CN213382745U - Injection mold for automobile plate parts - Google Patents
Injection mold for automobile plate parts Download PDFInfo
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- CN213382745U CN213382745U CN202022394197.5U CN202022394197U CN213382745U CN 213382745 U CN213382745 U CN 213382745U CN 202022394197 U CN202022394197 U CN 202022394197U CN 213382745 U CN213382745 U CN 213382745U
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Abstract
The utility model relates to the technical field of injection molds, in particular to an injection mold for automobile plate parts, which comprises a fixed mold component, a movable mold component, a mold core, a mold cavity and a pouring mechanism; the pouring mechanism comprises a pouring liner, a main runner, a cold material cavity, a sub-runner and a flow dividing mechanism; a cold material hole is formed in the parting surface of the mold core and the cavity; the mold core is provided with a plurality of sub-channels, one ends of the sub-channels are arranged at the parting surface and communicated with the cold material holes, and the other ends of the sub-channels are communicated with the mold cavity. On one hand, the utility model is provided with the flow dividing mechanism in the main runner, and the molten plastic from the main runner is more uniformly delivered to the corresponding point gates under the condition of minimum pressure loss, thereby improving the molding quality of the injection molding piece; on the other hand, the provision of a cold sink in the mold cavity makes it possible to store cold condensate from the nozzle during the injection interval and cold melt flow fronts, which prevents these cold charges from entering the mold cavity and affecting the rate of melt filling and the quality of the molded part.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an injection mold for auto plate class part.
Background
An injection mold is a tool for producing plastic products; the tool is also used for endowing the plastic product with complete structure and accurate dimension, and the injection molding is a processing method used for mass production of parts with complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.
The gating system of the injection mould refers to a plastic flow channel from the beginning of the plastic entering the mould from a nozzle of an injection machine to the entrance position of a cavity (excluding the cavity), and plays a crucial role in the forming performance and the forming quality of an injection molding part. However, the runner system in the prior art usually has the phenomenon of flow splitting and converging of the molten material due to the unreasonable design, so that the forming performance and the forming quality of the injection-molded part are greatly influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a pair of injection mold for automobile plate class part to there is the shunt meeting phenomenon that designs unreasonable and arouse the melt usually in the gating system who solves existence among the prior art, thereby leads to the formability and the shaping quality of injection molding to receive the problem of great influence.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an injection mold for automobile plate parts, which comprises a fixed mold component, a movable mold component, a mold core, a mold cavity and a pouring mechanism; the movable die assembly is movably arranged at the bottom of the fixed die assembly; the core is detachably arranged between the fixed die assembly and the movable die assembly; the cavity is arranged in the fixed die assembly and is arranged on the core; the pouring mechanism penetrates through the fixed die assembly, the mold core and the cavity; the pouring mechanism comprises a pouring liner, a main runner, a cold material cavity, a plurality of sub-runners and a sub-flow mechanism; the sprue bushing is arranged between the mold core and the cavity in a penetrating mode; the sprue bushing is internally provided with the main runner; the parting surfaces of the mold core and the mold cavity form the arc-shaped cold material hole; the mold core is provided with a plurality of sub-runners, one ends of the sub-runners are arranged at the parting surface and communicated with the cold material holes, and the other ends of the sub-runners are communicated with the mold cavity; the flow distribution mechanism is detachably arranged at the junction of the main runner and the sub-runners.
The utility model provides an injection mold for automobile plate parts, further, the shunting mechanism comprises a shunting plate; the flow distribution plate is characterized in that the main runner is of a conical structure, the flow distribution plate is detachably arranged at the junction of the main runner and the flow distribution channel and is of a circular plate-shaped structure, the flow distribution plate can be attached to the edge of the main runner, and a plurality of flow distribution holes are uniformly formed in the plate surface of the flow distribution plate.
The utility model provides an injection mold for automobile plate parts, further, the shunting mechanism also comprises a shunting clapboard; the reposition of redundant personnel baffle fixed set up in the bottom intermediate position department of flow distribution plate, the reposition of redundant personnel baffle is platelike structure, the reposition of redundant personnel baffle can with the edge laminating setting of subchannel.
The utility model provides an injection mold for automobile plate class part, furtherly, the die cavity is a two cavate die cavities of mould, the subchannel with cold burden cave be two and central symmetry set up in the both sides of sprue.
The utility model provides an injection mold for auto plate class part, furtherly, the subchannel is helical structure, the tip of subchannel is the spot gate.
