CN220052713U

CN220052713U - Ejecting structure of connector injection mold

Info

Publication number: CN220052713U
Application number: CN202320498904.6U
Authority: CN
Inventors: 雷凤
Original assignee: Kunshan Xintengsheng Precision Mould Co ltd
Current assignee: Kunshan Xintengsheng Precision Mould Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-11-21
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses an ejection structure of an injection mold of a connector, which comprises a bottom plate, wherein a back mold base is arranged on the front surface of the bottom plate, a back mold is fixedly arranged on the back mold base, a mold is fixedly arranged on the front surface of the back mold, a front mold is arranged on the front surface of the mold, a mold cover is correspondingly arranged on the front mold, the rear of the front mold is connected with a front mold fixing plate, a main runner is arranged on the front mold fixing plate, and a filling nozzle is inserted in the main runner. The second fixed plate of the connector injection mold ejection structure forms a horizontal pushing structure with the first fixed plate through the telescopic arm under the driving of the electric push rod, and the secondary ejector pin forms a sliding structure with the first through hole through the second fixed plate, so that when the primary ejector pin is difficult to eject in the ejection process, the secondary ejector pin can assist ejection, and the rear mold base of the device forms a limiting sliding structure with the bottom plate in the spiral hole and the sliding groove through the screw rod and the sliding rod under the driving of the servo motor, so that the primary ejector pin is adjusted to the optimal stress point according to the mold shape.

Description

Ejecting structure of connector injection mold

Technical Field

The utility model relates to the technical field of connector injection molds, in particular to an ejection structure of a connector injection mold.

Background

The injection mould, also called injection moulding, is a moulding method for injection and moulding, and its advantages are high speed and efficiency, automatic operation, multiple colours, simplified shape, small size and accurate size. After injection of the injection mold is completed, the cooled mold in the mold needs to be taken out, and then the ejection structure is used to assist in taking out the mold.

In the working process of the ejection structure, the ejector pin fixing plate can be pushed by the fixing rod, so that the inner die of the die is ejected out by the ejector pin. The single thimble of the existing ejection structure in the working process leads to lower working efficiency of the structure, and the position of the thimble cannot be adjusted, so that the weak part of the model cannot be avoided, and damage to the model is caused in the ejection process. Therefore, an ejector structure of an injection mold for a connector is proposed to solve the above problems.

Disclosure of Invention

The utility model aims to provide an ejection structure of an injection mold of a connector, which solves the problems that the existing ejection structure provided in the prior art has lower working efficiency due to a single ejector pin in the working process, and the position of the ejector pin cannot be adjusted, so that the weaker part of the mold cannot be avoided, and the mold is damaged in the ejection process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a connector injection mold ejection structure, includes the bottom plate, the bottom plate openly is equipped with the back mould base, and fixedly is equipped with the back mould on the back mould base, back mould openly is fixed and is equipped with the mould, and the mould openly is equipped with the front mould, and correspond on the front mould and be equipped with the mould lid, front mould rear connection front mould fixed plate, and set up the sprue on the front mould fixed plate, and alternate in the sprue and have the filling mouth, set up two sets of thing grooves on the back mould base, and put thing inslot fixed electric putter that is equipped with, electric putter one end is equipped with the telescopic arm, and alternate on two sets of telescopic arm and have first fixed plate, first fixed plate one side is fixed and is equipped with the bolt, and spiral has the main thimble on the bolt, the same set of second fixed plate is connected to the other end of two sets of telescopic arm, and evenly is equipped with the multiunit bolt on the second fixed plate, and spiral has the second thimble on the bolt, back mould, mould correspond on and set up the first through-hole that the size is the same, and main thimble, the time is movable in first through-hole, alternate on the bottom plate, on the back mould base have the second through-hole, and second through-hole;

the back mould base is equipped with the motor box in one side, and the motor box internal fixation is equipped with servo motor, servo motor's output shaft passes through the shaft coupling connecting screw rod, and screw rod one side corresponds and is equipped with the slide bar, the spout has been seted up in the top correspondence to the back mould base, and the back mould base has seted up the spiral hole in the below correspondence, the slide bar alternates in the spout, and the screw rod spiral is in the spiral hole.

Preferably, the first fixing plate and the rear mould form a horizontal pushing structure through the fixing rod, the second through hole and the main thimble forms a sliding structure through the first fixing plate and the first through hole.

Preferably, the second fixing plate and the first fixing plate form a horizontal pushing structure under the drive of the electric push rod through the telescopic arm, and the secondary thimble and the first through hole form a sliding structure through the second fixing plate.

Preferably, the rear die base and the bottom plate form a limiting sliding structure in the spiral hole and the sliding groove through the screw rod and the sliding rod under the drive of the servo motor.

Preferably, the screw thread grooves matched with the bolts are respectively formed at one ends of the main thimble and the secondary thimble, and the main thimble and the secondary thimble form a spiral locking structure with the first fixing plate and the second fixing plate through the bolts.

