CN220805416U - Flywheel casing lost foam casting mould - Google Patents
Flywheel casing lost foam casting mould Download PDFInfo
- Publication number
- CN220805416U CN220805416U CN202420540736.7U CN202420540736U CN220805416U CN 220805416 U CN220805416 U CN 220805416U CN 202420540736 U CN202420540736 U CN 202420540736U CN 220805416 U CN220805416 U CN 220805416U
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- Prior art keywords
- die
- fixed
- lost foam
- bottom plate
- mold
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- 238000010114 lost-foam casting Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 28
- 239000000463 material Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a flywheel casing lost foam casting mold, and relates to the technical field of casting. The utility model comprises a bottom plate, a lower die and an upper die, wherein electric push rods are fixed at four corners of the top of the bottom plate, a limiting disc is fixed at the telescopic end of each electric push rod, a movable block is fixed at the top end of each limiting disc, the lower die is arranged above the bottom plate, the upper die is arranged above the lower die, a heating sleeve is fixedly penetrated at one side of the longitudinal center line of the top of the upper die, and a conveying pipe is fixedly penetrated in the heating sleeve. The utility model solves the problems of complicated replacement steps, inconvenient replacement and inconvenient structure of cleaning the ventilation of the mold of the lost foam casting mold of the flywheel shell by arranging the bottom plate, the lower mold and the upper mold, and has the advantages that: the mould is convenient to replace, and the ventilation structure of the mould is more convenient to clean.
Description
Technical Field
The utility model belongs to the technical field of casting, and particularly relates to a lost foam casting mold for flywheel shells.
Background
The flywheel housing has the functions of bearing weight, positioning the engine and the transmission and installing components in the whole vehicle, and has the main functions of realizing the effective connection of the engine and the transmission, meeting the market demand, and the flywheel housing is generally basin-shaped and has the structural characteristics of large size, 600mm maximum diameter and 300mm height. In order to ensure good stability and sealing performance of the flywheel housing in the working process, the flywheel housing has detailed technical requirements on important surfaces and holes, has a function of radiating heat and removing metal powder, is simple in structure, accommodates a clutch assembly, bears the weight of a transmission, is used as a fulcrum for power transmission, and needs to be cast and produced by adopting a lost foam casting method in the manufacturing process, and when the flywheel housing lost foam is produced, a single flywheel housing lost foam needs to be produced through a die and then enters a casting process, but the flywheel housing lost foam still has the following defects in actual use:
1. When the flywheel shell lost foam casting mold is used for manufacturing flywheel shell lost foam, the sizes and the shapes of flywheel shells used on different automobiles are different, so that different lost foam molds are needed to be adopted, the lost foam shapes of the flywheel are produced, when the mold equipment runs, the mold is replaced, a plurality of positions are needed to be installed and combined, the mold is carefully matched, the replacement steps are complicated, and the replacement is inconvenient;
2. When the flywheel casing lost foam casting mould is used for manufacturing the flywheel casing lost foam, ventilation holes are required to be formed in the mould, materials for manufacturing the lost foam can leak from the ventilation holes in the manufacturing process, ventilation positions are required to be cleaned after manufacturing is completed, the smoothness of next production is guaranteed, and the ventilation holes are inconvenient to clean during cleaning.
Disclosure of utility model
The utility model aims to provide a flywheel casing lost foam casting mold, which solves the problems of complicated replacement steps, inconvenient replacement and inconvenient structure of cleaning mold ventilation by arranging a bottom plate, a lower mold and an upper mold.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model relates to a lost foam casting mold for flywheel shells, which comprises a bottom plate, a lower mold and an upper mold, wherein electric push rods are fixed at four corners of the top of the bottom plate, limiting plates are fixed at the telescopic ends of each electric push rod, movable blocks are fixed at the top ends of each limiting plate, the lower mold is arranged above the bottom plate, the upper mold is arranged above the lower mold, a heating sleeve is fixedly penetrated at one side of the longitudinal center line of the top of the upper mold, a conveying pipe is fixedly penetrated in the heating sleeve, and when the lost foam casting mold is in operation, the upper mold is driven to ascend through the electric push rods fixed at the top of the bottom plate, the lower mold is supported on the supporting blocks at the top of the bottom plate, and after the lower mold and the upper mold are combined together, the lost foam casting mold for flywheel shells can be manufactured.
