged at one end of the adjusting bolt 17, the fixed block 18 is movably connected with the adjusting bolt 17, an adjusting handle is arranged at the other end of the adjusting bolt 17, the pneumatic clamping jaw 19 is fixedly installed on the fixed block 18, and an anti-skid pad is arranged on the inner side wall surface of the fixed block 18.
Preferably, the cleaning structure includes: a booster pump 20, a hose 21, a high-pressure nozzle 22 and a connector 23;
Preferably, the support assembly 9 comprises: a support plate 901, a connecting column 902 and a limiting column 903;
the supporting plate 901 is fixedly connected with the telescopic end of the hydraulic cylinder 5, the top end of the supporting plate 901 is fixedly connected with the bottom end of the limiting column 903, one end of the connecting column 902 is fixedly connected with the first driving machine 8, and a pair of bearings is arranged at the joint of the connecting column 902 and the limiting column 903.
Preferably, the method further comprises the following steps:
the connecting assembly 24 is arranged at the joint of the fixed block 18 and the bottom plate 4;
the connecting assembly 24 includes: a chute 2401 and a slider 2402;
the sliding groove 2401 is arranged inside the bottom plate 4, one end of the sliding block 2402 is fixedly connected with the bottom end of the fixed block 18, and the other end of the sliding block 2402 is embedded inside the sliding groove 2401.
Preferably, the method further comprises the following steps:
an auxiliary fixing portion 25 provided on the fixing block 18;
the auxiliary fixing portion 25 includes: an adjustment post 2501, an adjustment block 2502, and a turning handle 2503;
adjust post 2501 one end set up in on the fixed block 18, rotate handle 2503 with adjust post 2501 other end fixed connection, adjusting block 2502 set up in inside the fixed block 18, just adjusting block 2502 with adjust post 2501 fixed connection.
Preferably, the elastic member 6 is a spring, the size of the elastic member 6 is 6-16 Φ, and the first driving machine 8 and the second driving machine 12 are servo motors.
The invention provides a method for controlling redundant objects in an inner cavity and an oil path of a casing, which comprises the following steps: the device comprises a base, a workpiece, a grinding block, a bottom plate, a fixing structure, a rotating structure and a cleaning structure; the base is provided with a hydraulic cylinder, the workpiece is provided with a cavity structure, the grinding block is arranged in the cavity structure, the workpiece is arranged on the bottom plate, the bottom plate is arranged on the rotating structure, the joint of the bottom plate and the rotating structure is provided with an elastic piece, the fixing structure is arranged on the bottom plate, the fixing structure is attached to the outer wall surface of the workpiece, the rotating structure is arranged on the rotating structure and movably connected with the rotating structure, two ends of the rotating structure are fixedly connected with the telescopic end of the hydraulic cylinder, the cleaning structure is arranged on the base, the bottom end of the bottom plate is provided with a vibration motor, the base is provided with an auxiliary vibration polishing device, the control method of the inner cavity of the casing and the excess of the oil circuit is reasonable in design, simple in structure, simple in use method and convenient to operate, the inner cavity or the oil circuit can be polished in all directions by matching the rotating structure and the rotating structure without manually adjusting the angle of a workpiece, so that automatic processing is realized, the inner cavity or the oil circuit can be polished effectively by matching the grinding block and the auxiliary polishing structure, the problem of damage to the inner wall surface of the inner cavity or the oil circuit due to overlarge force can be effectively solved, polishing efficiency and precision are improved, economic cost is reduced, the problem that the excessive control of the inside of the oil circuit is complicated due to the fact that a plurality of inner cavities and oil circuits are paved in the machine box and the trend of the oil circuit is complicated in the processing process of the existing machine box is solved, meanwhile, the difficulty in cleaning the inner cavities and the oil circuits is increased due to small apertures of the inner cavities and the oil circuits, and when the cleaning force is overlarge, and the inner wall surfaces of the inner cavity and the oil way are easily damaged, so that the internal pressure of the inner cavity and the oil way is reduced, and the problems of oil leakage and the like are caused.
Particularly, when the grinding block is put into the inner cavity or the oil path of the workpiece, the cavity volume V of the inner cavity or the oil path to be put is detected, the detection result is transmitted to the central control unit, and the central control unit determines the theoretical accumulation volume Va, Va = V of the filled grinding block according to the cavity volume VD1The multiplied by D2 is that the larger the cavity volume V is, the smaller the volume ratio Ba of the theoretical accumulation volume Va to the cavity volume V is, and the required quantity of the grinding block is reduced according to a certain proportion along with the increase of the cavity volume because D1 is more than 0 and less than 1; when the volume V of the cavity is smaller, the volume ratio Ba is larger, so that the cleaning force of the cavity structure with small volume is ensured; when the volume V of the cavity is larger, the volume ratio Ba is smaller, so that the grinding blocks in the cavity can be ensured to be sufficiently vibrated, the phenomenon that the grinding blocks cannot be effectively vibrated due to the fact that the grinding blocks are excessive in the cavity and cannot be cleaned is prevented, and the cleaning force of a large-volume cavity structure is ensured;
in particular, a reasonable volume ratio minimum value B1 and a reasonable volume ratio maximum value B2 are arranged in the central control unit, and the central control unit compares the volume ratio Ba with a reasonable volume ratio minimum value B1 and a reasonable volume ratio maximum value B2: when Ba is less than or equal to B1, the central control unit judges that the value of the theoretical stacking volume Va is too low, the central control unit calculates the actual stacking volume Vb, Vb = B1 xV of the grinding block, when Ba is more than B2, the central control unit judges that the value of the theoretical stacking volume Va is too high, and the central control unit calculates the actual stacking volume Vb, Vb = B2 xV of the grinding block; by setting the limit value of the volume ratio, the phenomenon that the grinding blocks cannot be cleaned by vibration due to the fact that the cavities are too small in volume and too large in filling amount is prevented from occurring, and meanwhile, the phenomenon that the quantity of the grinding blocks is insufficient and the cleaning of redundant materials is incomplete due to the fact that the cavities are too large in volume is prevented from occurring.
