CN222271070U - Forming die of mobile phone middle frame decorative ring - Google Patents
Forming die of mobile phone middle frame decorative ring Download PDFInfo
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- CN222271070U CN222271070U CN202420311995.2U CN202420311995U CN222271070U CN 222271070 U CN222271070 U CN 222271070U CN 202420311995 U CN202420311995 U CN 202420311995U CN 222271070 U CN222271070 U CN 222271070U
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- forming
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000465 moulding Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007849 functional defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a forming die of a mobile phone middle frame decorative ring, wherein a front die core is arranged on a front die, a water gap plate is arranged on the front die core, a rear die core is arranged on a rear die, a forming plate is arranged on the rear die core, the outer contour of the water gap plate is matched with the inner wall of the mobile phone middle frame decorative ring, a first clearance part and a first air passage are arranged on the front die core, a second air passage is arranged on the forming plate, and a second clearance part and a flow passage are arranged on the rear die core. The utility model is characterized in that the rear mould core is embedded with the forming plate, the front mould core is embedded with the water gap plate, and the intersection of the rear mould core and the front mould core is respectively provided with the first clearance part, the second clearance part and the first groove, so that the forming cavity can be formed in a matched manner during mould assembly, the processing of each structural member is more convenient, the bulge, the avoidance groove, the third air passage, the first air passage, the second air passage, the first vent hole and the second vent hole are arranged, the air filling can be ensured around the plastic product during mould opening, the plastic product cannot be leaned against the mould by air pressure differential pressure, the probability of being damaged by propping or deformed during the mould assembly of the product is reduced, and the yield is improved.
Description
Technical Field
The utility model relates to the technical field of plastic molds, in particular to a molding mold of a mobile phone middle frame decorative ring.
Background
The plastic decorative ring on the mobile phone middle frame is a common part on the mobile phone, and mainly plays roles of decoration and accurate covering of internal structural parts. In the molding production, the decorative ring is thin in wall thickness but relatively large in overall outline, and is easy to deform or break during demolding, so that the decorative ring is difficult to completely fit with a mobile phone middle frame or cannot completely cover structural parts during assembly, and further, some appearance and even functional defects occur.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model provides a forming die for a mobile phone middle frame decorative ring, which can form a forming cavity by matching a forming plate, a water gap plate, a front die core and a rear die core during die assembly, ensure that gas is filled around a plastic product during die opening, reduce the probability of being damaged by propping or deformed by propping during product demoulding, and improve the yield.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The forming die for the mobile phone middle frame decorative ring comprises a front die and a rear die, wherein a thimble plate in transmission connection with a driving device is arranged on the rear die, a plurality of thimbles extending along the die opening direction are arranged on the thimble plate, a front die core is arranged on the front die, a water gap plate is embedded on the front die core, a rear die core matched with the front die core is arranged on the rear die, and an annular forming plate is embedded on the rear die core, wherein:
the outer contour of the water gap plate is matched with the inner wall of the mobile phone middle frame decorative ring, and the middle part of the water gap plate is provided with a main runner;
A first clearance part is arranged on the side wall of the front mold core, which faces the water gap plate, and an annular first air passage is arranged on the end part of the front mold core, which faces the rear mold, at the periphery of the first clearance part;
The cross section of the rear mold core is a mountain-shaped mechanism, the forming plate is embedded in the mountain-shaped mechanism in a matching manner, a second air passage matched with the first air passage is formed in the forming plate, a second air clearance part is formed in the side wall, close to the inner wall of the forming plate, of the rear mold core, a plurality of sub-runners are arranged on the side of the second air clearance part at the end part of the rear mold core, one end part of each sub-runner is communicated with the second air clearance part, the other end part of each sub-runner is communicated with a glue inlet, and when the mold is closed, the first air clearance part, the second air clearance part, the front mold core and the forming plate jointly enclose a forming cavity matched with a mobile phone middle frame decorative ring, and the first air passage is communicated with the second air passage.
As a further explanation of the above technical solution:
In the above technical scheme, a plurality of inclined third air passages are further arranged between the first air passage and the first air passage on the front mold core, and one end part of each third air passage is communicated with the first air passage.
In the above technical scheme, be equipped with on the mouth of a river board with the logical groove of sprue adaptation, the mouth of a river board orientation is equipped with along its annular first recess that extends of profile on the tip of back mould, be equipped with a plurality of slope archs on the mouth of a river board in the inboard of first recess.
