CN216544418U - Anti-sticking structure of multi-color mold - Google Patents
Anti-sticking structure of multi-color mold Download PDFInfo
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- CN216544418U CN216544418U CN202122597295.3U CN202122597295U CN216544418U CN 216544418 U CN216544418 U CN 216544418U CN 202122597295 U CN202122597295 U CN 202122597295U CN 216544418 U CN216544418 U CN 216544418U
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Abstract
The utility model relates to the technical field of dies, in particular to a multicolor die anti-sticking structure, which comprises: a fixed mould frame; moving the mold frame; the movable mold ejection plate is arranged on one side, away from the fixed mold frame, of the movable mold frame; the movable mould pull needle is arranged on the movable mould ejector plate and extends to a molding cavity of the mould for ejecting the injection molding; the lapping structure is arranged between the movable mold ejector plate and the fixed mold frame, so that the movable mold ejector plate is limited by the fixed mold frame, and the movable mold ejector plate and the movable mold frame generate relative displacement; the utility model relates to a fixed die structure, which comprises a fixed die cavity, a movable die ejector plate, a fixed die ejector plate and a fixed die ejector plate.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an anti-sticking structure of a multicolor mold.
Background
Along with diversification and complex development of the structure of the car lamp products, the structure of the injection mold is also gradually complicated. The smooth molding of the product can be realized, and the defects of the product are reduced to the maximum extent. The mold release control is an important factor in stabilizing the production. The common anti-sticking structure cannot completely improve and avoid the sticking phenomenon, and the repeated action of the common structure mold can cause the phenomena of pouring gates and product upwarping in the production process.
For example, in the double-injection molding, because the movable mold is alternately matched with the fixed mold of each station, the product is generally required to be left on the movable mold after the first injection is finished, and the product is left on the fixed mold after the second injection is finished, so that the movable mold can conveniently perform the next first injection; (1) if the sprue or the runner of the first injection is arranged on the movable die, the product after the first injection is remained on the movable die, so that the product is remained on the movable die, the product can be conveniently moved to a second injection station by the movable die for molding, but after the second injection is finished, the product can be remained on the movable die or even part of the product is adhered to the movable die, and the movable die is inconvenient to circulate; (2) if the product is left on the fixed die when the second injection demolding is convenient, the first injection sprue or runner is arranged on the fixed die, so that the sprue and the product fall off after the first injection or are stuck on the fixed die and cannot be subjected to secondary molding, the next step is carried out, no glue sealing surface is generated, the material is leaked to other structural areas, the die is damaged, and the like, thereby influencing qualified parts and the delivery delay condition.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of sticking on a multicolor injection molding movable mold in the prior art, the utility model provides an anti-sticking structure of a multicolor mold, which is used for supporting a product in a movable mold cavity to a fixed mold cavity.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a multicolor mold release structure comprising:
a fixed mould frame;
moving the mold frame;
the movable die ejector plate is arranged on one side, far away from the fixed die frame, of the movable die frame;
the movable mould pull needle is arranged on the movable mould ejector plate and extends to a molding cavity of the mould for ejecting an injection molding piece;
the lapping structure is arranged between the movable mold ejector plate and the fixed mold frame, so that the movable mold ejector plate is limited by the fixed mold frame, and the movable mold ejector plate and the movable mold frame are relatively displaced;
and the disengagement structure is used for disconnecting the lap joint structure after the movable die ejector plate and the movable die frame are positioned and moved.
Further, the mold is a two-color or multi-color injection mold, and the lapping structure can be selectively disabled at one or more injection stations.
Further, the mold comprises N molding cavities, and at least the gates and runners of the first N-1 molding cavities are arranged on the movable mold frame, wherein N is more than or equal to 2.
Further, the overlap joint structure include with the movable mould liftout plate rotate the movable mould pull rod of being connected, the movable mould pull rod rotates along being close to and keeping away from movable mould frame direction, the overlap joint structure still including setting up the pothook cooperation structure between movable mould pull rod and cover half frame, thereby the structure of breaking away from including fixing on the movable mould frame be used for with the movable mould pull rod to keeping away from the movable mould switching regulating block that the direction jack-up pothook cooperation structure of cover half frame was broken away from.
Further, pothook cooperation structure including fixed or integrated into one piece drag hook on the movable mould pull rod, the cover die frame on set up with drag hook complex hook groove or be used for dodging logical groove that the overlap joint structure became invalid, the hook groove be equipped with the knot that is used for the backstop drag hook and hang the step, dodge lead to the groove and extend to the edge adjacent with the movable mould frame of cover die frame.
Furthermore, a lever is fixed on or integrally formed on the movable mold pull rod, and a guide inclined surface for smoothly guiding the lever from the direction close to the movable mold frame to the direction far away from the movable mold frame is arranged on the movable mold opening and closing adjusting block. The lever is guided through the guide inclined plane, and the phenomenon of blocking or jamming is prevented.
Furthermore, a movable mold opening and closing ring is fixed on the movable mold frame, a movable mold opening and closing adjusting block is fixed on the movable mold opening and closing ring, and the position of the movable mold opening and closing adjusting block can be adjusted. Therefore, the moving distance of the movable mould pull needle can be adjusted.
Furthermore, a first reset structure is arranged between the movable die ejection plate and the movable die frame, and the movable die pull rod is connected with a second reset structure which is reset from a position far away from the fixed die frame to a position close to the fixed die frame.
Furthermore, the movable mould liftout plate is fixed with an installation block, the movable mould pull rod is rotatably connected to the installation block, the second reset structure comprises a spring piece, one end of the spring piece is fixed with the installation block, and the other end of the spring piece is fixed with the movable mould pull rod.
Furthermore, the first reset structure comprises a spring arranged between the movable die ejector plate and the movable die frame.
Has the advantages that:
(1) according to the utility model, the movable mold ejection plate and the movable mold frame generate relative displacement through the lap joint structure, so that the movable mold pull needle supports the mold in the movable mold cavity to the fixed mold cavity, thus the mold sticking problem of the movable mold is solved, after the mold is opened, the product is smoothly discharged, the rejection rate is greatly reduced, the stability of the production and processing quality of a production line is guaranteed, meanwhile, the rejection rate is reduced, raw materials can be saved, and the cost is reduced;
(2) the product is finally demoulded on the fixed die, and is not demoulded on the fixed die or the movable die randomly, so that the time for demould or cleaning the product which is finally left on the movable die is reduced, and the production efficiency can be improved;
(3) the utility model provides a combined control of the drag hook on the movable mold pull rod, the buckling step on the fixed mold frame, the movable mold opening and closing adjusting block on the movable mold opening and closing rod and other structural components, so that the movement of the whole mechanism is guaranteed, and the safe and reliable operation is realized;
(4) the mould has N shots, and at least the sprue and the runner of the front N-1 shot are arranged on the movable mould, so that the product can be wrapped on the movable mould for next injection, and after the Nth injection is finished, the movable mould pull needle supports the product in the movable mould cavity to the fixed mould cavity, thereby simultaneously solving the problem of sticking the fixed mould and the movable mould;
(5) the position of the opening and closing adjusting block of the movable die can be adjusted to adapt to different ejection distances of the pull needle of the movable die, so that the universality is good;
(6) the movable mould pull rod, the movable mould opening and closing adjusting block, the draw hook and the like are convenient to process and install, easy to replace, capable of well controlling cost and wide in applicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a front view of a multicolor mold release structure of the present invention;
fig. 2 is a schematic view of an overlapping configuration and a disengaging configuration.
The device comprises a fixed die frame, a movable die ejector plate, a movable die opening and closing rod, a movable die opening and closing adjusting block, 6, a drag hook, 7, a movable die pull rod, 71, a lever, 8, a pull rod spring piece, 9, a first screw, 10, a movable die pull needle, 11, a second screw, 13, a buckling and hanging step, 14, an avoiding through groove, 15 and an installation block.
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.
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. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
Referring to fig. 1-2, a multi-color mold anti-sticking structure comprises: a fixed mold frame 1 and a movable mold frame 2; the mould is characterized by further comprising a movable mould ejector plate 3, wherein the movable mould ejector plate 3 is arranged on one side, far away from the fixed mould frame 1, of the movable mould frame 2; a movable mold pull needle 1 is fixedly arranged on the movable mold ejection plate 3, and a movable mold pull needle 10 extends to a molding cavity of the mold and is used for ejecting an injection molding piece;
a lap joint structure is arranged between the movable mold ejector plate 3 and the fixed mold frame 1, so that the movable mold ejector plate 3 is limited by the fixed mold frame 1, and the movable mold ejector plate 3 and the movable mold frame 2 are relatively displaced; the overlap joint structure includes the movable mould pull rod 7 of being connected with the rotation of movable mould liftout plate 3, and movable mould pull rod 7 rotates along being close to and keeping away from 2 directions of movable mould frame, and the overlap joint structure is still including setting up the pothook cooperation structure between movable mould pull rod 7 and cover half frame 1, pothook cooperation structure including mutually supporting hook and groove or hook and post etc. the hook can set up on the movable mould pull rod, also can set up on the cover half frame, correspond and the structure of hook cooperation can be the groove, also can be card post etc..
