CN115255312A - Aviation piston part forming and processing equipment - Google Patents
Aviation piston part forming and processing equipment Download PDFInfo
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- CN115255312A CN115255312A CN202210831567.8A CN202210831567A CN115255312A CN 115255312 A CN115255312 A CN 115255312A CN 202210831567 A CN202210831567 A CN 202210831567A CN 115255312 A CN115255312 A CN 115255312A
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- fixedly arranged
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- rotating disc
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- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims abstract description 6
- 230000000670 limiting effect Effects 0.000 claims description 20
- 230000008602 contraction Effects 0.000 claims description 12
- 238000005266 casting Methods 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/101—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/04—Bringing together or separating moulds
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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 field of piston machining, in particular to forming and machining equipment for aviation piston parts, which comprises a workbench, a supporting platform, a centrifugal mechanism, a first rotating disc, a second rotating disc, split molds, a rotating mechanism and a mold sealing mechanism, wherein a casting hole is machined in the second rotating disc, each split mold comprises a first half mold and a second half mold, and air holes are formed in each first half mold and each second half mold.
Description
Technical Field
The invention relates to the field of piston machining, in particular to forming and machining equipment for aviation piston parts.
Background
The piston is a reciprocating member in an engine cylinder block, and materials for the piston have been developed in order to improve the mobility of the piston, maintain the mechanical strength of the piston, and reduce the weight of the piston. At present, aluminum-silicon alloys, and common aluminum alloys such as Kobe-Tahmemu heat-resistant aluminum alloys are used.
Piston fashioned equipment is generally one to the pouring of mould in high temperature aluminium water, can not carry out the pouring of disposable a plurality of moulds to after pouring into high temperature aluminium water into the mould, unable fine air with high temperature aluminium water and the air that is located the mould discharge completely, the piston that can cause production like this appears the defect, and then causes production efficiency low.
Disclosure of Invention
Therefore, in order to solve the problems in the prior art, the aviation piston part forming and processing equipment needs to be provided.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the utility model provides an aviation piston class part contour machining equipment, includes the workstation and is the fixed supporting platform who sets up in the workstation inside of horizontality, still includes:
the centrifugal mechanism is fixedly arranged on the working plane of the workbench and is provided with an output end used for rotating;
the first rotating disc is coaxially and fixedly arranged on the output end of the centrifugal mechanism in a horizontal state;
the second rotating disc is coaxially and rotatably arranged on one side, away from the working plane of the workbench, of the output end of the centrifugal mechanism in a horizontal state, and a plurality of pouring holes are machined in the second rotating disc;
the number of the split molds is the same as that of the pouring holes, each split mold comprises a first half mold and a second half mold, each first half mold is fixedly arranged on the first rotating disc in a vertical state, each second half mold is fixedly arranged on the second rotating disc in a vertical state, and air holes are formed in the outer side wall, close to the first rotating disc, of each first half mold and each second half mold;
the rotating mechanism is fixedly arranged on the first rotating disk in a horizontal state and is provided with an output end, and the output end is fixedly connected to the second rotating disk and used for pushing the second rotating disk to rotate so as to enable the split type mold to be matched;
and the mold sealing mechanism is coaxially and fixedly arranged on one side of the second rotating disk, which is far away from the first rotating disk, and is used for sealing the pouring hole.
Further, the centrifugal mechanism includes:
the motor is fixedly arranged on the supporting platform in a vertical state;
the planetary gear mechanism is coaxially and rotatably arranged at the output end of the motor, and comprises a sun gear, a plurality of planetary gears, a planetary carrier, a rotary rod, a shell and a cover body, wherein each planetary gear is fixedly arranged at one side of the planetary carrier, which is far away from the motor, a vertical rod is processed at one side of the planetary carrier, which is close to the motor, the vertical rod is coaxially and fixedly arranged at the output end of the motor, the shell is coaxial with the vertical rod and fixedly arranged on a working plane of the workbench, a gear ring is processed on the inner wall of the shell, which is far away from the working plane of the workbench, the cover body is coaxially and fixedly arranged at one side of the shell, which is far away from the workbench, the rotary rod is coaxially and rotatably arranged on the shell, the rotary rod penetrates through the shell, the sun gear is fixedly arranged at one side of the rotary rod, which is close to the workbench, the sun gear is meshed with the plurality of planetary gears, and each planetary gear is meshed with the gear ring;
wherein, plane bearings are arranged between the planet carrier and the working plane of the working platform and between the cover body and the first rotating disk.
