CN220180051U - Secondary forced demoulding mould - Google Patents
Secondary forced demoulding mould Download PDFInfo
- Publication number
- CN220180051U CN220180051U CN202321206995.8U CN202321206995U CN220180051U CN 220180051 U CN220180051 U CN 220180051U CN 202321206995 U CN202321206995 U CN 202321206995U CN 220180051 U CN220180051 U CN 220180051U
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- CN
- China
- Prior art keywords
- plate
- fixed
- ejector
- needle
- push
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a secondary forced demolding mold, which comprises a fixed mold plate, a push plate, a movable mold plate, square iron, a bottom plate, an ejector pin bottom plate, a return pin, a driver tube inner pin and a side pulling plate. The upper end of the needle return is fixed on the movable template, the lower end of the needle return is connected with the ejector plate, the upper end of the ejector sleeve sequentially penetrates through the movable template and the push plate from bottom to top and then stretches into the cavity, the lower end of the ejector sleeve is fixed on the ejector plate, the upper part of the inner needle of the ejector sleeve sequentially movably penetrates through the ejector plate and the ejector sleeve and then stretches into the cavity, the lower end of the inner needle of the ejector sleeve is fixed on the bottom plate, and the side pull plate is arranged on the outer walls of the fixed template and the push plate. When the die is opened, the side pull plate and the return pin drive the push plate and the ejector pin plate to move forwards, after a certain distance is moved, the push plate is stopped by the push plate limiting column, at the moment, the product is separated from the inner pin of the ejector sleeve, so that the product has a strong separation space, and then, the ejector sleeve is pushed by the ejector pin to separate the product from the thread back-off on the die cavity, so that the demolding of the product is completed, and the damage of the external thread on the product is effectively prevented.
Description
Technical Field
The utility model relates to an injection mold, in particular to a secondary forced demolding mold.
Background
Plastic injection molds are tools for producing plastic products and are very widely used. As shown in fig. 1, an injection molded extraction tube 100 has an inner hole 101 and an outer wall provided with an external thread 102, and is required to be forcibly released during mold opening, and the external thread 102 of the extraction tube 100 is easily damaged when the extraction tube 100 is forcibly released due to the presence of the upper portion of the inner needle of the barrel as a core.
Disclosure of Invention
The utility model aims to provide a secondary forced demolding mold capable of effectively preventing external threads of products from being damaged.
In order to achieve the above object, the technical solution of the present utility model is:
the utility model relates to a secondary forced demolding mold, which comprises a fixed mold plate, a push plate, a movable mold plate, square iron, a bottom plate, an ejector pin bottom plate, a return pin, a barrel inner pin and a side pulling plate;
the fixed die plate, the push plate and the movable die plate are sequentially connected in an abutting mode, the movable die plate is fixed with the bottom plate through square iron, an ejection space is formed between the movable die plate and the bottom plate, the ejector pin plate is fixed with the ejector pin bottom plate and located in the ejection space between the movable die plate and the bottom plate, the upper end of the needle return is fixed on the movable die plate, the lower end of the needle return is connected with the ejector pin plate, the upper end of the needle cylinder sequentially penetrates through the movable die plate and the push plate from bottom to top and stretches into the cavity, the lower end of the needle cylinder is fixed on the ejector pin plate, the upper part of the needle in the needle cylinder sequentially moves through the ejector pin bottom plate and the needle cylinder and stretches into the cavity, the lower end of the needle in the needle cylinder is fixed on the bottom plate, and the side pulling plate is arranged on the outer walls of the fixed die plate and the push plate.
The utility model also comprises a push plate limit column and a limit column screw; the upper portion clearance cover of the spacing post of push pedal is put in fixed die plate and push pedal, and the lower extreme of the spacing post of push pedal is fixed on the movable die plate through the spacing post screw that wears to put on it, and the hanging platform of the spacing post upper portion of push pedal can be leaned on with the ladder face top of the shoulder hole in the push pedal, plays restriction push pedal travel distance's effect.
The utility model also comprises a panel, a hot runner plate and a water gap plate; the panel, the hot runner plate, the water gap plate and the fixed die plate are sequentially fixed together.
The ejector sleeve guide block is fixed on the bottom surface of the movable template, and a guide hole for the ejector sleeve to pass through is formed in the ejector sleeve guide block.
After the scheme is adopted, the ejector sleeve comprises the fixed die plate, the push plate, the movable die plate, the square iron, the bottom plate, the ejector bottom plate, the return pin, the ejector barrel, the ejector inner pin and the side pull plate, when the die is opened, the push plate and the ejector plate are driven to move forwards together by the side pull plate and the return pin, after a certain distance is moved, the push plate limiting column stops the push plate to move forwards, at the moment, a product is separated from the ejector inner pin (core) to enable the product to have a deformation space for strong stripping, and then the ejector rod of the injection molding machine pushes the ejector barrel on the ejector plate to push the product to enable the product to be separated from the thread back-off on the die cavity, so that the die stripping of the product is completed.
The utility model will be further described with reference to the drawings and the specific examples.
Drawings
FIG. 1 is a cross-sectional view of an extraction tube;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an isometric view of the needle in the cartridge of the present utility model disengaged from the product;
fig. 4 is an isometric view of an ejected product of the present utility model.
Detailed Description
As shown in fig. 2, the utility model relates to a secondary forced demolding mold, which comprises a panel 1, a hot runner plate 2, a water gap plate 3, a fixed die plate 4, a push plate 5, a movable die plate 6, square iron 7, a bottom plate 8, an ejector plate 9, an ejector bottom plate 10, a return needle 11, an ejector barrel 12, an ejector barrel inner needle 13, a side pull plate 14, a push plate limiting column 15, a limiting column screw 16 and an ejector barrel guide block 17.
