CN221392033U - Mould auxiliary system and injection mould - Google Patents
Mould auxiliary system and injection mould Download PDFInfo
- Publication number
- CN221392033U CN221392033U CN202323337713.0U CN202323337713U CN221392033U CN 221392033 U CN221392033 U CN 221392033U CN 202323337713 U CN202323337713 U CN 202323337713U CN 221392033 U CN221392033 U CN 221392033U
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- cavity
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- product
- pipeline
- air compressor
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- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 7
- 239000011347 resin Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 239000000498 cooling water Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die auxiliary system, which at least comprises a front die plate, wherein at least one die cavity is arranged in the front die plate, a plurality of vent holes are formed in the die cavity, and stop valves are arranged on the vent holes; the vent hole is respectively connected with the vacuumizing device and the air compression device through a first pipeline; the air compressor also comprises a controller, wherein the controller is connected with the air compressor and the vacuumizing device. According to the scheme, the vent holes with the stop valves are formed in the cavity, under the action of the controller, the cavity is vacuumized through the vacuumizing device, so that the resistance of resin during filling is reduced, the internal stress of a product is reduced, the deformation of the product is avoided, the quality and the color of the product are improved, and the product is further blown through the air compression device, so that the separation of the product and the cavity is facilitated. The utility model also discloses an injection mold, which has the characteristics of small volume and high injection yield.
Description
Technical Field
The utility model belongs to the technical field of injection molds, and particularly relates to a mold auxiliary system and an injection mold.
Background
The plastic mould is a tool matched with a plastic forming machine in the plastic processing industry and endows a plastic product with complete configuration and accurate size. Because of the variety of plastics and the variety of processing methods, the structures of the plastic molding machine and the plastic products are various, and the variety and the structure of the plastic mold are also various. The plastic mould is a tool for producing plastic products, which consists of several sets of parts, which have a forming cavity inside. During injection molding, the mold is clamped on the injection molding machine, molten plastic is injected into the molding cavity, cooled and shaped in the cavity, then the upper mold and the lower mold are separated, the product is ejected out of the mold from the mold cavity through the ejection system, finally the mold is closed again for next injection molding, and the whole injection molding process is circularly performed.
Along with the improvement of living standard of people, the applicant has put forward higher requirements on the quality and appearance of injection products, and has found that in the injection production process, when the injection mold in the prior art fills hot-melt resin into the mold in the production process, the color and luster of the products are uneven or the products deform due to the existence of gas in the cavity, so that the quality and quality of the products are reduced, the injection efficiency is low, the defective rate is high, and the expectations are not reached.
Disclosure of utility model
In view of all or part of the above-mentioned deficiencies of the prior art, the object of the present utility model is: the auxiliary system for the mold can improve the quality and the color of products, improve the production efficiency of injection products and reduce the difficulty and the cost of mold design and manufacture. In order to achieve the above purpose, the present utility model provides the following technical solutions: a mold assist system comprising at least a front mold plate; at least one cavity is arranged in the front template, the cavity is provided with a plurality of vent holes, and stop valves are arranged on the vent holes; the vent hole is respectively connected with the vacuumizing device and the air compression device through a first pipeline; the air compressor also comprises a controller, wherein the controller is connected with the air compressor and the vacuumizing device.
According to the scheme, the vent holes with the stop valves are formed in the cavity, under the action of the controller, the cavity is vacuumized through the vacuumizing device, so that the resistance of resin during filling is reduced, the internal stress of a product is reduced, the deformation of the product is avoided, the quality and the color of the product are improved, and the product is further blown through the air compression device, so that the separation of the product and the cavity is facilitated.
The rear mold plate is provided with a second pipeline, one end of the second pipeline is connected with a second air compressor, and the other end of the second pipeline is communicated with a through hole on the cavity of the rear mold core.
The second conduit and the rear core cavity are at an acute angle relative to the direction of the injection molding.
The through holes are arranged in pairs on the peripheral wall of the rear die core cavity.
The through holes are symmetrically distributed on the peripheral wall of the rear mold core cavity.
The vacuumizing device is a vacuum generator, and the vacuum generator is connected to one end of the multi-way valve.
The air compression device is an air compressor, and the air compressor is connected to one end of the multi-way valve.
The vent hole forms a certain angle with the inner wall of the cavity.
The vent holes are formed in pairs on the inner wall of the cavity and are symmetrically distributed.
The utility model also provides an injection mold, which comprises the mold auxiliary system. The injection mold has the characteristics of small volume and high injection molding yield.
