CN213972327U

CN213972327U - Vacuum injection molding mold for insulating material of high-voltage electrical product

Info

Publication number: CN213972327U
Application number: CN202022891636.3U
Authority: CN
Inventors: 葛志杰; 张丽; 黎明; 鲍建东; 苏家强
Original assignee: Liaoning Micro Energy Electrical Equipment Manufacturing Co ltd
Current assignee: Liaoning Micro Energy Electrical Equipment Manufacturing Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-17
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a high-voltage electrical product insulating material's vacuum injection moulding mould, including mould body, sealed rubber ring, evacuation interface and notes material interface, sealed rubber ring locates this internal inner chamber that just is used for sealed mould body of mould, and the evacuation interface is seted up on the mould body and is worn to locate sealed rubber ring, annotates the material interface and wears to locate mould body and its inner chamber intercommunication, and the inner chamber of mould body is used for placing high-voltage electrical product. The vacuum injection molding die for the high-voltage electrical product insulating material aims to solve the problem that the product quality is affected due to partial discharge caused by residual air in the pouring process of the product insulating material in the production process of an electrical product, ensure volatilization or overflow of low-molecular-weight substances generated in the pouring process of the pouring material, and realize the low-molecular-weight substances in a vacuumizing and discharging mode.

Description

Vacuum injection molding mold for insulating material of high-voltage electrical product

Technical Field

The utility model belongs to the technical field of the vacuum injection moulding mould, concretely relates to high-voltage electrical product insulating material's vacuum injection moulding mould.

Background

At present, when an electric product is produced, a mold in an extrusion exhaust mode is generally used. The vacuum casting method can effectively realize exhaust when producing products with simple structures, but cannot completely achieve the exhaust effect when encountering products with complex structures, and generally adopts the vacuum casting method that the mold is placed in a vacuum casting box for vacuum pumping, so that the vacuum pumping efficiency is very low due to large volume, and the needed molds are very many.

In view of the above, a need in the art exists to provide a vacuum injection molding mold for insulating materials of high-voltage electrical products, which is used to solve the problem that the product quality is affected by partial discharge caused by residual air in the process of pouring the insulating materials of the products in the production process of the electrical products.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an electric product production in-process because there is residual air to cause partial discharge in the product insulating material pouring process, influences product quality.

(II) technical scheme

The utility model provides a high-voltage electrical product insulating material's vacuum injection moulding mould, including mould body, sealed rubber ring, evacuation interface and notes material interface, sealed rubber ring locates this internal just is used for sealing of mould the inner chamber of mould body, the evacuation interface is seted up in just wear to locate on the mould body sealed rubber ring, it wears to locate to annotate the material interface mould body and its inner chamber intercommunication, the inner chamber of mould body is used for placing high-voltage electrical product.

Further, the die body comprises a first die and a second die, and the first die and the second die are butted to form the die body.

Further, the vacuumizing interface comprises an vacuumizing nozzle and a base, the base is fixed to the bottom of the vacuumizing nozzle, and a first center hole of the vacuumizing nozzle is communicated with a second center hole of the base.

Further, the first central bore is coaxial with the second central bore and the diameter of the second central bore is greater than the diameter of the first central bore.

Further, the section of the second center hole is trapezoidal, and the length of the upper bottom of the trapezoid is the same as the diameter of the first center hole.

Further, the outer wall of the air exhaust nozzle is provided with a circle of convex edge along the circumferential direction, and the bottom of the convex edge is in sealing contact with the die body.

(III) advantageous effects

The utility model provides a high-voltage electrical product insulating material's vacuum injection moulding mould, including mould body, sealed rubber ring, evacuation interface and notes material interface, sealed rubber ring locates this internal inner chamber that just is used for sealed mould body of mould, and the evacuation interface is seted up on the mould body and is worn to locate sealed rubber ring, annotates the material interface and wears to locate mould body and inner chamber intercommunication rather than, and the inner chamber of mould body is used for placing high-voltage electrical product. The vacuum pumping is realized in the die cavity, the exhaust effect can be completely achieved due to the small size and higher vacuum pumping speed of the die cavity, and the product appearance is perfect and free of defects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of a vacuum injection molding mold for insulating materials of high-voltage electrical products according to an embodiment of the present invention;

fig. 2 is a top view of a vacuum injection molding mold for insulating materials of high-voltage electrical products according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is a schematic structural diagram of a vacuum pumping port in a vacuum injection molding mold for another insulating material of a high-voltage electrical product according to an embodiment of the present invention.

In the figure:

1. a mold body; 101. a first mold; 102. a second mold; 2. sealing the rubber ring; 3. vacuumizing the interface; 301. a suction nozzle; 3011. a first central aperture; 3012. a convex edge; 302. a base; 3021. A second central aperture; 4. a material injection interface; 5. high voltage electrical products.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention, but are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, substitutions and improvements in the parts, components and connections without departing from the spirit of the invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.

