CN220031020U - O-shaped ring injection molding device - Google Patents
O-shaped ring injection molding device Download PDFInfo
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- CN220031020U CN220031020U CN202321536015.0U CN202321536015U CN220031020U CN 220031020 U CN220031020 U CN 220031020U CN 202321536015 U CN202321536015 U CN 202321536015U CN 220031020 U CN220031020 U CN 220031020U
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 79
- 238000002347 injection Methods 0.000 claims abstract description 57
- 239000007924 injection Substances 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims abstract description 40
- 238000007493 shaping process Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an O-shaped ring injection molding device which comprises an injection molding upper die and an injection molding lower die, wherein a height limiting pad seat is arranged between the injection molding upper die and the injection molding lower die; the lower injection molding die comprises a plurality of groups of first injection molding units, wherein adjacent first injection molding units are communicated through injection molding channels, each first injection molding unit comprises a lower sheet molding die, and a plurality of groups of lower O-shaped ring molding dies are arranged in the lower sheet molding die; the injection molding upper die comprises a plurality of groups of second injection molding units, wherein the second injection molding units comprise sheet molding upper dies, and a plurality of groups of O-shaped ring molding upper dies are arranged in the sheet molding upper dies; when the injection upper die and the injection lower die are clamped, a sheet forming cavity is formed between the sheet forming upper die and the sheet forming lower die, and an O-shaped ring forming cavity is formed between the O-shaped ring forming upper die and the O-shaped ring forming lower die. The utility model ensures the consistency of the heights of the cavity of each sheet molding cavity and the cavity of the O-shaped ring molding cavity, ensures the injection consistency of the O-shaped ring, effectively constructs the ring structure and the ring structure of the O-shaped ring, and has high molding precision.
Description
Technical Field
The utility model relates to the technical field of injection molding devices, in particular to an O-shaped ring injection molding device.
Background
In the existing O-shaped ring preparation process, an O-shaped ring sheet with a ring body structure is generally formed by injection molding in an injection molding mode, and because the injection molding pressure imbalance problem exists after injection molding fluid is injected into an upper die and a lower die of an existing injection molding device, the injection molding heights of each group of injection molding units are inconsistent, so that the injection molding consistency and the injection molding precision of the O-shaped ring are poor, and moreover, only a forming die for forming the O-shaped ring body structure is arranged, the O-shaped ring is easy to damage due to resilience force during demolding, the injection molding effect and the injection molding precision are poor, and the requirements of modern production and processing are difficult to meet.
Disclosure of Invention
In order to overcome the technical problems, the utility model discloses an O-ring injection molding device.
The technical scheme adopted by the utility model for achieving the purpose is as follows:
an O-shaped ring injection molding device comprises an injection upper die and an injection lower die which are assembled and arranged, wherein a height limiting gasket seat for limiting the height during die assembly is arranged between the injection upper die and the injection lower die;
the injection molding lower die comprises a plurality of groups of first injection molding units, wherein adjacent first injection molding units are communicated through injection molding channels, each first injection molding unit comprises a sheet molding lower die, and a plurality of groups of O-shaped ring molding lower dies are distributed in the sheet molding lower die according to the interval distance;
the injection molding upper die comprises a second injection molding unit which is arranged corresponding to the first injection molding unit, the second injection molding unit comprises a sheet molding upper die which is arranged corresponding to the sheet molding lower die, and a plurality of groups of O-shaped ring molding upper dies are arranged in the sheet molding upper die corresponding to the O-shaped ring molding lower die;
when the injection upper die and the injection lower die are clamped, a sheet forming cavity is formed between the sheet forming upper die and the sheet forming lower die, and an O-shaped ring forming cavity is formed between the O-shaped ring forming upper die and the O-shaped ring forming lower die.
The O-shaped ring injection molding device comprises an O-shaped ring molding lower die, a first ring forming female die and a first annular water gap female die, wherein the O-shaped ring molding lower die comprises a first ring molding male die, a first ring forming female die and a first annular water gap female die which are sequentially arranged from inside to outside;
the O-shaped ring forming upper die comprises a second ring forming male die, a second ring forming female die and a second annular water gap female die which are sequentially arranged from inside to outside;
when the injection upper die and the injection lower die are matched, the first in-loop shaping male die is abutted with the second in-loop shaping male die to form an in-loop structure of an O-shaped ring, an O-shaped ring forming cavity is formed between the first ring body forming female die and the second ring body forming female die, and an injection water cavity is formed between the first annular water gap female die and the second annular water gap female die.
The O-shaped ring injection molding device is characterized in that annular nozzle female dies of adjacent O-shaped ring molding lower dies are communicated.
