CN220532955U - Mould with telescopic demoulding assembly - Google Patents
Mould with telescopic demoulding assembly Download PDFInfo
- Publication number
- CN220532955U CN220532955U CN202321932042.XU CN202321932042U CN220532955U CN 220532955 U CN220532955 U CN 220532955U CN 202321932042 U CN202321932042 U CN 202321932042U CN 220532955 U CN220532955 U CN 220532955U
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- China
- Prior art keywords
- mould
- lower die
- base
- die
- mold
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Links
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 1
- 239000006260 foam Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010114 lost-foam casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model relates to the technical field of dies, in particular to a die with a telescopic demolding assembly, which comprises a lower die and an upper die, wherein a base is arranged below the lower die, a fixed plate is fixedly connected to the front side of the top of the base, a crank is rotatably arranged on the fixed plate, an intermittent gear is coaxially welded at the end part of an output shaft of the crank, a pushing plate capable of moving up and down is arranged in a die bin of the lower die, and a threaded shaft extending out of the bottom of the lower die is fixedly welded at the center of the bottom of the pushing plate; according to the utility model, through the intermittent gear, the threaded sleeve can be intermittently driven to rotate by the crank, so that the threaded shaft in threaded connection with the threaded sleeve can be driven to intermittently move up and down, the push plate can be driven to intermittently move up, a finished product can be slightly pushed to be demolded from the lower die, the demolding is not continuous, and the product is not easy to damage.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die with a telescopic demolding assembly.
Background
The lost foam casting is also called dry sand full mold negative pressure casting, is one of the most advanced casting processes internationally at present, is praised as a revolution in casting history, firstly prepares a foam plastic model according to the process requirements, coats and hangs special high temperature resistant paint, dries, then places the foam plastic model in a special sand box, fills dry sand according to the process requirements, compactly vibrates by three-dimensional, and casts molten metal in a vacuumizing state, at the moment, the model is gasified and lost, the molten metal replaces the model, a casting which is the same as a foam plastic model is reproduced, and the lost foam plastic model is the mold of the foam plastic model.
When the lost foam mould in the prior art is used for demoulding, the product is continuously ejected from the lower mould by using the ejection mechanism, the shearing force generated between the outer wall of the product and the inner wall of the mould bin is large in the continuous ejection process, the shearing force between the product and the inner wall of the mould bin is not buffered in the continuous movement process, and the product is easy to damage. In view of this, we propose a mold with a telescoping demolding assembly.
Disclosure of Invention
In order to make up for the defects, the utility model provides a die with a telescopic demolding assembly.
The technical scheme of the utility model is as follows:
the utility model provides a take mould of telescopic demoulding subassembly, includes lower mould and last mould, the lower mould below is equipped with a base, a base top front side fixedly connected with fixed plate, rotates on the fixed plate and installs a crank, the coaxial welding of output shaft tip department of crank has an intermittent type gear, be equipped with a push pedal that can reciprocate in the mould storehouse of lower mould, push pedal bottom center department welded fastening has a screw mandrel that stretches out from the lower mould bottom, the screw sleeve with screw mandrel threaded connection is installed in the rotation of base top, coaxial welding has the bevel gear with intermittent type gear engagement on the screw sleeve outer wall, install the injection pipe on the last mould.
As the preferable technical scheme, the outer wall bottoms of the left side and the right side of the lower die are integrally formed with a side plate, and the bottoms of each side plate are symmetrically and fixedly connected with two support columns with bottoms fixed on the base.
As the preferable technical scheme, go up the equal welded fastening of mould left and right sides outer wall bottom department and have an upper fixed block, the equal welded fastening of lower mould left and right sides outer wall top department has two fixed blocks down, upper fixed block with lower fixed block aligns and both pass through fixed screw fixed connection.
As a preferable technical scheme, the bottom of the upper die and the top of the lower die are embedded and provided with an annular upper sealing gasket.
As the preferable technical scheme, the edge of the bottom of the push plate is an inclined plane, the inner wall of the bottom of the lower die is parallel to the bottom of the push plate, and an annular lower sealing gasket is embedded and fixed at the edge of the inner wall of the bottom of the lower die.
As the preferable technical scheme, the bottom of the base is fixedly connected with a stabilizing shaft, and the threaded sleeve is inserted into the stabilizing shaft and is rotationally connected with the stabilizing shaft.
