CN219665103U - Casting device of double-layer blade impeller - Google Patents
Casting device of double-layer blade impeller Download PDFInfo
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- CN219665103U CN219665103U CN202321238766.4U CN202321238766U CN219665103U CN 219665103 U CN219665103 U CN 219665103U CN 202321238766 U CN202321238766 U CN 202321238766U CN 219665103 U CN219665103 U CN 219665103U
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- 238000005266 casting Methods 0.000 title claims abstract description 41
- 239000011796 hollow space material Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a casting device of a double-layer blade impeller, which comprises a device box, wherein a liftable mould closing cover is arranged above the device box, a mould closing assembly is arranged on the device box, a lower mould groove is fixed in the middle of the upper side of the device box, an upper mould groove is fixed in the middle of the lower side of the mould closing cover, a middle mould groove is arranged between the lower mould groove and the upper mould groove, the middle mould groove is divided into at least four sub-templates on average, the mould closing assembly is connected with each sub-template, the middle mould groove is divided into at least four sub-templates on average, each sub-template is clamped with the lower mould groove before casting, then the upper mould groove is clamped with the middle mould groove, an upper and lower double-layer blade casting space can be formed, the middle parts of the two casting spaces are mutually communicated, the integral casting is facilitated, the lower mould groove, the upper mould groove and the middle mould groove are reversely demoulded after casting is finished, and the double-layer blade impeller can be formed by one-time casting, and the forming quality of the double-layer blade impeller is greatly improved.
Description
Technical Field
The utility model relates to the technical field of casting, in particular to a casting device of a double-layer blade impeller.
Background
The impeller is not only a wheel disc provided with a movable vane, but also a general term of the wheel disc and a rotating vane arranged on the wheel disc, the impeller is composed of a hub, a vane and a cover plate, the cover plate at the inlet side of the impeller is called a front cover plate, the cover plate at the other side of the impeller is called a rear cover plate, the impeller can be classified according to the shape and the opening and closing condition, the impeller can be made of cast iron, cast steel, stainless steel, glass fiber reinforced plastic, plastic and other materials according to the application requirement, the impeller processing method comprises sand casting, precision casting, welding, mould pressing and the like, and the size, shape and manufacturing precision of the impeller have great influence on the performance;
the casting technique of traditional impeller adopts the form drawing of patterns of upper mould, lower mould components of a whole that can function independently, adopts above-mentioned technique then unable drawing of patterns to double-deck blade impeller, has to adopt assembled structure to produce, and assembled double-deck blade impeller's wholeness is poor, leads to its atress inhomogeneous, has seriously reduced double-deck blade impeller's intensity, for this the utility model provides a double-deck blade impeller's casting device is used for solving above-mentioned problem.
Disclosure of Invention
The utility model provides a casting device of a double-layer blade impeller, which solves the technical problem that the casting of the double-layer blade impeller cannot be realized in the prior art.
In order to solve the technical problems, the casting device of the double-layer blade impeller comprises an equipment box, wherein a lifting die clamping cover is arranged above the equipment box, a die clamping assembly is arranged on the equipment box, a lower die groove is fixed in the middle of the upper side of the equipment box, an upper die groove is fixed in the middle of the lower side of the die clamping cover, a middle die groove is arranged between the lower die groove and the upper die groove, the middle die groove is divided into at least four sub-templates on average, and the die clamping assembly is connected with each sub-template.
Preferably, the compound die assembly comprises a central shaft which is rotationally connected between the upper side wall and the lower side wall of the equipment box, a driving plate is fixedly sleeved on the outer wall of the top end of the central shaft, four inclined grooves are formed in the driving plate at equal intervals, sliding rods are embedded in the inclined grooves in a sliding mode, pushing plates are fixed on the top ends of the sliding rods, and the pushing plates are fixed with adjacent sub-templates through connecting rods.
Preferably, the die assembly further comprises a driving motor fixed on the bottom wall of the equipment box, a driving gear is fixed on an output shaft of the driving motor, a driven gear is connected with the driving gear in a meshed mode, and the driven gear is fixedly sleeved on the outer wall of the bottom end of the central shaft.
Preferably, hydraulic cylinders are fixed at four corners of the equipment box, mold closing covers are fixed between four output ends of the hydraulic cylinders, straight grooves are formed in the upper side of the equipment box corresponding to the moving paths of the sliding rods, and notches are formed in two sides of the sliding rods corresponding to the straight grooves.
Preferably, a hollow space for casting the double-layer blade impeller is formed among the lower die groove, the upper die groove and the middle die groove, and the top wall of the upper die groove is provided with a pouring gate and an exhaust port.
Preferably, the upper side and the lower side of the middle die groove are respectively matched with the structures of the upper die groove and the lower die groove, and a through hole is arranged in the center of the middle die groove.
Compared with the related art, the casting device of the double-layer blade impeller has the following beneficial effects:
according to the casting device for the double-layer blade impeller, the middle die groove is divided into at least four sub-die plates on average, each sub-die plate is matched with the lower die groove before casting, then the upper die groove is matched with the middle die groove, an upper-layer and lower-layer blade casting space can be formed, the middle parts of the two casting spaces are communicated with each other, integral casting is facilitated, after casting is completed, the lower die groove, the upper die groove and the middle die groove are reversely demoulded, and the double-layer blade impeller can be formed through one-time casting, so that the forming quality of the double-layer blade impeller is greatly improved.
Drawings
FIG. 1 is a perspective view of a casting device of a double-layer vane impeller of the present utility model;
FIG. 2 is a side cross-sectional view of a casting apparatus of a double-bladed impeller of the present utility model;
FIG. 3 is a top cross-sectional view of a casting apparatus of a double-bladed impeller of the present utility model;
fig. 4 is an enlarged view of the structure a in fig. 1 of a casting device of a double-layer vane impeller according to the present utility model.
Reference numerals in the drawings: 1. an equipment box; 11. a hydraulic cylinder; 12. a straight groove; 2. closing the mold cover; 3. a mold assembly; 31. a central shaft; 32. a driving plate; 33. a chute; 34. a slide bar; 35. a push plate; 36. a connecting rod; 37. a driving motor; 38. a drive gear; 39. a driven gear; 4. a lower die cavity; 5. an upper die cavity; 6. a middle die groove; 61. dividing templates; 62. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: the utility model provides a casting device of a double-layer blade impeller, which comprises a device box 1, wherein a liftable die clamping cover 2 is arranged above the device box 1, an upper die groove 5 is fixed in the middle of the lower side of the die clamping cover 2, a lower die groove 4 is fixed in the middle of the upper side of the device box 1, a middle die groove 6 is arranged between the lower die groove 4 and the upper die groove 5, hydraulic cylinders 11 are fixed at four corners of the device box 1, the die clamping cover 2 is fixed between the output ends of the four hydraulic cylinders 11, straight grooves 12 are respectively arranged on the upper side of the device box 1 corresponding to the moving path of a slide bar 34, and notches are respectively arranged on two sides of the slide bar 34 corresponding to the straight grooves 12;
specifically, the hydraulic cylinders 11 are synchronously shortened, the die clamping cover 2 drives the upper die groove 5 to descend and be attached to the upper wall of the middle die groove 6, otherwise, the hydraulic cylinders 11 are synchronously lengthened, and the upper die groove 5 and the middle die groove 6 are separated;
specifically, the notch is generally horseshoe-shaped, and the thickness of the notch is consistent with the thickness of the straight slot 12, so that the slide rod 34 can only slide linearly along the straight slot 12.
Further, a hollow space for casting the double-layer blade impeller is formed among the lower die groove 4, the upper die groove 5 and the middle die groove 6, and a pouring gate and an exhaust port are arranged on the top wall of the upper die groove 5;
specifically, the molten metal is injected into the hollow space from the pouring opening, and air in the hollow space is discharged from the exhaust port, so that the integrity of the casting is ensured.
Further, a mold clamping assembly 3 is mounted on the equipment box 1, the mold clamping assembly 3 comprises a central shaft 31 rotatably connected between the upper side wall and the lower side wall of the equipment box 1, a driving plate 32 is fixedly sleeved on the outer wall of the top end of the central shaft 31, four inclined grooves 33 are equidistantly formed in the driving plate 32, slide bars 34 are respectively and slidably embedded in the inclined grooves 33, push plates 35 are respectively and fixedly arranged at the top ends of the slide bars 34, and the push plates 35 are respectively and fixedly connected with adjacent mold separating plates 61 through connecting rods 36;
specifically, the central shaft 31 and the driving plate 32 rotate, the chute 33 presses the slide bar 34, so that the slide bar 34 and the pushing plate 35 linearly move along the straight groove 12, the four sub-templates 61 approach each other to form the middle mold groove 6 which is attached to the lower mold groove 4, whereas the central shaft 31 is reversed, and the sub-templates 61 are separated from each other.
Further, the mold clamping assembly 3 further comprises a driving motor 37 fixed on the bottom wall of the equipment box 1, a driving gear 38 is fixed on an output shaft of the driving motor 37, a driven gear 39 is connected with the driving gear 38 in a meshed manner, and the driven gear 39 is fixedly sleeved on the outer wall of the bottom end of the central shaft 31;
specifically, the driving motor 37 drives the driving gear 38 to rotate, the driving gear 38 engages with the driving driven gear 39, the driven gear 39 drives the central shaft 31 to rotate, and preferably, the output speed can be controlled by adjusting the diameter ratio of the driving gear 38 and the driven gear 39.