Furthermore, a plurality of first fixing grooves and a plurality of second fixing grooves are processed on one side, close to the first rotating disc, of the second rotating disc, a fixing column is processed at the groove bottom of each second fixing groove, a first sliding groove is processed on the inner wall of each second fixing groove, and an avoiding groove is processed at the central axis of the second rotating disc.
Further, the rotation mechanism includes:
the two mounting racks are fixedly arranged on one side, close to the second rotating disk, of the first rotating disk in a horizontal state;
the two electric push rods are fixedly arranged on the corresponding mounting frames in a horizontal state;
the two transverse push rods are coaxially and fixedly arranged on the output end of the electric push rod in a horizontal state, and a first hinge seat is machined on one side, away from the electric push rod, of each first push rod;
the plurality of supporting frames are fixedly arranged on one side, close to the second rotating disk, of the first rotating disk in a vertical state and are used for supporting the first push rod;
the two fixing rods are coaxially and fixedly arranged in the first fixing groove;
two articulated rods, it is articulated to set up on first articulated seat all to be the horizontality, and the other end is articulated to be set up on the dead lever.
And the locking pressure maintaining mechanism is fixedly arranged in the second fixing groove in a vertical state and used for locking the second rotating disc and the first rotating disc after the split type die is assembled, so that the second rotating disc is prevented from independently rotating.
Furthermore, a plurality of second sliding grooves are formed in one side, away from the centrifugal mechanism, of the first rotating disc, and positioning through holes corresponding to the second fixing grooves are formed in each sliding groove.
Further, the locking pressure maintaining mechanism includes:
the sliding columns are coaxially and slidably arranged in the second fixing groove;
the springs are coaxially sleeved on the fixed columns, one end of each spring is fixedly arranged at the bottom of the corresponding second fixed groove, and the other end of each spring is fixedly arranged at one end, close to the bottom of the second fixed groove, of the corresponding sliding column;
the plurality of limiting covers are coaxially and fixedly arranged at one ends, close to the first rotating disc, of the corresponding second fixing grooves, and each sliding column penetrates through the corresponding limiting cover;
and the unlocking mechanism is fixedly arranged on the working surface of the workbench in a vertical state and is used for unlocking and locking the pressure maintaining mechanism so as to enable the second rotating disk to rotate independently.
Further, the unlocking mechanism includes:
the cylinder base is fixedly arranged on the working plane of the workbench in a vertical state and is coaxially arranged with the corresponding second fixing groove;
the pen-shaped air cylinder is coaxially arranged on the air cylinder base in a vertical state, and the output end of the pen-shaped air cylinder vertically points to the positioning through hole.
Further, the mold sealing mechanism includes:
the fixed base is coaxially and fixedly arranged on one side, away from the first rotating disc, of the second rotating disc, and a limiting sliding rod is machined on one side, away from the second rotating disc, of the fixed base;
the square sliding block is coaxially arranged on the limiting sliding rod, a hollow beam is processed on each side face of the square sliding block, a contraction pipe sleeve is processed on one side of the square sliding block, which is far away from the second rotating disk, an elastic contraction opening capable of contracting inwards is processed at one end of the contraction pipe sleeve, which is far away from the second rotating disk, and external threads are processed on the outer wall of one side of the contraction pipe sleeve, which is close to the second rotating disk;
the number of the cylindrical plugs is the same as that of the hollow cross beam, the cylindrical plugs are fixedly arranged on one side, close to the second rotating disc, of the hollow cross beam, and each cylindrical plug is coaxially arranged with the pouring hole;
the fixed sleeve is coaxially sleeved on the shrinkage pipe sleeve, an internal thread corresponding to the external thread is processed on the inner wall of one side of the fixed sleeve, which is close to the square sliding block, and a friction part for being held and rotated by a hand is processed on the outer wall of the fixed sleeve.
