CN218928473U

CN218928473U - Injection mold for high-voltage direct-current electric appliance base frame

Info

Publication number: CN218928473U
Application number: CN202223217490.XU
Authority: CN
Inventors: 钱佳杰; 汤真总
Original assignee: Jiaxing Jiaheng Precision Mould Co ltd
Current assignee: Jiaxing Jiaheng Precision Mould Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-28
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses an injection mold for a high-voltage direct-current electric appliance base frame, which aims to provide an injection mold with high product molding precision and high molding efficiency and capable of realizing in-mold punching.

Description

Injection mold for high-voltage direct-current electric appliance base frame

Technical Field

The utility model relates to a processing injection mold, in particular to an injection mold for a high-voltage direct-current electric appliance base frame.

Background

An electrical appliance is broadly an electrical appliance in which a coil is used to flow current to generate a magnetic field in industrial electricity, so that a contact is closed to control a load. The electric appliances are divided into alternating current electric appliances (voltage AC) and direct current electric appliances (voltage DC), and are applied to electric power, power distribution and electric power utilization, and the base frame is an important component part in the high-voltage direct current electric appliances and is used for installing coils, iron cores and the like.

The traditional injection mold for the high-voltage direct-current electric appliance base frame adopts a mold core between a movable mold and a fixed mold as a mold cavity for injection molding, and has the following defects: 1. because of the bulge on one side of the electric appliance base frame, the corresponding side parting mechanism is absent, and the molding precision is poor; 2. because the electric appliance base frame is a compact fine part, the electric appliance base frame lacks corresponding in-mold punching and breaking cooperation, and has the problem of lower molding efficiency.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an injection mold of a high-voltage direct-current electric appliance base frame, which has high molding precision and high molding efficiency and can realize in-mold punching.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides an injection mold for high voltage direct current electrical apparatus bed frame, includes fixed die plate, movable mould board, sets up the panel and the bottom plate of setting in movable mould board bottom on the fixed die plate, be provided with the pouring gate on the panel, be provided with the cover half die benevolence on the fixed die plate, be provided with the movable mould benevolence on the movable mould board, be formed with the basic frame die cavity between cover half die benevolence and the movable mould benevolence, be provided with ejection mechanism between movable mould board and the bottom plate, still including in-mould punching mechanism and side parting mechanism, side parting mechanism sets up in bed frame die cavity one side, in-mould punching mechanism includes the punching pin that sets up on the panel, the compression spring of setting on the fixed die plate and the blanking hole of setting on the movable mould board, the punching pin runs through the cover half die benevolence and cooperates on the basic frame die cavity, movable mould benevolence corresponds punching pin position department and is provided with the punching hole, punching hole and blanking hole switch on each other.

Preferably, the side parting mechanism comprises a sliding block matched in the base frame molding cavity, a sliding block seat for driving the sliding block to horizontally move and an inclined guide post matched on the fixed die plate, one end of the inclined guide post penetrates through the sliding block seat, and a pressing strip is arranged on one side of the sliding block seat.

Preferably, the ejection mechanism comprises a thimble panel arranged between the movable mould plate and the bottom plate, a plurality of thimbles arranged on the thimble panel and a reset spring arranged between the thimble panel and the movable mould plate, one end of each thimble penetrates through the movable mould core and is matched with the base frame forming cavity, the bottom of the thimble panel is provided with a thimble bottom plate, and the thimble panel is further provided with a limiting column.

Preferably, a pouring runner is arranged in the pouring gate, and one end of the pouring runner penetrates through the fixed die core and is matched in the base frame forming cavity.

Preferably, a positioning ring is arranged at the top of the panel, and the pouring opening is correspondingly arranged at the center of the positioning ring.

Preferably, a die foot is arranged between the movable die plate and the bottom plate, a guide pillar is arranged on the panel, and one end of the guide pillar penetrates through the movable die plate and the fixed die plate and is matched with the die foot.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the design of in-mould punching mechanism in the utility model for connect the waste material directly to realize punching off in the inside of mould between a plurality of inseparable meticulous bed frame parts, need not the cutting processing after the drawing of patterns, improved the shaping efficiency of product greatly.

2. The utility model discloses in through the design of side parting mechanism, overcome the unloading interference problem because of protruding the leading to in bed frame one side, realize bellied fine shaping through the cooperation of slider and base frame shaping chamber simultaneously, product shaping precision is high.

Drawings

Fig. 1 is a schematic structural view of an injection mold for a high-voltage direct-current electrical appliance pedestal according to the present utility model;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

fig. 3 is a sectional view in the direction B-B of fig. 1.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an injection mold for a high voltage direct current electrical appliance pedestal comprises a fixed mold plate 1, a movable mold plate 2, a panel 3 arranged on the fixed mold plate 1 and a bottom plate 4 arranged at the bottom of the movable mold plate 2, wherein a pouring gate 5 is arranged on the panel 3, a fixed mold core 11 is arranged on the fixed mold plate 1, a movable mold core 21 is arranged on the movable mold plate 2, a pedestal forming cavity 6 is formed between the fixed mold core 11 and the movable mold core 21, an ejection mechanism 7 is arranged between the movable mold plate 2 and the bottom plate 4, an in-mold punching mechanism 8 and a side parting mechanism 9 are further arranged, the parting mechanism 9 is arranged on one side of the pedestal forming cavity 6, the in-mold punching mechanism 8 comprises a punching needle 81 arranged on the panel 3, a compression spring 82 arranged on the fixed mold plate 1 and a blanking hole 83 arranged on the movable mold plate 2, the punching pin 81 runs through the cover half die core 11 and cooperates on the bed frame shaping chamber 6, movable die core 21 corresponds punching pin 81 position department and is provided with punching hole 84, punching hole 84 and blanking hole 83 switch on each other, in the utility model, in the mould punching mechanism 8 is as follows in the punching flow of mould, at first by compression spring 82 ensure to stretch out between panel 3 and the fixed die plate 1, guarantee that punching pin 81 is motionless before the compound die, then after injection moulding, the compound die is punched out by punching pin 81 to the connection waste material between a plurality of inseparable type bed frames in the bed frame shaping chamber 6, the waste material of punching enters into punching hole 84, finally by blanking hole 83 discharge, the utility model discloses realize directly punching in the inside realization of mould, need not the cutting after the drawing of patterns, simple structure, reasonable in design have improved the shaping efficiency of product greatly.

