CN212422039U - Multipoint glue feeding structure for preventing thin-wall product from deforming - Google Patents
Multipoint glue feeding structure for preventing thin-wall product from deforming Download PDFInfo
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- CN212422039U CN212422039U CN202020794386.9U CN202020794386U CN212422039U CN 212422039 U CN212422039 U CN 212422039U CN 202020794386 U CN202020794386 U CN 202020794386U CN 212422039 U CN212422039 U CN 212422039U
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Abstract
The utility model discloses a multipoint glue feeding structure for preventing deformation of thin-wall products, which comprises a squirt nozzle, a water gap plate, a plurality of flow channels and a plurality of water gap insert pins; the sprue is arranged at the center above the water gap plate, the runners are arranged on the bottom surface of the water gap plate, the sprue, the water gap plate and the runners are communicated, a plurality of openings corresponding to the water gap insert needles are formed in a die cavity of the product die, the openings correspond to the water gaps at the lower ends of the runners, a film glue position is arranged in each opening and is connected with the water gap and the die cavity, and the film glue position is automatically broken when the die is opened. The utility model discloses a multiple spot advances gluey mode, and cooperates the needle is inlayed to the mouth of a river, can improve the defect of current mode of moulding plastics, promotes product quality, overcomes advancing gluey mode among the prior art and makes the technical problem that the product warp, shrink, size NG, cloak, fracture etc. easily to reduction in production cost.
Description
Technical Field
The utility model relates to an injection mold technical field, in particular to prevent that multiple spot that thin wall product warp from advancing gluey structure.
Background
In the injection molding industry, a nozzle is a joint between a frame and a part formed when a mold is poured in a factory, and is also called a "sprue", which is an inlet and an outlet for molten plastic to flow.
The existing products adopt open water gaps, single/double/4/6 point glue feeding or oxhorn glue feeding, and plastic injection products adopting the glue feeding modes have residual water gaps after injection molding is finished, the water gaps need manual shearing, the appearance of the products cannot meet the requirements, the products shrink, have more cloaks, are easy to break, and are difficult to control in size.
For example: the glue feeding mode of the open nozzle is that the nozzle is connected with a product, needs to be cut by using a pair of shearing pliers, is slow to operate, is difficult to be cut flat and neat, cannot ensure that the product cannot deform, and cannot meet the requirement on appearance; the single/double/4/6 point glue feeding mode is characterized in that the middle of the glue feeding mode cannot be hollowed, a water gap can be raised, a sharp point needs to be manually removed, the requirement of a customer on a product structure cannot be met, and CNC (computer numerical control) machining is needed again; the shape of a glue inlet of the ox horn glue inlet mode is a bent glue inlet mode like an ox horn, and the requirements on design and quality cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a prevent that multiple spot of thin wall product deformation from advancing gluey structure, aims at improving the defect of the current mode of moulding plastics, advances gluey mode reduction in production cost through the multiple spot, promotes product quality, overcomes advance gluey mode among the prior art and make the product warp easily, shrink, the technical problem of size NG, cloak, fracture etc..
In order to achieve the purpose, the utility model provides a multipoint glue feeding structure for preventing the deformation of thin-wall products, which comprises a squirt nozzle, a water gap plate, a plurality of flow channels which are arranged in a staggered way, and a plurality of water gap insert pins corresponding to the flow channels; the sprue is arranged at the center above the water gap plate, the runners are arranged on the bottom surface of the water gap plate, the sprue, the water gap plate and the runners are communicated, molten plastic flows into the water gap plate through the sprue and then flows into a product mold cavity through the water gaps at the lower ends of the runners, a plurality of openings corresponding to the plurality of water gap insert needles are formed in the product mold cavity, the plurality of openings correspond to the water gaps at the lower ends of the runners, and the plurality of water gap insert needles can penetrate through the corresponding openings.
The utility model discloses a further technical scheme is, the product is the LED face guard, the trompil is the screw hole.
The utility model discloses a further technical scheme is, runner and mouth of a river are thirteen, what the needle corresponds is thirteen for the mouth of a river inlay.