In particular, the central control unit calculates the vibration frequency Qa of the vibration motor based on the actual deposition volume Vb, Qa = (Q × K × z)/Vb, where K is an adjustment parameter of the deposition volume Vb to the vibration frequency Qa of the vibration motor, and z is a compensation coefficient of the deposition volume Vb to the vibration frequency Qa of the vibration motor; the vibration frequency Qa of the vibration motor is adjusted according to the adding and stacking volume ratio of the grinding blocks, when Vb is larger, the actual cavity volume of the workpiece is smaller, meanwhile, the stacking volume of the grinding blocks is smaller, the required vibration frequency is smaller, and similarly, when Vb is smaller, the required vibration frequency is larger, the vibration frequency of the vibration motor is intelligently adjusted, the vibration frequency is ensured to be in an ideal range, and the cleaning force to the cavity structure is ensured.
Particularly, for the adjusting parameter K of the accumulation volume Vb to the vibration frequency Qa of the vibration motor, a first adjusting parameter K1 and a second adjusting parameter K2 are arranged in the central control unit, and the central control unit determines the adjusting parameter K according to the type of the cavity structure; when the cavity structure is an inner cavity of the casing, the central control unit selects a first adjusting parameter K1 as an adjusting parameter K; when the cavity structure is an oil way, the central control unit selects a second adjusting parameter K2 as an adjusting parameter K. According to different cavity structures, the adjustment parameter K is determined, the vibration frequency is further ensured within an ideal range, and the cleaning strength of the cavity structures is guaranteed.
Particularly, the central control unit determines a specific value of the compensation coefficient z according to the size relation between the volume ratio Ba and the reasonable volume ratio minimum value B1 and the reasonable volume ratio maximum value B2; when the central control unit determines that the theoretical accumulation volume Va is too low, the central control unit increases the accumulation volume value, and at this time, the cavity volume is large, so that the vibration frequency is increased, and the excess is ensured to be thoroughly cleaned.
Drawings
FIG. 1 is a schematic diagram illustrating an overall structure of a method for controlling an inner cavity of a casing and excess oil in an oil path according to an embodiment of the present invention;
FIG. 2 is a front view of the inner cavity of the casing and the oil circuit redundancy control device according to the embodiment of the present invention;
FIG. 3 is a front sectional view of the inner cavity of the casing and the oil circuit redundancy control device according to the embodiment of the present invention;
FIG. 4 is a side view of the inner cavity of the casing and the oil circuit redundancy control device according to the embodiment of the present invention;
FIG. 5 is a side sectional view of the inner cavity of the casing and the oil circuit redundancy control apparatus according to the embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the operation of the inner cavity of the casing and the control device for the oil circuit redundancy according to the embodiment of the present invention;
FIG. 7 is a schematic view of the invention shown in FIG. 2, partially in section A;
FIG. 8 is a schematic view of the invention shown in FIG. 5 with a portion of the structure B;
FIG. 9 is a schematic view of the partial C structure of FIG. 6 in accordance with the present invention;
FIG. 10 is a front view of a sand blowing apparatus according to an embodiment of the present invention;
FIG. 11 is a side view of a sand blowing apparatus in an embodiment of the present invention;
FIG. 12 is a front view of a vibratory polishing apparatus in an embodiment of the present invention;
fig. 13 is a side view of a vibratory polishing apparatus in an embodiment of the present invention.
In the figure, 1, a base; 2. a workpiece; 3. grinding blocks; 4. a base plate; 5. a hydraulic cylinder; 6. an elastic member; 7. a vibration motor; 8. a first driver; 9. a support assembly; 901. a support plate; 902. connecting columns; 903. a limiting column; 10. connecting blocks; 11. a rotating plate; 12. a second driver; 13. a rotating gear; 14. a rack; 15. a rotating plate; 16. a fixing plate; 17. adjusting the bolt; 18. a fixed block; 19. a pneumatic clamping jaw; 20. a booster pump; 21. a hose; 22. a high pressure spray head; 23. a connector; 24. a connecting assembly; 2401. a chute; 2402. a slider; 25. an auxiliary fixing part; 2501. an adjustment column; 2502. an adjusting block; 2503. 26, rotating the handle, and blowing sand; 2601. a box body; 2602. a material box; 2603. an air compressor; 2604. a spray gun; 27. a vibration polishing device; 2701. a second base; 2702. a second elastic member; 2703. a pressure-bearing member; 2704. a vibration motor; 2705. a connecting pipe; 2706. a connecting rod.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example (b): the invention provides a technical scheme that: as can be seen from fig. 1 to 13 of the specification, the present invention is a device for controlling excess in an inner cavity and an oil path of a casing, which mainly comprises: base 1, work piece 2, abrasive brick 3, bottom plate 4, fixed knot construct, revolution mechanic, rotation structure and washing structure, the relation of connection is as follows:
be provided with pneumatic cylinder 5 on the base 1, be provided with the cavity structure on the work piece 2, abrasive brick 3 sets up inside the cavity structure, work piece 2 sets up on bottom plate 4, bottom plate 4 sets up on revolution mechanic, and bottom plate 4 and revolution mechanic junction are provided with elastic component 6, fixed knot constructs and sets up on bottom plate 4, and fixed knot constructs and 2 outer wall facies laminating of work piece, revolution mechanic sets up on revolution mechanic, and revolution mechanic swing joint, revolution mechanic both ends and the 5 flexible end fixed connection of pneumatic cylinder, it sets up on base 1 to wash the structure, 4 bottoms of bottom plate are provided with vibrating motor 7, be provided with the auxiliary vibration polishing device on the base 1.