As the preferable technical scheme, the bottom of the base is symmetrically and fixedly connected with two solid supporting blocks.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the intermittent gear, the threaded sleeve can be intermittently driven to rotate by the crank, so that the threaded shaft in threaded connection with the threaded sleeve can be driven to intermittently move up and down, the push plate can be driven to intermittently move up, a finished product can be slightly pushed to be demolded from the lower die, the demolding is not continuous, and the product is not easy to damage.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the partial structure of FIG. 1 according to the present utility model;
fig. 3 is a schematic view of the structure of the intermittent gear and bevel gear of the present utility model.
The meaning of each reference numeral in the figures is:
1. a base; 10. a support column; 11. a stabilizing shaft; 2. a support block; 3. a lower die; 30. a lower fixing block; 31. a set screw; 32. a side plate; 33. a push plate; 330. a threaded shaft; 34. a lower gasket; 4. an upper die; 40. an injection tube; 41. an upper fixing block; 5. a fixing plate; 6. a crank; 60. an output shaft; 61. a threaded sleeve; 62. an intermittent gear; 63. bevel gears; 7. and (5) an upper sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-3, the present utility model provides a technical solution:
the die with the telescopic demoulding assembly comprises a lower die 3 and an upper die 4, a base 1 is arranged below the lower die 3, a fixing plate 5 is fixedly connected to the front side of the top of the base 1, a crank 6 is rotatably arranged on the fixing plate 5, an intermittent gear 62 is coaxially welded at the end part of an output shaft 60 of the crank 6, a push plate 33 capable of moving up and down is arranged in a die bin of the lower die 3, a threaded shaft 330 extending out of the bottom of the lower die 3 is fixedly welded at the center of the bottom of the push plate 33, a threaded sleeve 61 in threaded connection with the threaded shaft 330 is rotatably arranged at the top of the base 1, a bevel gear 63 meshed with the intermittent gear 62 is coaxially welded on the outer wall of the threaded sleeve 61, and an injection pipe 40 is arranged on the upper die 4. Through the intermittent gear 62 that sets up, can pass through crank 6 intermittent drive screw sleeve 61 and rotate, and then can drive the screw shaft 330 intermittent up-and-down movement with screw sleeve 61 threaded connection, can drive push pedal 33 intermittent upward movement, can promote the finished product to take off the mould from lower mould 3 a bit, discontinuous drawing of patterns is not fragile product.
As a preferred embodiment, the bottoms of the outer walls on the left side and the right side of the lower die 3 are integrally formed with a side plate 32, and the bottom of each side plate 32 is symmetrically and fixedly connected with two support columns 10 with bottoms fixed on the base 1. The support column 10 is provided for supporting the lower die 3 from the base 1, facilitating the installation of the threaded sleeve 61 and the like.
As a preferred embodiment, an upper fixing block 41 is welded and fixed at the bottoms of the outer walls on the left and right sides of the upper die 4, two lower fixing blocks 30 are welded and fixed at the tops of the outer walls on the left and right sides of the lower die 3, and the upper fixing block 41 and the lower fixing block 30 are aligned and fixedly connected through fixing screws 31. The upper and lower fixing blocks 41 and 30 are provided to connect the upper and lower molds 4 and 3.
Preferably, in this embodiment, an annular upper sealing gasket 7 is embedded and installed at the bottom of the upper die 4 and the top of the lower die 3. The upper gasket 7 is provided to improve the sealability between the upper die 4 and the lower die 3.
Preferably, the bottom edge of the pushing plate 33 is an inclined plane, and the bottom inner wall of the lower die 3 is parallel to the bottom of the pushing plate 33, and an annular lower sealing gasket 34 is embedded and fixed at the bottom inner wall edge of the lower die 3. The lower gasket 34 is provided to improve the sealability between the bottom of the push plate 33 and the inner wall of the bottom of the lower die 3.
Preferably, the bottom of the base 1 is fixedly connected with a stabilizing shaft 11, and the threaded sleeve 61 is inserted into the stabilizing shaft 11 and is rotatably connected with the stabilizing shaft 11. The stability shaft 11 is provided to improve the stability of rotation of the threaded sleeve 61.
