CN219667317U - Waterproof bolt processing die - Google Patents

Abstract

The utility model belongs to the technical field of automobile accessory processing dies, and particularly relates to a waterproof plug processing die. A plurality of cavities are arranged between the flow passage plate and the A plate, needle valves are fixedly inserted in the cavities, the top ends of sealing needles inserted in the middle of the needle valves are connected with mounting parts, the mounting parts are movably clamped in the cavity in the middle of the air cylinder plate, and the upper end and the lower end of the cavity are respectively communicated with second channels distributed in the middle of the panel and the air cylinder plate; the outer cylinder is clamped in the cavity, the inner cylinder is inserted in the outer cylinder, the sealing needle is inserted in the inner cylinder, the bottom of the inner cylinder is provided with a discharging hole which is conical and gradually smaller toward the end part, and the top end of the sealing needle is matched with the discharging hole in shape for sealing and fitting. The injection technology is adopted to inject the silica gel material into a cold runner system through a mold sprue, and then the silica gel material is injected into a mold cavity through a needle valve type cold sprue, and the silica gel material is vulcanized and molded at a high temperature. The whole process is accurate in injection, good in repetition precision, stable in product quality and higher in dimensional precision.

Description

Waterproof bolt processing die

Technical Field

The utility model belongs to the technical field of automobile accessory processing dies, and particularly relates to a waterproof plug processing die.

Background

The silica gel waterproof plug is mainly used for sealing automobile wire harnesses, and the existing silica gel waterproof plug product is mainly realized by adopting a processing mode of a flat vulcanizing machine and a solid molding process. Because the product has a complex structure, the thickness and the dimensional tolerance of the product are high; the existing solid molding process has many working procedures, can only carry out manual discharging, up-down die assembly and high-temperature vulcanization molding, has long molding time per die and has high product processing cost. And the product processing efficiency is low, the material utilization rate is low, and each mode consumes a lot of materials. In addition, the solid molding die is not enough in repetition precision, large in product size deviation and unstable in quality. The solid molding die is also not durable, and the solid molding die is deformed after being produced for a period of time, and a new die is required to be opened again.

Disclosure of Invention

To solve the defects and the shortages of the prior art; the utility model aims to provide a waterproof bolt processing mould which is simple in structure, reasonable in design and convenient to use, and adopts an injection process to inject silica gel into a cold runner system through a mould sprue, then to inject into a mould cavity through a needle valve type cold sprue, and then to carry out high-temperature vulcanization molding. The whole process is accurate in injection, good in repetition precision, stable in product quality and higher in dimensional precision.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a panel, an air cylinder plate, a runner plate, an A plate, a B plate and a base; a waterproof bolt die holder is arranged in the die cavity between the plate A and the plate B, a plurality of cavities are arranged between the runner plate and the plate A, a needle valve is fixedly inserted in the cavities, and the lower end of the needle valve is communicated with a waterproof bolt die holder injection hole; the top end of the seal needle inserted in the middle of the needle valve is connected with a mounting part, the mounting part is movably clamped in a cavity in the middle of the air cylinder plate, and the upper end and the lower end of the cavity are respectively communicated with a second channel distributed in the middle of the panel and the air cylinder plate; the needle valve comprises an inner cylinder, a sealing needle, a discharging hole and an outer cylinder; the outer cylinder is clamped in the cavity, the inner cylinder is inserted in the outer cylinder, the sealing needle is inserted in the inner cylinder, the bottom of the inner cylinder is provided with a discharging hole which is conical and gradually smaller toward the end part, and the top end of the sealing needle is matched with the discharging hole in shape for sealing and fitting.

Preferably, the upper surface of the panel is provided with an injection port, the injection port penetrates through the cylinder plate to be communicated with the first channel on the surface of the runner plate, and the first channel is communicated with the inner cylinder of the needle valve through the inclined channel.

Preferably, the second channel and the chamber are pressurized, and the lifting of the mounting part is controlled by the pressure difference so as to control the clearance between the sealing needle and the discharging hole to control the discharging rate.

Preferably, a gap is arranged between the inner cylinder and the outer cylinder, the gap is communicated with a through hole at the inner side of the upper end of the outer cylinder, and the through hole is communicated with a third channel inside the runner plate.

Preferably, the first channel is an i-shaped channel.

Preferably, the cavities are diagonally distributed, and the waterproof bolt die holder is subjected to multi-point synchronous injection.

After the structure is adopted, the utility model has the beneficial effects that: 1. the waterproof plug injection mold adopts an injection process, has high repetition precision, stable product quality and good dimensional precision;

2. the die does not need to be provided with a large amount of glue overflow, so that materials are saved;

3. the die does not need manual discharging, is quick in vulcanization molding and high in production efficiency.

4. The die is hard-treated and more durable.

Drawings

For a clearer description of embodiments of the present utility model or technical solutions in the prior art, the present utility model is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the needle valve 10 of the present utility model;

FIG. 3 is a schematic view of the inclined channel 16 connection of the present utility model;

FIG. 4 is a schematic view of the structure of the first channel 9 according to the present utility model;

reference numerals illustrate: panel 1, cylinder plate 2, runner plate 3, a plate 4, B plate 5, base 6, waterproof plug die holder 7, injection port 8, first channel 9, needle valve 10, chamber 11, mounting portion 12, second channel 13, through hole 14, third channel 15, inclined channel 16, cavity 17, inner cylinder 101, seal needle 102, discharge hole 103, outer cylinder 104.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

It should be noted here that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present utility model are shown in the drawings, while other details not greatly related to the present utility model are omitted.