In conclusion, when the grinding wheel is used, the workpiece 2 is placed on the bottom plate 4, the fixing structure is started, the workpiece 2 is fixed through the fixing structure, the grinding block 3 is placed in the inner cavity or the oil circuit, and the two ends of the inner cavity or the oil circuit are blocked, the grinding block 3 is prevented from falling off when the inner cavity or the oil circuit is cleaned, the vibration motor 7 is started, the vibration of the vibration motor 7 drives the bottom plate 4 to vibrate, thereby driving the grinding block 3 to vibrate, thereby achieving the effect of controlling the redundant objects in the inner cavity or the oil circuit, starting the hydraulic cylinder 5, adjusting the height of the bottom plate 4 through the hydraulic cylinder 5, when the lifting device is lifted to a designated height, the rotating structure is started, the bottom plate 4 can be adjusted from a horizontal angle to a vertical angle through the rotating structure, and meanwhile, the rotating structure is started, and the inner cavity or the inner part of the oil way is polished in an all-round manner through the matching of the rotating structure and the rotating structure.
Preferably, the sand-blasting device 26 further comprises: a box body 2601, a material box 2602, an air compressor 2603 and a spray gun 2604;
the box 2601 sets up in vibration polishing and grinding device 27 one side, and material case 2602 sets up in box 2601 one side, and spray gun 2604 is connected with material case 2602, and air compressor 2603 sets up between material case 2602 and spray gun 2604, is provided with the dodge gate on the box 2601, has seted up the viewing aperture on the dodge gate, and the inside protective gloves that is provided with of box 2601, material case 2602 discharge gate department is provided with the material and adjusts the structure, and the box 2601 bottom is provided with the receipts workbin.
According to the situation, when in use, the carborundum, the quartz sand and the copper ore sand are mixed according to the proportion: 6: after being mixed, the mixture is placed into a material box 2602, a workpiece to be polished is placed into the box 2601, an air compressor 2603 is started, a spray gun 2604 is controlled by protective gloves to blow sand to the workpiece, and then the outer surface of the workpiece is polished.
Preferably, the vibration polishing device 27 further includes: a second base 2701, a second elastic member 2702, a pressure bearing member 2703, a vibration motor 2704, a connecting pipe 2705 and a connecting rod 2706;
a plurality of second elastic members 2702 are disposed on the second base 2701, and the bottom end of the second elastic members 2702 is fixedly connected to the top end of the second base 2701, the pressure-bearing member 2703 is fixedly connected to the top end of the second elastic members 2702, a pair of vibration motors 2704 is disposed on both sides of the pressure-bearing member 2703, a connecting pipe 2705 is fixedly mounted on the top end of the pressure-bearing member 2703, the connecting pipe 2705 is disposed at both ends of the pressure-bearing member 2703, one end of a connecting rod 2706 is inserted into the connecting pipe 2705, the polishing structure is connected to the connecting rod 2706, and the workpiece is disposed inside the polishing.
In this way, the second elastic member 2702 is supported and fixed by the second base 2701, the reciprocating motion of the polishing structure is realized through the second elastic piece 2702, the polishing structure and the vibration motor 2704 are supported and fixed through the pressure bearing piece 2703, the connecting rod 2706 is fixed by the connecting pipe 2705, the connection between the polishing structure and the pressure-bearing member 2703 is increased by the cooperation between the connecting rod 2706 and the connecting pipe 2705, when in use, the angle of the vibration motors 2704 is set so that the rotating shafts of the vibration motors 2704 are in a parallel position, and the rotation directions of the pair of vibration motors 2704 are opposite, thereby realizing the up-and-down movement of the polishing structure, placing the workpiece in the polishing structure, starting the vibration motor 2704, through the vibrations of vibrating motor 2704, make pressure-bearing piece 2703 shake to drive and throw the structure of grinding and shake, and then throw the grinding to the work piece.
Wherein, revolution mechanic includes: the first driving machine 8, the supporting assembly 9, the connecting block 10 and the rotating plate 11;
supporting component 9 and the flexible end fixed connection of pneumatic cylinder 5, first driving machine 8 fixed mounting is on supporting component 9, and first driving machine 8 and supporting component 9 junction are provided with first fixing bolt, connecting block 10 and the first driving machine 8 drive end fixed connection, and rotating-plate 11 cover is located on the revolution mechanic, and 11 both ends of rotating-plate and connecting block 10 fixed connection.
The rotating plate 11 is of a circular ring plate-shaped structure, a first annular groove is formed in the inner side wall surface of the rotating plate 11, and the connecting block 10 is of a circular columnar structure.
In conclusion, when using, through the stability that supporting component 9 increased first driving machine 8, start first driving machine 8, the rotation through first driving machine 8 drives connecting block 10 and rotates to drive rotor plate 11 and rotate, thereby adjust rotating-structure's angle.
Wherein, revolution mechanic includes: a second driving machine 12, a rotary gear 13, a rack 14, and a rotary plate 15;
the rotating plate 15 is arranged in the rotating plate 11, the second driving machine 12 is arranged on the rotating plate 15, the driving end of the second driving machine 12 penetrates through the bottom of the rotating plate 15, the rotating gear 13 is sleeved on the driving end of the second driving machine 12, the rack 14 is arranged in the rotating plate 11, and the rack 14 is meshed with the rotating gear 13.
The rotating plate 15 is of a circular plate-shaped structure, a pair of second annular grooves are formed in the rotating plate 15 and are arranged opposite to the first annular grooves, a pair of circular grooves are formed in the rotating plate 15 and are located at two ends of the rotating plate 15, and the circular grooves are arranged opposite to the rotating gear 13.
