CN216544414U - Anti-vacuum pneumatic auxiliary ejection type injection mold - Google Patents
Anti-vacuum pneumatic auxiliary ejection type injection mold Download PDFInfo
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- CN216544414U CN216544414U CN202122460536.XU CN202122460536U CN216544414U CN 216544414 U CN216544414 U CN 216544414U CN 202122460536 U CN202122460536 U CN 202122460536U CN 216544414 U CN216544414 U CN 216544414U
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Abstract
The utility model relates to an anti-vacuum pneumatic auxiliary ejection type injection mold, which comprises: the mold comprises an upper mold and a lower mold, a molding mold cavity is formed between the upper mold and the lower mold, the bottom of the lower mold is movably connected with a top plate, a barrel driving assembly corresponding to the molding mold cavity is connected onto the top plate, a molding insert is arranged at the top of the barrel driving assembly, a water path core is arranged in the barrel driving assembly, and a ventilation module used for ventilating the molding mold cavity to relieve the vacuum state in the molding mold cavity is arranged in the water path core. After the injection molding is completed, water is introduced into the mold through the waterway core to cool the interior of the mold, so that a product is molded, and meanwhile, the ventilation module is used for ventilating the interior of the molding cavity, so that the vacuum state in the molding cavity is relieved, the product is prevented from generating vacuum adsorption when being ejected to cause ejection deformation of the product, the size precision and the performance of a finished product are improved, and the mold is simple in structure, low in cost and easy for batch production.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an anti-vacuum pneumatic auxiliary ejection type injection mold.
Background
The injection mold is a core device for injection molding, and in order to ensure the injection molding quality of a product, a vacuum interval is formed in a mold cavity in the mold closing and injection molding process of the injection mold, and the product is easily adsorbed in the mold cavity after being ejected after injection molding is completed, so that the ejection deformation of the product is caused, and the size precision and the use function of the product are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the vacuum-proof pneumatic auxiliary ejection type injection mold which has the advantage of preventing the performance of products from being influenced by vacuum adsorption generated during ejection of the products.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
an anti-vacuum pneumatically assisted ejection injection mold comprising: the mold comprises an upper mold and a lower mold, a molding mold cavity is formed between the upper mold and the lower mold, the bottom of the lower mold is movably connected with a top plate, a barrel driving assembly corresponding to the molding mold cavity is connected onto the top plate, a molding insert is arranged at the top of the barrel driving assembly, a water path core is arranged in the barrel driving assembly, and a ventilation module used for ventilating the molding mold cavity to relieve the vacuum state in the molding mold cavity is arranged in the water path core.
According to the technical scheme, after injection molding is completed, water is introduced through the waterway core to cool the interior of the mold, so that a product is molded, and meanwhile, the ventilation module is used for ventilating the interior of the molding cavity, so that the vacuum state in the molding cavity is relieved, the product is prevented from generating vacuum adsorption when being ejected to cause ejection deformation of the product, the size precision and the performance of a finished product are improved, and the mold is simple in structure, low in cost and easy to produce in batches.
As a preferable aspect of the present invention, the ventilation module includes: the water channel core comprises a first air inlet channel arranged in the water channel core and a second air inlet channel arranged on the top plate and communicated with the first air inlet channel, and the first air inlet channel is communicated with a fit clearance between the forming insert and the water channel core.
According to the technical scheme, the first air inlet channel is connected with the external air source, the external air source is used for ventilating the first air inlet channel, and after the second air inlet channel overflows into a fit clearance between the molding insert and the waterway core, the second air inlet channel finally enters the molding cavity to relieve the vacuum state in the molding cavity, so that the product is prevented from being adsorbed in the molding cavity.
As a preferable aspect of the present invention, a cooling water path is provided between the water path core and the barrel assembly.
Realize above-mentioned technical scheme, supply the cooling water through the cooling water route and flow, realize the cooling to the mould.
In a preferred embodiment of the present invention, the waterway core is provided at upper and lower ends thereof with sealing rings which are sealingly connected to the barrel assembly.
By the technical scheme, the sealing performance is improved, and the performance of the product is improved.
In conclusion, the utility model has the following beneficial effects:
the embodiment of the utility model provides an anti-vacuum pneumatic auxiliary ejection type injection mold, which comprises: the mold comprises an upper mold and a lower mold, a molding mold cavity is formed between the upper mold and the lower mold, the bottom of the lower mold is movably connected with a top plate, a barrel driving assembly corresponding to the molding mold cavity is connected onto the top plate, a molding insert is arranged at the top of the barrel driving assembly, a water path core is arranged in the barrel driving assembly, and a ventilation module used for ventilating the molding mold cavity to relieve the vacuum state in the molding mold cavity is arranged in the water path core. After the injection molding is completed, water is introduced into the mold through the waterway core to cool the interior of the mold, so that a product is molded, and meanwhile, the ventilation module is used for ventilating the interior of the molding cavity, so that the vacuum state in the molding cavity is relieved, the product is prevented from generating vacuum adsorption when being ejected to cause ejection deformation of the product, the size precision and the performance of a finished product are improved, and the mold is simple in structure, low in cost and easy for batch production.