The utility model provides an injection mold for automobile plate parts, further, the pouring mechanism also comprises a positioning ring and a plurality of positioning pins; the top of the fixed die component is provided with an injection gate; the positioning ring is detachably arranged in the pouring gate in a penetrating way through a plurality of positioning pins; the sprue bushing is detachably disposed through the sprue gate.
The utility model provides an injection mold for automobile plate parts, further, the pouring mechanism also comprises a nozzle sealing part; the nozzle sealing part is arranged on the upper end face of the sprue bushing and is of an arc-shaped structure.
The utility model provides an injection mold for automobile plate class part, furtherly, the sprue with the connection turning of subchannel is the circular-arc structure of smooth transition.
The technical scheme has the following advantages or beneficial effects:
the utility model provides an injection mold for automobile plate parts, which comprises a fixed mold component, a movable mold component, a mold core, a mold cavity and a pouring mechanism; the pouring mechanism comprises a pouring liner, a main runner, a cold material cavity, a plurality of sub-runners and a flow distribution mechanism; the sprue bushing is arranged between the mold core and the mold cavity in a penetrating mode; a main runner is arranged in the sprue bushing; an arc-shaped cold material cavity is formed at the parting surface of the mold core and the mold cavity; the mold core is provided with a plurality of sub-channels, one ends of the sub-channels are arranged at the parting surface and communicated with the cold material holes, and the other ends of the sub-channels are communicated with the mold cavity; the flow distribution mechanism is detachably arranged at the junction of the main flow channel and the sub flow channels. On one hand, the utility model is provided with the flow dividing mechanism in the main runner, and the molten plastic from the main runner is more uniformly delivered to the corresponding point gates under the condition of minimum pressure loss, thereby improving the molding quality of the injection molding piece; on the other hand, the provision of a cold sink in the mold cavity makes it possible to store cold condensate from the nozzle during the injection interval and cold melt flow fronts, which prevents these cold charges from entering the mold cavity and affecting the rate of melt filling and the quality of the molded part. It can be seen that, the utility model discloses simple structure, reasonable in design can effectively improve the efficiency that the injection molding process was implemented and the quality of shaping product, and the gating system who has solved existence among the prior art generally has the design unreasonable and arouse the reposition of redundant personnel of melt to meet the phenomenon to the shaping performance and the shaping quality that lead to the injection molding receive the problem of great influence.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic diagram of an injection mold for automobile plate parts, provided in embodiment 1 of the present invention;
fig. 2 is a schematic and simplified sectional structure of an injection mold for automobile plate parts according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a part of the structure of a pouring mechanism in an injection mold for automobile plate parts, which is provided in embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a partial structure of a flow distribution mechanism in an injection mold for automobile plate parts, which is provided in embodiment 1 of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
the gating system of the injection mould refers to a plastic flow channel from the beginning of the plastic entering the mould from a nozzle of an injection machine to the entrance position of a cavity (excluding the cavity), and plays a crucial role in the forming performance and the forming quality of an injection molding part. However, the runner system in the prior art usually has the phenomenon of flow splitting and converging of the molten material due to the unreasonable design, so that the forming performance and the forming quality of the injection-molded part are greatly influenced.
In order to solve the problem that a pouring system in the prior art usually has a split-flow convergence phenomenon caused by unreasonable design, thereby causing the molding performance and molding quality of an injection molding to be greatly affected, an embodiment 1 of the present invention provides an injection mold for automobile plate parts, as shown in fig. 1-4, including a fixed mold component 1, a movable mold component 2, a core 3, a cavity 4 and a pouring mechanism 5; the movable mould component 2 is movably arranged at the bottom of the fixed mould component 1; the core 3 is detachably arranged between the fixed die assembly 1 and the movable die assembly 2; the cavity 4 is arranged in the fixed die assembly 1, and the cavity 4 is arranged on the core 3; the pouring mechanism 5 is arranged on the fixed die assembly 1, the mold core 3 and the cavity 4 in a penetrating manner; the pouring mechanism 5 comprises a sprue bush 51, a main runner 52, a cold material cavity 53, a plurality of branch runners 54 and a branch mechanism 55; the sprue bush 51 is arranged between the mold core 3 and the mold cavity 4 in a penetrating way; a main flow passage 52 is provided in the sprue bush 51; an arc-shaped cold material cavity 53 is formed at the parting surface of the mold core 3 and the mold cavity 4; a plurality of sub-channels 54 are arranged on the mold core 3, one end of each sub-channel 54 is arranged at the parting surface and communicated with the cold material hole 53, and the other end of each sub-channel 54 is communicated with the mold cavity 4; the flow dividing mechanism 55 is detachably disposed at the boundary between the main flow passage 52 and the sub flow passage 54. The cavity 4 is a one-mold two-cavity 4, and the two branch channels 54 and the two cold material cavities 53 are arranged on two sides of the main channel 52 in a centrosymmetric manner. Further, the sub-runners 54 are in a spiral structure, and the end parts of the sub-runners 54 are point gates.