Compared with the prior art, the invention has the following beneficial effects: when the split type aluminum water injection molding machine is used for mold closing, the first half mold and the second half mold are closed through the rotating mechanism, the split type molds are kept in a good mold closing state through the locking pressure maintaining mechanism, then pouring is carried out in the pouring hole, the pouring hole is sealed through the mold sealing mechanism, the output speed of the motor is accelerated through the planetary gear mechanism, the first rotating disc is driven to rotate at a high speed, high-temperature aluminum water in the split type molds on the first rotating disc is driven to be centrifugally pressurized at the same time, air in each split type mold is exhausted from the corresponding air vent, therefore, four pistons can be processed at the same time, the production efficiency is greatly improved, and air in the molds is exhausted well through the centrifugal mechanism.
Drawings
FIG. 1 is a schematic perspective view of an embodiment;
FIG. 2 is an overall exploded view of the embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic perspective view of a portion of an embodiment;
fig. 5 is a schematic perspective view of the first rotating disk and the rotating mechanism according to the embodiment;
FIG. 6 is a top view of a portion of the three-dimensional structure of the embodiment;
FIG. 7 isbase:Sub>A cross-sectional view taken along A-A of FIG. 6;
FIG. 8 is a cross-sectional view taken along B-B of FIG. 6;
fig. 9 is a plan view of the planetary gear mechanism of the embodiment.
The reference numbers in the figures are:
1. a work table; 2. a support platform; 3. a first rotating disk; 4. a second rotating disk; 5. a pouring hole; 6. a first mold half; 7. a second mold half; 8. air holes are formed; 9. a motor; 10. a sun gear; 11. a planet wheel; 12. a planet carrier; 13. rotating the rod; 14. a housing; 15. a cover body; 16. a vertical rod; 17. a first fixing groove; 18. a second fixing groove; 19. fixing the column; 20. a first chute; 21. an avoidance groove; 22. a mounting frame; 23. an electric push rod; 24. a transverse push rod; 25. a first hinge mount; 26. a support frame; 27. fixing the rod; 28. a hinged lever; 29. a second chute; 30. positioning the through hole; 31. a sliding post; 32. a spring; 33. a limiting cover; 34. a cylinder base; 35. a pen-shaped cylinder; 36. a fixed base; 37. a limiting slide bar; 38. a square slider; 39. a hollow cross beam; 40. shrinking the pipe sleeve; 41. an elastic constriction; 42. a cylindrical plug; 43. fixing a sleeve; 44. a friction portion; 45. a first planar bearing; 46. a second planar bearing.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 9, an aviation piston part forming and processing device includes a workbench 1 and a supporting platform 2 horizontally fixed inside the workbench 1, and further includes:
the centrifugal mechanism is fixedly arranged on the working plane of the workbench 1 and is provided with an output end for rotation;
the first rotating disk 3 is coaxially and fixedly arranged on the output end of the centrifugal mechanism in a horizontal state;
the second rotating disc 4 is coaxially and rotatably arranged on one side, away from the working plane of the workbench 1, of the output end of the centrifugal mechanism in a horizontal state, and a plurality of pouring holes 5 are machined in the second rotating disc 4;
the number of the split molds is the same as that of the pouring holes 5, each split mold comprises a first half mold 6 and a second half mold 7, each first half mold 6 is fixedly arranged on the first rotating disc 3 in a vertical state, each second half mold 7 is fixedly arranged on the second rotating disc 4 in a vertical state, and air holes 8 are formed in the outer side wall, close to the first rotating disc 3, of each first half mold 6 and each second half mold 7;
the rotating mechanism is fixedly arranged on the first rotating disk 3 in a horizontal state and is provided with an output end, and the output end is fixedly connected to the second rotating disk 4 and used for pushing the second rotating disk 4 to rotate so as to enable the split type mold to be matched;
and the mold sealing mechanism is coaxially and fixedly arranged on one side of the second rotating disk 4, which is far away from the first rotating disk 3, and is used for sealing the pouring hole 5.