Compared with the prior art, the utility model has at least the following beneficial effects: according to the scheme, the vent holes with the stop valves are formed in the cavity, under the control of the controller, the cavity is vacuumized through the vacuumizing device, so that the resistance of resin during filling is reduced, the internal stress of a product is reduced, the deformation of the product is avoided, the quality and the color of the product are improved, and the product is further blown through the air compression device, so that the separation of the product and the cavity is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of specific embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic cross-sectional view of a mold assist system of the present utility model;
FIG. 2 is a front mold schematic of a mold assist system of the present utility model;
FIG. 3 is a schematic cross-sectional view of the cavity of FIG. 1;
FIG. 4 is a schematic view of a rear die cut surface of a die assist system of the present utility model;
Reference numerals: the mold comprises a 1-cavity, a 2-vent hole, a 3-first pipeline, a 4-second pipeline, a 5-rear mold core cavity, 501-through holes, a 6-front mold plate, a 7-rear mold plate, an 8-stripper plate and a 9-front mold fixing plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully, and it is apparent that the embodiments described are only some, but not all, of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a mold auxiliary system, which mainly includes a front mold plate 6, a stripper plate 8 and a front mold fixing plate 9, which are sequentially connected; at least one cavity 1 is arranged in the front template 6, the cavity 1 is provided with a glue inlet, the glue inlet is connected with an injection port on a stripper plate 8, and the stripper plate 8 is fixedly connected between the front template 6 and a front template fixing plate 9;
as shown in fig. 3, a plurality of vent holes 2 are arranged at the part of the cavity 1 far away from the injection molding piece, and stop valves are arranged on the vent holes 2; the air vent 2 is connected with a first pipeline 3, one end of the first pipeline 3 is connected to the air vent 2, the other end of the first pipeline is connected with a multi-way valve 4, one port of the multi-way valve is connected with a vacuum pumping device, and the other port of the multi-way valve is connected with an air compression device; the air compression device and the vacuumizing device are connected with the first pipeline 3 through a multi-way valve;
The device also comprises a controller which is connected with the air compression device and the vacuumizing device, wherein the controller is used for controlling the vacuumizing device to vacuumize the die cavity 1 after die assembly, and air is pumped in through the air compression device when an injection product is separated from the die cavity 1, so that the auxiliary product is separated from the die cavity 1; in this embodiment, the vacuumizing device is a vacuum generator, and the vacuum generator is connected with the multi-way valve through a pipeline.
The vacuum generator is used for vacuumizing the die cavity 1 after die combination, so that the internal stress in the die cavity 1 is reduced, hot melt adhesive can enter the die cavity conveniently, the hot melt adhesive can be formed rapidly, and the quality and the color of products are improved; the air compressor is selected as the air compression device, air is pumped in through the air compressor to assist in separating the injection molding product from the cavity 1, so that the stress of the product is reduced, and the deformation is avoided; and the vacuum generator and the air compressor are low in price, small in size and convenient to install, the size of the die is further reduced, and the cost is reduced. In other embodiments, other devices with a vacuum pumping function, such as a vacuum pump, an air pump, etc., may be selected, and will not be described herein. The multi-way valve is a three-way valve, and three valve ports of the three-way valve are respectively connected with the air compression device, the vacuumizing device and the first pipeline 3.
In order to improve the efficiency of evacuation and pumping in gas, the vent holes 2 are provided in pairs in the peripheral wall of the cavity 1. In order to achieve the effect of uniform stress on the injection molding product during blowing, the influence on the running direction of the product caused by overlarge stress in one direction is avoided, and the ventilation holes 2 are symmetrically distributed on the peripheral wall of the cavity 1. The opening direction of the first pipeline 3 connected with the vent hole 2 and the cavity 1 is an acute angle; in a preferred embodiment, the acute angle is 30 ° -60 °; when being the acute angle between first pipeline 3 and the die cavity 2, can assist ejecting to the product fast when making things convenient for air compressor to pump into gas, prevent that a plurality of air vents from forming the convection current, reduced the consumption of the energy, improved efficiency.
As shown in fig. 4, the rear mold plate 7 is provided with a second pipeline 4, one end of the second pipeline 4 is connected with a second air compressor, and the other end of the second pipeline is communicated with a through hole 501 on the rear mold core cavity 5.
The second conduit 4 and the rear mould core channel 5 are at an acute angle with respect to the direction of the injection-moulded part. Through the acute angle setting, can assist ejecting to the product fast when making things convenient for air compressor arrangement pump to go into gas, form the convection current through preventing a plurality of air vents, reduce the consumption of energy, improve efficiency. The rear core cavity 5 is provided with a plurality of through holes 501, and in a preferred embodiment, the through holes 501 are provided in pairs in the peripheral wall of the rear core cavity 5. Through the through holes 501 which are formed in pairs, the force is given in multiple directions when the gas is pumped in, and the deformation of the product is reduced.