The utility model provides an automobile plate class injection mold for part, on one hand through set up reposition of redundant personnel mechanism 55 in sprue 52, under the minimum condition of loss of pressure, will come the molten plastics from sprue 52, more evenly send to corresponding point runner department to improve the shaping quality of injection molding; on the other hand, the provision of the cooling pockets 53 in the mold cavity 4 makes it possible to store the cold head generated by the nozzle during the injection interval and the cold front of the melt flow, so as to prevent these cold materials from entering the mold cavity 4, affecting the speed of filling the melt and the quality of the molded part. It can be seen that, the utility model discloses simple structure, reasonable in design can effectively improve the efficiency that the injection molding process was implemented and the quality of shaping product, and the gating system who has solved existence among the prior art generally has the design unreasonable and arouse the reposition of redundant personnel of melt to meet the phenomenon to the shaping performance and the shaping quality that lead to the injection molding receive the problem of great influence.
In order to further improve the molding quality of the injection molded part, in the injection mold for the automobile plate part provided by the embodiment, further, the shunting mechanism 55 comprises a shunting plate 551; the main runner 52 is a conical structure, the flow distribution plate 551 is detachably disposed at the junction of the main runner 52 and the flow distribution channels 54, the flow distribution plate 551 is a circular plate-shaped structure, the flow distribution plate 551 can be attached to the edge of the main runner 52, and a plurality of flow distribution holes 5511 are uniformly disposed on the surface of the flow distribution plate 551. Further, the flow dividing mechanism 55 further includes a flow dividing partition 552; the shunting baffle 552 is fixedly arranged at the middle position of the bottom of the shunting plate 551, the shunting baffle 552 is of a plate-shaped structure, and the shunting baffle 552 can be attached to the edge of the shunting channel 54. By arranging the flow distribution plate 551 and the flow distribution partition plate 552, the molten plastic in the main flow passage 52 can be uniformly injected into all the flow distribution passages 54 from the flow distribution holes 5511 uniformly distributed on the flow distribution plate 551, and then the molten plastic is further distributed to the corresponding flow distribution passages 54 through the flow distribution partition plate 552, so that the uniformity of injecting the molten plastic into each flow distribution passage 54 is improved to the maximum extent, and the molding performance and the molding quality of an injection molded part are further improved.
In order to further improve the operational reliability of the pouring mechanism 5, in the injection mold for automobile plate parts provided in this embodiment, the pouring mechanism 5 further includes a positioning ring 56 and a plurality of positioning pins 57; the top of the fixed die component 1 is provided with an injection gate 58; the positioning ring 56 is detachably inserted into the pouring gate through a plurality of positioning pins 57; the sprue bushing 51 is detachably inserted into the sprue 58. Through setting up holding ring 56 and a plurality of locating pin 57 for sprue bush 51's position can not take place to shift because of the nozzle collision of injection molding machine, and its positioning accuracy is high, and the installation is strong from the locking nature, even repetitious installations also can obtain higher location installation accuracy, thereby makes whole pouring mechanism 5's structural stability higher, and then has improved the formability and the shaping quality of injection molding.
In order to further improve the operational reliability of the pouring mechanism 5, the injection mold for automobile plate parts provided in this embodiment further includes a nozzle sealing portion 59; a nozzle seal portion 59 is provided at an upper end face of the sprue bushing 51, the nozzle seal portion 59 having an arc-like configuration. Through setting up nozzle seal 59, guaranteed pouring mechanism 5's leakproofness, make its and the injecting glue machine butt joint back, the molten plastics of pouring can not spill over because of the leakproofness problem, also can not cause the unable normal injection moulding's of mould problem because of loss of pressure to it is higher to have improved whole pouring mechanism 5's structural stability, and then has improved the formability and the shaping quality of injection molding.
In order to further improve the molding quality of the injection molded part, in the injection mold for the automobile plate part provided in this embodiment, further, the connecting corner between the main runner 52 and the sub-runner 54 is in a smooth transition arc-shaped structure. By providing the connecting corner with the smooth transition arc-shaped structure, when the molten plastic is injected from the main runner 52 to each sub-runner 54, the flow energy loss can be reduced to the maximum extent, and the injection molding efficiency of the mold can be further improved.
