CN213830137U

CN213830137U - Sprue runner for intelligent lock panel injection molding and injection mold for intelligent lock panel

Info

Publication number: CN213830137U
Application number: CN202022895792.7U
Authority: CN
Inventors: 谢海生
Original assignee: Zhuhai Sfl Technology Co ltd
Current assignee: Zhuhai Sfl Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-30
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to a sprue runner for intelligent lock panel injection and an injection mold for the intelligent lock panel, which comprises an injection runner, wherein one end of the injection runner is communicated with a molding mold cavity; the injection molding die also comprises a pouring cavity, wherein the pouring cavity is positioned between the injection molding pouring gate and the molding die cavity; the pouring cavity is large in one end and small in one end, wherein the large end is a wide and long feeding end, the small end is a narrow and long discharging end, the feeding end is communicated with the injection molding runner, and the discharging end is communicated with the molding cavity. This injection mold makes product outward appearance curved surface pleasing to the eye through improving the structure of runner, and production efficiency improves, can realize mass production, and manufacturing cost reduces, and the product yields promotes.

Description

Sprue runner for intelligent lock panel injection molding and injection mold for intelligent lock panel

Technical Field

The utility model relates to an injection mold specifically is an intelligence lock panel is moulded plastics and is used runner and intelligence lock panel injection mold for.

Background

The existing domestic die for producing the transparent intelligent lock panel generally has the defects of long processing time, high unit price and the like; specifically, in a mold for producing a transparent intelligent lock panel, a gate of an injection molding part generally adopts glue immersion, glue large-feeding, hot runner, glue fine-feeding and other glue feeding modes, while a transparent intelligent lock panel (most of the existing transparent intelligent lock panel is an acrylic transparent plate) generally adopts a glue large-feeding mode, the aperture of the gate of the glue large-feeding mode is about 5.0mm, and the thickness of the gate is about 1.0mm, so that a formed product is required to be cut off by an electric heating shear very carefully, a very large fracture is usually left on the cut-off transparent intelligent lock panel, the appearance requirement of a client cannot be met, and the condition of damaging or exploding the product is easily caused by adopting the mode of cutting off the gate by the electric heating shear.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of above-mentioned prior art existence, and provide an intelligence lock panel is moulded plastics and is used runner and intelligent injection mold for lock panel, this injection mold makes the product outward appearance curved surface pleasing to the eye through the structure that improves runner, and production efficiency improves, can realize mass production, and manufacturing cost reduces, and the product yields promotes.

The purpose of the utility model is realized like this:

a sprue runner for intelligent lock panel injection molding comprises an injection molding runner, wherein one end of the injection molding runner is communicated with a molding mold cavity; the injection molding die also comprises a pouring cavity, wherein the pouring cavity is positioned between the injection molding pouring gate and the molding die cavity; the pouring cavity is large in one end and small in one end, wherein the large end is a wide and long feeding end, the small end is a narrow and long discharging end, the feeding end is communicated with the injection molding runner, and the discharging end is communicated with the molding cavity.

And a pouring inclined plane is arranged on the pouring cavity and extends from the feeding end to the discharging end.

The pouring inclined plane is in tangent fit with the injection molding pouring gate with a circular section.

The pouring cavity is provided with a pouring guide surface, the pouring guide surface and the pouring inclined surface are close to each other, so that a flat and slender pouring channel is formed between the pouring guide surface and the pouring inclined surface, and one end of the pouring channel is communicated with the discharging end.

One end of the pouring channel is large and the other end of the pouring channel is small, the large end is communicated with the feeding end, and the small end is directly communicated with the discharging end.

The length of the discharge end is 10mm-20mm (preferably 12 mm, 15mm, 16mm, 18mm and the like), and the width is 0.2mm-0.4mm (preferably 0.25mm, 0.28mm, 0.3mm, 0.35mm and the like).

An injection mold for an intelligent lock panel comprises an upper injection mold group, a lower injection mold group and the sprue runner; the upper injection mold group comprises an upper injection mold plate, and an upper pouring structure is arranged on the upper injection mold plate; the lower injection molding die group comprises a lower injection molding die plate, and a lower pouring structure is arranged on the lower injection molding die plate; the upper pouring structure and the lower pouring structure are combined together to form the pouring cavity.

An upper pouring gate is arranged on the upper injection molding template, and a lower pouring gate is arranged on the lower injection molding template; the upper pouring channel and the lower pouring channel are combined together to form the injection molding pouring channel.

An upper die cavity is arranged on the upper injection molding template; the lower injection molding module also comprises a molding mold core arranged on the lower injection molding template, and a lower mold cavity is arranged on the molding mold core; the upper die cavity and the lower die cavity are combined together to form the molding die cavity.