The centrifugal mechanism includes:
the motor 9 is fixedly arranged on the supporting platform 2 in a vertical state;
the planetary gear mechanism is coaxially and rotatably arranged at the output end of the motor 9, and comprises a sun gear 10, a plurality of planet gears 11, a planet carrier 12, a rotating rod 13, a shell 14 and a cover body 15, wherein each planet gear 11 is fixedly arranged on one side, away from the motor 9, of the planet carrier 12, a vertical rod 16 is processed on one side, close to the motor 9, of the planet carrier 12, the vertical rod 16 is coaxially and fixedly arranged at the output end of the motor 9, the shell 14 is coaxial with the vertical rod 16 and fixedly arranged on the working plane of the workbench 1, a gear ring is processed on the inner wall, away from the working plane of the workbench 1, of the shell 14, the cover body 15 is coaxially and fixedly arranged on one side, away from the workbench 1, of the shell 14, the rotating rod 13 is coaxially and rotatably arranged on the shell 14, the rotating rod 13 penetrates through the shell 14, the sun gear 10 is fixedly arranged on one side, close to the workbench 1, of the rotating rod 13, the sun gear 10 is meshed with the planet gears 11, and each planet gear 11 is meshed with the gear ring;
wherein, a first plane bearing 45 is arranged between the planet carrier 12 and the working plane of the working platform 1, and a second plane bearing 46 is arranged between the cover body 15 and the first rotating disk 3.
The motor 9 drives the rotation of planet carrier 12, thereby drive the rotation of planet wheel 11, it is rotatory to drive sun gear 10 through the rotation of planet wheel 11, and the fixed setting of shell 14 is on the working face of workstation 1, so the ring gear is fixed, planetary gear mechanism plays acceleration effect this moment, the rotational speed of output through rotary rod 13 is greater than the rotational speed of motor 9 far away, first planar bearing 45 plays the effect that supports planet carrier 12 and lets planet carrier 12 can normally rotate, second planar bearing 46 plays the effect that supports first rotary disk 3 and lets first rotary disk 3 can normally rotate.
A plurality of first fixing grooves 17 and a plurality of second fixing grooves 18 are processed on one side, close to the first rotating disc 3, of the second rotating disc 4, a fixing column 19 is processed at the groove bottom of each second fixing groove 18, a first sliding groove 20 is processed on the inner wall of each second fixing groove 18, and an avoiding groove 21 is processed at the central axis of the second rotating disc 4.
The first fixing groove 17 is used for fixing the output end of the rotating mechanism, the second fixing groove 18 is used for installing other components, the first sliding groove 20 plays a limiting role, a part located in the second fixing groove 18 can only slide along the first sliding groove 20, the avoiding groove 21 is used for enabling the rotating rod 13 to penetrate, the opening area of the avoiding groove 21 is larger than the section area of the rotating rod 13, and the fixing sleeve 43 in the avoiding groove 21 is provided with a bearing to enable the second rotating disk 4 to freely rotate.
The rotating mechanism includes:
the two mounting racks 22 are fixedly arranged on one side, close to the second rotating disk 4, of the first rotating disk 3 in a horizontal state;
the two electric push rods 23 are fixedly arranged on the corresponding mounting frames 22 in a horizontal state;
the two transverse push rods 24 are coaxially and fixedly arranged on the output end of the electric push rod 23 in a horizontal state, and a first hinge seat 25 is machined on one side, far away from the electric push rod 23, of each first push rod;
the supporting frames 26 are vertically and fixedly arranged on one side of the first rotating disk 3 close to the second rotating disk 4 and used for supporting the first push rod;
two fixing rods 27 coaxially and fixedly arranged in the first fixing grooves 17;
two hinged rods 28 are hinged on the first hinged seat 25 in a horizontal state, and the other ends are hinged on the fixed rod 27.
And the locking pressure maintaining mechanism is vertically and fixedly arranged in the second fixing groove 18 and used for locking the second rotating disk 4 and the first rotating disk 3 after the split type mold is closed so as to prevent the second rotating disk 4 from independently rotating.
The two electric push rods 23 are arranged in parallel, but the working directions of the two electric push rods 23 are opposite, each electric push rod 23 pushes the corresponding transverse push rod 24, the movable end of each transverse push rod 24 is hinged to one end of a hinge rod 28, one end of each hinge rod 28 is hinged to a fixed rod 27, so that under the pushing of each electric push rod 23, the second rotary disc 4 rotates anticlockwise, the second half mould 7 on the second rotary disc 4 is matched with the first half mould 6 on the first rotary disc 3, the electric push rods 23 stop working at the moment, and the second half mould 7 and the first half mould 6 are kept in a tightly-abutted matched state through the locking and pressure-maintaining mechanism, so that the situation that the first half mould 6 and the second half mould 7 are separated in the pouring process, the pouring process is influenced, the damage to the moulds and parts is caused, and even the safety problem is caused is prevented.