As the preference of this embodiment, two solid supporting blocks 2 are symmetrically and fixedly connected to the bottom of the base 1. The stability of the whole device can be improved.
The mold with the telescopic demolding assembly can intermittently drive the threaded sleeve 61 to rotate through the intermittent gear 62, so that the threaded shaft 330 in threaded connection with the threaded sleeve 61 can be driven to intermittently move up and down, namely the push plate 33 can be driven to intermittently move up, a finished product can be slightly pushed to be demolded from the lower mold 3, the demolding is not continuous, and the product is not easy to damage;
when the mold is used, the upper mold 4 and the lower mold 3 are fixed through the upper fixing block 41 and the lower fixing block 30, raw materials are injected into the injection pipe 40, after the product is molded, the upper mold 4 is disassembled, the crank 6 is rotated, the crank 6 can rotate to drive the intermittent gear 62 to rotate through the output shaft 60 thereof, then intermittently drive the bevel gear 63 engaged with the intermittent gear to rotate, further drive the threaded shaft 330 in threaded connection with the threaded sleeve 61 to intermittently move up and down, and then drive the push plate 33 to intermittently move upwards, and the finished product can be pushed to be demolded from the lower mold 3 slightly.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Take mould of telescopic take off membrane subassembly, including lower mould (3) and last mould (4), its characterized in that: the utility model provides a lower mould (3) below is equipped with base (1), a fixed plate (5) is fixedly connected with in base (1) top front side, rotates on fixed plate (5) and installs a crank (6), coaxial welding has an intermittent gear (62) in output shaft (60) tip department of crank (6), be equipped with one push pedal (33) that can reciprocate in the mould storehouse of lower mould (3), push pedal (33) bottom center department welded fastening has a screw mandrel (330) that stretches out from lower mould (3) bottom, screw sleeve (61) with screw mandrel (330) threaded connection are installed in base (1) top rotation, coaxial welding has bevel gear (63) with intermittent gear (62) meshing on screw sleeve (61) outer wall, install injection pipe (40) on upper mould (4).
2. The mold with telescoping demoulding assembly as claimed in claim 1, wherein: the bottom of the outer walls of the left side and the right side of the lower die (3) are integrally formed with a side plate (32), and the bottom of each side plate (32) is symmetrically and fixedly connected with two support columns (10) with bottoms fixed on the base (1).
3. The mold with telescoping demoulding assembly as claimed in claim 2, wherein: the upper die (4) is characterized in that an upper fixing block (41) is fixedly welded at the bottoms of the outer walls on the left side and the right side, two lower fixing blocks (30) are fixedly welded at the tops of the outer walls on the left side and the right side of the lower die (3), and the upper fixing block (41) and the lower fixing block (30) are aligned and fixedly connected through fixing screws (31).
4. A mold with telescoping demoulding assembly as claimed in claim 3, wherein: an annular upper sealing gasket (7) is embedded and installed at the bottom of the upper die (4) and the top of the lower die (3).
5. The mold with telescoping demoulding assembly as claimed in claim 4, wherein: the edge of the bottom of the push plate (33) is an inclined plane, the inner wall of the bottom of the lower die (3) is parallel to the bottom of the push plate (33), and an annular lower sealing gasket (34) is embedded and fixed at the edge of the inner wall of the bottom of the lower die (3).
6. The mold with telescoping demoulding assembly as claimed in claim 5, wherein: the bottom of the base (1) is fixedly connected with a stabilizing shaft (11), and a threaded sleeve (61) is inserted into the stabilizing shaft (11) and is connected with the stabilizing shaft in a rotating way.
7. The mold with telescoping demoulding assembly as claimed in claim 6, wherein: two solid supporting blocks (2) are symmetrically and fixedly connected to the bottom of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321932042.XU CN220532955U (en) | 2023-07-21 | 2023-07-21 | Mould with telescopic demoulding assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321932042.XU CN220532955U (en) | 2023-07-21 | 2023-07-21 | Mould with telescopic demoulding assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532955U true CN220532955U (en) | 2024-02-27 |
Family
ID=89972678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321932042.XU Active CN220532955U (en) | 2023-07-21 | 2023-07-21 | Mould with telescopic demoulding assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532955U (en) |
-
2023
- 2023-07-21 CN CN202321932042.XU patent/CN220532955U/en active Active
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