CN218640244U

CN218640244U - Plastic terminal mould with slide ejection function

Info

Publication number: CN218640244U
Application number: CN202222825967.6U
Authority: CN
Inventors: 董志福; 林兴高; 汤浩; 赵晨雷
Original assignee: Shenzhen Kewei Excellent Mould Co ltd
Current assignee: Shenzhen Kewei Excellent Mould Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-17
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a plastic terminal mould with slide ejection function, which comprises a front mould and a rear mould, wherein a cavity of a plastic terminal is formed between the front mould and the rear mould, a slide stripping structure is also arranged on the rear mould, and the cavity of the plastic terminal is arranged on the front side surface of the slide stripping structure; the slide demoulding structure comprises a power part, a demoulding part, a guide part and a limiting part; the power part is in limit connection with the ejector plate; the limiting part is fixedly connected to the front side surface of the power part, and the demolding part is in limiting connection to the front side surface of the power part through the limiting part; the guide part is arranged on the left side surface and the right side surface of the power part, and the demoulding part is in limit connection with the guide part. The utility model has stable and reliable structure and high working efficiency; especially, the structure moves continuously, safely and reliably during mass production, and the produced product has no thimble marks on appearance.

Description

Plastic terminal mould with slide ejection function

Technical Field

The utility model belongs to the technical field of small-size plastic product mould, concretely relates to plastic terminal mould with capable ejecting function of position.

Background

The terminal, a multi-finger terminal, also called a connecting terminal, is a small plastic product, which is common in electronic and electrical products, and the main body frame is made of plastic.

The industrial production of the terminal needs to use an injection molding machine, and the injection molding machine is provided with a corresponding mold. The size of the die in the prior art is large, the ejector pins are usually adopted to eject the terminals, core pulling is carried out in a slide way, and ejector pin marks are generated on a product subjected to die stripping, so that the appearance is influenced, and even flaws are slightly displayed.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem, the utility model provides a plastic terminal mould with capable ejecting function of position, technical scheme is as follows:

a plastic terminal die with a slide ejection function comprises a front die and a rear die, wherein a cavity of a plastic terminal is formed between the front die and the rear die; the rear die is also provided with a slide stripping structure, and the cavity of the plastic terminal is arranged on the front side surface of the slide stripping structure; the slide demoulding structure comprises a power part, a demoulding part, a guide part and a limiting part; the power part is in limit connection with the ejector plate; the limiting part is fixedly connected to the front side surface of the power part, and the demolding part is in limiting connection to the front side surface of the power part through the limiting part; the guide part is arranged on the left side surface and the right side surface of the power part, and the demoulding part is connected with the guide part in a limiting way.

Further, the power part comprises a push block, a lateral mold core and a push rod; the lower end of the push rod is connected with the ejector plate, and the push block is fixedly connected with the upper end of the push rod; the lateral mold core is fixedly arranged on the front side surface of the push block; the cavities of the plastic terminals are arranged in front of the lateral cores.

Furthermore, the demoulding part comprises a line position which is of a plate-shaped structure; the limiting control part comprises limiting screws which are fixed on the front side surface of the push block in parallel; the slide is connected to the front side surface of the push block in a limiting way through a limiting screw.

Furthermore, the guide part comprises a slide guide needle fixing block, a guide block and a guide needle; the two guide blocks are respectively arranged on the left side and the right side of the push block; two line guide needle fixing blocks are respectively and fixedly connected to the left side and the right side of the line; the two guide needles are respectively and fixedly connected to the two slide guide needle fixing blocks, and are in the same axial direction and the same as the axial direction of the slide; the inner side surfaces of the two guide blocks are respectively provided with a guide groove, the two guide grooves are oppositely arranged and have coincident shapes, and the guide grooves are a section of linear groove; the guide needles are respectively connected in a limiting way in the guide grooves.