Further, the middle die groove 6 is divided into at least four sub-templates 61 on average, the die assembly 3 is connected with each sub-template 61, the upper side and the lower side of the middle die groove 6 are respectively matched with the structures of the upper die groove 5 and the lower die groove 4, and a through hole 62 is arranged in the center of the middle die groove 6;
specifically, the through holes 62 are used for casting to form a wheel axle, alternatively, the structural designs of the upper side and the lower side of the middle die groove 6 can be flat plate structures for separating, and can also be adjusted according to the fan blade distribution condition of the upper die groove 5 and the lower die groove 4, so that the demolding process can be smoothly performed.
Working principle: when the device is used, the driving motor 37 drives the driving gear 38 to rotate, the driving gear 38 is meshed with the driven gear 39, the driven gear 39 drives the central shaft 31 and the driving plate 32 to rotate, the chute 33 extrudes the slide rod 34, the slide rod 34 and the pushing plate 35 move linearly along the straight groove 12, the four parting plates 61 are mutually close to each other to form the middle mold groove 6 which is jointed with the lower mold groove 4, then the four hydraulic cylinders 11 are synchronously shortened, the mold closing cover 2 drives the upper mold groove 5 to descend and joint with the upper wall of the middle mold groove 6, a hollow space for casting the double-layer blade impeller can be formed, molten metal is injected into the hollow space from the pouring opening, and after the molten metal is cooled and molded, the hydraulic cylinders 11 and the driving motor 37 reversely run, so that the demolding operation can be realized.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a casting device of double-deck blade impeller, includes equipment box (1), its characterized in that, equipment box (1) top is provided with compound die lid (2) of liftable, install compound die subassembly (3) on equipment box (1), wherein, equipment box (1) upside middle part is fixed with lower die groove (4), compound die lid (2) downside middle part is fixed with die groove (5), be provided with well die groove (6) between lower die groove (4), upper die groove (5), well die groove (6) are divided into at least four piece sub-templates (61) by the average, just compound die subassembly (3) are connected with each sub-template (61).
2. The casting device of a double-layer vane impeller of claim 1, wherein: the die assembly (3) comprises a central shaft (31) which is rotationally connected between the upper side wall and the lower side wall of the equipment box (1), a driving plate (32) is fixedly sleeved on the outer wall of the top end of the central shaft (31), four inclined grooves (33) are formed in the driving plate (32) at equal intervals, sliding rods (34) are respectively and slidably embedded in the inclined grooves (33), pushing plates (35) are respectively and fixedly arranged at the top ends of the sliding rods (34), and the pushing plates (35) are respectively and fixedly connected with adjacent die separating plates (61) through connecting rods (36).
3. A casting apparatus for a double-bladed impeller according to claim 2, wherein: the mold clamping assembly (3) further comprises a driving motor (37) fixed on the bottom wall of the equipment box (1), a driving gear (38) is fixed on an output shaft of the driving motor (37), a driven gear (39) is connected with the driving gear (38) in a meshed mode, and the driven gear (39) is fixedly sleeved on the outer wall of the bottom end of the central shaft (31).
4. A casting apparatus for a double-bladed impeller according to claim 2, wherein: the four corners of the equipment box (1) are respectively fixed with a hydraulic cylinder (11), a mold clamping cover (2) is fixed between the output ends of the four hydraulic cylinders (11), straight grooves (12) are respectively formed in the upper side of the equipment box (1) corresponding to the moving path of the sliding rod (34), and notches are respectively formed in the two sides of the sliding rod (34) corresponding to the straight grooves (12).
5. The casting device of a double-layer vane impeller of claim 1, wherein: the lower die groove (4), the upper die groove (5) and the middle die groove (6) form a hollow space for casting the double-layer blade impeller together, and a pouring gate and an exhaust port are arranged on the top wall of the upper die groove (5).
6. The casting device of a double-layer vane impeller of claim 1, wherein: the upper side and the lower side of the middle die groove (6) are respectively matched with the structures of the upper die groove (5) and the lower die groove (4), and a through hole (62) is formed in the center of the middle die groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238766.4U CN219665103U (en) | 2023-05-18 | 2023-05-18 | Casting device of double-layer blade impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238766.4U CN219665103U (en) | 2023-05-18 | 2023-05-18 | Casting device of double-layer blade impeller |
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| Publication Number | Publication Date |
|---|---|
| CN219665103U true CN219665103U (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238766.4U Active CN219665103U (en) | 2023-05-18 | 2023-05-18 | Casting device of double-layer blade impeller |
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| CN (1) | CN219665103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119878588A (en) * | 2025-03-27 | 2025-04-25 | 杭州祥盛机械铸造有限公司 | Pump impeller structure |
-
2023
- 2023-05-18 CN CN202321238766.4U patent/CN219665103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119878588A (en) * | 2025-03-27 | 2025-04-25 | 杭州祥盛机械铸造有限公司 | Pump impeller structure |
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