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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. an upper die; 2. a lower die; 3. molding a mold cavity; 4. a top plate; 5. a barrel component; 51. forming the insert; 52. a waterway core; 53. a cooling water path; 54. a seal ring; 6. a ventilation module; 61. a first air intake passage; 62. a second intake passage.
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. 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.
Examples
An anti-vacuum pneumatically assisted ejection injection mold, as shown in fig. 1, comprising: the mold comprises an upper mold 1 and a lower mold 2, a forming mold cavity 3 is formed between the upper mold 1 and the lower mold 2, the bottom of the lower mold 2 is movably connected with a top plate 4, a cylinder component 5 corresponding to the forming mold cavity 3 is connected onto the top plate 4, a forming mold insert 51 is arranged at the top of the cylinder component 5, a water path mold core 52 is arranged in the cylinder component 5, and a ventilation module 6 used for ventilating the forming mold cavity 3 to relieve the vacuum state in the forming mold cavity 3 is arranged in the water path mold core 52.
Specifically, the ventilation module 6 includes: a first air inlet channel 61 arranged in the waterway core 52, and a second air inlet channel 62 arranged on the top plate 4 and communicated with the first air inlet channel 61, wherein the first air inlet channel 61 is communicated with a fit clearance between the forming insert 51 and the waterway core 52; the first air inlet channel 61 is connected with an external air source, and after the external air source ventilates the first air inlet channel 61, the air overflows into a matching gap between the molding insert 51 and the waterway core 52 through the second air inlet channel 62, and finally enters the molding cavity 3 to relieve the vacuum state in the molding cavity, so that the product is prevented from being adsorbed in the molding cavity.
A cooling water path 53 is arranged between the water path core 52 and the barrel component 5, the cooling water path 53 is used for cooling water to flow, so that the mold is cooled, and the upper end and the lower end of the water path core 52 are provided with sealing rings 54 which are hermetically connected with the barrel component 5, so that the sealing performance is improved, and the performance of the product is improved.
After the injection molding is finished, water is introduced into the mold through the waterway core 52 to cool the interior of the mold, so that a product is molded, and meanwhile, the ventilation module 6 is used for ventilating the interior of the molding mold cavity 3, so that the vacuum state in the molding mold cavity 3 is relieved, the product is prevented from generating vacuum adsorption when being ejected to cause ejection deformation of the product, the size precision and the performance of a finished product are improved, and the mold is simple in structure, low in cost and easy for batch production.
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 utility model. 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 (4)
1. An anti-vacuum pneumatic auxiliary ejection type injection mold is characterized by comprising: the mold comprises an upper mold and a lower mold, a molding mold cavity is formed between the upper mold and the lower mold, the bottom of the lower mold is movably connected with a top plate, a barrel driving assembly corresponding to the molding mold cavity is connected onto the top plate, a molding insert is arranged at the top of the barrel driving assembly, a water path core is arranged in the barrel driving assembly, and a ventilation module used for ventilating the molding mold cavity to relieve the vacuum state in the molding mold cavity is arranged in the water path core.
2. The vacuum-resistant pneumatically-assisted ejection injection mold of claim 1, wherein the vent module comprises: the water channel core comprises a first air inlet channel arranged in the water channel core and a second air inlet channel arranged on the top plate and communicated with the first air inlet channel, and the first air inlet channel is communicated with a fit clearance between the forming insert and the water channel core.
3. The vacuum-resistant pneumatically assisted ejector injection mold of claim 2 wherein a cooling water path is provided between the water path core and the barrel assembly.
4. The vacuum-proof pneumatic assisted ejection injection mold according to claim 3, wherein the upper end and the lower end of the waterway core are provided with sealing rings which are in sealing connection with the barrel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122460536.XU CN216544414U (en) | 2021-10-13 | 2021-10-13 | Anti-vacuum pneumatic auxiliary ejection type injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122460536.XU CN216544414U (en) | 2021-10-13 | 2021-10-13 | Anti-vacuum pneumatic auxiliary ejection type injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216544414U true CN216544414U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122460536.XU Active CN216544414U (en) | 2021-10-13 | 2021-10-13 | Anti-vacuum pneumatic auxiliary ejection type injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216544414U (en) |
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2021
- 2021-10-13 CN CN202122460536.XU patent/CN216544414U/en active Active
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