CN211221852U - Injection mold for header board with buffering way - Google Patents

Injection mold for header board with buffering way Download PDF

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Publication number
CN211221852U
CN211221852U CN201922183105.6U CN201922183105U CN211221852U CN 211221852 U CN211221852 U CN 211221852U CN 201922183105 U CN201922183105 U CN 201922183105U CN 211221852 U CN211221852 U CN 211221852U
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China
Prior art keywords
buffer
buffer block
injection mold
wall
spacing groove
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CN201922183105.6U
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Chinese (zh)
Inventor
夏云松
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Changzhou Boteng Precision Machinery Co ltd
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Changzhou Boteng Precision Machinery Co ltd
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Priority to CN201922183105.6U priority Critical patent/CN211221852U/en
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Abstract

The utility model discloses an injection mold for header board with buffering way, including cover half, buffer and shedder, the upper surface sliding connection of cover half has the movable mould, and buffer includes buffer block, dashpot and cushion pad, and the spacing groove has been seted up to the interior roof of movable mould, and the buffer block is trapezoidal cylindricly, and the lateral wall fixedly connected with dead lever of buffer block, the last fixed surface of dead lever connect in the inner wall of spacing groove, the surface and the spacing groove adaptation of buffer block, and the inside wall of spacing groove is formed with the buffering way with the lateral wall of buffer block. This injection mold for header board with buffering way, the buffering way that the spacing groove cooperation formed through the lateral wall that sets up the buffer block and set up at the bottom wall in the movable mould, cushion the speed reduction to the plastics melt that pours into the mouth of moulding plastics, and increase the open area that the melt flowed into the model chamber through the trapezoidal cylindrical structure of buffer block to have the characteristics that prevent that the plastics melt velocity of flow from producing the outward appearance influence to the product surface at the excessive speed.

