CN210082327U - Single-sprue double-layer superposed mold - Google Patents
Single-sprue double-layer superposed mold Download PDFInfo
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- CN210082327U CN210082327U CN201920361172.XU CN201920361172U CN210082327U CN 210082327 U CN210082327 U CN 210082327U CN 201920361172 U CN201920361172 U CN 201920361172U CN 210082327 U CN210082327 U CN 210082327U
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Abstract
The utility model relates to a double-deck superimposed type mould of single runner, include: the hot runner system comprises a fixed die base and movable die bases positioned at two ends of the fixed die base, wherein a molding die cavity is formed between the fixed die base and the movable die bases, a hot runner system is arranged on the fixed die base, and a valve head of the hot runner system is communicated with the molding die cavity; the first ejection mechanism is arranged on the movable die holder; the second ejection mechanism is arranged on one side of the movable die holder, which is positioned on the first ejection mechanism; and the blowing port is arranged on the movable die holder, the blowing port is communicated with the bottom of the first ejection cylinder, and the blowing height of the second ejection cylinder is lower than that of the first ejection cylinder. Because the first supporting piece and the third supporting piece are supported on the edge of the product, the product can be more conveniently demoulded, demoulding is carried out through twice ejection processes, the mould space is greatly saved, and the yield is doubled through a double-layer mould.
Description
Technical Field
The utility model relates to the technical field of mold, in particular to double-deck stack type mould of single runner.
Background
The cavities of the double-layer superposed mold are distributed on two layers and arranged in an overlapped manner, and the double-layer superposed mold can greatly improve the utilization rate and the production efficiency of equipment and reduce the injection molding cost; at present, a double-layer superposed mold is usually adopted to process the milk powder cover, the edge of the milk powder cover is usually provided with a buckle structure to be matched with a milk powder tank, the traditional ejection type demolding mode is adopted to perform demolding, the buckle structure on the milk powder cover is difficult to separate from the mold, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a double-deck type mould that superposes of single runner has the drawing of patterns advantage convenient more, that improve production efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a single-gate, double-layer, stack mold comprising:
the hot runner system comprises a fixed die base and movable die bases positioned at two ends of the fixed die base, wherein a molding die cavity is formed between the fixed die base and the movable die bases, a hot runner system is arranged on the fixed die base, and a valve head of the hot runner system is communicated with the molding die cavity;
the setting is in first ejection mechanism on the movable mould base, first ejection mechanism includes: the first ejection cylinder is assembled on the movable die holder in a sliding mode, a piston rod of the first ejection cylinder is connected with a first ejecting piece, and the upper end of the first ejecting piece is ejected and supported at one side edge of a product; the second ejection cylinder is assembled on the movable die holder in a sliding mode and is clamped with the first ejection cylinder, the second ejection cylinder is located at a position corresponding to the middle of the product, the clamping position of the second ejection cylinder and the first ejection cylinder is located above the first ejection cylinder, and a piston rod of the second ejection cylinder is connected with a second jacking piece which is jacked with the middle of the product;
the second ejection mechanism is arranged on one side of the first ejection mechanism of the movable die holder and comprises: the third ejection cylinder is clamped with the second ejection cylinder, and the clamping position of the second ejection cylinder and the third ejection cylinder is positioned above the third ejection cylinder; the third ejecting piece is connected to the piston rod of the third ejecting cylinder, and the upper end of the third ejecting piece is ejected to the edge of the other side of the product; and the number of the first and second groups,
and the blowing port is arranged on the movable die holder, the blowing port is communicated with the bottom of the first ejection cylinder, and the blowing height of the second ejection cylinder is lower than that of the first ejection cylinder.
When the technical scheme is realized, plastic raw materials are injected into a forming cavity from a valve head of a hot runner system to form a product during injection molding; during demolding, firstly, the movable mold base moves towards two sides to perform mold opening, then air is supplied to the first ejection cylinder and the second ejection cylinder through the air blowing opening, the air blowing height of the second ejection cylinder is lower than that of the first ejection cylinder, the clamping position of the second ejection cylinder and the first ejection cylinder is located above the first ejection cylinder, at the moment, the first ejection cylinder moves upwards firstly and drives the first ejection piece, the second ejection cylinder and the second ejection piece to move upwards synchronously, meanwhile, the third ejection cylinder drives the third ejection piece to ascend to lift and demold a product, and the first ejection piece and the third ejection piece are supported on the edge of the product, so that demolding of the product is more convenient; then the second ejection cylinder continues to move upwards, so that the product is further ejected out, the material taking is convenient, and the production efficiency is improved; and demolding is carried out through two ejection processes, so that the mold space is greatly saved, and the yield is doubled through a double-layer mold.
As an optimized scheme of the utility model, be equipped with on the first piece that supports and be used for the restriction the ejecting distance of second ejecting cylinder's first locating piece.
As an optimized scheme of the utility model, the third top holder be equipped with the second locating piece of first locating piece looks adaptation.
