CN220052719U - Multifunctional ejection die - Google Patents
Multifunctional ejection die Download PDFInfo
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- CN220052719U CN220052719U CN202321057468.5U CN202321057468U CN220052719U CN 220052719 U CN220052719 U CN 220052719U CN 202321057468 U CN202321057468 U CN 202321057468U CN 220052719 U CN220052719 U CN 220052719U
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- ejection
- die
- ejector
- oblique
- injection molding
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- 238000001746 injection moulding Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a multifunctional ejection die which comprises an upper die, a lower die and a plurality of groups of inclined ejection mechanisms, wherein the inclined ejection mechanisms are regularly arranged in the lower die side by side; the oblique ejection mechanism is provided with a first oblique ejection part, a second oblique ejection part and a driving plate, wherein the first oblique ejection part and the second oblique ejection part are positioned at the same section, the driving plate is used for driving each oblique ejection part to move upwards for demolding, the first oblique ejection part and the second oblique ejection part are oppositely arranged on different sides of the injection molding part, and the head part of each oblique ejection part faces the injection molding part and is provided with an ejection part for preventing the injection molding part from sticking to the oblique ejection part. Therefore, the injection molding piece after molding is subjected to inclined ejection demolding through the plurality of groups of inclined ejection mechanisms, two inclined ejection pieces of each inclined ejection mechanism are driven by the driving plate to walk, ejection pieces are correspondingly arranged at the heads of the inclined ejection pieces, the quick release of the injection molding piece is further promoted, the inclined ejection pieces and the ejection pieces thereof cooperate to perform demolding operation jointly, the inclined ejection structure is simple, the scale is small, the synchronism is high, the ejection is convenient, and the demolding efficiency is remarkably improved.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a multifunctional ejection die.
Background
The existing mold usually needs to eject the product to finish demolding after injection molding, but in the process, certain defects exist, particularly, in the demolding structure penetrating through the upper end along the product, collision is easy to occur in the demolding process, the time consumed by ejecting the product through the inclined ejection mechanism is long, the production efficiency is affected, and when the specific injection molding piece is molded, a plurality of ejector pins are correspondingly required to be arranged on the mold to ensure the demolding of the injection molding product, so that the mold is complicated in structure and correspondingly increased in scale, and the investment of the production cost is increased. Particularly, when the inclined ejector is used, synchronous ejection is inconvenient during die separation, and the demolding effect is affected.
Disclosure of Invention
Accordingly, the present utility model is directed to a multifunctional ejector die, which solves the above-mentioned problems.
The utility model adopts the following scheme:
the utility model provides a multifunctional ejection die which comprises an upper die and a lower die, wherein the lower die is provided with a cavity for forming an injection molding piece after being matched with the upper die; the multifunctional ejection die also comprises a plurality of groups of inclined ejection mechanisms which are arranged in the lower die and extend to the cavity, and each inclined ejection mechanism is regularly arranged in the lower die side by side; the oblique ejection mechanism is provided with a first oblique ejection part, a second oblique ejection part and a driving plate, wherein the first oblique ejection part and the second oblique ejection part are positioned at the same section, the driving plate is used for driving each oblique ejection part to move upwards for demolding, the first oblique ejection part and the second oblique ejection part are oppositely arranged on different sides of the injection molding part, and the head part of each oblique ejection part faces the injection molding part and is provided with an ejection part for preventing the injection molding part from sticking to the oblique ejection part.
As a further improvement, the first inclined top piece and the second inclined top piece are in splayed fit, the head of the first inclined top piece is formed at the upper left side of the cavity, and the head of the second inclined top piece is formed at the upper right side of the cavity and used for forming the back-off structure of the injection molding piece in the cavity respectively.
As a further improvement, one end of the first pitched roof piece is hinged on the driving plate, the other end is butted on the head part of the first pitched roof piece, and the outer diameter of the head part is larger than that of the pitched roof piece.
As a further improvement, the head part is provided with an outer arc-shaped surface in alignment contact with the upper die and an inner die surface for forming an inverted structure of the injection molding part, and the ejection part transverse bulge is arranged on the inner die surface.
As a further improvement, the ejection piece is transversely arranged on the inner die surface through a compression spring, and after the ejection piece is demoulded and moved, the ejection piece is correspondingly elastically abutted to the injection piece so as to push out the injection molded product.
As a further improvement, one end of the second inclined ejector is hinged on the driving plate, the other end is butted on the head of the second inclined ejector, and the height of the ejection piece of the second inclined ejector is larger than that of the ejection piece of the first inclined ejector.
As a further improvement, the lower die comprises an upper die plate, an intermediate die plate and a lower die plate, and the driving plate is movably arranged between the upper die plate and the lower die plate and is accommodated in the intermediate die plate.