In order to achieve even stress on the injection molding product during blowing, the running direction of the product is not influenced by overlarge stress in one direction, and the through holes 501 are symmetrically distributed on the peripheral wall of the rear mold core cavity 5. In this embodiment, in order to reduce the temperature of the mold and assist in the export of the injection molding product, compressed air is introduced into the vent hole 2 through the air compression device when the mold is opened, so that the injection molding product can be cooled and exported rapidly, and the air compressor is arranged on the outer wall of the mold and connected with the multi-way valve through a pipeline. When the mold is in mold opening movement, compressed air is pumped into the vent holes 2 through the air compressor under the action of the controller, the auxiliary product is separated from the cavity 1, and when the injection molding product needs to be ejected out of the rear mold 7 of the mold, the second air compressor on the rear mold 7 works, the auxiliary product is ejected out of the rear mold 7, and stress is reduced; further, the compressed air also plays a role in blowing the product into the manipulator jig, so that the risk of damage to the mold caused by falling of the product into the cavity 1 is reduced.
In order to improve the injection efficiency of the injection product, it is necessary to improve the cooling efficiency of the mold, and therefore, a cooling water channel is provided in the cavity 1, and the cooling water channel is provided on the outer wall of the cavity 1 and abuts against the cavity 1. The cooling water path is annularly wrapped on the outer wall of the cavity 1. The cooling waterway is formed by externally connecting the water inlet and the water outlet to form a waterway circulation, so that water can be recycled, and water resources are saved; the temperature of the cavity 1 is reduced through the cooling water channel, and the injection molding of the injection molding piece is performed as soon as possible, so that the injection molding efficiency and the yield of the product are improved.
Example 2
On the basis of the embodiment 1, the utility model also discloses an injection mold, which comprises the mold auxiliary system provided in the embodiment 1, a front mold, a push plate and a rear mold, wherein the push plate is arranged between the front mold and the rear mold, a cavity 1 and a plurality of vent holes 2 are arranged in the front mold, a rear mold core cavity 5 and a through hole 501 are arranged in the rear mold, and injection molding and stripping of the mold are assisted in the injection process under the action of a mold controller; the injection mold has the characteristics of small volume and high injection molding yield.
The above description of the embodiments is only intended to assist in understanding the method and core idea of the utility model. It should be noted that it will be apparent to those skilled in the art that various improvements and modifications can be made to the present utility model without departing from the principles of the utility model, and such improvements and modifications fall within the scope of the appended claims.
Claims (10)
1. A mold assist system, characterized by: at least comprising a front template (6);
At least one cavity (1) is arranged in the front template (6), the cavity (1) is provided with a plurality of vent holes (2), and stop valves are arranged on the vent holes (2); the vent hole (2) is respectively connected with the vacuumizing device and the air compression device through a first pipeline (3);
the air compressor also comprises a controller, wherein the controller is connected with the air compressor and the vacuumizing device.
2. The mold assist system as recited in claim 1, wherein: the rear mould plate (7) is provided with a second pipeline (4), one end of the second pipeline (4) is connected with a second air compressor, and the other end of the second pipeline is communicated with a through hole (501) in the rear mould core cavity (5).
3. The mold assist system as set forth in claim 2, wherein: the second pipeline (4) and the rear mould core cavity (5) form an acute angle relative to the direction of the injection molding part.
4. A mould auxiliary system according to claim 2 or 3, wherein: the through holes (501) are arranged in pairs on the peripheral wall of the rear die core cavity (5).
5. The mold assist system as recited in claim 4, wherein: the through holes (501) are symmetrically distributed on the peripheral wall of the rear die core cavity (5).
6. The mold assist system as recited in claim 1, wherein: the vacuumizing device is a vacuum generator, and the vacuum generator is connected to one end of the multi-way valve.
7. The mold assist system as recited in claim 1, wherein: the air compression device is an air compressor, and the air compressor is connected to one end of the multi-way valve.
8. The mold assist system of any of claims 1, 6, or 7, wherein: the vent hole (2) forms a certain angle with the inner wall of the cavity (1).
9. The mold assist system as recited in claim 8, wherein: the vent holes (2) are formed in pairs on the inner wall of the cavity (1) and are symmetrically distributed.
10. An injection mold, characterized in that: a mould assistance system comprising any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323337713.0U CN221392033U (en) | 2023-12-08 | 2023-12-08 | Mould auxiliary system and injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323337713.0U CN221392033U (en) | 2023-12-08 | 2023-12-08 | Mould auxiliary system and injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221392033U true CN221392033U (en) | 2024-07-23 |
Family
ID=91919347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323337713.0U Active CN221392033U (en) | 2023-12-08 | 2023-12-08 | Mould auxiliary system and injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221392033U (en) |
-
2023
- 2023-12-08 CN CN202323337713.0U patent/CN221392033U/en active Active
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| GR01 | Patent grant |