Further, the guide groove comprises a lower groove and an upper groove which are communicated, the lower groove is a groove in the vertical direction, the rear end of the upper groove is communicated with the upper end of the lower groove, the lower groove and the upper groove are connected into a broken line type, and the front end of the upper groove is arranged towards the front end of the guide block.

Further, the lower groove and the upper groove on the guide groove are connected at a non-acute angle.

Furthermore, the lower groove and the upper groove on the guide groove are connected in an obtuse angle, and the upper groove is a chute.

Further, the lateral cores are arranged on the front side face of the push block in parallel in the horizontal direction, the push rods are arranged regularly, and the limiting screws are arranged on the front side face of the push block in parallel in the horizontal direction.

Furthermore, four lateral cores are arranged on the front side surface of the push block in parallel; the four push rods are regularly arranged; the two limit screws are arranged on the front side surface of the push block in parallel in the horizontal direction.

Furthermore, the push block is fixed on the push rods which are regularly arranged through cup head screws, and the lateral mold core is fixed on the front side face of the push block through the cup head screws.

The beneficial effects of the utility model are that: the utility model adopts the push block to push the slide to move to demould the product from the rear mold core, the slide pushes the product from the side mold core, the action is coherent, the production period is shortened, no thimble mark is on the product appearance, the structure is stable and reliable, and the work efficiency is high; especially, the structure moves continuously, safely and reliably during mass production.

Drawings

Fig. 1 is a schematic structural view of the middle slide release structure of the present invention.

Fig. 2 is a schematic view of the inverted structure of the middle row dislocation structure of the present invention.

Fig. 3 is a schematic perspective view of the middle and rear molds of the present invention.

Fig. 4 is a perspective view of the present invention.

Reference numerals: the device comprises a push block 1, a slide 2, a slide guide needle fixing block 3, a guide block 4, a guide groove 5, a lower groove 51 and an upper groove 52; the device comprises a lateral mold core 6, a plastic terminal 7, a limiting screw 8, a guide needle 9, a push rod 10, a lead 11, a front mold 12 and a rear mold 13.

Detailed Description

The invention will be further illustrated and described with reference to the following figures and examples.

Since the plastic terminal 7 is a small plastic product, a general mold has a large size compared to the small product, and is not suitable for producing the plastic terminal 7.

In order to mass produce the plastic terminals 7, the embodiment provides a plastic terminal mold with a slide ejection function, which is a mold with a small size specification, and includes a front mold 12 and a rear mold 13, wherein a cavity of the plastic terminal 7 is formed between the front mold 12 and the rear mold 13.

A slide releasing structure is arranged on the rear die 13, and a cavity of the plastic terminal 7 is arranged on the front side surface of the slide releasing structure; the slide demoulding structure comprises a power part, a demoulding part, a guide part and a limiting part; the power part is in limit connection with the ejector plate; the limiting part is fixedly connected to the front side surface of the power part, and the demolding part is in limiting connection to the front side surface of the power part through the limiting part; the guide part is arranged on the left side surface and the right side surface of the power part, and the demoulding part is connected with the guide part in a limiting way.

The power part comprises a push block 1, a lateral core 6 and a push rod 10.

In this embodiment, there are four push rods 10, the four push rods 10 are regularly arranged, the lower ends of the push rods 10 contact with the ejector plate, and the push block 1 is fixed above the regularly arranged push rods 10 by cup screws. The number of the lateral cores 6 is four, and the four lateral cores 6 are fixed on the front side face of the push block 1 in parallel in the horizontal direction through cup head screws. The cavities of the plastic terminals 7 are arranged in front of the lateral cores 6, and the cavity of the plastic terminal 7 is fixedly arranged in front of each lateral core 6 and is used for providing injection molding and curing space for the plastic terminal 7.