In the above technical scheme, the inner wall of the forming plate is provided with more than one second groove extending along the outline of the forming plate, and the forming plate is provided with a plurality of first vent holes communicated with the second air passage.
In the technical scheme, the back mold core is provided with the clamping groove matched with the forming plate, the bottom of the clamping groove is provided with a plurality of second vent holes, each second vent hole is communicated with the exhaust channel on the back mold, the inner side of the clamping groove of the back mold core is provided with the convex plate matched with the water gap plate, the convex plate is provided with the glue inlet and the plurality of diversion channels, the tail end part of each diversion channel is provided with a plurality of avoidance grooves matched with the protrusions one by one, and each diversion channel is provided with more than one first ejector pin holes matched with the ejector pins one by one beside each avoidance groove.
In the above technical scheme, the rear mold core is further provided with a plurality of second ejector pin holes which are in one-to-one fit with the ejector pins on the outer side of the sub-runner, the end part of each second ejector pin hole is provided with a communication groove, and each communication groove is communicated with the second clearance part.
Compared with the prior art, the plastic mold has the advantages that the forming plate is embedded on the rear mold core, the water gap plate is embedded on the front mold core, the first clearance part, the second clearance part and the first groove are respectively arranged at the intersection of the rear mold core and the front mold core during mold assembly, the forming cavity can be formed in a matched mode during mold assembly, the processing of each structural part is convenient, the bulge, the avoidance groove, the third air passage, the first air passage, the second air passage, the first ventilation hole and the second ventilation hole are arranged, the air filling can be ensured around a plastic product during mold opening, the plastic product cannot be leaned against the mold by air pressure differential pressure, the probability of propping up damage or propping deformation during product demolding is reduced, and the yield is improved.
Drawings
Fig. 1 is an exploded view of the present embodiment;
FIG. 2 is a schematic cross-sectional view of the present embodiment when the mold is closed;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is a schematic diagram of the front mold core according to the present embodiment;
fig. 5 is a schematic structural view of the water inlet plate in the present embodiment.
FIG. 6 is a schematic diagram of the rear mold core according to the present embodiment;
FIG. 7 is an enlarged schematic view of the portion B in FIG. 6;
Fig. 8 is a schematic structural view of the molded plate in the present embodiment.
The drawing shows that the mold comprises 10 parts of front mold core, 11 parts of first clearance part, 12 parts of first air passage, 13 parts of third air passage, 20 parts of water gap plate, 21 parts of main flow passage, 22 parts of first groove, 23 parts of bulge, 30 parts of rear mold core, 31 parts of second clearance part, 32 parts of split flow passage, 33 parts of glue inlet, 34 parts of clamping groove, 35 parts of second ventilation hole, 36 parts of convex plate, 37 parts of avoidance groove, 38a parts of first jacking hole, 38b parts of second jacking hole, 39 parts of communication groove, 40 parts of forming plate, 41 parts of second air passage, 42 parts of second groove, 43 parts of first ventilation hole.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the application and are not to be construed as limiting the application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless specifically defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1-3, a molding die for a mobile phone middle frame decorative ring comprises a front die and a rear die, wherein a thimble plate in transmission connection with a driving device is arranged on the rear die, a plurality of thimble extending along the die opening direction are arranged on the thimble plate, a front die core 10 is arranged on the front die, a water gap plate 20 is embedded on the front die core 10, a rear die core 30 matched with the front die core 10 is arranged on the rear die, and an annular molding plate 40 is embedded on the rear die core 30, wherein:
The outer contour of the water gap plate 20 is matched with the inner wall of the mobile phone middle frame decorative ring, and a main runner 21 is arranged in the middle of the water gap plate 20;
A first clearance part 11 is arranged on the side wall of the front mould core 10 facing the water gap plate 20, and an annular first air channel 12 is arranged on the periphery of the first clearance part 11 on the end part of the front mould core 10 facing the rear mould;
The cross section of the rear mould core 30 is a mountain-shaped mechanism, a forming plate 40 is embedded in the forming plate 40 in a matching way, a second air passage 41 matched with the first air passage 12 is arranged on the forming plate 40, a second air clearance part 31 is arranged on the side wall of the rear mould core 30 close to the inner wall of the forming plate 40, a plurality of sub-channels 32 are arranged at the side of the second air clearance part 31 at the end part of the rear mould core 30, one end part of each sub-channel 32 is communicated with the second air clearance part 31, the other end part is communicated with a glue inlet 33, and when the mould is closed, a forming cavity matched with a mobile phone middle frame decorative ring is jointly enclosed by the first air clearance part 11, the second air clearance part 31, the front mould core 10 and the forming plate 40, and the first air passage 12 is communicated with the second air passage 41.
