CN212241933U - Supporting type diaphragm crease-resistant structure of injection mold - Google Patents
Supporting type diaphragm crease-resistant structure of injection mold Download PDFInfo
- Publication number
- CN212241933U CN212241933U CN202020751436.5U CN202020751436U CN212241933U CN 212241933 U CN212241933 U CN 212241933U CN 202020751436 U CN202020751436 U CN 202020751436U CN 212241933 U CN212241933 U CN 212241933U
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- CN
- China
- Prior art keywords
- diaphragm
- crease
- mould benevolence
- support bar
- injection mold
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an injection mold's support formula diaphragm crease-resistance structure, this crease-resistance structure is including setting up an bellied support bar on the position that the rendition diaphragm corrugates easily takes place on die cavity mould benevolence, it keeps away the sky to open a slot at the corresponding position of die core mould benevolence, the unilateral numerical value of keeping away the sky is greater than the thickness of diaphragm, press the frame to set up on die cavity mould benevolence, compress tightly the diaphragm, the sealing washer sets up on the seal groove of die cavity mould benevolence, form inclosed diaphragm adsorption zone with pressing the frame cooperation, the position of support bar is between die cavity wall and pressure frame sealing. The utility model discloses utilize support bar crease-resistance structure, reliably eliminated the rendition diaphragm because of the distortion that the height drop caused or the uneven corrugate that arouses of the uneven surplus that produces in surface, simple structure, set up in a flexible way, revise the convenience, guaranteed the stability of IMD gadget high-quality outward appearance, improved the life of IMD mould.
Description
Technical Field
The utility model belongs to the technical field of injection mold, specific saying so relates to an injection mold's support formula diaphragm crease-resistance structure.
Background
IMD (in-mold decoration), namely in-mold decoration, is an injection mold technology for realizing environment-friendly manufacturing, finishes the decoration treatment of the appearance surface of a plastic part at the same time through one-step molding, and is widely applied to plastic products such as automotive upholsteries, household appliance panels, window lenses, gift packaging boxes and the like. However, in practice it has been found that: when the appearance surface of the ornament, namely the parting surface, has a certain fall and is an irregular surface, the smooth transfer printing membrane is directly stressed unevenly and distorted under the influence of the contact sequence of the pressure frame and the membrane and the irregular surface at the moment of pressing, or the membrane in a local area is redundant, and after the membrane is adsorbed and attached to the cavity wall, the phenomenon that the membrane is wrinkled is easily caused at the parts.
Disclosure of Invention
In order to solve the problem, the utility model provides an injection mold's support formula diaphragm crease-resistant structure, this structure has eliminated the phenomenon of corrugating that the transfer printing diaphragm arouses because of the distortion that the height drop caused or the surplus inequality that the surface irregularity produced.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model relates to an injection mold's support formula diaphragm crease-resistance structure, this crease-resistance structure is including setting up an bellied support bar on the position that the rendition diaphragm corrugates easily takes place on die cavity mould benevolence, it keeps away the sky to open a slot at the corresponding position of die core mould benevolence, the unilateral numerical value of keeping away the sky is greater than the thickness of diaphragm, press the frame to set up on die cavity mould benevolence, compress tightly the diaphragm, the sealing washer sets up on the seal groove of die cavity mould benevolence, form inclosed diaphragm adsorption zone with pressing the frame cooperation, the position of support bar is between die cavity wall and pressure frame sealing.
The utility model discloses a further improvement lies in: the head part of the supporting bar is upward and is in a rhombus shape, and the height of the bulge can be corrected.
The utility model has the advantages that: the utility model discloses utilize support bar crease-resistance structure, reliably eliminated the rendition diaphragm because of the distortion that the height drop caused or the uneven corrugate that arouses of the uneven surplus that produces in surface, simple structure, set up in a flexible way, revise the convenience, guaranteed the stability of IMD gadget high-quality outward appearance, improved the life of IMD mould.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
As shown in fig. 1, the utility model relates to a support type membrane crease-resistant structure of an injection mold, which comprises a convex support bar 3 arranged on a position of a cavity mold core 4 where a transfer printing membrane wrinkling is easy to occur, the head of the support bar 3 is upward and is in a diamond shape, the convex height can be corrected, a groove is formed at a corresponding position of a mold core 5 to avoid a space, the value of the single side avoiding space is larger than the thickness of the membrane, a pressing frame 1 is arranged on the mold cavity mold core 4 to press the membrane, a seal ring 2 is arranged in a seal groove of the mold cavity mold core 4 to form a closed membrane adsorption area in cooperation with the pressing frame 1, the position of the support bar 3 is between the cavity wall and the pressing frame seal ring, when the membrane is pressed, the position where the membrane is distorted is changed by the convex support bar 3 to be caused to occur near the support bar 3 or eliminate redundant membrane amount, the diaphragm attached to the cavity wall is uniform and flat.
The utility model discloses utilize support bar crease-resistance structure, reliably eliminated the rendition diaphragm because of the distortion that the height drop caused or the uneven corrugate that arouses of the uneven surplus that produces in surface, simple structure, set up in a flexible way, revise the convenience, guaranteed the stability of IMD gadget high-quality outward appearance, improved the life of IMD mould.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (2)
1. The utility model provides an injection mold's support formula diaphragm crease-resistance structure which characterized in that: this crease-resistance structure is including setting up an bellied support bar (3) on cavity mould benevolence (4) on the position that easily takes place the rendition diaphragm and corrugate, and the portion fluting that corresponds in core mould benevolence (5) keeps away the sky, and the unilateral numerical value of keeping away the sky is greater than the thickness of diaphragm, presses frame (1) to set up the higher authority of cavity mould benevolence (4), compresses tightly the diaphragm, and sealing washer (2) set up on the seal groove of cavity mould benevolence (4), with press frame (1) cooperation to form inclosed diaphragm adsorption zone, the position of support bar (3) is between the cavity wall and press the frame sealing washer.
2. The supporting type membrane crease-resistant structure of the injection mold according to claim 1, characterized in that: the head of the support bar (3) faces upwards and is in a diamond shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020751436.5U CN212241933U (en) | 2020-05-09 | 2020-05-09 | Supporting type diaphragm crease-resistant structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020751436.5U CN212241933U (en) | 2020-05-09 | 2020-05-09 | Supporting type diaphragm crease-resistant structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212241933U true CN212241933U (en) | 2020-12-29 |
Family
ID=73998159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020751436.5U Expired - Fee Related CN212241933U (en) | 2020-05-09 | 2020-05-09 | Supporting type diaphragm crease-resistant structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212241933U (en) |
-
2020
- 2020-05-09 CN CN202020751436.5U patent/CN212241933U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |