CN218838404U

CN218838404U - Motor stator rubber coating injection mold

Info

Publication number: CN218838404U
Application number: CN202222935450.2U
Authority: CN
Inventors: 乔平生
Original assignee: Suzhou Boqierbei Electronic Technology Co ltd
Current assignee: Suzhou Boqierbei Electronic Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-04-11
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a motor stator rubber coating injection mold, including cover half seat, movable mould seat, iron core setting element and injection nozzle, the cover half of rectangle is installed in the upper portion embedding of cover half seat, the upside of cover half is equipped with the circular recess, fixedly connected with position sleeve in the circular recess, position sleeve are used for grafting iron core setting element, be equipped with the mounting hole that runs through on the movable mould, gliding mould benevolence from top to bottom is installed for step hole and looks adaptation to the mounting hole, is formed with the chamber of moulding plastics between mould benevolence and the position sleeve, the downside at the movable mould seat is installed in the movable mould embedding, stand fixed mounting is passed through on the upper portion of movable mould seat has the roof, roof downside fixed mounting has the hydro-cylinder, the push rod and the mould benevolence fixed connection of hydro-cylinder. The stator is wrapped by the injection molding and encapsulation method, and the encapsulation sleeve is high in fitting degree with the stator, so that the played insulation effect is good, the assembly step is omitted, the process is simplified, and the efficiency is improved.

Description

Motor stator rubber coating injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is a motor stator rubber coating injection mold.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, and mainly comprises a stator and a rotor, wherein the stator is a static part of a motor or a generator. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current. The outer end of the current motor stator prevents the short circuit of winding wires through installing the insulating end cover, the insulating end cover is molded by injection alone, the stator is in the wire winding back, the tip is not regular shape, therefore insulating end cover and stator are difficult to accomplish very high matching degree, it is not very good to play insulating effect, need manual work or machine to overlap insulating end cover pressure on the stator in addition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor stator rubber coating injection mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a motor stator rubber coating injection mold, includes cover half seat, movable mould seat, iron core setting element and injection mouth, the cover half of rectangle is installed in the upper portion embedding of cover half seat, the upside of cover half is equipped with the circular recess, fixedly connected with position sleeve in the circular recess, position sleeve are used for grafting iron core setting element, be equipped with the mounting hole that runs through on the movable mould, gliding mould benevolence about the mounting hole is installed for step hole and looks adaptation, is formed with the chamber of moulding plastics between mould benevolence and the position sleeve, the downside at the movable mould seat is installed in the movable mould embedding, there is the roof on the upper portion of movable mould seat through stand fixed mounting, roof downside fixed mounting has the hydro-cylinder, the push rod and the mould benevolence fixed connection of hydro-cylinder.

Preferably, four corners of the bottom of the movable die holder are fixedly connected with pin columns, four corners of the fixed die holder are provided with pin holes, and the lower ends of the pin columns are inserted into the pin holes and are in sliding connection with the pin holes.

Preferably, the injection nozzle penetrates through the top plate and is fixedly connected with the top plate, a flow channel is arranged in the movable die holder, and the injection nozzle is communicated with the injection molding cavity through the flow channel.

Compared with the prior art, the beneficial effects of the utility model are that: the movable die holder and the top plate synchronously move to realize opening and closing of the die, the stator to be encapsulated is sleeved on the iron core positioning piece, the oil cylinder drives the die core to move after the die is closed to compensate the accumulated tolerance of the stator, the problem of flash is avoided, glue solution is injected into the injection cavity from the injection nozzle, and the end part and the inside of the stator are wrapped after the glue solution is solidified. Utilize the mode parcel stator of the rubber coating of moulding plastics, the laminating degree of rubber coating cover and stator is high, and the insulating effect that consequently plays is good, saves the assembly step, simplifies technology, is favorable to raising the efficiency.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic structural view of the iron core positioning member of the present invention;

fig. 3 is a schematic view of the structure of the present invention.