In summary, when the second driving machine 12 is operated, the rotation of the second driving machine 12 rotates the rotary gear 13, the rack 14 engaged therewith rotates, and the rotary plate 15 rotates.
Wherein, fixed knot constructs including: a fixing plate 16, an adjusting bolt 17, a fixing block 18 and a pneumatic clamping jaw 19;
the fixing plate 16 is fixedly installed on the bottom plate 4, a second fixing bolt is arranged at the joint of the fixing plate 16 and the bottom plate 4, the adjusting bolt 17 is screwed on the fixing plate 16, the fixing block 18 is arranged at one end of the adjusting bolt 17, the fixing block 18 is movably connected with the adjusting bolt 17, an adjusting handle is arranged at the other end of the adjusting bolt 17, the pneumatic clamping jaw 19 is fixedly installed on the fixing block 18, and an anti-slip pad is arranged on the inner side wall surface of the fixing block 18.
The bottom plate 4 is circular platelike structure, has seted up a pair of first screw hole on the bottom plate 4, and first screw hole matches each other with second fixing bolt, and fixed plate 16 is arc platelike structure, has seted up second screw hole and adjusting bolt 17 phase-match on the fixed plate 16, and fixed block 18 is arc platelike structure, is provided with the slipmat on the side wall face in the fixed block 18.
In conclusion, when the clamping device is used, the adjusting bolt 17 is fixedly supported through the fixing plate 16, the horizontal position of the fixing block 18 is adjusted by rotating the adjusting bolt 17, so that the workpiece 2 is tightened, the pneumatic clamping jaw 19 is started simultaneously, the stability of the workpiece 2 is improved through the pneumatic clamping jaw 19, the phenomenon that the workpiece 2 falls off and the like is prevented when the workpiece 2 is rotated, the skid resistance is improved through the anti-skid pad, and the phenomenon that the outer surface of the workpiece 2 is damaged is avoided.
Wherein, wash the structure and include: a booster pump 20, a hose 21, a high-pressure nozzle 22 and a connector 23;
In summary, when the high-pressure cleaning device is used, one end of the connector 23 is connected with one end of the oil path, a water source is connected, the booster pump 20 is started, and the high-pressure nozzle 22 controls the strength of water pressure, so that the inside of the oil path is cleaned at high pressure.
Wherein, the supporting component 9 comprises: a support plate 901, a connecting column 902 and a limiting column 903;
the supporting plate 901 is fixedly connected with the telescopic end of the hydraulic cylinder 5, the top end of the supporting plate 901 is fixedly connected with the bottom end of the limiting column 903, one end of the connecting column 902 is fixedly connected with the first driving machine 8, and a pair of bearings are arranged at the joint of the connecting column 902 and the limiting column 903.
The backup pad 901 is the rectangular plate structure, and backup pad 901 and spliced pole 902 junction are provided with the screw, and spacing post 903 is circular columnar structure, and spacing post 903 top is the arc form, has seted up circular through-hole on the spacing post 903, circular through-hole and the first driving machine 8 drive end phase-match.
In conclusion, when the driving device is used, the connecting column 902 is used for increasing the connectivity between the supporting plate 901 and the hydraulic cylinder 5, the first driving machine 8 is supported and fixed through the supporting plate 901, and the pressure of the rotating structure on the first driving machine 8 is reduced through the matching of the limiting column 903 and the bearing, so that the service life of the first driving machine 8 is prolonged.
Wherein, still include: the connecting assembly 24 is arranged at the joint of the fixed block 18 and the bottom plate 4;
the connecting assembly 24 includes: a chute 2401 and a slider 2402;
the sliding groove 2401 is arranged inside the bottom plate 4, one end of the sliding block 2402 is fixedly connected with the bottom end of the fixed block 18, and the other end of the sliding block 2402 is embedded inside the sliding groove 2401.
The connection between the fixed block 18 and the bottom plate 4 is increased through the connecting assembly 24, the motion track of the fixed block 18 is limited through the sliding groove 2401, and the stability of the fixed block 18 is improved through the sliding block 2402.
Wherein, still include: an auxiliary fixing portion 25 provided on the fixing block 18;
the auxiliary fixing portion 25 includes: an adjustment post 2501, an adjustment block 2502, and a turning handle 2503;
adjust post 2501 one end and set up on fixed block 18, rotate handle 2503 and adjust post 2501 other end fixed connection, adjusting block 2502 sets up inside fixed block 18, and adjusting block 2502 and adjust post 2501 fixed connection, wherein, be provided with external screw hole on adjusting post 2501, the internal thread hole has been seted up at fixed plate 16 both ends, and internal thread hole and regulation post 2501 match each other.
The stability between the workpiece 2 and the fixing block 18 is improved through the auxiliary fixing part 25, meanwhile, the workpiece 2 with various specifications can be adapted, the situation that the workpiece 2 falls off due to few contact points is avoided, the adjusting column 2501 is rotated through the rotating handle 2503, the adjusting block 2502 horizontally moves through the rotation of the adjusting column 2501, and therefore the workpiece 2 is fixed in an auxiliary mode.
The elastic part 6 is a spring, the size of the elastic part 6 is 6-16 phi, and the first driving machine 8 and the second driving machine 12 are servo motors.
The control equipment is also internally provided with a central control unit (not shown in the figure) for adjusting the working state of each part.