To sum up, the utility model provides an injection mold for automobile plate parts, on one hand through set up reposition of redundant personnel mechanism in the sprue, under the minimum condition of pressure loss, will come the molten plastics from the sprue, more evenly send to corresponding point runner department to improve the shaping quality of injection molding; on the other hand, the provision of a cold sink in the mold cavity makes it possible to store cold condensate from the nozzle during the injection interval and cold melt flow fronts, which prevents these cold charges from entering the mold cavity and affecting the rate of melt filling and the quality of the molded part. It can be seen that, the utility model discloses simple structure, reasonable in design can effectively improve the efficiency that the injection molding process was implemented and the quality of shaping product, and the gating system who has solved existence among the prior art generally has the design unreasonable and arouse the reposition of redundant personnel of melt to meet the phenomenon to the shaping performance and the shaping quality that lead to the injection molding receive the problem of great influence.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (8)
1. An injection mold for automobile plate parts is characterized by comprising a fixed mold component, a movable mold component, a mold core, a mold cavity and a pouring mechanism;
the movable die assembly is movably arranged at the bottom of the fixed die assembly; the core is detachably arranged between the fixed die assembly and the movable die assembly; the cavity is arranged in the fixed die assembly and is arranged on the core; the pouring mechanism penetrates through the fixed die assembly, the mold core and the cavity;
the pouring mechanism comprises a pouring liner, a main runner, a cold material cavity, a plurality of sub-runners and a sub-flow mechanism; the sprue bushing is arranged between the mold core and the cavity in a penetrating mode; the sprue bushing is internally provided with the main runner; the parting surfaces of the mold core and the mold cavity form the arc-shaped cold material hole; the mold core is provided with a plurality of sub-runners, one ends of the sub-runners are arranged at the parting surface and communicated with the cold material holes, and the other ends of the sub-runners are communicated with the mold cavity; the flow distribution mechanism is detachably arranged at the junction of the main runner and the sub-runners.
2. The injection mold for automotive plate parts as claimed in claim 1, wherein the flow dividing mechanism comprises a flow dividing plate; the flow distribution plate is characterized in that the main runner is of a conical structure, the flow distribution plate is detachably arranged at the junction of the main runner and the flow distribution channel and is of a circular plate-shaped structure, the flow distribution plate can be attached to the edge of the main runner, and a plurality of flow distribution holes are uniformly formed in the plate surface of the flow distribution plate.
3. The injection mold for plate parts of automobiles according to claim 2, wherein said flow dividing mechanism further comprises a flow dividing partition plate; the reposition of redundant personnel baffle fixed set up in the bottom intermediate position department of flow distribution plate, the reposition of redundant personnel baffle is platelike structure, the reposition of redundant personnel baffle can with the edge laminating setting of subchannel.
4. The injection mold for the automobile plate part as claimed in claim 1, wherein the cavity is a one-mold two-cavity type cavity, and the sub-runners and the cold material cavities are two and are arranged on two sides of the main runner in a central symmetry manner.
5. The injection mold for plate parts of automobiles as claimed in claim 1, wherein the runner is in a spiral structure and the end of the runner is a point gate.
6. The injection mold for plate parts of automobiles according to claim 1, wherein said pouring mechanism further comprises a positioning ring and a plurality of positioning pins; the top of the fixed die component is provided with an injection gate; the positioning ring is detachably arranged in the pouring gate in a penetrating way through a plurality of positioning pins; the sprue bushing is detachably disposed through the sprue gate.
7. The injection mold for an automobile plate part according to claim 1, wherein the pouring mechanism further comprises a nozzle seal portion; the nozzle sealing part is arranged on the upper end face of the sprue bushing and is of an arc-shaped structure.
8. The injection mold for the automobile plate part as claimed in claim 1, wherein the connecting corner of the main runner and the sub-runner is in a smooth transition arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394197.5U CN213382745U (en) | 2020-10-23 | 2020-10-23 | Injection mold for automobile plate parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394197.5U CN213382745U (en) | 2020-10-23 | 2020-10-23 | Injection mold for automobile plate parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213382745U true CN213382745U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022394197.5U Active CN213382745U (en) | 2020-10-23 | 2020-10-23 | Injection mold for automobile plate parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213382745U (en) |
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2020
- 2020-10-23 CN CN202022394197.5U patent/CN213382745U/en active Active
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