A plurality of second sliding grooves 29 are formed on one side of the first rotating disk 3 away from the centrifugal mechanism, and each sliding groove is provided with a positioning through hole 30 corresponding to the second fixing groove 18.
The second chute 29 is used for enabling the output end of the locking pressure maintaining mechanism to slide in the second chute 29, so that the limiting effect is achieved, the output end of the locking pressure maintaining mechanism is prevented from being broken when the output end of the locking pressure maintaining mechanism rotates on the first rotating disk 3, the output end of the locking pressure maintaining mechanism falls into the positioning through hole 30, the locking effect is achieved at the moment, the second rotating disk 4 is enabled to be locked with the first rotating disk 3, and the second rotating disk 4 and the first rotating disk 3 rotate at a high speed together under the driving of the rotating rod 13.
The locking pressure maintaining mechanism comprises:
a plurality of sliding columns 31 which are coaxially and slidably arranged in the second fixing groove 18;
the springs 32 are coaxially sleeved on the fixed columns 19, one end of each spring 32 is fixedly arranged at the bottom of the corresponding second fixed groove 18, and the other end of each spring 32 is fixedly arranged at one end, close to the bottom of the second fixed groove 18, of the corresponding sliding column 31;
the limiting covers 33 are coaxially and fixedly arranged at one ends of the corresponding second fixing grooves 18 close to the first rotating disc 3, and each sliding column 31 penetrates through the corresponding limiting cover 33;
and the unlocking mechanism is fixedly arranged on the working surface of the workbench 1 in a vertical state and is used for unlocking and locking the pressure maintaining mechanism so as to enable the second rotating disk 4 to rotate independently.
The sliding column 31 slides in the second fixing groove 18, when the second rotating disc 4 rotates, one end of the sliding column 31, which is close to the first rotating disc 3, slides in the second sliding groove 29, the spring 32 is in a compressed state at the moment, when the sliding column moves to the positioning through hole 30, the sliding column 31 extends out towards the first rotating disc 3 under the action of the spring 32, and the limiting cover 33 is used for limiting the extension of the sliding column 31, so that the sliding column can only extend out for a certain length and cannot extend out completely, and the sliding column is prevented from falling out of the second fixing groove 18.
The unlocking mechanism includes:
the cylinder base 34 is fixedly arranged on the working plane of the workbench 1 in a vertical state, and the cylinder base 34 and the corresponding second fixing groove 18 are coaxially arranged;
the pen-shaped air cylinder 35 is coaxially arranged on the air cylinder base 34 in a vertical state, and the output end of the pen-shaped air cylinder is vertically directed to the positioning through hole 30.
After the centrifugal casting is completed, the positioning through hole 30 is located right above the pen-shaped air cylinder 35, the output end of the pen-shaped air cylinder 35 extends towards the positioning through hole 30, abuts against one end, close to the first rotating disk 3, of the sliding column 31 and is jacked upwards, when one end, close to the rotating disk, of the sliding column 31 extends out of the positioning through hole 30, the electric push rod 23 drives the second rotating disk 4 to rotate clockwise, the sliding column 31 slides in the second sliding groove 29, the output end of the pen-shaped air cylinder 35 retracts, and the displacement length of the sliding column 31 in the second sliding groove 29 is equal to the working length of the electric push rod 23.