Wherein, the control steps of the redundancy are as follows:
s1, cleaning, namely cleaning the workpiece, cleaning impurities on the workpiece, and drying the workpiece;
s2, performing sand blasting, namely placing the cleaned workpiece in a sand blasting device, and performing sand blasting treatment on the outer surface of the workpiece through the sand blasting device;
s3, water jet, and performing deep cleaning on the workpiece by the water jet, wherein the range of the pressure value P of the water jet is as follows: p is more than or equal to 80MPa and less than or equal to 150 MPa;
s4, vibrating and polishing, wherein the outer surface of the workpiece is polished by a vibrating polishing device;
s5, placing the workpiece on a fixing structure, clamping the workpiece by the fixing structure, starting an auxiliary vibration polishing device, and polishing and grinding the inner cavity or the inner part of the oil way of the workpiece by the auxiliary vibration polishing device so as to roughly process burrs and flashes in the inner cavity or the oil way;
s6, high-pressure cleaning, cleaning the inner cavity or the inside of the oil way by the cleaning structure, blowing and air-drying the inside of the cleaning structure by compressed air after the cleaning is finished, wherein the range of the cleaning pressure value A is as follows: a is more than or equal to 1 MPa;
s7, placing the grinding blocks in the inner cavity of the workpiece or the oil way, and plugging two ends of the inner cavity or the oil way, wherein the range of the volume ratio B of the packed grinding blocks to the inner cavity or the oil way is as follows: b is more than or equal to 0.5 and less than or equal to 0.95;
s8, starting a vibration motor to enable the grinding block to carry out vibration polishing in the inner cavity or the oil path, starting a rotating structure and a rotating structure, and enabling the grinding block to carry out sufficient relative movement in the inner cavity or the oil path by matching of the rotating structure and the rotating structure so as to carry out fine treatment on the inner cavity or the oil path;
and S9, after polishing is finished, taking down the seal plug, taking out the grinding block in the inner cavity or the oil path, cleaning and collecting the grinding block, and cleaning the whole workpiece through a cleaning device, thereby finishing the control of the redundant materials of the inner cavity or the oil path.
When the grinding blocks are put into the inner cavity or the oil path of the workpiece, the cavity volume V of the inner cavity or the oil path to be put is detected, the detection result is transmitted to the central control unit, the central control unit determines the theoretical accumulation volume Va of the filled grinding blocks according to the cavity volume V, and Va = VD1XD 2, wherein D1 is the first compensation parameter for the cavity volume V versus the theoretical bulk volume Va of the filled block, 0 < D1 < 1, and D2 is the second compensation parameter for the cavity volume V versus the theoretical bulk volume Va of the filled block;
the central control unit calculates the volume ratio Ba of the theoretical accumulation volume Va to the cavity volume V, wherein Ba = Va/V;
because D1 is more than 0 and less than 1, the larger the cavity volume V is, the smaller the volume ratio Ba of the theoretical accumulation volume Va to the cavity volume V is, and the required amount of the grinding block is reduced according to a certain proportion along with the increase of the cavity volume; when the volume V of the cavity is smaller, the volume ratio Ba is larger, so that the cleaning force of the cavity structure with small volume is ensured; when the volume V of the cavity is larger, the volume ratio Ba is smaller, so that the grinding blocks in the cavity can be ensured to be sufficiently vibrated, the phenomenon that the grinding blocks cannot be effectively vibrated due to the fact that the grinding blocks are excessive in the cavity and cannot be cleaned is prevented, and the cleaning force of a large-volume cavity structure is ensured;
the central control unit is internally provided with a reasonable volume ratio minimum value B1 and a reasonable volume ratio maximum value B2, and compares the volume ratio Ba with a reasonable volume ratio minimum value B1 and a reasonable volume ratio maximum value B2:
when Ba is less than or equal to B1, the central control unit judges that the volume ratio Ba is not in a reasonable range, and the central control unit adjusts the accumulation volume of the grinding block;
when Ba is more than B1 and less than or equal to B2, the volume ratio Ba is judged to be in a reasonable range by the central control unit, and the theoretical deposition volume Va of the grinding block is judged to be the actual deposition volume Vb by the central control unit;
when Ba is larger than B2, the central control unit judges that the volume ratio Ba is not in a reasonable range, and the central control unit adjusts the accumulation volume of the grinding blocks.
When Ba is less than or equal to B1, the central control unit judges that the value of the theoretical stacking volume Va is too low, and the central control unit calculates the actual stacking volume Vb of the grinding block, wherein Vb = B1 xV;
when Ba is larger than B2, the central control unit judges that the theoretical accumulation volume Va value is too high, and the central control unit calculates the actual accumulation volume Vb of the grinding block, wherein Vb = B2 xV;
by setting the limit value of the volume ratio, the phenomenon that the grinding blocks cannot be cleaned by vibration due to the fact that the cavities are too small in volume and too large in filling amount is prevented from occurring, and meanwhile, the phenomenon that the quantity of the grinding blocks is insufficient and the cleaning of redundant materials is incomplete due to the fact that the cavities are too large in volume is prevented from occurring.
The central control unit is internally provided with an initial vibration frequency Q of the vibration motor;
the central control unit calculates the vibration frequency Qa of the vibration motor, Qa = (Q multiplied by K multiplied by z)/Vb according to the actual accumulation volume Vb, wherein K is an adjusting parameter of the accumulation volume Vb to the vibration frequency Qa of the vibration motor, and z is a compensation coefficient of the accumulation volume Vb to the vibration frequency Qa of the vibration motor;
the vibration frequency Qa of the vibration motor is adjusted according to the adding and stacking volume ratio of the grinding blocks, when Vb is larger, the actual cavity volume of the workpiece is smaller, meanwhile, the stacking volume of the grinding blocks is smaller, the required vibration frequency is smaller, and similarly, when Vb is smaller, the required vibration frequency is larger, the vibration frequency of the vibration motor is intelligently adjusted, the vibration frequency is ensured to be in an ideal range, and the cleaning force to the cavity structure is ensured.