Specifically, as shown in fig. 4, a plurality of inclined third air passages 13 are further disposed between the first air passage 12 and the first air avoiding portion 11 on the front mold core 10, and one end portion of each third air passage 13 is communicated with the first air passage 12.
Specifically, as shown in fig. 5, a through groove adapted to the main runner 21 is provided on the nozzle plate 20, an annular first groove 22 extending along the contour of the nozzle plate 20 is provided on the end of the nozzle plate 20 facing the back mold, and a plurality of inclined protrusions 23 are provided on the nozzle plate 20 on the inner side of the first groove 22.
Specifically, as shown in fig. 6-7, a clamping groove 34 adapted to the forming plate 40 is formed in the rear mold core 30, a plurality of second vent holes 35 are formed in the bottom of the clamping groove 34, each second vent hole 35 is communicated with an exhaust channel in the rear mold, a convex plate 36 adapted to the nozzle plate 20 is formed in the inner side of the clamping groove 34 in the rear mold core 30, a glue inlet 33 and a plurality of sub-runners 32 are formed in the convex plate 36, a plurality of avoiding grooves 37 adapted to the protrusions 23 one by one are formed in the tail end of each sub-runner 32, more than one first ejector pin hole 38a adapted to the ejector pins one by one is formed in each sub-runner 32 beside each avoiding groove 37, a plurality of second ejector pin holes 38b adapted to the ejector pins one by one are further formed in the outer side of the sub-runners 32 in the rear mold core 30, a communication groove 39 is formed in the end of each second ejector pin hole 38b, and each communication groove 39 is communicated with the second avoiding part 31.
Specifically, as shown in fig. 8, the inner wall of the forming plate 40 is provided with more than one second groove 42 extending along the contour thereof, and the forming plate 40 is provided with a plurality of first ventilation holes 43 communicating with the second air passages 41.
The composition structure and connection relationship of the front mold and the rear mold belong to the knowledge of those skilled in the art, and are not described herein.
When the mold is closed, the rear mold drives the rear mold insert 30 and the forming plate 40 thereon to approach the front mold, so that the rear mold insert 30 is attached to the front mold insert 10, the convex plate 36 is attached to the nozzle plate 20, and the forming plate 40 is completely pressed against the clamping groove 34, and at this time, as shown in fig. 2 and 3, the first space 11 on the front mold insert 10, the end and the top of the inner wall on the forming plate 40, the second space 31 on the edge of the convex plate 36 on the rear mold insert 30, and the first groove 22 on the nozzle plate 20 are jointly surrounded to form a forming cavity with an annular structure. After completion, the glue solution flows into the glue inlet 33 through the main runner 21 and flows into different positions of the forming cavity through the sub-runners 32, the gas in the forming cavity is extruded to be converged into the first air passage 12 through the third air passage 13 on the front mold core 10, and is discharged into the exhaust passage of the rear mold through the second air passage 41 on the forming plate 40, the first air vent 43 and the second air vent 35 on the rear mold core 30, so that the glue solution can be ensured to be completely filled in the forming cavity. After the completion of the back mold opening, the back mold insert 30 and the forming plate 40 are separated from the front mold together, some ejector pins penetrate through the second ejector pin holes 38b to push the protrusions 23 on the water gap plate 20 to be separated from the avoidance grooves 37 on the convex plate 36, at the moment, air flows into the second avoidance part 31, the communication groove 39 and the first ejector pin holes 38a through the avoidance grooves 37 and flows into the second grooves 42 on the forming plate 40, so that the smoothness of the air passage is ensured, the formation of vacuum between the plastic product and the lower mold is avoided, and other ejector pins penetrate through the first ejector pin holes 38a to push against the water gap of the plastic product and jack the plastic product from the lower mold.
