CN216182460U - Damage-free ejection mechanism for mold opening product - Google Patents
Damage-free ejection mechanism for mold opening product Download PDFInfo
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- CN216182460U CN216182460U CN202122600539.9U CN202122600539U CN216182460U CN 216182460 U CN216182460 U CN 216182460U CN 202122600539 U CN202122600539 U CN 202122600539U CN 216182460 U CN216182460 U CN 216182460U
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Abstract
The utility model belongs to the technical field of injection molds, and particularly relates to a damage-free ejection mechanism for mold opening products. The utility model aims to solve the problems that in the prior art, the surface of a product is left with a thimble mark, the product is white, and the appearance of the product is influenced. The utility model provides a damage ejection mechanism is exempted from to mould die sinking product, includes movable mould board and fixed die plate, movable mould board sliding connection has ejection mechanism, be equipped with the runner of moulding plastics in the fixed die plate, have the shaping chamber that is used for the injection moulding product shaping between movable mould board and the fixed die plate, the runner of moulding plastics is linked together with the shaping chamber, ejection mechanism is connected with the push pedal near the one end in shaping chamber, and the slip push pedal can make the push pedal take place line contact or face contact with the injection moulding product that is located the shaping intracavity. According to the utility model, the ejection of the injection product is realized through the push plate, and the push plate is in line contact or surface contact with the injection product.
Description
Technical Field
The utility model belongs to the technical field of injection molds, and particularly relates to a damage-free ejection mechanism for mold opening products.
Background
A plastic mold is a tool which is matched with a plastic molding machine in the plastic processing industry and gives a complete configuration and accurate dimension to a plastic product. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various. After an injection mold in the prior art is opened, an injection product is ejected out by an ejector pin to complete discharging, so that an ejector pin mark is left on the surface of the product, the product is ejected white, and the appearance of the product is influenced.
For example, as shown in fig. 1, the injection molding ejection mechanism in the prior art includes a thimble a, an injection molding product b, an injection molding runner c, and a molding cavity d. When the injection molding mold is used, molten plastic is injected into the molding cavity d through the injection molding runner c, and an injection molding product b is obtained after cooling. After the mold is opened, a force is applied to the injection molding product b by using the thimble a, so that ejection and discharging of the injection molding product b are realized. Therefore, the problems that the surface of the injection molding product is left with the thimble marks and the product is white and the appearance of the product is influenced still exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a damage-free ejection mechanism for a mold opening product, which can not leave an ejector pin mark on the surface of an injection product.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a damage ejection mechanism is exempted from to mould die sinking product, includes movable mould board and fixed die plate, movable mould board sliding connection has ejection mechanism, be equipped with the runner of moulding plastics in the fixed die plate, have the shaping chamber that is used for the injection moulding product shaping between movable mould board and the fixed die plate, the runner of moulding plastics is linked together with the shaping chamber, ejection mechanism is connected with the push pedal near the one end in shaping chamber, and the slip push pedal can make the push pedal take place line contact or face contact with the injection moulding product that is located the shaping intracavity.
In the damage-free ejection mechanism for the mold opening product, the push plate can be in surface contact with the injection product by sliding the push plate.
In the damage-free ejection mechanism for the mold opening product, at least one reinforcing convex eaves protrudes from the side surface of the injection molding product, and the sliding push plate can enable the surface of one side, away from the ejection mechanism, of the push plate to be pressed on the reinforcing convex eaves.
In the damage-free ejection mechanism for the die opening product, the reinforced convex eaves are connected end to form an annular shape.
In foretell mould die sinking product damage-free ejection mechanism, strengthen protruding eaves and be equipped with a plurality of and every and strengthen being parallel to each other between protruding eaves, the runner of moulding plastics is located between two enhancement protruding eaves with the intercommunication locus of shaping chamber.
In the damage-free ejection mechanism for the die opening product, the movable die insert is arranged in the movable die plate, one end of the movable die insert is attached to the forming cavity, and the push plate is connected to the movable die insert in a sliding mode.
In foretell mould die sinking product damage-free ejection mechanism, the movable mould insert and movable mould board swing joint, the one end that the movable mould insert kept away from the die cavity is equipped with spacing portion, the cross-sectional area of spacing portion is greater than the cross-sectional area of movable mould insert, and spacing portion pressure is established on the movable mould board, still including being located the movable mould board and can dismantling the layer board of being connected with the movable mould board, the layer board is pressed and is established in spacing portion.
In foretell mould die sinking product avoids damaging ejection mechanism, ejection mechanism is including taking place to be close to or keep away from ejector pin bottom plate and the thimble panel that the movable mould board removed, thimble panel presses and establishes on ejector pin bottom plate, ejection mechanism still includes a plurality of thimbles, thimble one end is connected on thimble panel, and other end fixed connection is in the push pedal.
In the damage-free ejection mechanism for the die opening product, one push plate is at least connected with two ejector pins, and the ejector pins are uniformly distributed along the circumferential direction of the axial lead of the push plate.