Referring to fig. 1-4, the following technical solutions are adopted in this embodiment: the device comprises a panel 1, a cylinder plate 2, a runner plate 3, an A plate 4, a B plate 5 and a base 6; a waterproof bolt die holder 7 is arranged in a die cavity between the A plate 4 and the B plate 5, a plurality of cavities 17 are arranged between the runner plate 3 and the A plate 4, a needle valve 10 is fixedly inserted into the cavities 17, and the lower end of the needle valve 10 is communicated with a pouring hole of the waterproof bolt die holder 7; the top end of a seal needle 102 inserted in the middle of the needle valve 10 is connected with an installation part 12, the installation part 12 is movably clamped in a cavity 11 in the middle of the air cylinder plate 2, and the upper end and the lower end of the cavity 11 are respectively communicated with a second channel 13 distributed in the middle of the panel 1 and the air cylinder plate 2; the needle valve 10 comprises an inner cylinder 101, a seal needle 102, a discharge hole 103 and an outer cylinder 104; the outer cylinder 104 is clamped in the cavity 17, the inner cylinder 101 is inserted in the outer cylinder 104, the sealing needle 102 is inserted in the inner cylinder 101, the bottom of the inner cylinder 101 is provided with a tapered discharging hole 103 which is gradually smaller toward the end part, and the top end of the sealing needle 102 is matched with the discharging hole 103 in shape for sealing and bonding.

Wherein, the upper surface of the panel 1 is provided with an injection port 8, the injection port 8 passes through the cylinder plate 2 to be communicated with a first channel 9 on the surface of the runner plate 3, and the first channel 9 is communicated with an inner cylinder 101 of the needle valve 10 through an inclined channel 16. A gap is arranged between the inner cylinder 101 and the outer cylinder 104, the gap is communicated with a through hole 14 at the inner side of the upper end of the outer cylinder 104, and the through hole 14 is communicated with a third channel 15 in the runner plate 3; the third channel 15 is filled with chilled water to ensure the balance of the whole cooling, and the flow of the sizing material is stable and smooth.

In addition, the second channel 13 and the chamber 11 are pressurized, and the lifting of the mounting part 12 is controlled by the pressure difference so as to control the clearance between the seal needle 102 and the discharging hole 103 to control the discharging rate; the first channel 9 is an I-shaped channel; the cavities 17 are diagonally distributed, and the waterproof plug die holder 7 is subjected to multi-point synchronous injection.

The working principle of the specific embodiment is as follows: during operation, the glue material enters the inner cylinder 101, at this time, the sealing needle 102 is not inserted into the discharge hole 103, the glue material can be ejected from the discharge hole 103, and positive pressure air pressure or negative pressure air pressure is generated in the second channel 13 to control the forward and backward speed of the sealing needle so as to control the glue injection quantity.

The utility model adopts the injection process, has high repetition precision, stable product quality and good dimensional precision; a large amount of glue overflow is not needed, so that materials are saved; the utility model does not need to discharge materials manually, has quick vulcanization molding and high production efficiency, and adopts hardening treatment and is more durable.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A waterproof bolt mold processing, its characterized in that: the device comprises a panel, an air cylinder plate, a runner plate, an A plate, a B plate and a base; a waterproof bolt die holder is arranged in the die cavity between the plate A and the plate B, a plurality of cavities are arranged between the runner plate and the plate A, a needle valve is fixedly inserted in the cavities, and the lower end of the needle valve is communicated with a waterproof bolt die holder injection hole; the top end of the seal needle inserted in the middle of the needle valve is connected with a mounting part, the mounting part is movably clamped in a cavity in the middle of the air cylinder plate, and the upper end and the lower end of the cavity are respectively communicated with a second channel distributed in the middle of the panel and the air cylinder plate; the needle valve comprises an inner cylinder, a sealing needle, a discharging hole and an outer cylinder; the outer cylinder is clamped in the cavity, the inner cylinder is inserted in the outer cylinder, the sealing needle is inserted in the inner cylinder, the bottom of the inner cylinder is provided with a discharging hole which is conical and gradually smaller toward the end part, and the top end of the sealing needle is matched with the discharging hole in shape for sealing and fitting.

2. A hydrant processing mould according to claim 1, characterized in that: the upper surface of panel be provided with the filling opening, the filling opening passes cylinder board and runner board surface's first passageway intercommunication, and first passageway communicates with the inner tube of needle valve through the inclined channel.

3. A hydrant processing mould according to claim 1, characterized in that: the second channel and the chamber are pressurized, and the lifting of the mounting part is controlled by the pressure difference so as to control the clearance between the sealing needle and the discharging hole to control the discharging rate.

4. A hydrant processing mould according to claim 1, characterized in that: a gap is arranged between the inner cylinder and the outer cylinder, the gap is communicated with a through hole at the inner side of the upper end of the outer cylinder, and the through hole is communicated with a third channel inside the flow channel plate.

5. A hydrant processing mould according to claim 2, characterized in that: the first channel is an I-shaped channel.

6. A hydrant processing mould according to claim 1, characterized in that: the cavities are distributed diagonally, and the waterproof bolt die holder is subjected to multi-point synchronous injection.