According to the technical scheme, the stroke of the second jacking piece is limited through the first positioning block and the second positioning block, so that the ejection position of a product is limited.
As an optimized scheme of the utility model, one side of third top holding member still is connected with the fourth top holding member, the fourth top holding member is located the third top holding member with between the second top holding member.
According to the technical scheme, the fourth ejection piece can assist in ejecting the product, so that the demolding process is more convenient.
As a preferred scheme of the utility model, lie in on the movable mould seat one side of first top is equipped with and is used for the restriction the third locating piece of the ejecting distance of first top, lie in on the movable mould seat one side of third top is equipped with the corresponding fourth locating piece of third locating piece.
According to the technical scheme, the ejection heights of the first ejection piece and the third ejection piece can be limited through the third positioning block and the fourth positioning block, and the ejection height of a product is limited.
To sum up, the utility model discloses following beneficial effect has:
the embodiment of the utility model provides a double-deck stack type mould of single runner, when moulding plastics, pour into the shaping product of plastic raw materials into the forming die cavity by the valve head of hot runner system; during demolding, firstly, the movable mold base moves towards two sides to perform mold opening, then air is supplied to the first ejection cylinder and the second ejection cylinder through the air blowing opening, the air blowing height of the second ejection cylinder is lower than that of the first ejection cylinder, the clamping position of the second ejection cylinder and the first ejection cylinder is located above the first ejection cylinder, at the moment, the first ejection cylinder moves upwards firstly and drives the first ejection piece, the second ejection cylinder and the second ejection piece to move upwards synchronously, meanwhile, the third ejection cylinder drives the third ejection piece to ascend to lift and demold a product, and the first ejection piece and the third ejection piece are supported on the edge of the product, so that demolding of the product is more convenient; then the second ejection cylinder continues to move upwards, so that the product is further ejected out, the material taking is convenient, and the production efficiency is improved; and demolding is carried out through two ejection processes, so that the mold space is greatly saved, and the yield is doubled through a double-layer mold.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. fixing a die holder; 11. a hot runner system; 2. a movable die holder; 21. an air blowing port; 22. a third positioning block; 23. a fourth positioning block; 3. molding a mold cavity; 4. a first ejection mechanism; 41. a first ejection cylinder; 411. a first positioning block; 42. a first holding member; 43. a second ejection cylinder; 44. a second holding member; 5. a second ejection mechanism; 51. a third ejection cylinder; 52. a third supporting member; 521. a second positioning block; 53. and a fourth supporting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
A single gate double-layer stack type mold, as shown in fig. 1 to 3, comprising: the hot runner molding die comprises a fixed die holder 1 and movable die holders 2 positioned at two ends of the fixed die holder 1, a molding die cavity 3 is formed between the fixed die holder 1 and the movable die holders 2, a hot runner system 11 is arranged on the fixed die holder 1, and a valve head of the hot runner system 11 is communicated with the molding die cavity 3; the first ejection mechanism 4 is arranged on the movable die holder 2; the second ejection mechanism 5 is arranged on one side of the movable die holder 2, which is positioned on the first ejection mechanism 4; and an air blowing port 21 provided in the movable mold base 2.
Specifically, the first ejection mechanism 4 includes: a first ejection cylinder 41 which is slidably assembled on the movable mold base 2, a piston rod of the first ejection cylinder 41 is connected with a first supporting piece 42, and the upper end of the first supporting piece 42 is supported at one side edge of a product; and a second ejection cylinder 43 slidably assembled to the movable die holder 2 and engaged with the first ejection cylinder 41, wherein the second ejection cylinder 43 is located at a position corresponding to the middle of the product, the engagement position between the second ejection cylinder 43 and the first ejection cylinder 41 is located above the first ejection cylinder 41, and a piston rod of the second ejection cylinder 43 is connected to a second supporting member 44 supported against the middle of the product.
The second ejection mechanism 5 includes: the third ejection cylinder 51 is clamped with the second ejection cylinder 43, and the clamping position of the second ejection cylinder 43 and the third ejection cylinder 51 is positioned above the third ejection cylinder 51; and a third supporting member 52 connected to a piston rod of the third ejecting cylinder 51 and having an upper end supported at the other side edge of the product.
The cylinder sleeves are arranged on one sides of the first ejection cylinder 41 and the third ejection cylinder 51, the air blowing opening 21 is communicated with the bottom of the first ejection cylinder 41, the air blowing height of the second ejection cylinder 43 is lower than that of the first ejection cylinder 41, and the height of the third ejection cylinder 51 is consistent with that of the first ejection cavity, so that the first ejection cylinder 41 and the third ejection cylinder 51 are firstly jacked upwards during air blowing, and the second ejection cylinder 43 is jacked upwards again when the air blowing height is up to the highest position.