In the damage-free ejection mechanism for the die opening product, the axial leads of the ejector pins are all arranged in parallel.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, the ejection of the injection product is realized through the push plate, and the push plate is in line contact or surface contact with the injection product.
2. In the pushing process of the push plate, the injection molding product can be ejected out in a balanced manner, and the injection molding product cannot be deformed and scratched in the ejection process.
Drawings
FIG. 1 is a cross-sectional view of a prior art ejection structure;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a portion of the structure of the present invention;
in the figure: the injection molding device comprises a movable mold plate 1, an ejection mechanism 2, an injection molding runner 3, a molding cavity 4, a push plate 5, a movable mold insert 6, a limiting part 7, a supporting plate 8, an ejector pin bottom plate 21, an ejector pin panel 22, an ejector pin 23, an injection molding product 100 and a reinforcing ledge 101.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a damage ejection mechanism is exempted from to mould die sinking product, combines fig. 2 and fig. 3 to show, includes movable mould board 1 and fixed die plate (not shown in the figure), 1 sliding connection of movable mould board has ejection mechanism 2, be equipped with the runner 3 of moulding plastics in the fixed die plate, have between movable mould board 1 and the fixed die plate and be used for the fashioned shaping chamber 4 of injection moulding product 100, the runner 3 of moulding plastics is linked together with shaping chamber 4, ejection mechanism 2 is close to the one end in shaping chamber 4 and is connected with push pedal 5, and sliding push pedal 5 can make push pedal 5 and the injection moulding product 100 that is located shaping chamber 4 take place line contact or face contact. Preferably, sliding the push plate 5 allows the push plate 5 to come into surface contact with the injection molded product 100.
When the injection molding machine is used, molten plastic in the injection molding machine is injected into the molding cavity 4 through the injection molding runner 3, and an injection molding product 100 is obtained after cooling. And (3) opening the mold, moving the movable mold plate 1, and moving the ejection mechanism 2 close to the movable mold plate 1 at the moment, so that the push plate 5 is pressed on the injection product 100, and then the ejection of the injection product 100 is realized. Therefore, the ejection of the injection product 100 is realized through the push plate 5, and the push plate 5 and the injection product 100 are in line contact or surface contact, so that compared with the point contact of the ejector rod in the prior art, the problem that the injection product 100 is white at the top can be effectively avoided, and the appearance quality of the injection product 100 is ensured.
As shown in fig. 3, at least one reinforcing ledge 101 protrudes from a side surface of the injection molded product 100, and sliding the push plate 5 can press a side surface of the push plate 5 away from the ejection mechanism 2 on the reinforcing ledge 101. The reinforcing eaves 101 may improve the overall strength of the injection molded product 100. Strengthen protruding eaves 101 and be equipped with a plurality of and every strengthen being parallel to each other between protruding eaves 101, the intercommunication site of moulding plastics runner 3 and shaping chamber 4 is located between two enhancement protruding eaves 101, and the required volume of moulding plastics of both sides that can guarantee the intercommunication site is roughly equal like this, guarantees the homogeneity of moulding plastics.
Preferably, the reinforcing eaves 101 are connected end to end in a ring shape. This ensures uniformity of the reinforcing effect distribution.
As shown in fig. 2, a movable die insert 6 is arranged in the movable die plate 1, one end of the movable die insert 6 is attached to the molding cavity 4, and the push plate 5 is slidably connected to the movable die insert 6. The movable die insert 6 can play a certain guiding role in the sliding of the push plate 5.
Specifically speaking, the movable mould insert 6 is movably connected with the movable mould plate 1, one end, far away from the forming cavity 4, of the movable mould insert 6 is provided with a limiting part 7, the cross sectional area of the limiting part 7 is larger than that of the movable mould insert 6, the limiting part 7 is pressed on the movable mould plate 1, the movable mould plate further comprises a supporting plate 8 which is positioned in the movable mould plate 1 and is detachably connected with the movable mould plate 1, and the supporting plate 8 is pressed on the limiting part 7. Thus, the movable die insert 6 can be conveniently disassembled and assembled.
As shown in fig. 3, the ejection mechanism 2 includes an ejector pin base plate 21 and an ejector pin panel 22 that can move close to or away from the movable mold plate 1, the ejector pin panel 22 is pressed on the ejector pin base plate 21, the ejection mechanism 2 further includes a plurality of ejector pins 23, one end of each ejector pin 23 is connected to the ejector pin panel 22, and the other end of each ejector pin 23 is fixedly connected to the push plate 5.
Preferably, at least two ejector pins 23 are connected to one push plate 5, and the ejector pins 23 are uniformly distributed along the circumferential direction of the axial lead of the push plate 5. This ensures the balance of the push plate 5 when it slides. Therefore, in the pushing process of the push plate 5, the injection product can be ejected out in a balanced manner, and the injection product 100 cannot be deformed and scratched in the ejection process.
Preferably, the axial lines of the thimbles 23 are all parallel to each other. This ensures that the ejection forces are parallel to each other.
