CN216938280U - Wax mold forming die of impeller casting - Google Patents
Wax mold forming die of impeller casting Download PDFInfo
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- CN216938280U CN216938280U CN202220237925.8U CN202220237925U CN216938280U CN 216938280 U CN216938280 U CN 216938280U CN 202220237925 U CN202220237925 U CN 202220237925U CN 216938280 U CN216938280 U CN 216938280U
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- stripping
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- jacking
- lower mould
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Abstract
A wax mold forming die for impeller castings belongs to the technical field of wax mold forming dies. The method is characterized in that: go up mould (4) and set up the upside in lower mould (2), and form the die cavity between last mould (4) and lower mould (2), be provided with pattern drawing portion and jacking portion on the pattern drawing device, pattern drawing portion slidable passes and stretches into in the die cavity behind lower mould (2), relative sliding sets up between pattern drawing portion and lower mould (2), pattern drawing portion is provided with a plurality of side by side and the interval, jacking portion slidable passes and supports after lower mould (2) and go up mould (4) bottom, jacking portion is provided with a plurality of. According to the stripping device, the stripping part pushes the poured wax molds to move out of the mold cavity, and the jacking part pushes the upper mold to move upwards, so that automatic stripping is realized, the stripping parts are arranged side by side at intervals, the problem that the wax molds are damaged due to uneven stress in the stripping process is solved, the qualified rate of the wax molds is improved, and the production efficiency of the wax molds is greatly improved.
Description
Technical Field
A wax mold forming die for impeller castings belongs to the technical field of wax mold forming dies.
Background
Lost foam casting (also called solid casting) is a novel casting method which comprises the steps of bonding and combining paraffin or foam models with similar sizes and shapes to form a model cluster, coating refractory paint on the model cluster, drying the model cluster, burying the model cluster in dry quartz sand for vibration modeling, pouring under negative pressure to gasify the model, enabling liquid metal to occupy the position of the model, solidifying and cooling the model cluster to form a casting.
When the impeller adopts the lost foam casting process, the wax mold for the impeller needs to be realized through the forming mold, but the wax mold is difficult to strip due to the complex structure of the wax mold, so that the problem of wax mold damage is easily caused during stripping, the qualified rate of the wax mold is low, and the production efficiency of the wax mold is low.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the defect of the prior art is overcome, the wax pattern forming die for the impeller casting is convenient for stripping the wax pattern and improves the production efficiency of the wax pattern.
The technical scheme adopted by the utility model for solving the technical problems is as follows: this wax matrix forming die of impeller foundry goods, its characterized in that: including the lower mould, go up mould and stripping attachment, go up the mould setting in the upside of lower mould to form the die cavity between last mould and lower mould, last mould portion and the jacking portion of having been provided with of stripping attachment, in the mould cavity is stretched into after the stripping portion slidable passes the lower mould, relative sliding sets up between stripping portion and the lower mould, stripping portion is provided with a plurality of side by side and the interval, jacking portion slidable passes the lower mould after the support is in last mould bottom, jacking portion is provided with a plurality of.
Preferably, the stripping device comprises a stripping cylinder and a lifting plate, the lifting plate is arranged on the lower side of the lower die, a piston rod of the stripping cylinder is connected with the lifting plate, and the stripping part and the jacking part are both arranged on the lifting plate. The lifter plate sets up the downside at the lower mould, and mould portion and jacking portion all set up on the lifter plate, have made things convenient for the installation of mould portion and jacking portion.
Preferably, the two stripping cylinders are arranged on two sides of the lifting plate, and piston rods of the two stripping cylinders are connected with the lifting plate simultaneously. The stripping cylinder has two that set up in the lifter plate both sides, can guarantee the lifter plate straight line and go up and down, and then guarantee that the stripping is stable.
Preferably, the stripping part comprises a stripping rod, the stripping rod is arranged on the stripping device, and the upper end of the stripping rod can slidably penetrate through the lower die and then extend into the die cavity.
Preferably, the jacking portion comprises a jacking rod, the jacking rod is mounted on the mold stripping device, the upper end of the jacking rod penetrates through the lower mold in a sliding mode, and the upper end of the jacking rod is supported at the bottom of the upper mold.
Preferably, the die further comprises a positioning device arranged between the upper die and the lower die.
Preferably, the positioning device comprises a positioning column arranged on the lower die and a positioning hole arranged on the upper die, and the positioning column can slidably extend into the positioning hole. The positioning between the upper die and the lower die is realized through the positioning columns and the positioning holes, and the die assembly between the upper die and the lower die is convenient.
Preferably, the die further comprises a die frame, and the lower die is arranged on the upper side of the die frame.