Furthermore, the first ejector 42 is provided with a first positioning block 411 for limiting the ejection distance of the second ejection cylinder 43, the third ejector 52 is provided with a second positioning block 521 matched with the first positioning block 411, and the stroke of the second ejector 44 is limited by the first positioning block 411 and the second positioning block 521, so that the ejection position of the product is limited.
Correspondingly, a third positioning block 22 for limiting the ejection distance of the first ejector 42 is arranged on one side of the movable mold base 2 located at the first ejector 42, a fourth positioning block 23 corresponding to the third positioning block 22 is arranged on one side of the movable mold base 2 located at the third ejector 52, and the third positioning block 22 and the fourth positioning block 23 can limit the ejection heights of the first ejector 42 and the third ejector 52 and limit the ejection height of the product.
Furthermore, one side of the third supporting member 52 is connected with a fourth supporting member 53, the fourth supporting member 53 is located between the third supporting member 52 and the second supporting member 44, and the fourth supporting member 53 can assist in ejecting the product, so that the demolding process is more convenient.
During injection molding, a valve head of the hot runner system 11 injects plastic raw materials into the molding cavity 3 to mold products; during demolding, firstly, the movable die holder 2 moves towards two sides to perform die opening, then gas is supplied to the first ejection cylinder 41 and the second ejection cylinder 43 through the gas blowing port 21, the gas blowing height of the second ejection cylinder 43 is lower than that of the first ejection cylinder 41, the clamping position of the second ejection cylinder 43 and the first ejection cylinder 41 is located above the first ejection cylinder 41, at the moment, the first ejection cylinder 41 moves upwards firstly and drives the first ejector 42, the second ejection cylinder 43 and the second ejector 44 to move upwards synchronously, meanwhile, the third ejection cylinder 51 drives the third ejector 52 to ascend to lift and demold the product, and the first ejector 42 and the third ejector 52 are supported on the edge of the product, so that the product demolding is more convenient; then, the second ejection cylinder 43 continues to move upwards, so that the product is further ejected out, the material taking is convenient, and the production efficiency is improved; and demolding is carried out through two ejection processes, so that the mold space is greatly saved, and the yield is doubled through a double-layer mold.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A single-gate double-layer superposed mold is characterized by comprising:
the hot runner system comprises a fixed die base and movable die bases positioned at two ends of the fixed die base, wherein a molding die cavity is formed between the fixed die base and the movable die bases, a hot runner system is arranged on the fixed die base, and a valve head of the hot runner system is communicated with the molding die cavity;
the setting is in first ejection mechanism on the movable mould base, first ejection mechanism includes: the first ejection cylinder is assembled on the movable die holder in a sliding mode, a piston rod of the first ejection cylinder is connected with a first ejecting piece, and the upper end of the first ejecting piece is ejected and supported at one side edge of a product; the second ejection cylinder is assembled on the movable die holder in a sliding mode and is clamped with the first ejection cylinder, the second ejection cylinder is located at a position corresponding to the middle of the product, the clamping position of the second ejection cylinder and the first ejection cylinder is located above the first ejection cylinder, and a piston rod of the second ejection cylinder is connected with a second jacking piece which is jacked with the middle of the product;
the second ejection mechanism is arranged on one side of the first ejection mechanism of the movable die holder and comprises: the third ejection cylinder is clamped with the second ejection cylinder, and the clamping position of the second ejection cylinder and the third ejection cylinder is positioned above the third ejection cylinder; the third ejecting piece is connected to the piston rod of the third ejecting cylinder, and the upper end of the third ejecting piece is ejected to the edge of the other side of the product; and the number of the first and second groups,
and the blowing port is arranged on the movable die holder, the blowing port is communicated with the bottom of the first ejection cylinder, and the blowing height of the second ejection cylinder is lower than that of the first ejection cylinder.
2. The single-gate double-layer stacked die according to claim 1, wherein a first positioning block for limiting the ejection distance of the second ejection cylinder is provided on the first ejector.
3. The single-gate double-layer stacked die according to claim 2, wherein the third supporting member is provided with a second positioning block adapted to the first positioning block.
4. The single-gate double-layer stacked die according to claim 1, 2 or 3, wherein a fourth supporting member is further connected to one side of the third supporting member, and the fourth supporting member is located between the third supporting member and the second supporting member.
5. The single-gate double-layer stack mold according to claim 1, wherein a third positioning block for limiting an ejection distance of the first supporting member is provided on one side of the movable mold base on the first supporting member, and a fourth positioning block corresponding to the third positioning block is provided on one side of the movable mold base on the third supporting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361172.XU CN210082327U (en) | 2019-03-20 | 2019-03-20 | Single-sprue double-layer superposed mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361172.XU CN210082327U (en) | 2019-03-20 | 2019-03-20 | Single-sprue double-layer superposed mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210082327U true CN210082327U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920361172.XU Active CN210082327U (en) | 2019-03-20 | 2019-03-20 | Single-sprue double-layer superposed mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210082327U (en) |
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2019
- 2019-03-20 CN CN201920361172.XU patent/CN210082327U/en active Active
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