As a further improvement, two groups of inclined ejection mechanisms are correspondingly arranged along the length direction of the injection molding piece, and the two inclined ejection mechanisms are arranged in the cavity at a middle interval.
By adopting the technical scheme, the utility model can obtain the following technical effects:
according to the multifunctional ejection die, the molded injection molding pieces are subjected to ejection demolding through the plurality of groups of ejection mechanisms, the two ejection pieces of each ejection mechanism are driven by the driving plate to walk, the ejection pieces are correspondingly arranged at the heads of the ejection pieces, the ejection pieces are further lifted to be separated from the injection molding pieces rapidly, the ejection pieces and the ejection pieces thereof cooperate with each other to perform the demolding operation together, the ejection mechanism is simple in structure and small in scale, ejection is convenient to perform with high synchronism, and the demolding efficiency is remarkably improved.
Drawings
FIG. 1 is an application scenario diagram of a multifunctional ejector die of an embodiment of the present utility model, wherein the upper die is hidden for ease of illustration;
FIG. 2 is a schematic view of the structure of FIG. 1 at other viewing angles;
FIG. 3 is a partially disassembled schematic illustration of FIG. 1;
fig. 4 is a schematic structural diagram of a multifunctional ejection die according to an embodiment of the present utility model after hiding an upper die;
FIG. 5 is a schematic structural view of a multifunctional ejection die in demolding, wherein the lower view is a schematic working view of an inclined ejection mechanism;
fig. 6 is a cross-sectional view of a tilt-roof mechanism of a multi-functional ejector die of an embodiment of the utility model.
Icon: 1-a lower die; 2-a pitched roof mechanism; 3-a first angled roof; 4-a second angled roof; 5-a drive plate; 6-head; 7-ejection piece; 8-compressing a spring; 9-upper template; 10-an intermediate template; 11-a bottom layer template; a-injection molding.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 6, the present embodiment provides a multifunctional ejection mold, which includes an upper mold (located above a lower mold 1, not illustrated) and the lower mold 1, wherein the lower mold 1 is provided with a cavity for molding an injection molding part a after being clamped with the upper mold. The multifunctional ejection die further comprises a plurality of groups of inclined ejection mechanisms 2 which are arranged in the lower die 1 and extend to the die cavity, and the inclined ejection mechanisms 2 are regularly arranged in the lower die 1 side by side. The oblique ejection mechanism 2 is provided with a first oblique ejection part 3 and a second oblique ejection part 4 which are positioned at the same section and a driving plate 5 for driving each oblique ejection part to move upwards for demolding, the first oblique ejection part 3 and the second oblique ejection part 4 are oppositely arranged at different two sides of the injection molding part A, and the head part 6 of each oblique ejection part is provided with an ejection part 7 which prevents the injection molding part A from being stuck on the oblique ejection part facing the injection molding part A.
According to the multifunctional ejection die, the molded injection molding part A is ejected obliquely through the plurality of groups of oblique ejection mechanisms 2, the two oblique ejection parts of each oblique ejection mechanism 2 are driven to walk by the driving plate 5, the ejection part 7 is correspondingly arranged at the head 6 of the oblique ejection part, the quick release of the injection molding part A is further promoted, the oblique ejection parts and the ejection part 7 thereof cooperate to perform ejection operation together, the oblique ejection structure is simple and small in scale, ejection is convenient to perform synchronously, and the ejection efficiency is remarkably improved.
As shown in fig. 3 to 6, in the present embodiment, the first diagonal top member 3 and the second diagonal top member 4 are in a splayed fit, the head 6 of the first diagonal top member 3 is formed at the upper left side of the cavity, and the head 6 of the second diagonal top member 4 is formed at the upper right side of the cavity, so as to form the inverted buckle structure of the injection molding member a in the cavity respectively. And the head 6 moves upwards along with the inclined top piece, and correspondingly, the head is separated from the injection molding piece A below the inclined top piece in the up-down direction.
Wherein, one end of the first oblique top piece 3 is hinged on the driving plate 5, the other end is butted on the head part 6 of the first oblique top piece, and the outer diameter of the head part 6 is larger than that of the oblique top piece. Specifically, the head 6 has an outer arc surface in alignment contact with the upper die and an inner die surface for forming the inverted structure of the injection molding member a, and the ejector 7 is laterally protruded on the inner die surface. In this embodiment, after the ejector 7 moves upward, the protruding ejector 7 ejects the injection molding a inward in the left-right direction toward the injection molding a, so that the injection molding product does not stick to the oblique ejector.