Compared with the prior art, the utility model has the beneficial effects that:
this wax matrix forming die's of impeller foundry goods drawing device promotes the wax matrix after pouring through drawing portion and is moved out by the die cavity is interior, and the mould upward movement is gone up in the promotion of jacking portion simultaneously, has realized automatic drawing, and drawing portion is provided with a plurality of side by side and interval, avoids appearing the problem that the wax matrix damaged because the atress is uneven at drawing in-process, has improved the qualification rate of wax matrix to the production efficiency of wax matrix has been improved greatly.
Drawings
Fig. 1 is a perspective view of a wax mold forming mold for an impeller casting.
Fig. 2 is a schematic perspective view of the wax mold forming mold for the impeller casting with the upper mold removed.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a perspective view of the upper mold.
Fig. 5 is a partially enlarged view of B in fig. 4.
In the figure: 1. the die carrier 2, lower mould 201, low recess 3, pour mouthful 4, go up mould 401, locating hole 402, upper groove 5, lifter plate 6, mounting bracket 7, connecting plate 8, drawing cylinder 9, support column 10, jacking rod 11, drawing rod 12, reference column.
Detailed Description
The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.
Fig. 1 to 5 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 5.
The utility model provides a wax matrix forming die of impeller foundry goods, including lower mould 2, go up mould 4 and stripping attachment, it sets up the upside at lower mould 2 to go up mould 4, and form the die cavity between last mould 4 and lower mould 2, the last mould portion and the jacking portion of being provided with of stripping attachment, stripping portion slidable passes and stretches into in the die cavity behind the lower mould 2, relative slip sets up between mould portion and the lower mould 2, stripping portion is provided with a plurality of side by side and the interval, jacking portion slidable passes and supports 4 bottoms on last mould behind the lower mould 2, jacking portion is provided with a plurality of. This wax matrix forming die's of impeller foundry goods drawing device promotes the wax matrix after pouring through drawing portion and is moved out by the die cavity in, and 4 upward movements on the promotion of jacking portion simultaneously have realized automatic drawing, and drawing portion is provided with a plurality of side by side and the interval, avoids appearing the problem that the wax matrix damaged because the atress is uneven at drawing in-process, has improved the qualification rate of wax matrix to the production efficiency of wax matrix has been improved greatly.
Specifically, the method comprises the following steps: as shown in FIGS. 1 to 3: this wax matrix forming die of impeller foundry goods still includes die carrier 1, support column 9 and positioner, and die carrier 1 sets up the downside of lower mould 2, and die carrier 1 is opening cell type up, and two tip at die carrier 1 are all supported to the both sides of lower mould 2.
The stripping device comprises a lifting plate 5 and stripping cylinders 8, the lifting plate 5 is arranged on the lower side of the lower die 2, the lifting plate 5 is located in the die carrier 1, the stripping cylinders 8 are symmetrically arranged on two sides of the die carrier 1, the stripping cylinders 8 are arranged at the opening ends of the die carrier 1, the stripping cylinders 8 are vertically arranged, the stripping cylinders 8 are all arranged on the lower die 2, and piston rods of the stripping cylinders 8 are respectively connected with corresponding sides of the lifting plate 5 to realize the lifting of the lifting plate 5.
The middle part at die carrier 1 is installed to support column 9, and the top of support column 9 and the bottom fixed connection of lower mould 2, the bottom slidable of support column 9 pass behind lifter plate 5 with die carrier 1 fixed connection, and support column 9 has the symmetry to set up two in die carrier 1 both sides to support lower mould 2, guarantee to the support of lower mould 2 reliably.
The stripping part comprises a stripping rod 10, the stripping rod 10 is vertically arranged, the lower end of the stripping rod 10 is fixedly connected with the lifting plate 5, the upper end of the stripping rod can slide to penetrate through the lower die 2 and then extend into the die cavity, the stripping rod 10 is arranged side by side and at intervals, and the stripping rod 10 and the lower die 2 are oppositely sealed and arranged, so that a wax die in the lower die 2 can be ejected out, and stripping is convenient.
Jacking portion includes jacking rod 10, and the vertical setting of jacking rod 10, the lower extreme and the lifter plate 5 fixed connection of jacking rod 10, upper end slidable pass support behind lower mould 2 in the bottom of last mould 4, jacking rod 10 is provided with four to can push up mould 4 from lower mould 2, cause the hindrance in order to avoid the drawing of patterns to the wax matrix.
A pouring opening 3 is formed between the upper die 4 and the lower die 2, and the pouring opening 3 is communicated with a die cavity between the lower die 2 and the upper die 4. The top of the lower die 2 is provided with a lower groove 201 communicated with the die cavity.
The positioning device comprises a positioning column 12 arranged at the top of the lower die 2 and a positioning hole 401 arranged on the upper die 4, wherein the positioning column 12 is vertically arranged, the positioning column 12 is provided with three parts surrounding a die cavity, and the top of the positioning column 12 protrudes out of the top of the lower die 2.