The utility model has the advantages as follows:

through set up the pouring chamber between watering and the shaping die cavity of moulding plastics, the cross-section in pouring chamber is similar fan-shaped, and the discharge end intercommunication shaping die cavity of narrow and long, in order to form special runner colloid and connect the product, when the product separates with the runner colloid that corresponds, only need break off the runner colloid gently off with the fingers and thumb, can not cause the runner to burst, phenomenon such as damage, and processing is simple moreover, the fracture is more level and smooth, the later stage only need with the file with the burr on the fracture polish can, effectively reduce artifical input quantity, the process time, production efficiency promotes greatly, the product defective rate drops to about 15%.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention illustrating a mold opening of an injection mold for an intelligent lock panel.

Fig. 2 is a sectional view of the injection mold for an intelligent lock panel in an embodiment of the present invention.

Fig. 3 is an enlarged schematic view at H in fig. 2.

Fig. 4 is a schematic structural view of an upper injection molding plate according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a lower injection mold plate according to an embodiment of the present invention.

Fig. 6 is a perspective view illustrating a connection between a product and a gate material according to an embodiment of the present invention.

Fig. 7 is an enlarged view of fig. 6 at K.

Fig. 8 is a partial cross-sectional view of a product connected to a gate material according to an embodiment of the present invention.

Fig. 9 is a partial schematic view illustrating the separation of the product from the gate material according to an embodiment of the present invention.

Fig. 10 is a partial cross-sectional view of a product separated from a gate material in an embodiment of the invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 10, the sprue channel for injection molding of an intelligent lock panel according to the present embodiment includes an injection runner B and a pouring cavity C, where one end of the injection runner B is branched and communicated with more than one molding cavity D (one end of the injection runner B is branched and communicated with two molding cavities D in the present embodiment), and the other end is communicated with a glue inlet (not labeled in the drawings); the pouring cavity C is positioned between the injection pouring gate B and the molding die cavity D; one end of the pouring cavity C is large and the other end is small, wherein the large end is a wide and long feeding end C1, the small end is a narrow and long discharging end C5, the feeding end C1 is communicated with the injection pouring gate B, and the discharging end C5 is communicated with the molding cavity D; the raw materials enter an injection molding pouring gate B through a glue inlet and then enter a corresponding molding die cavity D through a corresponding pouring cavity C, wherein the raw materials in the injection molding pouring gate B are cooled to form a pouring gate colloid B ', the raw materials in the pouring cavity C are cooled to form a pouring gate colloid C ', and the raw materials in the molding die cavity D are cooled to form an intelligent lock panel product D '; the sprue channel is particularly suitable for at least one intelligent lock panel product D 'with a curved edge, and through injection molding of the sprue channel, the edge of the intelligent lock panel product D' is good in hand feeling (smooth) and attractive in appearance.

Further, a pouring inclined plane C2 is arranged at the bottom of the pouring cavity C, and the pouring inclined plane C2 extends from the feeding end C1 to the discharging end C5; the pouring inclined plane C2 is in tangential fit with an injection pouring gate B with a circular section; the inclined plane C2 is arranged at the joint between the injection molding pouring gate B and the gate of the molding die cavity D, so that the sharp-turn type feeding mode of the traditional die is changed, and the loss of molding pressure is effectively reduced.

Furthermore, the top of the pouring cavity C is provided with a pouring guide surface C3, the pouring guide surface C3 and the pouring inclined surface C2 are close to each other, a flat and long pouring channel C4 is formed between the pouring guide surface C3 and the pouring inclined surface C2, and one end of the pouring channel C4 is communicated with a discharging end C5; one end of the pouring channel C4 is large and the other end is small, the large end is communicated with the feeding end C1, and the small end is directly communicated with the discharging end C5; the discharge end C5 has a length of 15mm and a width of 0.25mm-0.3 mm. Specifically, the raw material inside the casting guide surface C3 is cooled to form a first end surface C3 'at the top of the gate colloid C', the raw material inside the casting inclined surface C2 is cooled to form a second end surface C2 'at the bottom of the gate colloid C', and the raw material in the casting channel C4 is cooled to form a flat and slender connecting colloid C4 ', so that the connecting position between the gate colloid C' and the intelligent lock panel product D 'is sufficiently thin, when the intelligent lock panel product D' is separated from the gate colloid C ', a user slightly breaks the gate colloid C', the operation cannot cause the phenomena of gate burst, damage and the like, the fracture is relatively flat, only a file is needed to polish burrs on the fracture in the later stage, the manual input quantity is effectively reduced, the processing time is shortened, the production efficiency is greatly improved, and the product reject ratio is reduced to about 15%.