According to the utility model provides a pair of high-tension electricity product insulating material's vacuum injection moulding mould, as shown in fig. 1-2, including mould body 1, sealed rubber ring 2, evacuation interface 3 and notes material interface 4, sealed rubber ring 2 is located in the mould body 1 and is used for the inner chamber of sealed mould body 1, and evacuation interface 3 is seted up on mould body 1 and is worn to locate sealed rubber ring 2, annotates material interface 4 and wears to locate mould body 1 rather than the inner chamber intercommunication, and the inner chamber of mould body 1 is used for placing high-tension electricity product 5.

In this embodiment, the sealing rubber ring 2 is provided to seal the inner cavity of the vacuum injection molding mold, and the vacuum pumping is realized in the cavity of the vacuum injection molding mold, and because the cavity of the vacuum injection molding mold has a small volume, the vacuum pumping speed is faster, the exhaust effect can be completely achieved, and the appearance of the high-voltage electrical product 5 is perfect and has no defects.

In some alternative embodiments, as shown in fig. 2, the mold body 1 includes a first mold 101 and a second mold 102, and the first mold 101 and the second mold 102 are butted to form the mold body 1. Specifically, the opening and closing of the first mold 101 and the second mold 102 enables the high-voltage electrical product 4 to be placed in the mold body 1 or to be taken out from the mold body 1.

In some alternative embodiments, as shown in FIG. 3, the vacuum interface 3 includes a suction nozzle 301 and a base 302, the base 302 is secured to the bottom of the suction nozzle 301, and the first central aperture 3011 of the suction nozzle 301 communicates with the second central aperture 3021 of the base 302. Specifically, the vacuum pumping port 3 is used for pumping vacuum to the inner cavity of the mold body 1, and the air pump is connected to the upper end of the air suction nozzle 301.

In some alternative embodiments, as shown in fig. 3, the first central bore 3011 is coaxial with the second central bore 3021 and the diameter of the second central bore 3021 is greater than the diameter of the first central bore 3011. The arrangement is to quickly extract air in the mold body 1.

In some alternative embodiments, as shown in fig. 4, the second central bore 3021 has a trapezoidal cross-section with the upper base length of the trapezoid being the same as the diameter of the first central bore 3011. Specifically, the second center hole 3021 is formed in such a shape as to have a bell-mouth shape, which facilitates air collection and enables faster air discharge.

In some alternative embodiments, as shown in FIGS. 3-4, the outer wall of the air extraction nozzle 301 is provided with a circumferential bead 3012, and the bottom of the bead 3012 is in sealing contact with the die body 1. The protruding edge 3012 is provided to seal the contact between the suction nozzle 301 and the die body 1, and prevent air from entering the cavity of the die body 1 through a gap at the contact.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and alterations to this application will become apparent to those skilled in the art without departing from the scope of this invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a high-voltage electrical product insulating material's vacuum injection moulding mould, its characterized in that, includes mould body (1), sealed rubber ring (2), evacuation interface (3) and notes material interface (4), sealed rubber ring (2) are located just be used for sealing in the mould body (1) the inner chamber of mould body (1), evacuation interface (3) are seted up on mould body (1) and are worn to locate sealed rubber ring (2), it wears to locate to annotate material interface (4) mould body (1) and its inner chamber intercommunication, the inner chamber of mould body (1) is used for placing high-voltage electrical product (5).

2. Vacuum injection mould for insulation material of high voltage electrical products according to claim 1, characterized in that the mould body (1) comprises a first mould (101) and a second mould (102), the first mould (101) and the second mould (102) being butted to form the mould body (1).

3. Vacuum injection mould for insulating material of high voltage electrical products according to claim 1, characterised in that the vacuum connection (3) comprises an air nozzle (301) and a base (302), the base (302) being fixed to the bottom of the air nozzle (301), the first central hole (3011) of the air nozzle (301) communicating with the second central hole (3021) of the base (302).

4. A vacuum injection mould of insulation material for high voltage electrical products according to claim 3, characterized in that the first central hole (3011) is coaxial with the second central hole (3021) and the diameter of the second central hole (3021) is larger than the diameter of the first central hole (3011).

5. The vacuum injection mold for insulation material of high voltage electrical product according to claim 4, wherein the second center hole (3021) has a trapezoidal cross section, and the length of the upper bottom of the trapezoidal cross section is the same as the diameter of the first center hole (3011).

6. The vacuum injection mold for insulating material of high-voltage electrical products according to claim 3, characterized in that the outer wall of the air suction nozzle (301) is provided with a circle of convex edge (3012) along the circumference, and the bottom of the convex edge (3012) is in sealing contact with the mold body (1).