As shown in FIGS. 4-5: the bottom of the upper die 4 is provided with an upper groove 402 communicated with the die cavity, and when the upper die 4 and the lower die 2 are closed, the upper groove 402 and the lower groove 201 surround the pouring opening 3.
The vertical setting of locating hole 401 is on last mould 4, and locating hole 401 runs through last mould 4 and sets up, and locating hole 401 and reference column 12 one-to-one, the upper portion slidable of reference column 12 stretch into corresponding locating hole 401 in to the location of mould 4 and lower mould 2 is gone up in the realization, makes the location of going up mould 4 and lower mould 2 more reliable.
This wax matrix forming die of impeller foundry goods is after the compound die, goes up through bolted connection between mould 4 and the lower mould 2, then pours fused paraffin through pouring mouth 3 to going up between mould 4 and the lower mould 2, treats that the wax matrix solidifies the back, has realized the drawing of patterns through drawing die cylinder 8.
8 synchronization motion of stripping cylinder of both sides to drive lifter plate 5 and rise, lifter plate 5 drives lifter bar 10 and ejector bar 11 and rises, and mould 4 upward movement in the promotion of lifter bar 10, and with the separation of lower mould 2, ejector bar 11 promotes wax matrix upward movement, and realizes the stripping, has realized automatic stripping, and the wax matrix atress is uneven when can avoiding the drawing of patterns and causes the wax matrix to damage, the qualification rate of wax matrix is high, the production efficiency of wax matrix is fast.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a wax matrix forming die of impeller foundry goods which characterized in that: including lower mould (2), go up mould (4) and stripping attachment, it sets up the upside in lower mould (2) to go up mould (4), and form the die cavity between last mould (4) and lower mould (2), be provided with lift portion and jacking portion on the stripping attachment, lift portion slidable passes and stretches into in the die cavity behind lower mould (2), relative slip sets up between lift portion and lower mould (2), lift portion is provided with a plurality of side by side and the interval, jacking portion slidable passes and supports in last mould (4) bottom behind lower mould (2), jacking portion is provided with a plurality of.
2. The wax pattern forming die for impeller castings according to claim 1, characterized in that: the stripping device comprises a stripping cylinder (8) and a lifting plate (5), wherein the lifting plate (5) is arranged on the lower side of the lower die (2), a piston rod of the stripping cylinder (8) is connected with the lifting plate (5), and the stripping part and the jacking part are both installed on the lifting plate (5).
3. The wax pattern forming die for impeller castings according to claim 2, characterized in that: the two stripping cylinders (8) are arranged on two sides of the lifting plate (5), and piston rods of the two stripping cylinders (8) are connected with the lifting plate (5) simultaneously.
4. The wax pattern forming die for impeller castings according to claim 1 or 2, characterized in that: the stripping part comprises a stripping rod (11), the stripping rod (11) is installed on a stripping device, and the upper end of the stripping rod (11) can slidably penetrate through the lower die (2) and then extend into the die cavity.
5. The wax pattern forming die for impeller castings according to claim 1 or 2, characterized in that: the jacking portion comprises a jacking rod (10), the jacking rod (10) is installed on the mold stripping device, the upper end of the jacking rod (10) can slidably penetrate through the lower mold (2), and the upper end of the jacking rod (10) is supported at the bottom of the upper mold (4).
6. The wax pattern forming die for impeller castings according to claim 1, characterized in that: the device also comprises a positioning device arranged between the upper die (4) and the lower die (2).
7. The wax pattern forming die for impeller castings according to claim 6, characterized in that: the positioning device comprises a positioning column (12) arranged on the lower die (2) and a positioning hole (401) arranged on the upper die (4), and the positioning column (12) can slidably extend into the positioning hole (401).
8. The wax pattern forming die for impeller castings according to claim 1, characterized in that: the die set further comprises a die set (1), and the lower die (2) is arranged on the upper side of the die set (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237925.8U CN216938280U (en) | 2022-01-28 | 2022-01-28 | Wax mold forming die of impeller casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237925.8U CN216938280U (en) | 2022-01-28 | 2022-01-28 | Wax mold forming die of impeller casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216938280U true CN216938280U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220237925.8U Active CN216938280U (en) | 2022-01-28 | 2022-01-28 | Wax mold forming die of impeller casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216938280U (en) |
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- 2022-01-28 CN CN202220237925.8U patent/CN216938280U/en active Active
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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wax mold for forming impeller castings Effective date of registration: 20230908 Granted publication date: 20220712 Pledgee: Yiyuan sub branch of industrial and Commercial Bank of China Ltd. Pledgor: ZIBO JINDONG MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023980055815 |