Further, screw holes are formed in the centers of the top ends of the movable blocks, screwing bolts are connected in the screw holes in a threaded mode, the movable blocks are screwed into the screw holes through the screw holes in a threaded mode, and the upper die is limited on the movable blocks.
Further, each electric putter is close to the side of bottom plate top longitudinal center line all is fixed with the supporting shoe, every the supporting shoe is all fixed at the top of bottom plate, every the top center of supporting shoe has all seted up the jack, and the supporting shoe is when carrying out work, through jack swing joint inserted bar.
Further, the four corners of the bottom of the lower die are fixed with inserting rods, the four inserting rods are respectively inserted into the insertion holes at the tops of the four supporting blocks, and when the lower die works, the lower die is inserted into the insertion holes on the supporting blocks through the inserting rods, so that the lower die is stably supported above the bottom plate.
Further, a first die opening is formed in the top of the lower die, an exhaust groove is formed in the middle of one short side of the top of the lower die, the exhaust groove is communicated with the first die opening, and after materials enter the first die opening of the lower die, air in the first die opening and air in the second die opening are exhausted through the exhaust groove.
Further, a second die opening is correspondingly formed in the bottom of the upper die and at a first die opening position, an electric control valve is fixed on the peripheral side of the conveying pipe above the upper die, movable frames are fixed at four corners of the outer side of the upper die, the movable blocks penetrate through the movable frames and are movably connected in the movable frames, the on-off of conveying of the conveying pipe is controlled through the electric control valve, and the movable blocks are movably connected in the movable frames to well limit the upper die on the limiting disc.
The utility model has the following beneficial effects:
1. According to the utility model, through arranging the bottom plate, the lower die and the upper die, the problems of complicated replacement steps and inconvenient replacement of the lost foam casting die with the flywheel shell are solved, when the lower die and the upper die are replaced, the screwing bolt is screwed down, the electric push rod is started to control the upper die to descend to the top of the lower die and to be combined with the lower die, the lower die and the upper die are lifted simultaneously by the forklift, the lower die and the upper die are taken down above the bottom plate, then the proper lower die and the upper die are selected, the lower die is installed on the supporting block on the bottom plate, the upper die is installed between the limiting disc and the screwing bolt, the work can be recovered, and the lost foam die is replaced more conveniently.
2. The utility model solves the problem of inconvenient structure of cleaning and ventilation of the lost foam casting mold of the flywheel housing by arranging the bottom plate and the lower mold, after the mold is closed with the upper mold, the first mold opening is matched with the second mold opening on the upper mold to provide a space for molding the lost foam of the flywheel housing, the first mold opening discharges air in the first mold opening and the second mold opening in the lost foam manufacturing process through the exhaust groove, after the manufacturing is completed, the upper mold is lifted, the exhaust groove is exposed, the exhaust groove is directly cleaned, and the structure of cleaning and ventilation of the lost foam casting mold of the flywheel housing is more convenient.
Drawings
FIG. 1 is a perspective view of an assembly structure of a lost foam casting mold for flywheel shells;
FIG. 2 is a perspective view of a base plate structure;
FIG. 3 is a perspective view of the lower die structure;
FIG. 4 is a perspective view of the upper die structure;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a bottom perspective view of the upper die;
Fig. 7 is a perspective view of the lost foam structure of the flywheel housing after molding.
