CN216968471U - Double-color mold forming and demolding structure - Google Patents
Double-color mold forming and demolding structure Download PDFInfo
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- CN216968471U CN216968471U CN202220447794.6U CN202220447794U CN216968471U CN 216968471 U CN216968471 U CN 216968471U CN 202220447794 U CN202220447794 U CN 202220447794U CN 216968471 U CN216968471 U CN 216968471U
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Abstract
The utility model discloses a double-color mold forming and demolding structure, which comprises a front mold and a rear mold matched with the front mold, wherein the demolding structure is arranged between the front mold and the rear mold, the demolding structure comprises a supporting plate and a warping plate, and the warping plate is driven through the mold opening or mold closing action of the front mold and the rear mold so as to adjust the vertical height of the supporting plate and meet the position requirements of a one-shot and two-shot molded product. Through front mould and back mould die sinking or compound die action for the vertical height of drive wane so that adjust the backup pad, with satisfy the position requirement that one penetrated and two injection moulding products, avoid using the injection molding machine that the mould thickness direction super-thickness that the hydro-cylinder caused is bigger than normal and loose the environmental protection problem that brings with hydraulic pressure, optimize and reduce injection cost and mould process time and reduce mould steel cost.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a double-color mold forming and demolding structure.
Background
The application of the complicated double-color mold demolding mechanism in the injection mold is very common, the demolding of the plastic double-color mold is mainly solved, and the complexity is determined by the structural characteristics required to be realized. In practice, some automobile structure plastic parts have complex characteristics, complex demoulding mechanisms and large moulds, the needed injection moulding machine is correspondingly large, the cost exceeds the expectation, an oil cylinder is needed to drive a sliding block (slide) mechanism to realize the injection moulding machine in the past, the manufacturing cost is high, the size of the mould is additionally increased, and the mass production stability of the mould is reduced. According to the design of a conventional double-color mold mechanism, when a double-color mold product is subjected to secondary injection molding, 8 oil cylinders are required to be designed for the mold to adjust the position, the injection molding machine caused by the fact that the thickness direction of the oil cylinder mold is too thick is large, and the injection molding and mold erecting time is long.
SUMMERY OF THE UTILITY MODEL
The utility model designs a double-color mold forming and demolding structure to solve the technical problems in the background technology.
The specific technical scheme is as follows: the utility model provides a double-colored mould shaping demoulding structure, includes the front mould and with front mould complex back mould, its characterized in that, demoulding structure place in between front mould and the back mould, demoulding structure is including backup pad and wane, through front mould and back mould die sinking or compound die action for the drive wane is so that the vertical height of adjustment backup pad, in order to satisfy the position requirement that one penetrated and two penetrated the shaping product.
According to the further technical scheme, the demolding structure is placed in the mold opening direction of the front mold and the rear mold.
Further technical scheme, the wane sets up oppositely, the backup pad overlap joint to the wane top, wherein at least part overlap joint is in on a wane end.
In a further technical scheme, the two pairs of the warping plates are provided.
According to a further technical scheme, a rotating shaft penetrates through the rocker, and the rocker rotates by taking the rotating shaft as a center.
According to the further technical scheme, during first-time injection, the front die and the rear film are matched, the ejector rod is located in the front die and presses the other end of the rocker plate, so that the rocker plate lifts the support plate by a certain height around the rotating shaft, and the requirement of a first-time injection position is met; and during secondary injection, the front mold and the rear mold are opened, the rear mold rotates 180 degrees, and the ejector rod is only arranged at the position of the front mold for primary injection, the ejector rod is not arranged on the front mold for secondary injection, and the front mold, the rear mold and the rear mold are closed to act an ejector pin and a forced return rod which are pressed on the supporting plate, so that the supporting plate presses the return rocker plate to be flat, and the supporting plate meets the position of secondary injection molding.
The utility model has the advantages of
Use the technical scheme of the utility model, including the front mould and with front mould complex back mould, demoulding structure places between front mould and back mould, and demoulding structure is including backup pad and wane, through front mould and back mould die sinking or compound die action for the vertical height of drive wane so that adjust the backup pad, in order to satisfy the position requirement that one penetrated and two penetrated the shaping product.
The utility model discloses a mechanical type power, through front mould and back mould die sinking or compound die action for the vertical height of drive wane so that adjust the backup pad, in order to satisfy one and penetrate and two position requirements of penetrating the shaping product, avoid using the injection molding machine that the mould thickness direction super-thickness that the hydro-cylinder caused to bring to be bigger than normal and loose the environmental protection problem of bringing with hydraulic pressure, optimize and reduce injection cost and mould process time and reduce mould steel cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic view of a first-emitting structure according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second-emitting structure according to an embodiment of the present invention.