The demolding part comprises a row position 2, the row position 2 is of a plate-shaped structure, and the row position 2 is in limit connection with the front side face of the pushing block 1; the limiting control part is mainly a limiting screw 8 and is fixed on the front side surface of the push block 1 in parallel. The number of the limiting screws 8 in the embodiment is two, and the two limiting screws 8 are fixed on the front side face of the push block 1 in parallel in the horizontal direction. The slide 2 is provided with two openings for being respectively communicated with the two limit screws 8 in a limiting way, the slide 2 is connected to the front side surface of the push block 1 in a limiting way through the two limit screws 8, and the slide 2 can move in the up-down and left-right directions in a limited way under the action of the limit screws 8. The travel distance of the movement of the row 2 is controlled by the limit screws 8, and the end of the movement of the row 2 is also controlled by the two limit screws 8.

The guide part comprises a slide guide needle fixing block 3, a guide block 4 and a guide needle 9.

The number of the guide blocks 4 is two, and the guide blocks are respectively arranged on the left side and the right side of the push block 1. The two slide guide needle fixing blocks 3 are respectively and fixedly connected to the left side and the right side of the slide 2. Two guide needles 9 are respectively and fixedly connected in the two slide guide needle fixing blocks 3 and extend outwards for a section; the two guide needles 9 are in the same axial direction and the same as the axial direction of the slide 2; the medial surface of two guide blocks 4 is provided with guide way 5 respectively, and two guide ways 5 set up relatively and the shape can coincide, and guide needle 9 is spacing connection respectively in guide way 5.

In this embodiment, the guide groove 5 includes a lower groove 51 and an upper groove 52 that are communicated with each other, the lower groove 51 is a vertical groove, the rear end of the upper groove 52 is communicated with the upper end of the lower groove 51, the lower groove 51 and the upper groove 52 are connected to form a zigzag shape, and the front end of the upper groove 52 is disposed toward the front end of the guide block 4.

The lower groove 51 and the upper groove 52 on the guide groove 5 are connected at an obtuse angle, the upper groove 52 is a chute, and the front end of the upper groove 52 extends in a limited manner in the oblique upward direction.

In this embodiment, because the guide needle 9 is connected with the guide groove 5 in a limiting manner, a section of the guide needle 9 extending from the slide guide needle fixing block 3 can only move in the guide groove 5. Initially, the guide needle 9 rests at the lowermost part of the lower groove 51.

When the molten plastic is positioned in the cavity of the plastic terminal 7 and clamps the lead 11, the plastic is gradually solidified to form the plastic terminal 7 and is fixedly connected with the lead 11, an upward force is applied to the push rod 10 which is arranged above the ejector plate in the mold, and the push rod 10 drives the push block 1 to move upwards. The pushing block 1 drives the guide needle 9 to move upwards along the lower groove 51 from bottom to top, and the guide needle 9 is fixedly connected to the slide guide needle fixing block 3, the slide guide needle fixing block 3 is fixedly connected to the slide 2, and the slide 2 moves upwards along with the slide.

When the guide needle 9 moves to the upper groove 52 which is a chute, the guide needle 9 drives the row position 2 to move towards the front side until the row position 2 reaches the limit position of the movement stroke under the limit action of the limit screw 8, and then the product at the front side of the side mold core 6 is pushed down.

The implementation steps of this embodiment:

(1) The wire 11 is put into a mold at a predetermined position.

(2) The injection molding machine injects the molten plastic into the closed mold of the embodiment, the plastic is positioned in the cavity of the plastic terminal 7 and clamps the lead 11, and the plastic is gradually solidified to form the plastic terminal 7 and fixedly connected with the lead 11.

(3) The ejector plate applies force to the push rod 10, the push rod 10 pushes the push block 1, and the push block 1 drives the slide 2 to move upwards.

(4) When the guide needle 9 moves into the upper channel 52, the row 2 is instead moved towards the front side until the movement stops, the product being pushed off the lateral core 6.

(5) And taking out the product and closing the die.

The utility model discloses stable in structure is reliable, and work efficiency is high, does not have the thimble seal of a government organization in old china on the product.