The intelligent lock panel comprises an intelligent lock touch panel and a rear cover plate which are matched and assembled with each other, and the injection mold for the intelligent lock panel can be used for simultaneously injection molding the intelligent lock touch panel and the rear cover plate; the injection mold for the intelligent lock panel comprises an upper injection mold group A, a lower injection mold group E and the sprue runner; the upper injection molding module A comprises an upper injection molding template 1, an upper pouring structure 102 is arranged on the upper injection molding template 1, the upper pouring structure 102 is a boss on the end face of the upper injection molding template 1, and a pouring guide surface C3 is an end face on the upper pouring structure 102; the lower injection molding module E comprises a lower injection molding template 2, a lower pouring structure 202 is arranged on the lower injection molding template 2, the lower pouring structure 202 is a groove position on the end surface of the lower injection molding template 2, and a pouring inclined surface C2 is an inclined surface at the bottom of the lower pouring structure 202; the upper casting structure 102 and the lower casting structure 202 combine together to form a casting cavity C.

Furthermore, an upper runner 101 is formed on the bottom end surface of the upper injection molding plate 1, and a lower runner 201 is formed on the top end surface of the lower injection molding plate 2; the upper runner 101 and the lower runner 201 are combined together to form an injection runner B.

Further, an upper mold cavity 103 is machined on the bottom end face of the upper injection molding plate 1; the lower injection molding module E also comprises a molding mold core 3 arranged on the inner side of the lower injection molding template 2, and a lower mold cavity 301 is processed on the top end surface of the molding mold core 3; the upper cavity 103 and the lower cavity 301 are combined together to form a molding cavity D.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sprue runner for intelligent lock panel injection comprises an injection runner (B), wherein one end of the injection runner (B) is communicated with a forming mold cavity (D); the method is characterized in that: the injection molding die also comprises a pouring cavity (C), wherein the pouring cavity (C) is positioned between the injection molding pouring gate (B) and the molding die cavity (D); the large end and the small end of one end of the pouring cavity (C) are respectively a wide feeding end (C1) and a long discharging end (C5), the small end of the pouring cavity (C) is a narrow discharging end, and the feeding end (C1) is communicated with the injection molding pouring gate (B) and the discharging end (C5) is communicated with the molding die cavity (D).

2. The runner duct for injection molding of the smart lock panel according to claim 1, characterized in that: the pouring cavity (C) is provided with a pouring inclined plane (C2), and the pouring inclined plane (C2) extends from the feeding end (C1) to the discharging end (C5).

3. The runner duct for injection molding of the smart lock panel according to claim 2, characterized in that: the pouring inclined surface (C2) is in tangential fit with the injection pouring gate (B) with a circular section.

4. The runner duct for injection molding of the smart lock panel according to claim 2, characterized in that: the pouring cavity (C) is provided with a pouring guide surface (C3), the pouring guide surface (C3) and the pouring inclined surface (C2) are close to each other, a flat and long pouring channel (C4) is formed between the pouring guide surface and the pouring inclined surface, and one end of the pouring channel (C4) is communicated with a discharging end (C5).

5. The runner duct for injection molding of a smart lock panel according to claim 4, wherein: one end of the pouring channel (C4) is large and the other end is small, the large end is communicated with the feeding end (C1), and the small end is directly communicated with the discharging end (C5).

6. The runner duct for injection molding of the smart lock panel according to claim 1, characterized in that: the length of the discharge end (C5) is 10mm-20mm, and the width is 0.2mm-0.4 mm.

7. The utility model provides an intelligence injection mold for lock panel which characterized in that: comprising an upper injection mold set (a), a lower injection mold set (E), and the runner duct of claim 1; the upper injection molding module (A) comprises an upper injection molding template (1), and an upper pouring structure (102) is arranged on the upper injection molding template (1); the lower injection molding module (E) comprises a lower injection molding template (2), and a lower pouring structure (202) is arranged on the lower injection molding template (2); the upper casting structure (102) and the lower casting structure (202) are combined together to form the casting cavity (C).

8. The intelligent injection mold for lock panel of claim 7, characterized in that: an upper pouring gate (101) is arranged on the upper injection molding template (1), and a lower pouring gate (201) is arranged on the lower injection molding template (2); the upper pouring channel (101) and the lower pouring channel (201) are combined together to form the injection pouring channel (B).

9. The intelligent injection mold for lock panel of claim 7, characterized in that: an upper die cavity (103) is arranged on the upper injection molding template (1); the lower injection molding module (E) also comprises a molding mold core (3) arranged on the lower injection molding template (2), and a lower mold cavity (301) is arranged on the molding mold core (3); the upper mold cavity (103) and the lower mold cavity (301) are combined together to form the molding mold cavity (D).