Description

Injection mold for header board with buffering way
Technical Field
The utility model relates to an automotive mold technical field, more specifically say, it relates to an injection mold for header board with buffering way.
Background
The mould is indispensable technological equipment in modern industry, especially industries such as automobile, radio, aviation, motor and electrical appliances, instruments, daily necessities and the like; the runner system of the injection mold is a flow channel from a nozzle of an injection machine to a cavity; in the injection molding process, plastic melt enters a mold cavity through a runner system, namely a nozzle, a runner and a sprue, and the design quality of the runner system has very important influence on the quality and production efficiency of injection molded parts;
in the injection molding process of a pouring channel structure of the existing injection mold, when a plastic melt passes through a runner, the plastic melt generally directly passes through a main runner and then is directly injected; the flow rate of the fluid is high, the pressure of the fluid is high, and finally, stamping marks can be left on the product, particularly when some transparent injection molding workpieces are produced, the stamping marks are more obvious, the quality and the appearance of the product are affected, and the quality and the leakage of the product are concerned for consumers.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an injection mold for header board with buffering way, it has the characteristics that prevent that the plastics melt velocity of flow from producing the outward appearance influence to the product surface at the excessive speed.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an injection mold for header board with buffering is said, including the cover half, buffer and shedder, the upper surface sliding connection of cover half has the movable mould, buffer includes the buffer block, dashpot and cushion pad, the spacing groove has been seted up to the interior roof of movable mould, the buffer block is trapezoidal cylindricly, the lateral wall fixedly connected with dead lever of buffer block, the last fixed surface of dead lever is connected in the inner wall of spacing groove, the surface and the spacing groove adaptation of buffer block, the inside wall of spacing groove is formed with the buffering way with the lateral wall of buffer block.
Furthermore, a mold cavity is formed at the upper end of the fixed mold and the lower end of the movable mold, an injection molding opening is formed in the upper surface of the movable mold, and a runner is formed in the top of the movable mold.
Through the technical scheme, the melt is injected into the flow channel through the injection molding port, so that the quality of a product is ensured.
Furthermore, the runner communicates the injection molding port and the limiting groove, the limiting groove is located under the runner, and the side wall of the runner is provided with a buffer groove.
Through the technical scheme, the limiting groove is formed in the inner bottom wall of the movable mould, so that the buffer groove is preliminarily formed.
Furthermore, the inner wall of the buffer groove inclines towards the flow channel, the upper surface of the buffer block is fixedly connected with the buffer table, and the lower surface of the buffer table is matched with the upper surface of the buffer block.
Through above-mentioned technical scheme, utilize to set up at the lateral wall of runner and to runner sloping groove dashpot for when the mouth of moulding plastics pours into the melt too much, can pack to the dashpot, prevent that the melt from overflowing.
Furthermore, the top of the buffer table is conical, and the buffer table is positioned right below the flow channel.
Through above-mentioned technical scheme, the barrel direct contact in utilization is cylindric buffering platform and the runner prevents to prevent through the inclined plane of circular cone that the solution splashes and remains on buffering platform surface.
Further, the demoulding device comprises a demoulding rod and an electric telescopic rod, the inner wall of the fixed mould is fixedly connected with the demoulding rod, and the lower surface of the fixed mould is fixedly connected with the supporting plate.
Through the technical scheme, the inner wall of the fixed die is fixedly connected with the demoulding rod, and the product is ejected out through the demoulding rod, so that the product can be taken out conveniently.
Furthermore, the upper surface of the supporting plate is fixedly connected with the lower surface of the demoulding rod, the bottom of the supporting plate is fixedly connected with an electric telescopic rod, and the bottom of the electric telescopic rod is fixedly connected with a base.
Through the technical scheme, the electric telescopic rod is used for replacing manpower to push the demoulding rod to eject the product, so that a large amount of manpower is saved, and meanwhile, the safety guarantee of workers is improved.
To sum up, the utility model discloses following beneficial effect has:
1. through the lateral wall that sets up the buffer block and the buffering way that the spacing groove cooperation that the wall was seted up in the movable mould formed, cushion the speed reduction to the plastics melt that pours into the mouth of moulding plastics, and increase the open area that the melt flowed into the model chamber through the trapezoidal cylindrical structure of buffer block to have the characteristics that prevent that the plastics melt velocity of flow from producing the outward appearance influence to the product surface at the excessive speed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the area A of the present invention;
fig. 3 is a schematic diagram of the structure of the buffer block of the present invention.
In the figure: 1. fixing a mold; 2. moving the mold; 3. a buffer block; 4. a buffer tank; 5. a buffer table; 6. a limiting groove; 7. fixing the rod; 8. a buffer lane; 9. a mold cavity; 10. an injection molding port; 11. a flow channel; 12. a stripper bar; 13. an electric telescopic rod; 14. a support plate; 15. a base.
Detailed Description
Example (b):
the present invention will be described in further detail with reference to the accompanying fig. 1-3.
An injection mold with a buffer channel for an automobile instrument board is shown in figures 1-3 and comprises a fixed mold 1, a buffer device and a demolding device, wherein the upper surface of the fixed mold 1 is connected with a movable mold 2 in a sliding mode, the buffer device comprises a buffer block 3, a buffer groove 4 and a buffer table 5, a limit groove 6 is formed in the inner top wall of the movable mold 2, the buffer block 3 is in a trapezoidal cylindrical shape, a fixed rod 7 is fixedly connected to the side wall of the buffer block 3, the upper surface of the fixed rod 7 is fixedly connected to the inner wall of the limit groove 6, the surface of the buffer block 3 is matched with the limit groove 6, and a buffer channel 8 is formed between the inner side wall of the limit groove 6 and;