For the adjusting parameter K of the accumulation volume Vb to the vibration frequency Qa of the vibration motor, a first adjusting parameter K1 and a second adjusting parameter K2 are arranged in the central control unit, and the central control unit determines the adjusting parameter K according to the type of the cavity structure;
when the cavity structure is an inner cavity of the casing, the central control unit selects a first adjusting parameter K1 as an adjusting parameter K;
when the cavity structure is an oil way, the central control unit selects a second adjusting parameter K2 as an adjusting parameter K.
According to different cavity structures, the adjustment parameter K is determined, the vibration frequency is further ensured within an ideal range, and the cleaning strength of the cavity structures is guaranteed.
The central control unit determines a specific value of the compensation coefficient z according to the size relation between the volume ratio Ba and the reasonable volume ratio minimum value B1 and the reasonable volume ratio maximum value B2;
when Ba is less than or equal to B1, the central control unit calculates the actual stacking volume Vb and the theoretical stacking volume Va to calculate a compensation coefficient z, and z = Va/Vb;
when Ba is more than B1 and less than or equal to B2, the central control unit judges that the theoretical accumulation volume Va of the grinding block is the actual accumulation volume Vb, and z = 1;
when Ba is larger than B2, the central control unit calculates the actual deposition volume Vb and the theoretical deposition volume Va to calculate a compensation coefficient z, and z = Vb/Va;
when the central control unit determines that the theoretical accumulation volume Va is too low, the central control unit increases the accumulation volume value, and at this time, the cavity volume is large, so that the vibration frequency is increased, and the excess is ensured to be thoroughly cleaned.
When the grinding block is filled and the two ends of the cavity are sealed, the central control unit starts the vibration motor to vibrate the workpiece, and the vibration frequency is Qa;
to sum up, the embodiment of the present invention provides a method for controlling redundancy of an inner cavity and an oil path of a casing, which includes: the device comprises a base, a workpiece, a grinding block, a bottom plate, a fixing structure, a rotating structure and a cleaning structure; the base is provided with a hydraulic cylinder, the workpiece is provided with a cavity structure, the grinding block is arranged in the cavity structure, the workpiece is arranged on the bottom plate, the bottom plate is arranged on the rotating structure, the joint of the bottom plate and the rotating structure is provided with an elastic piece, the fixing structure is arranged on the bottom plate, the fixing structure is attached to the outer wall surface of the workpiece, the rotating structure is arranged on the rotating structure and movably connected with the rotating structure, two ends of the rotating structure are fixedly connected with the telescopic end of the hydraulic cylinder, the cleaning structure is arranged on the base, the bottom end of the bottom plate is provided with a vibration motor, the base is provided with an auxiliary vibration polishing device, the control method of the inner cavity of the casing and the excess of the oil circuit is reasonable in design, simple in structure, simple in use method and convenient to operate, the inner cavity or the oil circuit can be polished in all directions by matching the rotating structure and the rotating structure without manually adjusting the angle of a workpiece, so that automatic processing is realized, the inner cavity or the oil circuit can be polished effectively by matching the grinding block and the auxiliary polishing structure, the problem of damage to the inner wall surface of the inner cavity or the oil circuit due to overlarge force can be effectively solved, polishing efficiency and precision are improved, economic cost is reduced, the problem that the excessive control of the inside of the oil circuit is complicated due to the fact that a plurality of inner cavities and oil circuits are paved in the machine box and the trend of the oil circuit is complicated in the processing process of the existing machine box is solved, meanwhile, the difficulty in cleaning the inner cavities and the oil circuits is increased due to small apertures of the inner cavities and the oil circuits, and when the cleaning force is overlarge, and the inner wall surfaces of the inner cavity and the oil way are easily damaged, so that the internal pressure of the inner cavity and the oil way is reduced, and the problems of oil leakage and the like are caused.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The method for controlling the excess of the inner cavity and the oil circuit of the engine case is characterized by comprising the following steps of:
s1, cleaning, namely cleaning the workpiece, cleaning impurities on the workpiece, and drying the workpiece;
s2, sand blasting, namely placing the cleaned workpiece in a sand blowing device, and carrying out sand blasting treatment on the outer surface of the workpiece by the sand blowing device;
s3, water jet, and performing deep cleaning on the workpiece by the water jet, wherein the pressure value P of the water jet is in the range of: p is more than or equal to 80MPa and less than or equal to 150 MPa;
s4, vibrating and polishing, wherein the outer surface of the workpiece is polished by a vibrating polishing device;
s5, placing the workpiece on the fixing structure, clamping the workpiece by the fixing structure, starting the auxiliary vibration polishing device, and polishing the inner cavity or the inner part of the oil path of the workpiece by the auxiliary vibration polishing device so as to perform rough treatment on burrs and fins in the inner cavity or the oil path;
s6, high-pressure cleaning, wherein the cleaning structure is used for cleaning the inner cavity or the inner part of the oil way, the cleaning structure is used for blowing and air-drying the inner part of the oil way through compressed air after cleaning is finished, and the range of the cleaning pressure value A is as follows: a is more than or equal to 1 MPa;
s7, placing the grinding blocks in the inner cavity of the workpiece or the oil way, and plugging two ends of the inner cavity or the oil way, wherein the range of the volume ratio B of the packed grinding blocks to the inner cavity or the oil way is as follows: b is more than or equal to 0.5 and less than or equal to 0.95;
s8, starting a vibration motor to enable the grinding block to perform vibration polishing in the inner cavity or the oil path, and starting a rotating structure and a rotating structure, wherein the rotating structure and the rotating structure are matched to enable the grinding block to perform sufficient relative motion in the inner cavity or the oil path so as to perform fine processing on the inner cavity or the oil path;
s9, after polishing is finished, the seal plug is taken down, the grinding block in the inner cavity or the oil path is taken out, the grinding block is cleaned and collected, the whole workpiece is cleaned through a cleaning device, and accordingly surplus object control of the inner cavity or the oil path is finished;
a central control unit is arranged in the control equipment and used for adjusting the working state of each part;
when the grinding block is put into the inner cavity of the workpiece or the oil path, detecting the cavity volume V of the inner cavity or the oil path to be put in, and determining the theoretical accumulation volume Va of the filled grinding block by the central control unit according to the cavity volume V; the central control unit calculates a volume ratio Ba according to the theoretical accumulation volume Va and the cavity volume V, and adjusts the accumulation volume of the grinding block according to the volume ratio to determine an actual accumulation volume Vb;
when the grinding block is filled and the two ends of the cavity are plugged, the central control unit starts the vibration motor to vibrate the workpiece, and the vibration frequency is Qa; the central control unit is internally provided with an initial vibration frequency Q of the vibration motor, the central control unit adjusts the vibration frequency Q for the first time according to the accumulation volume of the grinding block, adjusts the vibration frequency Q for the second time according to the cavity type, adjusts the vibration frequency Q for the third time according to the volume ratio Ba, and the adjusted vibration frequency is the working frequency Qa of the vibration motor.
