CN220409365U - Anti-collision 45-degree parting O-shaped ring die - Google Patents
Anti-collision 45-degree parting O-shaped ring die Download PDFInfo
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- CN220409365U CN220409365U CN202321473152.4U CN202321473152U CN220409365U CN 220409365 U CN220409365 U CN 220409365U CN 202321473152 U CN202321473152 U CN 202321473152U CN 220409365 U CN220409365 U CN 220409365U
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- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the field of dies and discloses an anti-collision 45-degree parting O-shaped ring die which comprises an upper die, a lower die and an annular die cavity, wherein the die cavity is arranged on the contact surface of the upper die and the contact surface of the lower die in a split manner; the positioning piece is coaxial with the rotation axis of the cavity, the positioning piece is connected with the upper die, a notch matched with the positioning piece is arranged on the lower die, and the positioning piece is installed in the notch in a pluggable manner; the utility model can realize the positioning of the upper die and the lower die through a group of positioning pieces which are coaxial with the rotation axis of the die cavity of the die and matched with the notch for positioning, and has simple and practical structure and convenient operation.
Description
Technical Field
The utility model relates to an O-shaped ring processing die, in particular to an anti-collision 45-degree parting O-shaped ring die.
Background
At present, most of the production processes of 45-degree parting O-shaped rings in the market are filling type, namely, a process method that a preformed solid adhesive tape which is approximately equal to the perimeter of a product is placed into a mold cavity and then heated and pressurized to finally obtain the product; because the positioning mode of the die is 45 degrees, the accurate positioning can be realized only after the upper die and the lower die are completely attached, and the upper die and the lower die are cushioned after the preformed solid adhesive tape is filled before vulcanization; the positioning surface is not fully attached to form a larger gap, so that the upper part (an upper die or a lower die) is inclined; in general, the distance between the tearing groove and the cavity is mostly controlled to be 0.05-0.10 mm, the tearing groove is relatively sharp and convenient for post-process trimming, and the tearing groove is easy to deform and crush due to the fact that an upper part (an upper die or a lower die) is tilted; in the manufacturing process of the technological method for matching the die structure, parting surfaces are damaged frequently when the die is damaged, the die is positioned inaccurately, and the tearing groove is deformed, so that product defects such as parting surface openings and abnormal shapes of products are caused, flash burrs of the products are difficult to clean, the appearance quality level of the products is reduced, and the final qualification rate of the products is directly affected.
The 45-degree O-shaped ring processing module disclosed in the patent CN210308610U and the die disclosed in the patent CN87203363U are provided with the locating pin structure between the upper die and the lower die, so that the upper die and the lower die can be positioned in the die assembly process, and the technical problems are solved to a certain extent; however, in the former patent, the locating pins are arranged at four groups of top angles of the lower base, in the latter patent, the locating pins are arranged at the side of the cavity, and in order to realize accurate positioning of the upper die and the lower die, at least two groups of locating pin structures are required to be arranged, so that the complexity of the structure is increased.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology and provides an anti-collision 45-degree parting O-shaped ring die.
The embodiment of the utility model is realized by the following technical scheme:
the anti-collision 45-degree parting O-shaped ring die comprises an upper die, a lower die and an annular die cavity, wherein the die cavity is divided into two parts and is arranged on the contact surface of the upper die and the contact surface of the lower die;
the mold further comprises a positioning piece coaxial with the rotation axis of the mold cavity, the positioning piece is connected with the upper mold, a notch matched with the positioning piece is arranged on the lower mold, and the positioning piece is installed in the notch in a pluggable manner.
Further, the positioning piece is a boss arranged on the lower end face of the upper die, and the cavity of the upper die is arranged on the lower end face of the boss; the cavity of the lower die is arranged below the notch of the lower die.
Further, the positioning piece is arranged on the contact surface of the upper die, and the cavity surrounds the periphery of the positioning piece; the outward extending height of the positioning piece is higher than the outline of the cavity on the upper die;
the height of the notch on the lower die is lower than the height of the profile of the cavity on the lower die.
Further, the positioning piece is a group of positioning pins which are connected between the upper die and the lower die in a pluggable manner.
Further, a positioning gap between the outer side wall of the positioning piece and the inner wall of the periphery side of the notch is 0.1mm-0.25mm.
Furthermore, the inner side and the outer side of the cavity are also provided with edge tearing grooves, and each group of edge tearing grooves are divided into two parts and are arranged on the contact surface of the upper die and the contact surface of the lower die.
Further, the distance between the edge tearing groove and the cavity is 0.05mm-0.1mm.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
the utility model can realize the positioning of the upper die and the lower die through a group of positioning pieces which are coaxial with the rotation axis of the die cavity of the die and matched with the notch for positioning, and has simple and practical structure and convenient operation.
Drawings
FIG. 1 is a schematic diagram of a 45 degree parting O-ring mold in one embodiment;
FIG. 2 is a schematic view of a 45 degree parting O-ring mold in yet another embodiment;
FIG. 3 is a schematic view of the positioning gap of the 45℃parting O-ring die of FIG. 1;
FIG. 4 is a schematic view of the positioning gap of the 45 degree split O-ring die of FIG. 2;
FIG. 5 is a schematic diagram of a tear edge groove of the 45 degree parting O-ring die of the utility model;
icon: 1-upper die, 10-positioning piece, 2-lower die, 20-notch, 3-cavity and 4-tearing edge groove.