The mold sealing mechanism comprises:
the fixed base 36 is coaxially and fixedly arranged on one side, away from the first rotating disk 3, of the second rotating disk 4, and a limiting sliding rod 37 is processed on one side, away from the second rotating disk 4, of the fixed base 36;
the square sliding block 38 is coaxially arranged on the limiting sliding rod 37, a hollow cross beam 39 is processed on each side face of the square sliding block 38, a contraction pipe sleeve 40 is processed on one side of the square sliding block 38 away from the second rotating disk 4, an elastic contraction opening 41 capable of contracting inwards is processed at one end of the contraction pipe sleeve 40 away from the second rotating disk 4, and external threads are processed on the outer wall of one side of the contraction pipe sleeve 40 close to the second rotating disk 4;
the number of the cylindrical plugs 42 is the same as that of the hollow cross beam 39, the cylindrical plugs 42 are fixedly arranged on one side, close to the second rotating disc 4, of the hollow cross beam 39, and each cylindrical plug 42 is coaxially arranged with the pouring hole 5;
and the fixing sleeve 43 is coaxially sleeved on the shrinkage pipe sleeve 40, an internal thread corresponding to the external thread is processed on the inner wall of one side of the fixing sleeve 43 close to the square sliding block 38, and a friction part 44 for being held and rotated by a hand is processed on the outer wall of the fixing sleeve 43.
When pouring is needed, the fixing sleeve 43 is firstly twisted down from the shrinkage pipe sleeve 40, the elastic shrinkage port 41 is opened, the square sliding block 38 can slide on the limit sliding rod 37, the shrinkage pipe sleeve 40 is held by hands to lift the square sliding block 38 upwards, pouring is then carried out, the square sliding block 38 is put down after pouring is completed, each cylindrical plug 42 is completely inserted into each corresponding pouring hole 5, the pouring holes 5 are sealed, the fixing sleeve 43 is tightly twisted on the shrinkage pipe sleeve 40, the elastic shrinkage port 41 is shrunk, the inner wall of the shrinkage pipe sleeve 40 is tightly pressed on the outer wall of the limit sliding rod 37, the square sliding block 38 is fixed on the fixing base 36 and cannot move, the reason that the cross beam is hollow is to reduce the weight of the cross beam, and the friction part 44 is convenient for a user to unscrew or screw the fixing sleeve 43.
The working principle is as follows: before casting, the second rotating disc 4 is driven to rotate anticlockwise by the two electric push rods 23, the sliding column 31 slides in the first chute 20 while the second rotating disc 4 rotates, when the first half mould 6 and the second half mould 7 are closed and the sliding column 31 falls into the positioning through hole 30, the first rotating disc 3 and the second rotating disc 4 are locked, then the fixing sleeve 43 is unscrewed by a hand, the square sliding block 38 is upwards drawn out along the limiting sliding rod 37, and then each cylindrical plug 42 is driven to be drawn out from the corresponding casting hole 5, then casting is carried out, high-temperature aluminum water is simultaneously injected from each casting hole 5, the inner wall of each casting hole 5 is coated with ceramic paint which is high-temperature resistant anti-sticking paint and has the function of preventing the high-temperature aluminum water from forming sticky slag in the casting holes 5, and the time for the high-temperature aluminum water to fill the split type mould from the casting holes 5 is shorter than the solidification time of the high-temperature aluminum water, after the pouring is finished, the fixed sleeve 43 is screwed on the shrinkage pipe sleeve 40, the square sliding block 38 is fixed on the fixed base 36, at the moment, the motor 9 drives the planet carrier 12 to rotate, so as to drive the planet wheel 11 to rotate, the sun wheel 10 is driven to rotate through the rotation of the planet wheel 11, the shell 14 is fixedly arranged on the working surface of the workbench 1, so that the gear ring is fixed, at the moment, the planet gear mechanism has an acceleration effect, the rotating speed output through the rotating rod 13 is far greater than that of the motor 9, so that the first rotating disk 3 and the second rotating disk 4 rotate together at a high speed, the high-temperature aluminum water in the split type die is pressurized through the centrifugal action, the air in the high-temperature aluminum water is discharged from the air holes 8, the opening area of the air holes 8 is related to the flowing speed of the poured high-temperature aluminum water, and the high-temperature aluminum water is not discharged from the air holes 8, and the air can be discharged from the air holes 8, after the pouring is finished, the sliding column 31 is jacked up through the pen-shaped air cylinder 35, the lowest end position of the sliding column 31 is equal to the height of the bottom of the first sliding groove 20, the push rods are withdrawn by the two electric push rods 23 at the moment, the second rotating disc 4 independently rotates clockwise, the lower end of the sliding column 31 slides in the first sliding groove 20 at the moment, and when the electric push rods 23 stop working, the formed piston is taken out of the split type mold and is sent into subsequent equipment for processing.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides an aviation piston class part contour machining equipment, includes workstation (1) and is fixed supporting platform (2) that set up in workstation (1) inside of horizontality, its characterized in that still includes:
the centrifugal mechanism is fixedly arranged on a working plane of the workbench (1) and is provided with an output end used for rotation;
the first rotating disc (3) is coaxially and fixedly arranged on the output end of the centrifugal mechanism in a horizontal state;
the second rotating disc (4) is coaxially and rotatably arranged on one side, away from the working plane of the workbench (1), of the output end of the centrifugal mechanism in a horizontal state, and a plurality of pouring holes (5) are machined in the second rotating disc (4);
the number of the split molds is the same as that of the pouring holes (5), each split mold comprises a first half mold (6) and a second half mold (7), each first half mold (6) is fixedly arranged on the first rotating disc (3) in a vertical state, each second half mold (7) is fixedly arranged on the second rotating disc (4) in a vertical state, and air holes (8) are formed in the outer side wall, close to the first rotating disc (3), of each first half mold (6) and each second half mold (7);
the rotating mechanism is fixedly arranged on the first rotating disk (3) in a horizontal state and is provided with an output end, and the output end is fixedly connected to the second rotating disk (4) and used for pushing the second rotating disk (4) to rotate so as to enable the split type die to be matched;
and the mold sealing mechanism is coaxially and fixedly arranged on one side, away from the first rotating disk (3), of the second rotating disk (4) and used for sealing the pouring hole (5).
2. The forming and processing equipment for aviation piston parts according to claim 1, wherein the centrifugal mechanism comprises:
the motor (9) is fixedly arranged on the supporting platform (2) in a vertical state;
the planetary gear mechanism coaxially rotates and is arranged at the output end of the motor (9), the planetary gear mechanism comprises a sun gear (10), a plurality of planetary gears (11), a planet carrier (12), a rotary rod (13), a shell (14) and a cover body (15), each planetary gear (11) is fixedly arranged on one side, away from the motor (9), of the planet carrier (12), a vertical rod (16) is processed on one side, close to the motor (9), of the planet carrier (12), the vertical rod (16) is coaxially and fixedly arranged at the output end of the motor (9), the shell (14) is coaxial with the vertical rod (16) and is fixedly arranged on the working plane of the workbench (1), a gear ring is processed on the inner wall, away from the working plane of the workbench (1), of the shell (14), the cover body (15) is coaxially and fixedly arranged on one side, away from the workbench (1), of the rotary rod (13) is coaxially and rotatably arranged on the shell (14), the rotary rod (13) penetrates through the shell (14), the sun gear (10) is fixedly arranged on one side, close to the working plane of the workbench (1), and the planetary gear ring (11) is meshed with each planetary gear (11);
wherein a first plane bearing (45) is arranged between the planet carrier (12) and the working plane of the workbench (1), and a second plane bearing (46) is arranged between the cover body (15) and the first rotating disk (3).
3. An aviation piston type part forming and processing device as claimed in claim 1, wherein a plurality of first fixing grooves (17) and a plurality of second fixing grooves (18) are formed in one side, close to the first rotating disc (3), of the second rotating disc (4), a fixing column (19) is formed in the groove bottom of each second fixing groove (18), a first sliding groove (20) is formed in the inner wall of each second fixing groove (18), and an avoiding groove (21) is formed in the central axis of the second rotating disc (4).
4. The forming and processing equipment for aviation piston type parts according to claim 3, wherein the rotating mechanism comprises:
the two mounting racks (22) are fixedly arranged on one side, close to the second rotating disk (4), of the first rotating disk (3) in a horizontal state;
the two electric push rods (23) are fixedly arranged on the corresponding mounting frames (22) in a horizontal state;
the two transverse push rods (24) are coaxially and fixedly arranged on the output end of the electric push rod (23) in a horizontal state, and a first hinge seat (25) is machined on one side, away from the electric push rod (23), of each first push rod;
the supporting frames (26) are vertically and fixedly arranged on one side, close to the second rotating disk (4), of the first rotating disk (3) and are used for supporting the first push rod;
two fixing rods (27) coaxially and fixedly arranged in the first fixing grooves (17);
two hinged rods (28) are hinged on the first hinged seat (25) in a horizontal state, and the other ends of the two hinged rods are hinged on the fixed rod (27);
and the locking pressure maintaining mechanism is fixedly arranged in the second fixing groove (18) in a vertical state and is used for locking the second rotating disc (4) and the first rotating disc (3) after the split type die is closed, so that the second rotating disc (4) is prevented from independently rotating.