The utility model discloses a further technical scheme is, still include the mouth of a river core, the runner cover is located the mouth of a river in-core.
The utility model discloses prevent that multiple spot that thin wall product warp from advancing gluey structure's beneficial effect is: the utility model adopts the technical proposal that the device comprises a squirt nozzle, a water gap plate, a plurality of flow channels which are arranged in a staggered way and a plurality of water gap insert pins corresponding to the flow channels; wherein the sprue is arranged at the center position above the water gap plate, the plurality of flow channels are arranged at the bottom surface of the water gap plate, the sprue, the water gap plate and the plurality of flow channels are communicated, molten plastic flows into the water gap plate through the sprue and then flows into a product mold cavity through the water gaps at the lower ends of the plurality of flow channels, a plurality of openings corresponding to the plurality of water gap insert pins are arranged on the die cavity of the product die, the plurality of openings correspond to the water gaps at the lower ends of the plurality of flow channels, a film glue position is arranged in each opening and is connected with the water gap and the die cavity, the mould is automatically broken when the mould is opened, so that the defects of the existing injection molding mode can be improved, the product quality is improved, the technical problems that the product is easy to deform, shrink, have the size NG, mantle and fracture in the glue feeding mode in the prior art are solved, and the production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the multi-point glue-feeding structure for preventing deformation of thin-wall products according to the present invention;
FIG. 2 is a schematic view of the exploded structure of the multi-point glue-feeding structure for preventing deformation of thin-walled products according to the present invention;
FIG. 3 is a schematic perspective view of a product mold cavity;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
4 | Insert pin |
| 2 | Water gap plate | 5 | Product mold cavity |
| 3 | |
6 | |
| 7 | Opening holes |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Consider to advance plastic injection molding product of gluey mode among the prior art, especially thin wall product, all can have remaining mouth of a river after the completion of moulding plastics, these mouths of a river need artifical shearing, and the product does not reach the requirement in appearance, and the product both shrinks, and the mantle is many again, and easy fracture, size are difficult to the management and control, from this, the utility model provides a prevent that the multiple spot of thin wall product deformation from advancing gluey structure, this prevent that the multiple spot of thin wall product deformation from advancing gluey structure can be applicable to a ring type thin wall on the LED face guard screw hole position and advance gluey mode.
Specifically, referring to fig. 1 to 4, the multi-point glue feeding structure for preventing deformation of thin-walled products provided by the present invention includes a sprue 1, a nozzle plate 2, a plurality of staggered runners 3, and a plurality of nozzle pins 4 corresponding to the runners 3.
The sprue 1 is arranged at the center above the water gap plate 2, the plurality of flow channels 3 are arranged on the bottom surface of the water gap plate 2, and the sprue 1, the water gap plate 2 and the plurality of flow channels 3 are communicated.
When the plastic film injection mold is used, molten plastic flows into the water gap plate 2 through the sprue bushing 1 and then flows into the product mold cavity 5 through the water gaps at the lower ends of the runners 3, a plurality of openings 7 corresponding to the water gap insert needles 4 are formed in the product mold cavity 5, the openings 7 correspond to the water gaps at the lower ends of the runners 3, film glue positions are arranged in the openings 7 and are connected with the water gaps and the mold cavity, and the plastic film injection mold is automatically broken when the mold is opened.
The utility model discloses a multiple spot advances gluey mode, and cooperates needle 4 is inlayed to the mouth of a river can improve the defect of current mode of moulding plastics, promotes product quality, overcomes advancing gluey mode among the prior art and makes the technical problem that the product warp, shrink, size NG, cloak, fracture etc. easily to reduction in production cost.
Further, as an implementation mode, the product can be a thin-walled product such as an LED mask, the opening 7 on the mold cavity 5 of the product is a screw hole, and the nozzle insert 4 is inserted into the screw hole and can pass through the screw hole.