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 of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1 to 5, the utility model discloses an anti-collision 45-degree parting O-shaped ring die, which comprises an upper die 1, a lower die 2 and an annular die cavity 3, wherein the die cavity 3 is arranged on the contact surface of the upper die 1 and the contact surface of the lower die 2 in a split manner.
Furthermore, to avoid the large deflection of the upper die 1 in the presence of the filler "jack-up" phenomenon, the die further comprises a positioning member 10 coaxial with the rotation axis of the cavity 3, i.e. with reference to fig. 1 and 2, the axis of the positioning member 10 is vertical and passes through the centre of the cavity 3.
Wherein, the locating piece 10 is connected with the upper die 1, in addition, the lower die 2 is provided with a notch 20 matched with the locating piece 10, and the locating piece 10 is arranged in the notch 20 in a pluggable way.
Referring to fig. 1, in one embodiment, the positioning member 10 is a boss provided on the lower end surface of the upper die 1, the cavity 3 of the upper die 1 is provided on the tapered sidewall of the lower end surface of the boss, and the cavity 3 of the lower die 2 is provided below the notch 20 of the lower die 2, and the positioning member 10 of the upper die 1 is matched with the notch 20 of the lower die 2; in addition, the positioning mode of the die mainly aims at the situation that the product has smaller inner diameter and is not easy to process the epitaxial positioning mode of the positioning pin.
Referring to fig. 2, in one embodiment, the positioning member 10 is disposed on the contact surface of the upper mold 1, the positioning member 10 is in the form of a pin, and the cavity 3 surrounds the periphery of the positioning member 10, that is, the positioning member 10 is located in an annular profile formed by the cavity 3; at this time, the positioning member 10 extends to a height higher than the profile of the cavity 3 on the upper die 1, i.e., the lower end of the positioning member 10 is lower than the position of the cavity 3, and the height of the notch 20 on the lower die 2 is lower than the profile of the cavity 3 on the lower die 2.
Specifically, the positioning member 10 is a set of positioning pins that are removably connected between the upper die 1 and the lower die 2, and this positioning form of the die is mainly directed to a pre-positioning form of a single positioning pin of a general-sized product.
Referring to fig. 3 and 4, in the above embodiment, the positioning clearances h1 and h2 between the outer side wall of the positioning member 10 and the peripheral side inner wall of the notch 20 are each 0.1mm to 0.25mm,
in the above embodiment, referring to fig. 5, the inner and outer sides of the cavity 3 are provided with the tear edge grooves 4, each set of tear edge grooves 4 is divided into two parts and is disposed on the contact surface of the upper die 1 and the contact surface of the lower die 2, and in addition, the distance between the tear edge grooves 4 and the cavity 3 is 0.05mm-0.1mm.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a 45 type O type circle moulds of preventing colliding with, includes mould (1), lower mould (2) and annular die cavity (3), die cavity (3) divide into two and set up on the contact surface of mould (1) and the contact surface of lower mould (2), its characterized in that:
the mold further comprises a positioning piece (10) coaxial with the rotation axis of the mold cavity (3), the positioning piece (10) is connected with the upper mold (1), a notch (20) matched with the positioning piece (10) is arranged on the lower mold (2), and the positioning piece (10) is installed in the notch (20) in a pluggable manner;
the positioning piece (10) is arranged on the contact surface of the upper die (1), and the die cavity (3) surrounds the periphery of the positioning piece (10); the outward extending height of the positioning piece (10) is higher than the outline of the cavity (3) on the upper die (1);
the height of the notch (20) on the lower die (2) is lower than the height of the profile of the cavity (3) on the lower die (2).
2. The 45 ° parting O-ring mold of claim 1 wherein: the positioning piece (10) is a boss arranged on the lower end face of the upper die (1), and the cavity (3) of the upper die (1) is arranged on the lower end face of the boss; the cavity (3) of the lower die (2) is arranged below the notch (20) of the lower die (2).
3. The 45 ° parting O-ring mold of claim 1 wherein: the positioning piece (10) is a group of positioning pins which are connected between the upper die (1) and the lower die (2) in a pluggable manner.
4. The 45 ° parting O-ring mold according to claim 1 or 2, characterized in that: the positioning gap between the outer side wall of the positioning piece (10) and the peripheral side inner wall of the notch (20) is 0.1mm-0.25mm.
5. The 45 ° parting O-ring mold according to claim 1 or 2, characterized in that: the inner side and the outer side of the cavity (3) are also provided with edge tearing grooves (4), and each group of edge tearing grooves (4) are arranged on the contact surface of the upper die (1) and the contact surface of the lower die (2) in a split mode.
6. The 45 ° parting O-ring mold of claim 5 wherein: the distance between the tearing edge groove (4) and the cavity (3) is 0.05mm-0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473152.4U CN220409365U (en) | 2023-06-09 | 2023-06-09 | Anti-collision 45-degree parting O-shaped ring die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473152.4U CN220409365U (en) | 2023-06-09 | 2023-06-09 | Anti-collision 45-degree parting O-shaped ring die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220409365U true CN220409365U (en) | 2024-01-30 |
Family
ID=89647470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321473152.4U Active CN220409365U (en) | 2023-06-09 | 2023-06-09 | Anti-collision 45-degree parting O-shaped ring die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220409365U (en) |
-
2023
- 2023-06-09 CN CN202321473152.4U patent/CN220409365U/en active Active
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