Furthermore, the ejector 7 is transversely arranged on the inner die surface through a compression spring 8, and after the inclined ejector is released, the ejector 7 is correspondingly elastically abutted to the injection molding part A to push out the injection molded product. Therefore, the flexible fit between the ejection piece 7 and the injection molding piece A is improved in an elastic abutting mode, the transverse ejection force is improved on one hand, and the injection molding product is effectively protected on the other hand, so that damage is avoided.
In the present embodiment, the second diagonal member 4 is identical in structural configuration and operation principle to the first diagonal member 3. Wherein, one end of the second inclined top piece 4 is hinged on the driving plate 5, the other end is butted on the head 6 of the second inclined top piece, and the height of the ejection piece 7 of the second inclined top piece 4 is larger than that of the ejection piece 7 of the first inclined top piece 3. Therefore, on the same group of inclined ejection mechanisms 2, the ejection piece 7 on the left inclined ejection piece is lower than the ejection piece 7 on the right inclined ejection piece, and the two ejection pieces 7 are respectively used for horizontally separating injection products at different heights at the same section, so that the demolding efficiency is further improved.
As shown in fig. 4, in the present embodiment, the lower mold 1 includes an upper mold plate 9, an intermediate mold plate 10, and a lower mold plate 11, and the driving plate 5 is movably disposed between the upper mold plate 9 and the lower mold plate 11 and is accommodated in the intermediate mold plate 10. Two groups of inclined ejection mechanisms 2 are correspondingly arranged along the length direction of the injection molding piece A, and the two inclined ejection mechanisms 2 are arranged in the cavity at a middle interval. The inverted structure of the injection molding part A is limited by the two groups of inclined ejection mechanisms 2, and after molding, the injection molding product is correspondingly separated out rapidly.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model.
Claims (8)
1. The multifunctional ejection die is characterized by comprising an upper die and a lower die, wherein the lower die is provided with a cavity for forming an injection molding piece after being matched with the upper die; wherein,
the die further comprises a plurality of groups of inclined ejection mechanisms which are arranged in the lower die and extend to the die cavity, and each inclined ejection mechanism is regularly arranged in the lower die side by side; the oblique ejection mechanism is provided with a first oblique ejection part, a second oblique ejection part and a driving plate, wherein the first oblique ejection part and the second oblique ejection part are positioned at the same section, the driving plate is used for driving each oblique ejection part to move upwards for demolding, the first oblique ejection part and the second oblique ejection part are oppositely arranged on different sides of the injection molding part, and the head part of each oblique ejection part faces the injection molding part and is provided with an ejection part for preventing the injection molding part from sticking to the oblique ejection part.
2. The multifunctional ejection die of claim 1, wherein the first angled ejector and the second angled ejector are splayed together, the head of the first angled ejector is formed at the upper left of the cavity, and the head of the second angled ejector is formed at the upper right of the cavity for forming the inverted buckle structure of the injection molding piece in the cavity respectively.
3. The multi-functional ejector die of claim 1, wherein the first angled ejector has one end hinged to the drive plate and the other end butted to its head, and the head has an outer diameter greater than the outer diameter of the angled ejector.
4. A multi-functional ejector die as in claim 3, wherein the head has an outer arcuate surface in alignment contact with the upper die and an inner die surface for forming a back-off structure of the injection molded part, the ejector lateral projection being disposed on the inner die surface.
5. The multi-purpose ejector die of claim 4, wherein the ejector is mounted transversely to the inner die surface by a compression spring, and the ejector is resiliently biased against the injection member after the ejector is released from the mold to eject the molded product.
6. A multi-functional ejector die according to claim 3, wherein one end of the second angled ejector is hinged to the drive plate and the other end is butted to the head thereof, and the height of the ejector of the second angled ejector is greater than the height of the ejector of the first angled ejector.
7. The multi-purpose ejector die of claim 1, wherein the lower die comprises an upper die plate, an intermediate die plate, and a lower die plate, the drive plate being movably disposed between the upper die plate and the lower die plate and received within the intermediate die plate.
8. The multifunctional ejection die of claim 1, wherein two groups of the inclined ejection mechanisms are correspondingly arranged along the length direction of the injection molding piece, and the two inclined ejection mechanisms are arranged in the cavity at a central interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057468.5U CN220052719U (en) | 2023-05-06 | 2023-05-06 | Multifunctional ejection die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057468.5U CN220052719U (en) | 2023-05-06 | 2023-05-06 | Multifunctional ejection die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220052719U true CN220052719U (en) | 2023-11-21 |
Family
ID=88750256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321057468.5U Active CN220052719U (en) | 2023-05-06 | 2023-05-06 | Multifunctional ejection die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220052719U (en) |
-
2023
- 2023-05-06 CN CN202321057468.5U patent/CN220052719U/en active Active
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