The panel 1, the hot runner plate 2 and the water gap plate 3 are sequentially fixed together, the fixed die plate 4, the push plate 5 and the movable die plate 6 are sequentially connected together in an abutting mode, the movable die plate 6 is fixed with the bottom plate 8 through the square iron 7, an ejection space is formed between the movable die plate 6 and the bottom plate 8, the ejector pin plate 9 and the ejector pin bottom plate 10 are fixed together and positioned in the ejection space between the movable die plate 6 and the bottom plate 8, the upper end of the back needle 11 is fixed on the movable die plate 6, the lower end of the back needle 11 is connected with the ejector pin plate 9, the ejector sleeve guide block 17 is fixed on the bottom surface of the movable die plate 6, the guide hole 171 for the ejector sleeve 12 to pass through is arranged on the ejector sleeve guide block 17, the upper end of the ejector sleeve 12 sequentially passes through the guide hole 171 on the movable die plate 6 and the ejector sleeve guide block 17, the push plate 5 stretches into the cavity after the ejector sleeve 12 is fixed on the ejector pin plate 9, the upper part of the ejector sleeve inner needle 13 is used as a core, the upper part of the ejector sleeve 13 sequentially stretches into the bottom plate 10, the ejector sleeve 12 stretches into the ejector sleeve 12 after the ejector sleeve 12, the lower end of the ejector sleeve 13 is sequentially moves into the step sleeve 15, the step sleeve 15 is fixed on the upper end of the bottom plate 5, the step sleeve 15 is fixed on the top of the top plate 15, and the step sleeve 15 is positioned on the top of the step sleeve 15, and the step sleeve 15 is fixed on the top 5, and the step sleeve 15 is fixed on the top, and the top by the top, and the top.
The working principle of the utility model is as follows:
as shown in fig. 3 and fig. 4 in combination with fig. 1, when the mold is opened, the push plate 5 and the ejector plate 9 are driven to move forward together by the side pull plate 14 and the return needle 11, after a certain distance of movement, the push plate 5 is stopped to move forward by the push plate limiting column 15, at the moment, a product (the extraction tube 100) is separated from the inner needle (the core) 13 of the ejector sleeve, so that the product has a strong deformation space, then, the ejector rod of the injection molding machine pushes the ejector pin base plate 10, the ejector pin base plate 10 pushes the ejector sleeve 12 fixed on the ejector plate 9, the ejector sleeve 12 pushes the product, the product (the extraction tube 100) is separated from the thread back-off 102 on the cavity, and the demolding of the product is completed.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, i.e., the equivalent changes and modifications to the utility model as described in the claims and specification should be considered as falling within the scope of the utility model.
Claims (4)
1. A secondary forced demolding mold is characterized in that: comprises a fixed template, a push plate, a movable template, square iron, a bottom plate, an ejector pin bottom plate, a needle return, a barrel inner needle and a side pulling plate;
the fixed die plate, the push plate and the movable die plate are sequentially connected in an abutting mode, the movable die plate is fixed with the bottom plate through square iron, an ejection space is formed between the movable die plate and the bottom plate, the ejector pin plate is fixed with the ejector pin bottom plate and located in the ejection space between the movable die plate and the bottom plate, the upper end of the needle return is fixed on the movable die plate, the lower end of the needle return is connected with the ejector pin plate, the upper end of the needle cylinder sequentially penetrates through the movable die plate and the push plate from bottom to top and stretches into the cavity, the lower end of the needle cylinder is fixed on the ejector pin plate, the upper part of the needle in the needle cylinder sequentially moves through the ejector pin bottom plate and the needle cylinder and stretches into the cavity, the lower end of the needle in the needle cylinder is fixed on the bottom plate, and the side pulling plate is arranged on the outer walls of the fixed die plate and the push plate.
2. The secondary forced demolding mold according to claim 1, characterized in that: the device also comprises a push plate limit column and a limit column screw; the upper portion clearance cover of the spacing post of push pedal is put in fixed die plate and push pedal, and the lower extreme of the spacing post of push pedal is fixed on the movable die plate through the spacing post screw that wears to put on it, and the hanging platform of the spacing post upper portion of push pedal can be leaned on with the ladder face top of the shoulder hole in the push pedal, plays restriction push pedal travel distance's effect.
3. The secondary forced demolding mold according to claim 1, characterized in that: the device also comprises a panel, a hot runner plate and a water gap plate; the panel, the hot runner plate, the water gap plate and the fixed die plate are sequentially fixed together.
4. The secondary forced demolding mold according to claim 1, characterized in that: the device also comprises a barrel guide block; the ejector sleeve guide block is fixed on the bottom surface of the movable template, and a guide hole for the ejector sleeve to pass through is formed in the ejector sleeve guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206995.8U CN220180051U (en) | 2023-05-18 | 2023-05-18 | Secondary forced demoulding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206995.8U CN220180051U (en) | 2023-05-18 | 2023-05-18 | Secondary forced demoulding mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220180051U true CN220180051U (en) | 2023-12-15 |
Family
ID=89106708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321206995.8U Active CN220180051U (en) | 2023-05-18 | 2023-05-18 | Secondary forced demoulding mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220180051U (en) |
-
2023
- 2023-05-18 CN CN202321206995.8U patent/CN220180051U/en active Active
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