The movable mold frame 2 is provided with a disengaging structure, and the disengaging structure disconnects the lap joint structure after the movable mold ejector plate 3 and the movable mold frame 2 are positioned and moved. The releasing structure comprises a movable mold opening and closing adjusting block 5 which is fixed on the movable mold frame 2 and used for jacking the movable mold pull rod 7 in the direction away from the fixed mold frame 1 so as to release the hook matching structure.
A first reset structure is arranged between the movable mold ejector plate 3 and the movable mold frame 2. The first return structure includes a spring provided between the movable die ejector plate 3 and the movable die frame 2.
The mold is a two-color or multi-color injection mold and the overlap structure is selectively deactivated at one or more of the injection stations. The structure is specifically realized in a way that the hook matching structure comprises a drag hook 6 fixed on or integrally formed on a movable mold pull rod 7, a hook groove matched with the drag hook 6 or an avoidance through groove 14 used for lap joint structural failure is arranged on the fixed mold frame 1, the hook groove is provided with a buckling step 13 used for stopping the drag hook 6, and the avoidance through groove 14 extends to the edge of the fixed mold frame 1 adjacent to the movable mold frame 2.
A lever 71 is fixed on the movable die pull rod 7 or integrally formed on the movable die pull rod, and a guide inclined surface for smoothly guiding the lever 71 from the direction close to the movable die frame 2 to the direction far away from the movable die frame 2 is arranged on the movable die opening and closing adjusting block 5.
The movable mold frame 2 is fixed with a movable mold opening and closing rod 4 through a second screw 11, a movable mold opening and closing adjusting block 5 is fixed on the movable mold opening and closing rod 4, and the position of the movable mold opening and closing adjusting block 5 can be adjusted.
The movable mould pull rod 7 is connected with a second reset structure which is reset from a position far away from the fixed mould frame 1 to a position close to the fixed mould frame 1. The movable mould liftout plate 3 is fixed with the installation block 15, specifically, the movable mould liftout plate 3 is fixed with the installation block 15, the movable mould pull rod 7 rotates to be connected on the installation block 15, the second reset structure comprises a pull rod spring piece 8, one end of the pull rod spring piece 8 is fixed with the installation block 15 through a first screw 9, and the other end of the pull rod spring piece is fixed with the movable mould pull rod 7.
The mould comprises N forming cavities, at least the pouring gates and the runners of the front N-1 forming cavities are arranged on a movable mould frame, wherein N is more than or equal to 2, namely the total N of the mould is supposed to be injected, at least the pouring gates and the runners which are injected by the front N-1 are arranged on the movable mould, simultaneously, the lapping structures of the front N-1 injection moulding positions are invalid, the lapping structure of the Nth injection moulding position is effective, so that a product can be wrapped on the movable mould for next injection, and after the Nth injection is finished, the movable mould draws a needle to support the mould to a fixed mould cavity in the movable mould cavity, so that the mould sticking problem of the fixed mould and the movable mould is solved.
The mold of the utility model takes a double-color injection mold as an example, the mold is provided with a cavity A and a cavity B, the cavity A corresponds to one injection, the cavity B corresponds to two injections, movable mold ejector plates are arranged at the positions of the cavity A and the cavity B, a fixed mold frame 1 at the position corresponding to an injection draw hook 6 avoids the gap failure of a lap joint structure by arranging an avoidance through groove 14, the draw hook 6 can not hook the fixed mold frame 1, after the two injection molds are folded, the draw hook 6 buckles a buckling step 13 of the fixed mold frame 1 at the corresponding position, a lever is fixed on a movable mold pull rod 7, after the movable mold ejector plate 3 reaches an effective region (the movable mold pull needle 10 moves to the top safety distance) in the mold opening process, the lever 71 contacts the movable mold opening and closing adjusting block 5 and is jacked up by the movable mold opening and closing adjusting block 5, so that the draw hook 6 is separated, the movable mold pull needle 10 effectively controls the anti-sticking mold and the mold supporting release, the movable mold opening and closing adjusting block 5 is fixed on the movable mold opening and closing rod 4 to control the effective stroke, and the product can be smoothly ejected after the mold is opened to the fixed mold safe region, the pull rod spring piece 8 controls the movable mould pull rod 7 to reset.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. A multicolor mould anti-sticking structure is characterized by comprising:
a fixed mould frame (1);
a movable mould frame (2);
the movable die ejector plate (3) is arranged on one side, far away from the fixed die frame (1), of the movable die frame (2);
the injection molding machine comprises a movable mold pull needle (10), wherein the movable mold pull needle (10) is arranged on a movable mold ejector plate (3), and the movable mold pull needle (10) extends to a molding cavity of a mold and is used for ejecting an injection molding piece;
the lapping structure is arranged between the movable die ejector plate (3) and the fixed die frame (1), so that the movable die ejector plate (3) is limited by the fixed die frame (1) and the movable die ejector plate (3) and the movable die frame (2) are relatively displaced;
and the disengagement structure is used for disconnecting the lap joint structure after the movable die ejector plate (3) and the movable die frame (2) are subjected to set positioning movement.