5. An aviation piston type part forming and processing device as claimed in claim 4, wherein a plurality of second sliding grooves (29) are formed in one side, away from the centrifugal mechanism, of the first rotating disc (3), and each second sliding groove (29) is provided with a positioning through hole (30) corresponding to the second fixing groove (18).
6. The forming and processing equipment for aviation piston parts according to claim 5, wherein the locking and pressure maintaining mechanism comprises:
the sliding columns (31) are coaxially and slidably arranged in the second fixing groove (18);
the springs (32) are coaxially sleeved on the fixed column (19), one end of each spring (32) is fixedly arranged at the bottom of the corresponding second fixed groove (18), and the other end of each spring is fixedly arranged at one end, close to the bottom of the second fixed groove (18), of the corresponding sliding column (31);
the limiting covers (33) are coaxially and fixedly arranged at one ends, close to the first rotating disc (3), of the corresponding second fixing grooves (18), and each sliding column (31) penetrates through the corresponding limiting cover (33);
and the unlocking mechanism is vertically and fixedly arranged on the working surface of the workbench (1) and used for unlocking and locking the pressure maintaining mechanism, so that the second rotating disk (4) can independently rotate.
7. An aviation piston type part forming and processing device as claimed in claim 6, wherein the unlocking mechanism comprises:
the cylinder base (34) is fixedly arranged on a working plane of the workbench (1) in a vertical state, and the cylinder base (34) and the corresponding second fixing groove (18) are coaxially arranged;
the pen-shaped air cylinder (35) is coaxially arranged on the air cylinder base (34) in a vertical state, and the output end of the pen-shaped air cylinder is vertically directed to the positioning through hole (30).
8. The forming and processing equipment for aviation piston parts according to claim 1, wherein the die sealing mechanism comprises:
the fixed base (36) is coaxially and fixedly arranged on one side, far away from the first rotating disk (3), of the second rotating disk (4), and a limiting sliding rod (37) is machined on one side, far away from the second rotating disk (4), of the fixed base (36);
the square sliding block (38) is coaxially arranged on the limiting sliding rod (37), a hollow cross beam (39) is processed on each side face of the square sliding block (38), a contraction pipe sleeve (40) is processed on one side, far away from the second rotating disk (4), of the square sliding block (38), an elastic contraction opening (41) capable of contracting inwards is processed at one end, far away from the second rotating disk (4), of the contraction pipe sleeve (40), and external threads are processed on the outer wall, close to the second rotating disk (4), of the contraction pipe sleeve (40);
the number of the cylindrical plugs (42) is the same as that of the hollow cross beam (39), the cylindrical plugs are fixedly arranged on one side, close to the second rotating disc (4), of the hollow cross beam (39), and each cylindrical plug (42) is coaxially arranged with the pouring hole (5);
the fixing sleeve (43) is coaxially sleeved on the shrinkage pipe sleeve (40), an internal thread corresponding to the external thread is processed on the inner wall of one side, close to the square sliding block (38), of the fixing sleeve (43), and a friction part (44) for a person to hold and rotate is processed on the outer wall of the fixing sleeve (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210831567.8A CN115255312B (en) | 2022-07-14 | 2022-07-14 | Aviation piston part forming and processing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210831567.8A CN115255312B (en) | 2022-07-14 | 2022-07-14 | Aviation piston part forming and processing equipment |
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| CN115255312A true CN115255312A (en) | 2022-11-01 |
| CN115255312B CN115255312B (en) | 2024-03-22 |
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| CN202210831567.8A Active CN115255312B (en) | 2022-07-14 | 2022-07-14 | Aviation piston part forming and processing equipment |
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| Publication number | Publication date |
|---|---|
| CN115255312B (en) | 2024-03-22 |
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