Compared with the prior art, the utility model has the beneficial effects that: the second fixed plate of the connector injection mold ejection structure forms a horizontal pushing structure with the first fixed plate through the telescopic arm under the driving of the electric push rod, and the secondary ejector pin forms a sliding structure with the first through hole through the second fixed plate, so that when the primary ejector pin is difficult to eject in the ejection process, the secondary ejector pin can assist ejection, the rear mold base of the device forms a limiting sliding structure with the bottom plate in the spiral hole and the sliding groove through the screw rod and the sliding rod under the driving of the servo motor, the primary ejector pin is adjusted to the optimal stress point according to the mold shape, one ends of the primary ejector pin and the secondary ejector pin of the device are respectively provided with a thread groove matched with the bolt, and the primary ejector pin and the secondary ejector pin form a spiral locking structure with the first fixed plate and the second fixed plate through the bolts, so that the weak stress part of the mold is removed, and damage to the mold in the ejection process is avoided.

Drawings

FIG. 1 is a schematic diagram of an ejection structure of an injection mold of a connector according to the present utility model;

FIG. 2 is a schematic diagram of the working structures of a primary thimble and a secondary thimble of an ejection structure of an injection mold of a connector according to the present utility model;

FIG. 3 is a schematic view of a limit sliding assembly of an ejector structure of an injection mold of a connector according to the present utility model;

fig. 4 is a schematic structural view of a screw locking assembly of an ejection structure of an injection mold of a connector according to the present utility model.

In the figure: 1. the bottom plate, 2, back mould base, 3, back mould, 4, mould, 5, front mould, 6, front mould fixed plate, 7, dead lever, 8, first through-hole, 9, first fixed plate, 10, bolt, 11, main thimble, 12, put thing groove, 13, electric putter, 14, flexible arm, 15, second fixed plate, 16, secondary thimble, 17, servo motor, 18, shaft coupling, 19, screw rod, 20, spiral hole, 21, slide bar, 22, spout, 23, second through-hole.

Description of the embodiments

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. 1-4, the present utility model provides a technical solution: the utility model provides a connector injection mold ejection structure, including bottom plate 1, bottom plate 1 openly is equipped with back mould base 2, and fixed back mould 3 on back mould base 2, back mould 3 openly is fixed and is equipped with mould 4, and mould 4 openly is equipped with front mould 5, and the correspondence is equipped with the mould lid on the front mould 5, front mould 5 rear connection front mould fixed plate 6, and offer the sprue on the front mould fixed plate 6, and the sprue is inserted, two sets of thing grooves 12 have been offered on the back mould base 2, and put thing inslot fixed be equipped with electric putter 13 in the thing groove 12, electric putter 13 one end is equipped with telescopic arm 14, and it has first fixed plate 9 to alternate on two sets of telescopic arm 14, first fixed plate 9 one side is fixed and is equipped with bolt 10, and the spiral has main thimble 11 on the bolt 10;

further, the first fixing plate 9 and the rear mold 3 form a horizontal pushing structure through the fixing rod 7 and the second through hole 23, and the main ejector pin 11 and the first through hole 8 form a sliding structure through the first fixing plate 9, so that the rear mold 3 is ejected out through the fixing rod 7 and the main ejector pin 11 is pushed to work.

The other ends of the two groups of telescopic arms 14 are connected with the same group of second fixing plates 15, a plurality of groups of bolts 10 are uniformly arranged on the second fixing plates 15, and sub-ejector pins 16 are screwed on the bolts 10;

further, screw thread grooves matched with the bolts 10 are respectively formed in one ends of the main thimble 11 and the secondary thimble 16, and the main thimble 11 and the secondary thimble 16 form a spiral locking structure with the first fixing plate 9 and the second fixing plate 15 through the bolts 10, so that the secondary thimble 16 at the weak part of the model is taken down through the spiral, and damage to the model in the ejection process is avoided.

The rear mould 3 and the mould 4 are correspondingly provided with first through holes 8 with the same size, the main thimble 11 and the secondary thimble 16 are movably arranged in the first through holes 8, the bottom plate 1 and the rear mould base 2 are provided with second through holes 23, and the second through holes 23 are movably inserted with fixing rods 7;

further, the second fixing plate 15 and the first fixing plate 9 form a horizontal pushing structure through the telescopic arm 14 under the driving of the electric push rod 13, and the secondary ejector pin 16 and the first through hole 8 form a sliding structure through the second fixing plate 15, so that when difficulties occur in the working process of the primary ejector pin 11, the secondary ejector pin 16 can be driven to perform auxiliary ejection through the electric push rod 13, and the working efficiency of the structure is further improved.