2. The multicolor mold release structure according to claim 1, wherein: the mould is double-colored or polychrome injection mold, and overlap joint structure optional one or more of them injection station are invalid.
3. The multicolor mold release structure according to claim 1, wherein: the mold comprises N molding cavities, and at least the gates and runners of the front N-1 molding cavities are arranged on the movable mold frame, wherein N is more than or equal to 2.
4. The multicolor mold release structure according to claim 1 or 2, wherein: the overlap joint structure include with movable mould liftout plate (3) rotate movable mould pull rod (7) of being connected, movable mould pull rod (7) are along being close to and keeping away from movable mould frame (2) direction and rotate, the overlap joint structure is still including setting up pothook cooperation structure between movable mould pull rod (7) and fixed mould frame (1), thereby the structure of breaking away from including fixing on movable mould frame (2) be used for with movable mould pull rod (7) to keeping away from the orientation jack-up of fixed mould frame (1) movable mould switching regulating block (5) that pothook cooperation structure breaks away from.
5. The multicolor mold release structure according to claim 4, wherein: pothook cooperation structure including fixed or integrated into one piece drag hook (6) on movable mould pull rod (7), fixed die frame (1) on set up with drag hook (6) complex hook groove or be used for the logical groove (14) of dodging of overlap joint structure inefficacy, the hook groove be equipped with the knot that is used for backstop drag hook (6) and hang step (13), dodge lead to groove (14) extend to fixed die frame (1) with move the edge that die frame (2) are adjacent.
6. The multicolor mold release structure according to claim 4, wherein: the movable mould pull rod (7) is fixedly or integrally formed with a lever (71), and the movable mould opening and closing adjusting block (5) is provided with a guide inclined surface which is used for smoothly guiding the lever (71) from the direction close to the movable mould frame (2) to the direction far away from the movable mould frame (2).
7. The multicolor mold release structure according to claim 6, wherein: the movable mould frame (2) is fixed with a movable mould opening and closing rod (4), the movable mould opening and closing adjusting block (5) is fixed on the movable mould opening and closing rod (4), and the position of the movable mould opening and closing adjusting block (5) can be adjusted.
8. The multicolor mold release structure according to claim 4, wherein: the movable mould ejector plate (3) and the movable mould frame (2) are provided with a first reset structure therebetween, and the movable mould pull rod (7) is connected with a second reset structure which resets from a position far away from the fixed mould frame (1) to a position close to the fixed mould frame (1).
9. The multicolor mold release structure according to claim 8, wherein: the movable mould liftout plate (3) on be fixed with installation piece (15), movable mould pull rod (7) rotate to be connected on installation piece (15), the second reset structure include pull rod spring leaf (8), pull rod spring leaf (8) one end fixed with installation piece (15), the other end is fixed with movable mould pull rod (7).
10. The multicolor mold release structure according to claim 8, wherein: the first reset structure comprises a spring arranged between the movable die ejector plate (3) and the movable die frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597295.3U CN216544418U (en) | 2021-10-27 | 2021-10-27 | Anti-sticking structure of multi-color mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597295.3U CN216544418U (en) | 2021-10-27 | 2021-10-27 | Anti-sticking structure of multi-color mold |
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| Publication Number | Publication Date |
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| CN216544418U true CN216544418U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122597295.3U Active CN216544418U (en) | 2021-10-27 | 2021-10-27 | Anti-sticking structure of multi-color mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255330A (en) * | 2022-07-26 | 2022-11-01 | 无锡锡南科技股份有限公司 | Passive lower ejection device of metal type low-pressure die |
-
2021
- 2021-10-27 CN CN202122597295.3U patent/CN216544418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255330A (en) * | 2022-07-26 | 2022-11-01 | 无锡锡南科技股份有限公司 | Passive lower ejection device of metal type low-pressure die |
| CN115255330B (en) * | 2022-07-26 | 2024-05-24 | 无锡锡南科技股份有限公司 | Passive lower ejection device for metal low-pressure mould |
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