In the figure: the device comprises a top rod 1, a product 2, a supporting plate 3, a wane 4, an ejector pin 5, a forced return rod 6 and a rotating shaft 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a double-colored mould shaping demoulding structure, including the front mould and with front mould complex back mould (front mould and back mould schematic diagram have been omitted in this figure), demoulding structure place in between front mould and the back mould, demoulding structure is including backup pad 3 and wane 4, through front mould and back mould die sinking or compound die action for drive wane 4 is so that adjust the vertical height of backup pad 3, so as to satisfy the position requirement that one penetrated and two penetrated the shaping product. The traditional mode is using oil cylinder drive, adjusts one and penetrates and two penetrate the product position, increases mould thickness, increases mould cost and process time like this, the utility model discloses a mechanical type power, through front mould and back mould die sinking or compound die action for the vertical height of drive wane so that adjust the backup pad, with satisfying one and penetrating and two and penetrating the position requirement of shaping product, avoid using the injection molding machine that the mould thickness direction overthickness that the hydro-cylinder caused brings to be bigger than normal and loose the environmental protection problem who brings with hydraulic pressure, optimize and reduce injection cost and mould process time and reduce mould steel cost.
In this embodiment, the demolding structure is placed in the mold opening direction of the front mold and the rear mold, and the action of opening or closing the molds is used as the driving force, so that the thickness of the mold is reduced, the oil cylinder is omitted, and the mold cost is reduced.
In this embodiment, as shown in fig. 1 and 2, the rocker 4 is oppositely disposed, and the supporting board 3 is overlapped above the rocker 4, wherein at least a portion of the supporting board is overlapped on one end of the rocker 4, so as to ensure the stability of the supporting board 3.
Specifically, the wane 4 is two pairs, wear to be equipped with pivot 7 in the wane 4, the wane 4 uses pivot 7 to rotate as the center.
This practical product 2 needs twice injection moulding, and product 2 is placed in 3 upper portions of backup pad.
Based on the above, as shown in fig. 1, during a shooting, the front mold and the rear film are matched, the ejector rod 1 is located in the front mold, and the ejector rod 1 presses the other end of the rocker 4, so that the rocker 4 lifts the support plate 3 by a certain height around the rotating shaft 7 (the height of the support plate depends on the product to be actually injected, and no specific height value is defined here), thereby meeting the requirement of a shooting position; as shown in fig. 2, during the second shot, the front mold and the rear mold are opened, the rear mold rotates 180 degrees, the ejector rod 1 is only installed at the position of the first shot front mold of the front mold, the ejector rod 1 is not installed in the second shot front mold, the ejector pin 5 and the forced return rod 6 which are installed on the support plate 3 in a pressing mode during the mold closing action of the front mold, the rear mold and the rear mold enable the support plate 3 to be pressed and returned to the warping plate 4 to be flat, the pressure of the ejector pin 5 and the forced return rod 6 is applied to the support plate 3, and then the two pairs of warping plates 4 which are arranged oppositely rotate inwards around the rotating shaft, so that the height of the support plate 3 is changed, and the position of the second shot molding of the product 2 is met.
The utility model discloses a mechanical type power, through front mould and back mould die sinking or compound die action for drive wane 4 so that adjust the vertical height of backup pad 3, with satisfy one and penetrate and two position requirements of moulding product, the injection molding machine that the mould thickness direction super-thickness of avoiding using the hydro-cylinder to cause is big on the side and looses the environmental protection problem of bringing with hydraulic pressure, optimize and reduce injection cost and mould process time and reduce mould steel cost.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a double-colored mould shaping demoulding structure, includes the front mould and with front mould complex back mould, its characterized in that, demoulding structure place in between front mould and the back mould, demoulding structure is including backup pad and wane, through front mould and back mould die sinking or compound die action for the drive wane is so that the vertical height of adjustment backup pad, in order to satisfy the position requirement that one penetrated and two penetrated the shaping product.
2. The bi-color mold forming and demolding structure as claimed in claim 1, wherein the demolding structure is disposed in a mold opening direction of the front mold and the rear mold.
3. The two-color mold forming and demolding structure as claimed in claim 1, wherein said protruding plates are oppositely disposed, and said supporting plate is overlapped above said protruding plates, wherein at least a portion of said protruding plates is overlapped on one end of said protruding plates.
4. The bi-color mold forming and demolding structure as claimed in claim 3, wherein said seesaw is two pairs.
5. The bi-color mold molding and demolding structure as claimed in claim 4, wherein a rotating shaft penetrates through the rocker, and the rocker rotates around the rotating shaft.
6. The two-color mold forming and demolding structure according to any one of claims 1 to 5, wherein during one-shot molding, the front mold and the rear mold are assembled, the ejector rod is located in the front mold and presses the other end of the rocker plate, so that the rocker plate lifts the support plate by a certain height around the rotating shaft to meet the requirement of a shot position; and during secondary injection, the front mold and the rear mold are opened, the rear mold rotates 180 degrees, and the ejector rod is only arranged at the position of the front mold for primary injection, the ejector rod is not arranged on the front mold for secondary injection, and the front mold, the rear mold and the rear mold are closed to act an ejector pin and a forced return rod which are pressed on the supporting plate, so that the supporting plate presses the return rocker plate to be flat, and the supporting plate meets the position of secondary injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220447794.6U CN216968471U (en) | 2022-03-03 | 2022-03-03 | Double-color mold forming and demolding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220447794.6U CN216968471U (en) | 2022-03-03 | 2022-03-03 | Double-color mold forming and demolding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216968471U true CN216968471U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220447794.6U Active CN216968471U (en) | 2022-03-03 | 2022-03-03 | Double-color mold forming and demolding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216968471U (en) |
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2022
- 2022-03-03 CN CN202220447794.6U patent/CN216968471U/en active Active
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