2. The method as claimed in claim 1, wherein the control of the excess in the inner cavity and oil circuit of the engine case is performed in a reciprocating mannerWhen the grinding blocks are put in the inner cavity of the workpiece or the oil circuit, the cavity volume V of the inner cavity or the oil circuit to be put in is detected, the detection result is transmitted to the central control unit, the central control unit determines the theoretical accumulation volume Va of the filled grinding blocks according to the cavity volume V, and the theoretical accumulation volume Va is VD1XD 2, wherein D1 is the first compensation parameter for the cavity volume V versus the theoretical bulk volume Va of the filled block, 0 < D1 < 1, and D2 is the second compensation parameter for the cavity volume V versus the theoretical bulk volume Va of the filled block;
the central control unit calculates the volume ratio Ba of the theoretical accumulation volume Va to the cavity volume V, and the Ba is Va/V.
3. The method for controlling the excess of the inner cavity of the engine case and the oil circuit as claimed in claim 2, wherein a minimum value B1 of a reasonable volume ratio and a maximum value B2 of the reasonable volume ratio are provided in the central control unit, and the central control unit compares the volume ratio Ba with the minimum value B1 of the reasonable volume ratio and the maximum value B2 of the reasonable volume ratio:
when Ba is less than or equal to B1, the central control unit judges that the volume ratio Ba is not in a reasonable range, and the central control unit adjusts the accumulation volume of the grinding block;
when Ba is more than B1 and less than or equal to B2, the volume ratio Ba is judged to be in a reasonable range by the central control unit, and the theoretical deposition volume Va of the grinding block is judged to be the actual deposition volume Vb by the central control unit;
when Ba is larger than B2, the central control unit judges that the volume ratio Ba is not in a reasonable range, and the central control unit adjusts the accumulation volume of the grinding blocks.
4. The method for controlling the inner cavity of the casing and the oil circuit redundancy of claim 3, wherein when Ba is less than or equal to B1, the central control unit judges that the value of the theoretical deposition volume Va is too low, and the central control unit calculates the actual deposition volume Vb of the grinding block, wherein Vb is B1 xV;
when Ba is larger than B2, the central control unit judges that the value of theoretical deposition volume Va is too high, and the central control unit calculates the actual deposition volume Vb of the grinding block, wherein Vb is B2 multiplied by V.
5. The method for controlling the surplus in the inner cavity of the casing and the oil circuit according to claim 4, wherein the central control unit calculates the vibration frequency Qa of the vibration motor according to the actual deposition volume Vb, wherein Qa is (Q × K × z)/Vb, where K is an adjustment parameter of the deposition volume Vb to the vibration frequency Qa of the vibration motor, and z is a compensation coefficient of the deposition volume Vb to the vibration frequency Qa of the vibration motor.
6. The method for controlling the excess of the inner cavity and the oil circuit of the engine case as claimed in claim 5, wherein for the adjusting parameter K of the stack volume Vb to the vibration frequency Qa of the vibration motor, a first adjusting parameter K1 and a second adjusting parameter K2 are arranged in the central control unit, and the central control unit determines the adjusting parameter K according to the type of the cavity structure;
when the cavity structure is an inner cavity of the casing, the central control unit selects a first adjusting parameter K1 as an adjusting parameter K;
when the cavity structure is an oil way, the central control unit selects a second adjusting parameter K2 as an adjusting parameter K.
7. The method for controlling the excess of the inner cavity of the engine case and the oil circuit according to claim 6, wherein the central control unit determines the specific value of the compensation coefficient z according to the magnitude relation between the volume ratio Ba and the minimum value B1 and the maximum value B2 of the reasonable volume ratio;
when Ba is less than or equal to B1, the central control unit calculates an actual stacking volume Vb and a theoretical stacking volume Va to calculate a compensation coefficient z, wherein z is Va/Vb;
when Ba is more than B1 and less than or equal to B2, the central control unit judges that the theoretical accumulation volume Va of the grinding block is the actual accumulation volume Vb, and z is 1;
when Ba > B2, the central control unit calculates the actual bulk volume Vb and the theoretical bulk volume Va to calculate the compensation factor z, z being Vb/Va.