The utility model is characterized in that the rear mold core 30 is embedded with the forming plate 40, the front mold core 10 is embedded with the water gap plate 20, the first clearance part 11, the second clearance part 31 and the first groove 22 are respectively arranged at the intersection of the rear mold core 30 and the front mold core, the forming cavity can be formed by matching the rear mold core with the front mold core during mold closing, the processing of each structural part is more convenient, and the bulges 23, the avoidance grooves 37, the third air passages 13, the first air passages 12, the second air passages 41, the first ventilation holes 43 and the second ventilation holes 35 can ensure that gas fills around plastic products during mold opening, the plastic products can not lean against the mold by air pressure differential pressure, the probability of propping up or propping up deformation during product demolding is reduced, and the yield is improved.
The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (6)
1. The forming die for the mobile phone middle frame decorative ring comprises a front die and a rear die, wherein the rear die is provided with an ejector pin plate in transmission connection with a driving device, the ejector pin plate is provided with a plurality of ejector pins extending along the die opening direction, and the forming die is characterized in that the front die is provided with a front die core, a water gap plate is embedded on the front die core, the rear die is provided with a rear die core matched with the front die core, and the rear die core is embedded with an annular forming plate, wherein:
the outer contour of the water gap plate is matched with the inner wall of the mobile phone middle frame decorative ring, and the middle part of the water gap plate is provided with a main runner;
A first clearance part is arranged on the side wall of the front mold core, which faces the water gap plate, and an annular first air passage is arranged on the end part of the front mold core, which faces the rear mold, at the periphery of the first clearance part;
The cross section of the rear mold core is a mountain-shaped mechanism, the forming plate is embedded in the mountain-shaped mechanism in a matching manner, a second air passage matched with the first air passage is formed in the forming plate, a second air clearance part is formed in the side wall, close to the inner wall of the forming plate, of the rear mold core, a plurality of sub-runners are arranged on the side of the second air clearance part at the end part of the rear mold core, one end part of each sub-runner is communicated with the second air clearance part, the other end part of each sub-runner is communicated with a glue inlet, and when the mold is closed, the first air clearance part, the second air clearance part, the front mold core and the forming plate jointly enclose a forming cavity matched with a mobile phone middle frame decorative ring, and the first air passage is communicated with the second air passage.
2. The molding die of the mobile phone middle frame decorative ring according to claim 1, wherein a plurality of inclined third air passages are further arranged between the first air passage and the first air passage on the front die core, and one end part of each third air passage is communicated with the first air passage.
3. The mobile phone middle frame decorative ring forming die according to claim 1, wherein a through groove matched with the main runner is formed in the water gap plate, an annular first groove extending along the outline of the water gap plate is formed in the end portion, facing the rear die, of the water gap plate, and a plurality of inclined protrusions are arranged on the water gap plate and on the inner side of the first groove.
4. The molding die of the mobile phone middle frame decorative ring according to claim 1, wherein the inner wall of the molding plate is provided with more than one second groove extending along the outline of the molding plate, and the molding plate is provided with a plurality of first vent holes communicated with the second air passage.
5. The forming die of the mobile phone middle frame decorative ring is characterized in that a clamping groove matched with the forming plate is formed in the rear die core, a plurality of second vent holes are formed in the bottom of the clamping groove, each second vent hole is communicated with an exhaust channel in the rear die, a convex plate matched with the water gap plate is formed in the inner side of the clamping groove on the rear die core, the rubber inlet and the plurality of shunt channels are formed in the convex plate, a plurality of avoidance grooves matched with the protrusions one by one are formed in the tail end of each shunt channel, and more than one first ejector pin hole matched with the ejector pins one by one is formed in the side of each avoidance groove on each shunt channel.
6. The molding die of the mobile phone middle frame decorative ring according to claim 1, wherein a plurality of second ejector pin holes which are matched with the ejector pins one by one are further arranged on the outer side of the sub-runner on the rear die core, a communicating groove is formed in the end portion of each second ejector pin hole, and each communicating groove is communicated with the second empty avoiding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420311995.2U CN222271070U (en) | 2024-02-20 | 2024-02-20 | Forming die of mobile phone middle frame decorative ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420311995.2U CN222271070U (en) | 2024-02-20 | 2024-02-20 | Forming die of mobile phone middle frame decorative ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222271070U true CN222271070U (en) | 2024-12-31 |
Family
ID=93954315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420311995.2U Active CN222271070U (en) | 2024-02-20 | 2024-02-20 | Forming die of mobile phone middle frame decorative ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222271070U (en) |
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2024
- 2024-02-20 CN CN202420311995.2U patent/CN222271070U/en active Active
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