In the figure: 1. a die fixing seat; 2. fixing a mold; 3. moving the mold; 4. a positioning sleeve; 5. a pin; 6. a mold core; 7. an iron core positioning member; 8. mounting holes; 9. a movable die holder; 10. a top plate; 11. an oil cylinder; 12. an injection nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a motor stator rubber coating injection mold, includes cover half seat 1, movable mould seat 9, iron core setting element 7 and injection nozzle 12, and the cover half 2 of rectangle is installed in the upper portion embedding of cover half seat 1, and the bottom four corners fixedly connected with round pin post 5 of movable mould seat 9, and the four corners of cover half seat 1 are equipped with the pinhole, and the pinhole is inserted and rather than sliding connection to the lower extreme of round pin post 5, and round pin post 5 plays guiding orientation's effect to the removal of movable mould seat 9.

The upside of cover half 2 is equipped with the circular recess, fixedly connected with position sleeve 4 in the circular recess, and position sleeve 4 is used for pegging graft iron core setting element 7, and the stator cup joints on iron core setting element 7, and iron core setting element 7 and the inner chamber looks adaptation of stator. The movable die 3 is provided with a through mounting hole 8, the mounting hole 8 is a step hole and is matched with the step hole to be provided with a die core 6 capable of sliding up and down, an injection molding cavity is formed between the die core 6 and the positioning sleeve 4, during rubber coating, the stator is positioned in the injection molding cavity, glue solution fills a gap between the stator and the injection molding cavity, the stator is wrapped from the outside (the part A in figure 1 is the stator after rubber coating), and the movable die 3 is embedded and installed on the lower side of the movable die holder 9.

The upper part of the movable die holder 9 is fixedly provided with a top plate 10 through an upright post, the lower side of the top plate 10 is fixedly provided with an oil cylinder 11, and a push rod of the oil cylinder 11 is fixedly connected with the die core 6. The injection nozzle 12 penetrates through the top plate 10 and is fixedly connected with the top plate, a flow channel is arranged in the movable mold base 9, the injection nozzle 12 is communicated with the injection molding cavity through the flow channel, the actual sizes of the stators have certain difference due to tolerance accumulation of the stators, and the oil cylinder 11 is used for pushing the mold core 6 to move to compensate the accumulated tolerance.

The working principle is as follows: install this device on the injection molding machine during the use, movable mould seat 9, roof 10 synchronous movement realizes the die sinking, the compound die, when carrying out the rubber coating to the stator, overlap the stator on iron core setting element 7, then the compound die, hydro-cylinder 11 drive mould benevolence 6 is pressed in the upper end of stator, compensate the accumulative tolerance of stator, inject the glue solution to the intracavity of moulding plastics from injection nozzle 12, the tip and the inside of stator are wrapped up to the glue solution solidification back, play the effect of insulation protection, take out stator package rubber spare after the die sinking, accomplish course of working (the mould disclosed in the attached drawing can be the stator of two kinds of specifications of rubber coating simultaneously).

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

Claims

1. The utility model provides a motor stator rubber coating injection mold, includes die holder (1), movable mould seat (9), iron core setting element (7) and injection nozzle (12), its characterized in that: the utility model discloses a mould, including the cover half of rectangle, the upper portion embedding of cover half (1) is installed cover half (2), the upside of cover half (2) is equipped with the circular recess, fixedly connected with position sleeve (4) in the circular recess, position sleeve (4) are used for pegging graft iron core setting element (7), be equipped with mounting hole (8) that run through on movable mould (3), gliding mould benevolence (6) about can be installed for step hole and looks adaptation in mounting hole (8), are formed with the chamber of moulding plastics between mould benevolence (6) and position sleeve (4), the downside in movable mould (9) is installed in movable mould (3) embedding, there is roof (10) on the upper portion of movable mould seat (9) through stand fixed mounting, roof (10) downside fixed mounting has hydro-cylinder (11), the push rod and mould benevolence (6) fixed connection of hydro-cylinder (11).

2. The motor stator encapsulation injection mold according to claim 1, wherein: the four corners of the bottom of the movable die holder (9) are fixedly connected with pin columns (5), the four corners of the fixed die holder (1) are provided with pin holes, and the lower ends of the pin columns (5) are inserted into the pin holes and are in sliding connection with the pin holes.

3. The motor stator over-molding injection mold according to claim 1, characterized in that: the injection nozzle (12) penetrates through the top plate (10) and is fixedly connected with the top plate, a flow channel is arranged in the movable die holder (9), and the injection nozzle (12) is communicated with the injection molding cavity through the flow channel.