As an embodiment, in order to improve work efficiency, further reduce manufacturing cost, promote product quality, runner 3 and mouth of a river are preferably thirteen, mouth of a river insert needle 4 corresponds to thirteen, of course, in other embodiments, the quantity of runner 3 and mouth of a river insert needle 4 can set up according to actual need, the utility model discloses do not limit to this. As a preferred embodiment, the outer diameter of the nozzle may be set to 1.5mm, and the outer diameter of the nozzle insert may be set to 1.35 mm.
Furthermore, as an embodiment, the utility model provides a prevent that multiple spot of thin wall product deformation from advancing gluey structure still includes mouth of a river core 6, 3 covers of runner are located in the mouth of a river core 6, in order to right 3 plays direction and guard action of runner.
The utility model discloses prevent that multiple spot that thin wall product warp from advancing gluey structure's beneficial effect is: the utility model adopts the technical proposal that the device comprises a squirt nozzle, a water gap plate, a plurality of flow channels which are arranged in a staggered way and a plurality of water gap insert pins corresponding to the flow channels; wherein the sprue is arranged at the center position above the water gap plate, the plurality of flow channels are arranged at the bottom surface of the water gap plate, the sprue, the water gap plate and the plurality of water gaps are communicated, molten plastic flows into the water gap plate through the sprue and then flows into a product mold cavity through the water gaps at the lower ends of the plurality of flow channels, a plurality of openings corresponding to the plurality of water gap insert pins are arranged on the die cavity of the product die, the plurality of openings correspond to the water gaps at the lower ends of the plurality of flow channels, a film glue position is arranged in each opening and is connected with the water gap and the die cavity, the mould is automatically broken when the mould is opened, so that the defects of the existing injection molding mode can be improved, the product quality is improved, the technical problems that the product is easy to deform, shrink, have the size NG, mantle and fracture in the glue feeding mode in the prior art are solved, and the production cost is reduced.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (4)
1. A multipoint glue inlet structure for preventing deformation of a thin-wall product is characterized by comprising a sprue, a water gap plate, a plurality of flow channels which are arranged in a staggered mode, and a plurality of water gap insert pins corresponding to the flow channels; the sprue is arranged at the center above the water gap plate, the runners are arranged on the bottom surface of the water gap plate, the sprue, the water gap plate and the runners are communicated, molten plastic flows into the water gap plate through the sprue and then flows into a product mold cavity through the water gaps at the lower ends of the runners, a plurality of openings corresponding to the plurality of water gap insert needles are formed in the product mold cavity, the plurality of openings correspond to the water gaps at the lower ends of the runners, and film glue positions are arranged in the openings.
2. The multipoint glue feeding structure for preventing the deformation of the thin-wall product according to claim 1, wherein the product is an LED mask, and the opening is a screw hole.
3. The multipoint glue feeding structure for preventing the deformation of the thin-wall product according to claim 1, wherein thirteen flow passages and thirteen water gaps are formed, and thirteen corresponding water gap inserts are provided.
4. The multipoint glue feeding structure for preventing the deformation of the thin-walled product according to any one of claims 1 to 3, further comprising a nozzle core, wherein the flow channel is sleeved in the nozzle core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020794386.9U CN212422039U (en) | 2020-05-13 | 2020-05-13 | Multipoint glue feeding structure for preventing thin-wall product from deforming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020794386.9U CN212422039U (en) | 2020-05-13 | 2020-05-13 | Multipoint glue feeding structure for preventing thin-wall product from deforming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212422039U true CN212422039U (en) | 2021-01-29 |
Family
ID=74288261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020794386.9U Active CN212422039U (en) | 2020-05-13 | 2020-05-13 | Multipoint glue feeding structure for preventing thin-wall product from deforming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212422039U (en) |
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2020
- 2020-05-13 CN CN202020794386.9U patent/CN212422039U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230815 Address after: Room 101, Building 2, No. 6, Qingxi Linzhong 1st Street, Qingxi Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Yuhong Plastic Technology Co.,Ltd. Address before: No. 1102, unit 2, building 6, longfu garden, Fenggang town, Dongguan City, Guangdong Province, 523000 Patentee before: Jiang Wenyi |