Injection molding part injection molding gate structure

Abstract

The utility model relates to the technical field of pouring opening structure, and disclose a kind of injection molding injection molding pouring opening structure, including injection main pipe and connecting piece, the outer surface of injection main pipe is connected with transition communication piece, the output end of transition communication piece is fixedly connected with latent gate, the output end of latent gate is provided with sheet gate, the outer surface of connecting piece is provided with runner, this injection molding injection molding pouring opening structure, by controlling latent gate can be set in movable mould side, also can be set in fixed mould side, while latent gate can be placed in the inner surface or side surface covert place of plastic part, also can be placed on the rib, column of plastic part, also can be placed on parting surface, then carry out runner injection molding, transition communication piece carries out screw connection, angle adjustment and replacement are carried out to latent gate, to reach the effect of adjusting according to injection molding demand, improve injection molding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of pouring gate structure technology, specifically a pouring gate structure for injection molding of injection molded parts. Background Technology

[0002] Injection molded parts are finished components formed by heating and melting plastic material, injecting the molten plastic into a mold through an injection molding process, and then allowing it to cool and solidify. Injection molded parts can be used to manufacture various plastic products, such as various plastic containers, furniture, appliances, and toys used in daily life. In addition, injection molded parts are also widely used in automobiles, medical equipment, electronic products, industrial machinery, and other fields. The gating gate, also known as the sprue, refers to the channel from the runner to the mold cavity, and is the shortest and smallest cross-section part of the gating system.

[0003] The current injection molding gate structure for injection molded parts is difficult to adjust according to injection requirements, resulting in low injection efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an injection molding gate structure for injection molded parts, thereby solving the problem mentioned in the background art that the current injection molding gate structure for injection molded parts is difficult to adjust according to injection requirements during use, resulting in low injection efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an injection molding gate structure for injection molded parts, comprising an injection main pipe and a connector, wherein a transition connector is threadedly connected to the outer surface of the injection main pipe, and a submarine gate is fixedly connected to the output end of the transition connector, wherein a plate-shaped gate is provided at the output end of the submarine gate, and a flow channel is provided on the outer surface of the connector.

[0006] Preferably, a slider pin is fixedly installed at the output end of the sheet-shaped gate, a spring is fixedly installed on the outer surface of the slider pin, the output end of the spring is fixedly connected to the connector, and the output end of the slider pin is slidably connected to the flow channel.

[0007] Preferably, the sheet-like gate is slidably connected to the connector, and the transition connector is set at an angle of 120 degrees to the submerged gate.

[0008] Preferably, the end of the flow channel is provided with a pressure-reducing well with a length greater than 10 times the cavity thickness.

[0009] Preferably, the connector has an ejector structure inside, and the output end of the ejector structure is fixedly connected to the slider spring pin.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. The injection molding gate structure of this injection molded part can be controlled to be located on the moving mold side or the fixed mold side. At the same time, the submarine gate can be placed in a concealed place on the inner surface or side of the plastic part, or on the ribs or pillars of the plastic part, or on the parting surface. Then, the runner is injected and the transition connector is threaded to adjust and replace the angle of the submarine gate, thereby achieving the effect of adjusting according to the injection requirements and improving the injection efficiency.

[0012] 2. The injection molding gate structure of this injection molded part is located in the non-appearance area of ​​the plastic part through the runner. A spring is fixedly installed on the outer surface of the slider pin. At the same time, the output end of the spring is fixedly connected to the connector. In addition, the output end of the slider pin is slidably connected to the runner, thereby avoiding residual marks on the appearance surface and improving the product qualification rate. Attached Figure Description

[0013] Figure 1 This is a cross-sectional view of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the slider spring pin structure of this utility model.

[0015] In the diagram: 1. Injection main pipe; 2. Transition connector; 3. Submersible gate; 4. Connector; 5. Slider spring; 6. Runner; 7. Spring component; 8. Plate gate. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example 1:

[0018] Please refer to Figures 1-2.

[0019] A gate structure for injection molding of injection molded parts includes a main injection pipe 1 and a connector 4. The outer surface of the main injection pipe 1 is threadedly connected to a transition connector 2. The output end of the transition connector 2 is fixedly connected to a submarine gate 3. The output end of the submarine gate 3 is provided with a plate-shaped gate 8. The outer surface of the connector 4 is provided with a flow channel 6.

[0020] Specifically, by controlling the location of the submarine gate 3, it can be placed on the moving mold side or the fixed mold side. At the same time, the submarine gate 3 can be placed in a concealed location on the inner surface or side of the plastic part, or on the ribs or pillars of the plastic part, or on the parting surface. Then, the runner 6 is injected, and the transition connector 2 is threaded to adjust and replace the angle of the submarine gate 3, thereby achieving the effect of adjusting according to the injection requirements and improving the injection efficiency.