Claims

1. A plastic terminal mould with a slide ejection function comprises a front mould (12) and a rear mould (13), wherein a cavity of a plastic terminal (7) is formed between the front mould (12) and the rear mould (13), and is characterized in that the rear mould (13) is also provided with a slide ejection structure, and the cavity of the plastic terminal (7) is arranged on the front side surface of the slide ejection structure; the slide demoulding structure comprises a power part, a demoulding part, a guide part and a limiting part; the power part is in limit connection with the ejector plate; the limiting part is fixedly connected to the front side surface of the power part, and the demolding part is in limiting connection to the front side surface of the power part through the limiting part; the guide part is arranged on the left side surface and the right side surface of the power part, and the demoulding part is in limit connection with the guide part.

2. The plastic terminal mold with slide ejection function according to claim 1, wherein the power part comprises a push block (1), a lateral core (6) and a push rod (10); the lower end of the push rod (10) is connected with the ejector plate, and the push block (1) is fixedly connected with the upper end of the push rod (10); the lateral mold core (6) is fixedly arranged on the front side surface of the push block (1); the cavities of the plastic terminals (7) are arranged in front of the lateral cores (6).

3. The plastic terminal mold with the row position ejecting function as claimed in claim 2, wherein the demolding portion comprises a row position (2), the row position (2) is a plate-shaped structure; the limiting control part comprises limiting screws (8) which are fixed on the front side surface of the push block (1) in parallel; the slide (2) is connected to the front side surface of the push block (1) in a limiting way through a limiting screw (8).

4. The plastic terminal mold with slide ejection function according to claim 3, wherein the guiding portion comprises a slide guiding pin fixing block (3), a guiding block (4) and a guiding pin (9); two guide blocks (4) are respectively arranged at the left side and the right side of the push block (1); two line guide needle fixing blocks (3) are respectively and fixedly connected to the left side and the right side of the line (2); two guide needles (9) are respectively and fixedly connected to the two slide guide needle fixing blocks (3), and the two guide needles (9) are arranged in the same axial direction and are the same as the axial direction of the slide (2); the inner side surfaces of the two guide blocks (4) are respectively provided with a guide groove (5), the two guide grooves (5) are arranged oppositely and have coincident shapes, and the guide grooves (5) are a section of linear groove; the guide needles (9) are respectively connected in a limiting way in the guide grooves (5).

5. The plastic terminal mold with the slide ejecting function as claimed in claim 4, wherein the guide groove (5) comprises a lower groove (51) and an upper groove (52) which are communicated with each other, the lower groove (51) is a groove in a vertical direction, the rear end of the upper groove (52) is communicated with the upper end of the lower groove (51), the lower groove (51) and the upper groove (52) are connected to form a zigzag shape, and the front end of the upper groove (52) is arranged towards the front end of the guide block (4).

6. The plastic terminal mold with slide ejection function as claimed in claim 5, wherein the lower groove (51) and the upper groove (52) of the guide groove (5) are connected at a non-acute angle.

7. The plastic terminal mold with slide ejection function as claimed in claim 5, wherein the lower groove (51) and the upper groove (52) of the guide groove (5) are connected at an obtuse angle, and the upper groove (52) is a tapered groove.

8. The plastic terminal mold with the slide ejection function as claimed in claim 2, wherein the lateral cores (6) are horizontally arranged in parallel on the front side of the push block (1), the push rods (10) are regularly arranged, and the limit screws (8) are horizontally arranged in parallel on the front side of the push block (1).

9. The plastic terminal mold with slide ejection function according to claim 8, wherein four lateral cores (6) are arranged in parallel on the front side of the push block (1); the four push rods (10) are regularly arranged; the two limit screws (8) are arranged on the front side surface of the push block (1) in parallel in the horizontal direction.

10. The plastic terminal mold with slide ejection function according to claim 8 or 9, wherein the push block (1) is fixed on the regularly arranged push rods (10) by means of cup screws, and the lateral core (6) is fixed on the front side of the push block (1) by means of cup screws.