Reference numerals:
1. A bottom plate; 101. a support block; 102. a jack; 103. an electric push rod; 104. a limiting disc; 105. a movable block; 106. a screw hole; 107. screwing the bolt; 2. a lower die; 201. a first die opening; 202. an exhaust groove; 203. a rod; 3. an upper die; 301. a material conveying pipe; 302. a heating jacket; 303. an electric control valve; 304. a second die opening; 305. a movable frame.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-7, the utility model discloses a lost foam casting mold for flywheel shells, which comprises a bottom plate 1, a lower mold 2 and an upper mold 3, wherein electric push rods 103 are fixed at four corners of the top of the bottom plate 1, the bottom plate 1 supports the lower mold 2 and the upper mold 3 on the bottom plate, the lower mold 2 is supported on the ground through the bottom plate 1, the electric push rods 103 work to drive the upper mold 3 to lift above the lower mold 2, a limiting disc 104 is fixed at the telescopic end of each electric push rod 103, a movable frame 305 is supported on the limiting disc 104, a movable block 105 is fixed at the top end of each limiting disc 104, the movable block 105 is movably connected in the movable frame 305 during operation, so that the upper mold 3 is limited above the movable block 105, the lower mold 2 is arranged above the bottom plate 1, the lower mold 2 provides the lower molding function of the lost foam of the flywheel shells during operation, the upper mold 3 and the lower mold 2 are combined together, a heating center line of the upper mold 3 penetrates through a heating sleeve 302, a heating center line of the top of the upper mold 3 is penetrated into a heating sleeve 302, the heating center line of the lost foam is penetrated through the heating sleeve 302, and the lost foam is communicated with a material conveying sleeve 301, and a material conveying pipe is conveyed into the lost foam, and a material conveying sleeve is conveyed into the lost foam, and a material is conveyed by the heating sleeve 301, and a material is conveyed by the lost foam, and a material is conveyed by a material through a material conveying pipe and a material.
As shown in fig. 1 and 2, a screw hole 106 is formed in the center of the top end of each movable block 105, a screwing bolt 107 is screwed in the screw hole 106, and the movable blocks 105 are screwed with the screwing bolt 107 through the screw holes 106.
As shown in fig. 1 and 2, a supporting block 101 is fixed on one side of each electric push rod 103 near the longitudinal center line of the top of the bottom plate 1, each supporting block 101 is fixed on the top of the bottom plate 1, a jack 102 is formed in the center of the top of each supporting block 101, and the supporting blocks 101 are movably connected with the inserting rod 203 through the jack 102.
As shown in fig. 1-3, insert rods 203 are fixed at four corners of the bottom of the lower die 2, the four insert rods 203 are respectively inserted into insertion holes 102 at the tops of the four supporting blocks 101, and the lower die 2 is stably arranged above the bottom plate 1 by respectively inserting the four insert rods 203 into the insertion holes 102 on the four supporting blocks 101.
As shown in fig. 1 and 3, a first die opening 201 is formed in the top of the lower die 2, an exhaust groove 202 is formed in the middle of one short side of the top of the lower die 2, the exhaust groove 202 is communicated with the first die opening 201, after the lower die 2 is closed with the upper die 3, a space for forming the lost foam of the flywheel shell is provided by matching the first die opening 201 with a second die opening 304 on the upper die 3, and air in the first die opening 201 and the second die opening 304 is discharged in the lost foam manufacturing process by the first die opening 201 through the exhaust groove 202, and after the manufacturing is completed, the upper die 3 rises, the exhaust groove 202 is exposed, and the exhaust groove 202 is cleaned directly.
As shown in fig. 1-6, a second die opening 304 is formed at the bottom of the upper die 3 corresponding to the first die opening 201, an electric control valve 303 is fixed on the peripheral side of a material conveying pipe 301 above the upper die 3, movable frames 305 are fixed at four corners of the outer side of the upper die 3, the movable blocks 105 are connected in the movable frames 305 in a penetrating and movable manner, the material conveying pipe 301 is controlled to be on-off by the electric control valve 303, and the upper die 3 is connected to the outer side of the movable blocks 105 in a movable manner by the movable frames 305, so that the upper die 3 is supported on the limiting disc 104.