as shown in fig. 1-3, a mold cavity 9 is formed at the upper end of the fixed mold 1 and the lower end of the movable mold 2, an injection port 10 is formed on the upper surface of the movable mold 2, a runner 11 is formed at the top of the movable mold 2, the runner 11 communicates with the injection port 10 and a limiting groove 6, the limiting groove 6 is located right below the runner 11, a buffer groove 4 is formed on the side wall of the runner 11, the inner wall of the buffer groove 4 inclines towards the runner 11, a buffer table 5 is fixedly connected to the upper surface of the buffer block 3, the lower surface of the buffer table 5 is matched with the upper surface of the buffer block 3, the top of the buffer table 5 is conical, and the buffer table 5 is located right below the runner 11;
as shown in fig. 1-3, the demolding device includes a demolding rod 12 and an electric telescopic rod 13, the inner wall of the fixed mold 1 is fixedly connected with the demolding rod 12, the lower surface of the fixed mold 1 is fixedly connected with a supporting plate 14, the upper surface of the supporting plate 14 is fixedly connected with the lower surface of the demolding rod 12, the bottom of the supporting plate 14 is fixedly connected with the electric telescopic rod 13, the bottom of the electric telescopic rod 13 is fixedly connected with a base 15, and the electric telescopic rod 13 is of a CNXCI brand and an XC800 model.
Through the lateral wall that sets up buffer block 3 and the buffer way 8 that 6 cooperation of spacing grooves that the wall was seted up in movable mould 2 formed, cushion the speed reduction to the plastics melt that pours into mouth 10 into, and increase the opening area that the melt flowed into model chamber 9 through the trapezoidal cylindrical structure of buffer block 3 to have the characteristics that prevent that the plastics melt velocity of flow from producing the outward appearance influence to the product surface at the excessive speed.
The working principle is as follows:
the fixed die 1 and the movable die 2 of the prepared injection die are closed, a power supply of an electric telescopic rod 13 is connected to the world, a melt is injected into a die cavity 9 through an injection port 10, the melt flows through a runner 11 and is in contact with a buffer table 5, and flows into the die cavity 9 through a buffer channel 8, when the injected melt is too fast, the melt is accumulated in the runner 11, the accumulated melt overflows into a buffer groove 4 while flowing to the buffer channel 8, so that the overflow of the melt to the injection port 10 is reduced, after the melt is completely injected into the die cavity 9, the melt is cooled and fixed, and after the product is cooled, a demoulding rod 12 is controlled to jack through the electric telescopic rod 13, so that the product is ejected.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides an injection mold for header board with buffering way, includes cover half (1), buffer and shedder, its characterized in that: the upper surface sliding connection of cover half (1) has movable mould (2), buffer includes buffer block (3), dashpot (4) and buffer stage (5), spacing groove (6) have been seted up to the interior roof of movable mould (2), buffer block (3) are trapezoidal cylindric, the lateral wall fixedly connected with dead lever (7) of buffer block (3), the last fixed surface of dead lever (7) connects in the inner wall of spacing groove (6), the surface and spacing groove (6) adaptation of buffer block (3), the inside wall of spacing groove (6) is formed with buffering way (8) with the lateral wall of buffer block (3).
2. The injection mold for automobile instrument panels with a buffer passage as claimed in claim 1, wherein: the upper end of cover half (1) and the lower extreme of movable mould (2) are formed with model chamber (9), the mouth (10) of moulding plastics has been seted up to the upper surface of movable mould (2), runner (11) have been seted up at the top of movable mould (2).
3. The injection mold for automobile instrument panels with a buffer passage as claimed in claim 2, wherein: the runner (11) communicates the injection molding port (10) and the limiting groove (6), the limiting groove (6) is located under the runner (11), and the side wall of the runner (11) is provided with the buffer groove (4).
4. The injection mold for automobile instrument panels with a buffer passage as claimed in claim 3, wherein: the inner wall of buffer slot (4) inclines to runner (11), the last fixed surface of buffer block (3) is connected with buffer stage (5), the lower surface of buffer stage (5) and the upper surface adaptation of buffer block (3).
5. The injection mold for automobile instrument panels with a buffer passage as claimed in claim 4, wherein: the top of the buffer table (5) is conical, and the buffer table (5) is located right below the flow channel (11).
6. The injection mold for automobile instrument panels with a buffer passage as claimed in claim 1, wherein: the demolding device comprises a demolding rod (12) and an electric telescopic rod (13), wherein the inner wall of the fixed mold (1) is fixedly connected with the demolding rod (12), and the lower surface of the fixed mold (1) is fixedly connected with a supporting plate (14).
7. The injection mold for automobile instrument panels with a buffer passage as claimed in claim 6, wherein: the upper surface of backup pad (14) and the lower fixed surface of stripper rod (12) are connected, the bottom fixedly connected with electric telescopic handle (13) of backup pad (14), the bottom fixedly connected with base (15) of electric telescopic handle (13).
CN201922183105.6U 2019-12-09 2019-12-09 Injection mold for header board with buffering way Active CN211221852U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922183105.6U CN211221852U (en) 2019-12-09 2019-12-09 Injection mold for header board with buffering way

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922183105.6U CN211221852U (en) 2019-12-09 2019-12-09 Injection mold for header board with buffering way

Publications (1)

Publication Number Publication Date
CN211221852U true CN211221852U (en) 2020-08-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN211221852U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848168A (en) * 2020-12-09 2021-05-28 蒋俊英 Combined self-ejection demolding injection mold and injection molding process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848168A (en) * 2020-12-09 2021-05-28 蒋俊英 Combined self-ejection demolding injection mold and injection molding process

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