The O-shaped ring injection molding device comprises an injection molding lower die, a first positioning hole, a second positioning hole, a positioning column and a positioning rod, wherein the injection molding lower die further comprises a plurality of groups of first positioning holes, the injection molding upper die further comprises a second positioning hole which is arranged corresponding to the first positioning hole, and the first positioning hole and the second positioning hole are positioned through the positioning column.
The O-shaped ring injection molding device is characterized in that the first injection molding unit and the second injection molding unit are respectively provided with four rows, and each row is two groups.
In the O-ring injection molding device, three rows of the O-ring molding lower molds in each first injection molding unit are arranged, and seven columns are arranged in each row;
and three rows of O-shaped ring forming upper dies in each second injection molding unit are arranged, and seven columns are arranged in each row.
The beneficial effects of the utility model are as follows: the height-limiting gasket is particularly arranged between the injection upper die and the injection lower die, so that when the die is closed, the height of each sheet forming cavity and the height of each O-shaped ring forming cavity are consistent, and the injection consistency of the O-shaped rings is ensured; and the supporting setting of O type ring shaping upper die and O type ring shaping lower die effectively builds the intra-annular structure and the ring body structure of O type ring, and shaping precision is high, secondly, through setting up the water injection cavity, makes the outer Zhou Chengxing of O type ring have the mouth of a river ring, reduces the resilience force of O type ring when breaking away from the mould effectively, avoids damaging O type ring, improves the qualification rate of moulding plastics of O type ring, and O type ring and mouth of a river ring's shaping limit are obvious, the separation of follow-up O type ring of being convenient for.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic bottom view of an injection upper mold according to the present utility model;
fig. 3 is a schematic top view of the injection lower mold of the present utility model.
Detailed Description
The present utility model will be further illustrated by the following specific examples, so that the technical solution of the present utility model can be understood and grasped more easily, and the present utility model is not limited thereto.
Examples: referring to fig. 1 to 3, the O-ring injection molding apparatus provided in this embodiment includes an injection upper mold 1 and an injection lower mold 2 that are assembled, and a height limiting gasket 3 for limiting the height during mold closing is disposed between the injection upper mold 1 and the injection lower mold 2;
the lower injection molding die 2 comprises a plurality of groups of first injection molding units, wherein adjacent first injection molding units are communicated through injection molding channels, each first injection molding unit comprises a lower sheet molding die 21, and a plurality of groups of lower O-shaped ring molding dies 22 are distributed in the lower sheet molding die 21 according to interval distances;
the injection upper die 1 comprises a second injection unit corresponding to the first injection unit, the second injection unit comprises a sheet forming upper die 11 corresponding to the sheet forming lower die 21, and a plurality of groups of O-ring forming upper dies 12 corresponding to the O-ring forming lower die 22 are arranged in the sheet forming upper die 11;
when the injection upper die 1 and the injection lower die 2 are closed, a sheet forming cavity is formed between the sheet forming upper die 11 and the sheet forming lower die 21, and an O-ring forming cavity is formed between the O-ring forming upper die 12 and the O-ring forming lower die 22.
Preferably, the lower O-ring forming die 22 includes a first annular forming punch, a first annular forming die and a first annular nozzle die sequentially arranged from inside to outside;
the O-shaped ring forming upper die 12 comprises a second ring forming male die, a second ring forming female die and a second annular water gap female die which are sequentially arranged from inside to outside;
when the injection upper die 1 and the injection lower die 2 are closed, the first in-loop shaping male die is abutted with the second in-loop shaping male die to form an in-loop structure of an O-shaped ring, an O-shaped ring forming cavity is formed between the first ring body forming female die and the second ring body forming female die, and an injection water cavity is formed between the first annular water gap female die and the second annular water gap female die.
Specifically, the height limiting gasket 3 is specially arranged between the injection upper die 1 and the injection lower die 2, so that when the die is closed, the height of each sheet forming cavity and the height of the cavity of each O-shaped ring forming cavity are consistent, and the injection consistency of the O-shaped rings is ensured; and the supporting setting of O type ring shaping upper die 12 and O type ring shaping lower die 22 effectively builds the intra-annular structure and the ring body structure of O type ring, and the shaping precision is high, secondly, through setting up the water injection cavity, makes the outer Zhou Chengxing of O type ring have the mouth of a river ring, reduces the resilience force of O type ring when breaking away from the mould effectively, avoids damaging the O type ring, improves the qualification rate of moulding plastics of O type ring, and the shaping limit of O type ring and mouth of a river ring is obvious, is convenient for the separation of follow-up O type ring.
Further, the annular nozzle dies of adjacent O-ring forming lower dies 22 communicate to ensure that injection fluid fully enters each set of O-ring forming cavities.