The specific working principle of the utility model is as follows: during operation, firstly, the shape of a formed flywheel shell lost foam is determined, a lower die 2 and an upper die 3 for forming the flywheel shell lost foam are selected, four inserting rods 203 at the bottom of the lower die 2 are aligned with inserting holes 102 on four supporting blocks 101 at the top of a bottom plate 1, the four inserting rods 203 at the bottom of the lower die 2 are inserted into the inserting holes 102, so that the lower die 2 is supported on the supporting blocks 101, then an electric push rod 103 is started to control a limit disc 104 to descend, after the limit disc 104 descends, four movable frames 305 at the outer side of the upper die 3 are aligned with the movable blocks 105, the four movable frames 305 are respectively sleeved on the four movable blocks 105, so that the upper die 3 is respectively supported through four limit discs 104, then a screwing bolt 107 is aligned with screw holes 106 on the movable blocks 105, the screwing bolt 107 is screwed into the screw holes 106, so that the upper die 3 is installed between the screwing bolt 107 and the limit disc 104, and when the flywheel shell lost foam needs to be produced, starting the electric push rod 103, driving the upper die 3 to descend to be completely attached to the lower die 2, opening the electric control valve 303, conveying the material for manufacturing the flywheel shell lost foam into a second die port 304 at the bottom of the upper die 3 by a conveying pipe 301, feeding the material into a first die port 201 at the top of the lower die 2, discharging air in the first die port 201 and the second die port 304 through an exhaust groove 202 until a trace amount of material for manufacturing the lost foam is discharged in the exhaust groove 202, closing the electric control valve 303, waiting for the material in the first die port 201 and the second die port 304 to solidify into the flywheel shell lost foam, immediately restarting the electric push rod 103, driving the upper die 3 to ascend to leave the lower die 2, taking the lost foam formed on the lower die 2, completing manufacturing the flywheel shell lost foam, screwing down a bolt 107 when the lower die 2 and the upper die 3 are replaced, restarting the electric push rod 103 to control the upper die 3 to descend to the top of the lower die 2 to be combined with the lower die 2, and lifting the lower die 2 and the upper die 3 by a forklift, taking down the lower die 2 and the upper die 3 above the bottom plate 1, selecting the proper lower die 2 and the proper upper die 3, and repeating the installation operation.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (6)
1. Flywheel shell lost foam casting mould, including bottom plate (1), lower mould (2) and last mould (3), its characterized in that: four corners at bottom plate (1) top all are fixed with electric putter (103), every electric putter (103) flexible end all is fixed with spacing dish (104), every the top of spacing dish (104) all is fixed with movable block (105), bottom plate (1) top is provided with lower mould (2), the top of lower mould (2) is provided with mould (3), the longitudinal centerline one side at last mould (3) top link up and is fixed with heating jacket (302), link up in heating jacket (302) and be fixed with conveying pipeline (301).
2. The flywheel casing lost foam casting mold of claim 1, wherein: screw holes (106) are formed in the center of the top end of each movable block (105), and screwing bolts (107) are connected in the screw holes (106) in a threaded mode.
3. The flywheel casing lost foam casting mold of claim 1, wherein: each electric push rod (103) is fixed with a supporting block (101) on one side close to the longitudinal center line of the top of the bottom plate (1), each supporting block (101) is fixed on the top of the bottom plate (1), and a jack (102) is formed in the center of the top of each supporting block (101).
4. A flywheel casing lost foam casting mold as defined in claim 3, wherein: the four corners of the bottom of the lower die (2) are respectively fixed with inserting rods (203), and the four inserting rods (203) are respectively inserted into inserting holes (102) at the tops of the four supporting blocks (101).
5. The flywheel casing lost foam casting mold of claim 1, wherein: the top of the lower die (2) is provided with a first die opening (201), the middle of one short side of the top of the lower die (2) is provided with an exhaust groove (202), and the exhaust groove (202) is communicated with the first die opening (201).
6. The flywheel casing lost foam casting mold of claim 1, wherein: the bottom of the upper die (3) is provided with a second die opening (304) corresponding to the first die opening (201), an electric control valve (303) is fixed on the peripheral side of a conveying pipe (301) above the upper die (3), movable frames (305) are fixed at four corners on the outer side of the upper die (3), and the movable blocks (105) are connected in the movable frames (305) in a penetrating and movable mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420540736.7U CN220805416U (en) | 2024-03-20 | 2024-03-20 | Flywheel casing lost foam casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420540736.7U CN220805416U (en) | 2024-03-20 | 2024-03-20 | Flywheel casing lost foam casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220805416U true CN220805416U (en) | 2024-04-19 |
Family
ID=90710702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420540736.7U Active CN220805416U (en) | 2024-03-20 | 2024-03-20 | Flywheel casing lost foam casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220805416U (en) |
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2024
- 2024-03-20 CN CN202420540736.7U patent/CN220805416U/en active Active
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