8. A casing inner cavity and oil circuit surplus control apparatus applied to the control method of the casing inner cavity and the oil circuit surplus according to any one of claims 1 to 7, characterized by comprising: the device comprises a base, a workpiece, a grinding block, a bottom plate, a fixing structure, a rotating structure, a cleaning structure, a sand blowing device and a vibration polishing device;
the sand blowing device is positioned at one side of the base, the vibration polishing device is positioned at the other side of the base, the base is provided with a hydraulic cylinder, the workpiece is provided with a cavity structure, the grinding block is arranged in the cavity structure, the workpiece is arranged on the bottom plate, the bottom plate is arranged on the rotating structure, and the connection part of the bottom plate and the rotating structure is provided with an elastic piece, the fixed structure is arranged on the bottom plate, the fixed structure is jointed with the outer wall surface of the workpiece, the rotating structure is arranged on the rotating structure, the rotating structure is movably connected with the rotating structure, two ends of the rotating structure are fixedly connected with the telescopic end of the hydraulic cylinder, the cleaning structure is arranged on the base, the bottom end of the bottom plate is provided with a vibrating motor, and the base is provided with an auxiliary vibrating polishing device.
9. The apparatus of claim 8, wherein said rotating structure comprises: the first driving machine, the supporting assembly, the connecting block and the rotating plate;
the supporting assembly is fixedly connected with the telescopic end of the hydraulic cylinder, the first driving machine is fixedly installed on the supporting assembly, a first fixing bolt is arranged at the joint of the first driving machine and the supporting assembly, the connecting block is fixedly connected with the driving end of the first driving machine, the rotating plate is sleeved on the rotating structure, and two ends of the rotating plate are fixedly connected with the connecting block;
the rotating structure includes: the second driving machine, the rotating gear, the rack and the rotating plate;
the rotating plate is arranged in the rotating plate, the second driving machine is arranged on the rotating plate, the driving end of the second driving machine penetrates through the bottom of the rotating plate, the rotating gear is sleeved on the driving end of the second driving machine, the rack is arranged in the rotating plate, and the rack is meshed with the rotating gear;
the fixing structure includes: the pneumatic clamping device comprises a fixing plate, an adjusting bolt, a fixing block and a pneumatic clamping jaw;
the fixing plate is fixedly arranged on the bottom plate, a second fixing bolt is arranged at the joint of the fixing plate and the bottom plate, the adjusting bolt is screwed on the fixing plate, the fixing block is arranged at one end of the adjusting bolt and movably connected with the adjusting bolt, an adjusting handle is arranged at the other end of the adjusting bolt, the pneumatic clamping jaw is fixedly arranged on the fixing block, and an anti-skid pad is arranged on the inner side wall surface of the fixing block;
the cleaning structure includes: the device comprises a booster pump, a hose, a high-pressure nozzle and a connector;
the booster pump is arranged at the bottom end of the base, one end of the booster pump is fixedly connected with the hose, the other end of the booster pump is connected with a water source, the high-pressure nozzle is fixedly arranged on the hose, the connector is fixedly connected with the high-pressure nozzle, the hose is provided with a corrugated steel pipe, and the corrugated steel pipe is sleeved on the hose;
the support assembly includes: the device comprises a supporting plate, a connecting column and a limiting column;
the support plate is fixedly connected with the telescopic end of the hydraulic cylinder, the top end of the support plate is fixedly connected with the bottom end of the limiting column, one end of the connecting column is fixedly connected with the first driving machine, and a pair of bearings is arranged at the connecting position of the connecting column and the limiting column.
10. The control apparatus for controlling an internal cavity and an oil circuit redundancy of a casing according to claim 9, wherein the control apparatus further comprises:
the connecting assembly is arranged at the joint of the fixed block and the bottom plate;
the connecting assembly includes: a sliding chute and a sliding block;
the sliding groove is arranged in the bottom plate, one end of the sliding block is fixedly connected with the bottom end of the fixed block, and the other end of the sliding block is embedded in the sliding groove;
the control apparatus further includes:
the auxiliary fixing part is arranged on the fixing block;
the auxiliary fixing part includes: the adjusting device comprises an adjusting column, an adjusting block and a rotating handle;
one end of the adjusting column is arranged on the fixed block, the rotating handle is fixedly connected with the other end of the adjusting column, the adjusting block is arranged in the fixed block, and the adjusting block is fixedly connected with the adjusting column;
the elastic part adopts a spring, the size of the elastic part is 6-16 phi, and the first driving machine and the second driving machine both adopt servo motors.
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| CN115837631A (en) * | 2023-02-21 | 2023-03-24 | 太原理工大学 | High-precision gear composite vibration shape collaborative polishing method and device |
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| CN112571603A (en) * | 2020-12-04 | 2021-03-30 | 淄博昊祥模具科技有限公司 | Ceramic hand mold post-processing device |
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| WO2004078415A1 (en) * | 2003-03-08 | 2004-09-16 | Schenck Process Gmbh | Method and device for treating the surfaces of metallic workpieces |
| CN108015265A (en) * | 2017-11-02 | 2018-05-11 | 中国航发哈尔滨东安发动机有限公司 | Complicated cavity and oil circuit casting inner wall cleaning method |
| CN108772780A (en) * | 2018-06-08 | 2018-11-09 | 太原理工大学 | A kind of horizontal exciting polishing and grinding apparatus and method of light alloy casting complex-shaped surface mould |
| CN110682197A (en) * | 2019-11-04 | 2020-01-14 | 嘉兴辉宇传动技术有限公司 | Grinding equipment is used in bearing production |
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| CN111805381A (en) * | 2020-07-10 | 2020-10-23 | 中铁一局集团电务工程有限公司 | Self-dust-absorption type steel rail rust removing device convenient to fix |
| CN112571603A (en) * | 2020-12-04 | 2021-03-30 | 淄博昊祥模具科技有限公司 | Ceramic hand mold post-processing device |
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| CN115837631A (en) * | 2023-02-21 | 2023-03-24 | 太原理工大学 | High-precision gear composite vibration shape collaborative polishing method and device |
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| Publication number | Publication date |
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| CN113070816B (en) | 2022-11-15 |
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