Further, the injection lower die 2 further comprises a plurality of groups of first positioning holes, the injection upper die 1 further comprises second positioning holes corresponding to the first positioning holes, and the first positioning holes and the second positioning holes are positioned through positioning columns, so that the die assembly precision of the injection upper die 1 and the injection lower die 2 is improved, and the injection effect of the O-shaped ring is optimized.
In this embodiment, the first injection molding unit and the second injection molding unit are provided with four rows, and each row has two groups;
three rows and seven columns of O-ring forming lower dies 22 are arranged in each first injection molding unit;
the O-ring shaped upper mold 12 in each of the second injection units is provided with three rows and seven columns in each row.
The utility model has reasonable and ingenious design, and the height-limiting pad seat is particularly arranged between the injection upper die and the injection lower die, so that the height of each sheet forming cavity and the height of each O-shaped ring forming cavity are consistent when the die is closed, and the injection consistency of the O-shaped rings is ensured; and the supporting setting of O type ring shaping upper die and O type ring shaping lower die effectively builds the intra-annular structure and the ring body structure of O type ring, and shaping precision is high, secondly, through setting up the water injection cavity, makes the outer Zhou Chengxing of O type ring have the mouth of a river ring, reduces the resilience force of O type ring when breaking away from the mould effectively, avoids damaging O type ring, improves the qualification rate of moulding plastics of O type ring, and O type ring and mouth of a river ring's shaping limit are obvious, the separation of follow-up O type ring of being convenient for.
The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments using the technical means and technical contents disclosed above without departing from the scope of the technical solution of the present utility model. Therefore, all equivalent changes according to the shape, structure and principle of the present utility model should be covered in the protection scope of the present utility model.
Claims (6)
1. The O-shaped ring injection molding device is characterized by comprising an injection upper die and an injection lower die which are assembled and arranged, wherein a height limiting gasket seat for limiting the height during die assembly is arranged between the injection upper die and the injection lower die;
the injection molding lower die comprises a plurality of groups of first injection molding units, wherein adjacent first injection molding units are communicated through injection molding channels, each first injection molding unit comprises a sheet molding lower die, and a plurality of groups of O-shaped ring molding lower dies are distributed in the sheet molding lower die according to the interval distance;
the injection molding upper die comprises a second injection molding unit which is arranged corresponding to the first injection molding unit, the second injection molding unit comprises a sheet molding upper die which is arranged corresponding to the sheet molding lower die, and a plurality of groups of O-shaped ring molding upper dies are arranged in the sheet molding upper die corresponding to the O-shaped ring molding lower die;
when the injection upper die and the injection lower die are clamped, a sheet forming cavity is formed between the sheet forming upper die and the sheet forming lower die, and an O-shaped ring forming cavity is formed between the O-shaped ring forming upper die and the O-shaped ring forming lower die.
2. The O-ring injection molding apparatus of claim 1, wherein the O-ring molding lower mold comprises a first ring molding male mold, a first ring molding female mold and a first ring gate female mold, which are sequentially arranged from inside to outside;
the O-shaped ring forming upper die comprises a second ring forming male die, a second ring forming female die and a second annular water gap female die which are sequentially arranged from inside to outside;
when the injection upper die and the injection lower die are matched, the first in-loop shaping male die is abutted with the second in-loop shaping male die to form an in-loop structure of an O-shaped ring, an O-shaped ring forming cavity is formed between the first ring body forming female die and the second ring body forming female die, and an injection water cavity is formed between the first annular water gap female die and the second annular water gap female die.
3. The O-ring injection molding apparatus of claim 2, wherein annular nozzle dies of adjacent O-ring forming lower dies are in communication.
4. The O-ring injection molding apparatus of claim 3, wherein the injection lower mold further comprises a plurality of sets of first positioning holes, and the injection upper mold further comprises second positioning holes corresponding to the first positioning holes, and the first positioning holes and the second positioning holes are positioned by positioning posts.
5. The O-ring injection molding apparatus of claim 4, wherein the first injection molding unit and the second injection molding unit are each provided with four rows and two groups per row.
6. The O-ring injection molding apparatus of claim 5, wherein three rows of said O-ring molding lower molds are provided in each of said first injection molding units, and seven columns are provided in each row;
and three rows of O-shaped ring forming upper dies in each second injection molding unit are arranged, and seven columns are arranged in each row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321536015.0U CN220031020U (en) | 2023-06-16 | 2023-06-16 | O-shaped ring injection molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321536015.0U CN220031020U (en) | 2023-06-16 | 2023-06-16 | O-shaped ring injection molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220031020U true CN220031020U (en) | 2023-11-17 |
Family
ID=88722296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321536015.0U Active CN220031020U (en) | 2023-06-16 | 2023-06-16 | O-shaped ring injection molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220031020U (en) |
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2023
- 2023-06-16 CN CN202321536015.0U patent/CN220031020U/en active Active
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