The side parting mechanism 9 comprises a sliding block 91 matched in the base frame molding cavity 6, a sliding block seat 92 for driving the sliding block 91 to horizontally move and an inclined guide pillar 93 matched on the fixed die plate 1, one end of the inclined guide pillar 93 penetrates through the sliding block seat 92, a pressing strip 94 is arranged on one side of the sliding block seat 92, the working flow of the side parting mechanism 9 is as follows, when the molding and the die closing are carried out, the sliding block 91 is in sliding fit with the base frame molding cavity 6 leftwards under the action of the inclined guide pillar 93 so as to facilitate the molding of a product, after the molding and the die opening are carried out, the sliding block 91 slides rightwards under the action of the inclined guide pillar 93 so as to separate from the base frame molding cavity 6, the side parting mechanism 9 realizes the fine molding of the protrusion of the product base frame, and the product molding precision is high.

The ejector mechanism 7 comprises an ejector pin panel 71 arranged between the movable die plate 2 and the bottom plate 4, a plurality of ejector pins 72 arranged on the ejector pin panel 71 and a reset spring 73 arranged between the ejector pin panel 71 and the movable die plate 2, one end of each ejector pin 72 penetrates through the movable die core 21 and is matched with the movable die core on the base frame forming cavity 6, an ejector pin bottom plate 74 is arranged at the bottom of the ejector pin panel 71, a limit column 75 is further arranged on the ejector pin panel 71, the ejector mechanism 7 realizes demolding of a product through the ejector pins 72, the ejector stroke is controlled through the limit column 75, and the reset spring 73 ensures automatic reset after ejection of the ejector pins 72.

A pouring runner 51 is arranged in the pouring gate 5, one end of the pouring runner 51 penetrates through the fixed die core 11 and is matched in the base frame forming cavity 6, and the pouring runner 51 adopts a symmetrical double-runner design to ensure stable pouring.

The top of panel 3 is provided with retainer plate 31, and pouring gate 5 corresponds the center that sets up at retainer plate 31, and retainer plate 31 guarantees that mould pouring gate 5 aligns with the mouth of penetrating of injection molding machine.

A die foot 10 is arranged between the movable die plate 2 and the bottom plate 4, a guide post 32 is arranged on the panel 3, and one end of the guide post 32 penetrates through the movable die plate 2 and the fixed die plate 1 and is matched with the die foot 10.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold for high voltage direct current electrical apparatus bed frame, includes fixed die plate, movable mould board, sets up the panel on the fixed die plate and sets up the bottom plate in the movable mould board bottom, be provided with the sprue gate on the panel, be provided with the cover half mould benevolence on the fixed die plate, be provided with the movable mould benevolence on the movable mould board, be formed with the base frame and become the die cavity between cover half mould benevolence and the movable mould benevolence, be provided with ejection mechanism between movable mould board and the bottom plate, its characterized in that: the die is characterized by further comprising an in-die punching mechanism and a side parting mechanism, wherein the side parting mechanism is arranged on one side of the base frame forming cavity, the in-die punching mechanism comprises a punching needle arranged on the panel, a compression spring arranged on the fixed die plate and a blanking hole arranged on the movable die plate, the punching needle penetrates through the fixed die core and is matched with the base frame forming cavity, a punching hole is formed in the position of the movable die core corresponding to the punching needle, and the punching hole and the blanking hole are mutually communicated.

2. An injection mold for a high voltage direct current electrical appliance pedestal according to claim 1, wherein: the side parting mechanism comprises a sliding block matched in the base frame forming cavity, a sliding block seat for driving the sliding block to horizontally move and an inclined guide post matched on the fixed die plate, one end of the inclined guide post penetrates through the sliding block seat, and one side of the sliding block seat is provided with a pressing strip.

3. An injection mold for a high voltage direct current electrical appliance pedestal according to claim 2, wherein: the ejector mechanism comprises an ejector pin panel arranged between the movable die plate and the bottom plate, a plurality of ejector pins arranged on the ejector pin panel and a reset spring arranged between the ejector pin panel and the movable die plate, one end of each ejector pin penetrates through the movable die core and is matched with the movable die core on the base frame forming cavity, the bottom of the ejector pin panel is provided with the ejector pin bottom plate, and the ejector pin panel is further provided with a limiting column.

4. An injection mold for a high voltage direct current electrical appliance base frame according to claim 1 or 2 or 3, characterized in that: a pouring runner is arranged in the pouring gate, and one end of the pouring runner penetrates through the fixed die core and is matched in the base frame forming cavity.

5. An injection mold for a high voltage direct current electrical appliance base frame according to claim 1 or 2 or 3, characterized in that: the top of panel is provided with the retainer plate, the pouring gate corresponds the center that sets up at the retainer plate.

6. An injection mold for a high voltage direct current electrical appliance base frame according to claim 1 or 2 or 3, characterized in that: the movable die plate is characterized in that a die foot is arranged between the movable die plate and the bottom plate, a guide pillar is arranged on the panel, and one end of the guide pillar penetrates through the movable die plate and the fixed die plate and is matched with the die foot.