[0021] In the embodiment: the sheet gate 8 is slidably connected to the connector 4, and the transition connector 2 is set at an angle of 120 degrees to the submarine gate 3.

[0022] Specifically, because the sheet gate 8 is slidably connected to the connector 4, and the transition connector 2 is set at an angle of 120 degrees to the submarine gate 3, the gate automatically detaches after injection molding, eliminating the risk of gate spray marks and adapting to complex curved surface products.

[0023] In the embodiment: a pressure-reducing well with a length greater than 10 times the cavity thickness is provided at the end of the flow channel 6.

[0024] Specifically, because the end of the flow channel 6 is equipped with a pressure distribution well with a length greater than 10 times the cavity thickness, the sudden change in shear rate is reduced and the gate pattern defect is eliminated.

[0025] Working principle: A transition connector 2 is threadedly connected to the outer surface of the injection main pipe 1. At the same time, a submarine gate 3 is fixedly connected to the output end of the transition connector 2. A plate gate 8 is provided at the output end of the submarine gate 3. The outer surface of the connector 4 is provided with a runner 6. The submarine gate 3 can be located on the moving mold side or the fixed mold side. The submarine gate 3 can be placed in a concealed place on the inner surface or side of the plastic part, or on the ribs or pillars of the plastic part, or on the parting surface. Then, the runner 6 is injected. The transition connector 2 is threadedly connected, which allows for angle adjustment and replacement of the submarine gate 3. Compared with related technologies, the injection molding gate structure of the injection molded part provided by this utility model has the following beneficial effects: it achieves the effect of adjusting according to the injection requirements and improving the injection efficiency.

[0026] Example 2:

[0027] Please refer to Figures 1-2.

[0028] A slider pin 5 is fixedly installed at the output end of the sheet gate 8. A spring 7 is fixedly installed on the outer surface of the slider pin 5. The output end of the spring 7 is fixedly connected to the connector 4. The output end of the slider pin 5 is slidably connected to the flow channel 6.

[0029] Specifically, the flow channel 6 is set in the non-appearance area of ​​the plastic part, and the outer surface of the slider pin 5 is fixedly installed with a spring 7. At the same time, the output end of the spring 7 is fixedly connected to the connector 4. In addition, the output end of the slider pin 5 is slidably connected to the flow channel 6, thereby avoiding residual marks on the appearance surface and improving the product qualification rate.

[0030] In this embodiment: the connector 4 is provided with an ejector structure inside, and the output end of the ejector structure is fixedly connected to the slider pin 5.

[0031] Specifically, an ejector structure is provided inside the connector 4, and the output end of the ejector structure is fixedly connected to the slider pin 5 to simultaneously eject the injection molded product and the gate waste part, avoiding ejector pin marks.

[0032] Working principle: Because the runner 6 is located in the non-appearance area of ​​the plastic part, a slider pin 5 is fixedly installed at the output end of the sheet gate 8, and a spring 7 is fixedly installed on the outer surface of the slider pin 5. In addition, the output end of the spring 7 is fixedly connected to the connector 4, and the output end of the slider pin 5 is slidably connected to the runner 6. Compared with related technologies, the injection molding gate structure of the injection molded part provided by this utility model has the following beneficial effects: thereby avoiding residual marks on the appearance surface and improving the product qualification rate.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gating structure for injection molding of injection molded parts, comprising a main injection pipe (1) and a connector (4), characterized in that: The outer surface of the injection molding main pipe (1) is threaded with a transition connector (2), the output end of the transition connector (2) is fixedly connected to a submarine gate (3), the output end of the submarine gate (3) is provided with a plate gate (8), and the outer surface of the connector (4) is provided with a flow channel (6).

2. The injection molding gate structure for injection molded parts according to claim 1, characterized in that: The output end of the sheet gate (8) is fixedly installed with a slider pin (5), and a spring (7) is fixedly installed on the outer surface of the slider pin (5). The output end of the spring (7) is fixedly connected to the connector (4), and the output end of the slider pin (5) is slidably connected to the flow channel (6).

3. The injection molding gating structure for injection molded parts according to claim 1, characterized in that: The sheet gate (8) is slidably connected to the connector (4), and the transition connector (2) is set at an angle of 120 degrees to the submerged gate (3).

4. The injection molding gate structure for injection molded parts according to claim 1, characterized in that: The flow channel (6) is provided with a pressure distribution well with a length greater than 10 times the cavity thickness at its end.

5. The injection molding gating structure for injection molded parts according to claim 2, characterized in that: The connector (4) has an ejector structure inside, and the output end of the ejector structure is fixedly connected to the slider spring pin (5).

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