The working principle of the utility model is as follows: when the injection molding machine is used, molten plastic in the injection molding machine is injected into the molding cavity 4 through the injection molding runner 3, and the injection molding product 100 is obtained after cooling. And (3) opening the mold, moving the movable mold plate 1, wherein the ejector pin bottom plate 21 and the ejector pin panel 22 both move close to the movable mold plate 1, so that the ejector pin 23 abuts against the push plate 5, the push plate 5 slides relative to the movable mold insert 6, the push plate 5 is pressed on the injection product 100, and the injection product 100 is ejected. Therefore, the ejection of the injection product 100 is realized through the push plate 5, and the push plate 5 and the injection product 100 are in line contact or surface contact, so that compared with the point contact of the ejector rod in the prior art, the problem that the injection product 100 is white at the top can be effectively avoided, and the appearance quality of the injection product 100 is ensured.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms of the movable die plate 1, the ejection mechanism 2, the injection runner 3, the molding cavity 4, the push plate 5, the movable die insert 6, the limiting portion 7, the supporting plate 8, the ejector pin base plate 21, the ejector pin panel 22, the ejector pin 23, the injection product 100, the reinforcing flange 101, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a damage ejection mechanism is exempted from to mould die sinking product, includes movable mould board (1) and fixed die plate, movable mould board (1) sliding connection has ejection mechanism (2), be equipped with in the fixed die plate and mould plastics runner (3), have between movable mould board (1) and the fixed die plate and be used for the fashioned shaping chamber (4) of injection moulding product (100), it is linked together its characterized in that with shaping chamber (4) to mould plastics runner (3): one end of the ejection mechanism (2) close to the molding cavity (4) is connected with a push plate (5), and the push plate (5) can be in line contact or surface contact with an injection molding product (100) in the molding cavity (4) by sliding the push plate (5).
2. The damage-free ejection mechanism for mold-opened products of claim 1, wherein: the push plate (5) can slide to enable the push plate (5) to be in surface contact with the injection molding product (100).
3. The damage-free ejection mechanism for mold-opened products of claim 1, wherein: the side surface of the injection molding product (100) protrudes with at least one reinforced convex brim (101), and the sliding push plate (5) can press the surface of one side of the push plate (5) far away from the ejection mechanism (2) on the reinforced convex brim (101).
4. The damage-free ejection mechanism for mold open products of claim 3, wherein: the reinforced convex eaves (101) are connected end to form a ring shape.
5. The damage-free ejection mechanism for mold open products of claim 3, wherein: strengthen protruding eaves (101) and be equipped with a plurality of and every strengthen being parallel to each other between protruding eaves (101), the intercommunication site of moulding plastics runner (3) and shaping chamber (4) is located between two enhancement protruding eaves (101).
6. The damage-free ejection mechanism for mold-opened products of claim 1, wherein: a movable die insert (6) is arranged in the movable die plate (1), one end of the movable die insert (6) is attached to the forming cavity (4), and the push plate (5) is connected to the movable die insert (6) in a sliding mode.
7. The damage-free ejection mechanism for mold open products of claim 6, wherein: the movable mould insert (6) is movably connected with the movable mould plate (1), one end, far away from the forming cavity (4), of the movable mould insert (6) is provided with a limiting part (7), the cross sectional area of the limiting part (7) is larger than that of the movable mould insert (6), the limiting part (7) is pressed on the movable mould plate (1), the movable mould insert further comprises a supporting plate (8) which is positioned in the movable mould plate (1) and detachably connected with the movable mould plate (1), and the supporting plate (8) is pressed on the limiting part (7).
8. The damage-free ejection mechanism for mold-opened products of claim 1, wherein: the ejection mechanism (2) comprises an ejector pin bottom plate (21) and an ejector pin panel (22) which can move close to or far away from the movable template (1), the ejector pin panel (22) is pressed on the ejector pin bottom plate (21), the ejection mechanism (2) further comprises a plurality of ejector pins (23), one end of each ejector pin (23) is connected to the ejector pin panel (22), and the other end of each ejector pin (23) is fixedly connected to the push plate (5).
9. The damage-free ejection mechanism for mold open products of claim 8, wherein: at least two thimbles (23) are connected to one push plate (5), and the thimbles (23) are evenly distributed along the axial lead circumference of the push plate (5).
10. The damage-free ejection mechanism for mold open products of claim 8, wherein: the axial leads of the thimbles (23) are all arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122600539.9U CN216182460U (en) | 2021-10-27 | 2021-10-27 | Damage-free ejection mechanism for mold opening product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122600539.9U CN216182460U (en) | 2021-10-27 | 2021-10-27 | Damage-free ejection mechanism for mold opening product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216182460U true CN216182460U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122600539.9U Active CN216182460U (en) | 2021-10-27 | 2021-10-27 | Damage-free ejection mechanism for mold opening product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216182460U (en) |
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2021
- 2021-10-27 CN CN202122600539.9U patent/CN216182460U/en active Active
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