A motor box is arranged on one side of the rear die base 2, a servo motor 17 is fixedly arranged in the motor box, an output shaft of the servo motor 17 is connected with a screw 19 through a coupler 18, a sliding rod 21 is correspondingly arranged on one side of the screw 19, a sliding groove 22 is correspondingly formed in the upper side of the rear die base 2, a spiral hole 20 is correspondingly formed in the lower side of the rear die base 2, the sliding rod 21 is inserted into the sliding groove 22, and the screw 19 is screwed in the spiral hole 20;

further, the rear mold base 2 and the bottom plate 1 form a limiting sliding structure in the spiral hole 20 and the sliding groove 22 through the screw rod 19 and the sliding rod 21 under the drive of the servo motor 17, so that the main ejector pin 11 is moved to the optimal stress point of the mold according to the shape of the mold, and the mold is conveniently demolded.

Working principle: in the ejection structure of the injection mold with the connector, firstly, a servo motor 17 is started, an output shaft of the servo motor 17 drives a screw 19 to screw through a coupler 18, so that the screw 19 drives a rear mold base 2 to move in position, a slide bar 21 above the rear mold base 2 limits the rear mold base 2, then a main ejector pin 11 is moved to an optimal stress point according to the shape of the mold 4, and a weak stress part of the mold is found according to the shape of the mold 4, so that a secondary ejector pin 16 at a corresponding position is taken down through the screw, and damage to the mold in the ejection process is avoided; after the positions of the main ejector pins 11 and the number of the sub ejector pins 16 are adjusted, the injection mold can start to work, the rear mold 3 is pushed to move towards the front mold 5, the mold 4 is placed in the mold cover, then a filling nozzle injects materials into the mold through a main runner, after the materials in the mold 4 are cooled and molded, the rear mold 3 is reversely moved to the original position, so that the fixing rod 7 pushes out the first fixing plate 9 through the second through hole 23, and the first fixing plate 9 drives the main ejector pins 11 to eject the mold of the mold 4; if the main ejector pin 11 is difficult to work, the electric push rod 13 is started, the electric push rod 13 drives the second fixing plate 15 to move forwards through the telescopic arm 14, and the second fixing plate 15 drives the secondary ejector pin 16 to move in the first through hole 8, so that the auxiliary ejection of the internal model of the die 4 is carried out. This is the use of this connector injection mold ejection structure.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a connector injection mold ejection structure, includes bottom plate (1), bottom plate (1) openly is equipped with back mould base (2), and fixed back mould (3) of being equipped with on back mould base (2), back mould (3) openly are fixed and are equipped with mould (4), and mould (4) openly are equipped with front mould (5), and correspond on front mould (5) and be equipped with the mould lid, front mould fixed plate (6) are connected at front mould (5) rear, and have seted up the sprue on front mould fixed plate (6), and alternate in the sprue to have a filling nozzle, its characterized in that: two groups of object placing grooves (12) are formed in the rear die base (2), an electric push rod (13) is fixedly arranged in each object placing groove (12), one end of each electric push rod (13) is provided with a telescopic arm (14), a first fixing plate (9) is inserted into each telescopic arm (14), bolts (10) are fixedly arranged in the middle of one surface of each first fixing plate (9), main ejector pins (11) are screwed on the bolts (10), the other ends of the two groups of telescopic arms (14) are connected with the same group of second fixing plates (15), multiple groups of bolts (10) are uniformly arranged on the second fixing plates (15), secondary ejector pins (16) are screwed on the bolts (10), first through holes (8) with the same size are correspondingly formed in the rear die (3) and the die (4), the main ejector pins (11) and the secondary ejector pins (16) move in the first through holes (8), second through holes (23) are formed in the bottom plate (1) and the rear die base (2), and fixing rods (7) move in the second through holes (23);

the utility model discloses a die for a plastic cement machine, including back mould base (2), motor box internal fixation, servo motor (17), the output shaft of servo motor (17) passes through shaft coupling (18) connecting screw rod (19), and screw rod (19) one side corresponds and be equipped with slide bar (21), spout (22) have been seted up in the top correspondence to back mould base (2), and back mould base (2) have seted up spiral hole (20) in the below correspondence, slide bar (21) alternate in spout (22), and screw rod (19) spiral in spiral hole (20).

2. The connector injection mold ejection structure of claim 1, wherein: the first fixing plate (9) and the rear die (3) form a horizontal pushing structure through the fixing rod (7), the second through hole (23), and the main thimble (11) and the first through hole (8) form a sliding structure through the first fixing plate (9).

3. The connector injection mold ejection structure of claim 1, wherein: the second fixing plate (15) and the first fixing plate (9) form a horizontal pushing structure through the telescopic arm (14) under the driving of the electric push rod (13), and the secondary thimble (16) and the first through hole (8) form a sliding structure through the second fixing plate (15).

4. The connector injection mold ejection structure of claim 1, wherein: the rear die base (2) and the bottom plate (1) form a limiting sliding structure in the spiral hole (20) and the sliding groove (22) through the screw rod (19) and the sliding rod (21) under the drive of the servo motor (17).

5. The connector injection mold ejection structure of claim 1, wherein: screw thread grooves matched with the bolts (10) are respectively formed in one ends of the main thimble (11) and the secondary thimble (16), and the main thimble (11) and the secondary thimble (16) form a spiral locking structure with the first fixing plate (9) and the second fixing plate (15) through the bolts (10).