CN217098740U

CN217098740U - Mould with thimble forced resetting function

Info

Publication number: CN217098740U
Application number: CN202123164117.8U
Authority: CN
Inventors: 王小杨; 黄远辉
Original assignee: Dongguan Dongwu Precision Plastic Hardware Co ltd
Current assignee: Dongguan Dongwu Precision Plastic Hardware Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-08-02
Anticipated expiration: 2031-12-16

Abstract

The utility model belongs to the technical field of the mould technique and specifically relates to indicate a mould with thimble forced reset function, comprising a base plate, the die holder, the upper die base, the thimble board, the guide post, elastomeric element, swing piece, lug and catch bar, the die holder sets up on the bottom plate, the upper die base sets up with the die holder relatively, the thimble board is equipped with a plurality of thimbles, the periphery wall of guide post is located to the elastomeric element cover, elastomeric element's one end offsets with the thimble board, elastomeric element's the other end offsets with the die holder, the lug sets up in the one end of thimble board, the one end rotation of swing piece is installed in the die holder, swing piece and the corresponding setting of lug, the one end of catch bar is fixed to be set up in the upper die base, the other end and the swing piece of catch bar offset. This application can make the thimble board force to get back to original position, can guarantee that the thimble board also can normally reset after the spring became invalid, and then makes the thimble move down, prevents the thimble to injection moulding product's interference, improves the quality of production efficiency and product.

Description

Mould with thimble forced resetting function

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to indicate a mould with thimble forces reset function.

Background

In the prior art, an injection mold is used for molding large-batch plastic products, parts of the mold must fully ensure smooth movement and accurate resetting of the parts, and no mandatory restorer is still provided in thimble resetting at present. The ejector pin plate of the die is generally reset by the elastic force of the spring, but the spring has the service life, the elastic force is invalid after the spring is used for a certain number of times, the ejector pin plate cannot reset, the ejector pin can collide with internal parts after the die is assembled, parts are damaged, the production cost is increased, the production efficiency is low, and the quality of products does not reach the standard.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a mould with thimble forces reset function, this application makes the thimble board force to reset, can guarantee that the thimble board also can normally reset after the spring became invalid, improves the quality of production efficiency and product.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a die with a thimble forced reset function comprises a bottom plate, a lower die holder, an upper die holder, an ejector plate, a guide post, an elastic component, a swing block, a convex block and a push rod, wherein the lower die holder is arranged on the bottom plate, the upper die holder is arranged opposite to the lower die holder, the ejector plate is provided with a plurality of thimbles, the ejector plate is arranged between the lower die holder and the bottom plate in a sliding manner, the thimbles penetrate through the lower die holder, one end of the guide post is fixedly arranged on the ejector plate, the other end of the guide post penetrates through the lower die holder, the elastic component is sleeved on the peripheral wall of the guide post, one end of the elastic component abuts against the ejector plate, the other end of the elastic component abuts against the lower die holder, the convex block is arranged at one end of the ejector plate, one end of the swing block is rotatably arranged on the lower die holder, the swinging block and the protruding block are arranged correspondingly, one end of the push rod is fixedly arranged on the upper die base, and the other end of the push rod is abutted to the swinging block.

Furthermore, the lower die holder is provided with a reinforcing stop block, one side wall of the push rod abuts against the reinforcing stop block, and the other side wall of the push rod abuts against the bump.

Furthermore, the bottom plate is provided with two supporting blocks, the two supporting blocks are arranged oppositely, and the ejector plate is located between the two supporting blocks.

Furthermore, the lower die holder is provided with a cooling liquid channel which is in a bent and circuitous shape.

Furthermore, the upper die holder is provided with a cooling liquid channel, and the cooling liquid channel is bent and circuitous.

Furthermore, the bottom plate is provided with a clearance gap, and the convex block and the clearance gap are arranged correspondingly.

The utility model has the advantages that: when the lower die holder and the upper die holder are matched, the push rod moves downwards along with the matching of the upper die holder, when the lower end of the push rod touches the swinging block, the swinging block swings for a certain angle, the included angle between the central axis of the swinging block and a vertical line is an acute angle, the swinging block presses the ejector plate, the ejector plate is forced to return to the original position, the ejector pin moves downwards, the interference of the ejector pin on an injection molding product is prevented, and the production efficiency and the product quality are improved; this application makes the thimble board force to reset, can guarantee that the thimble board also can normally reset after the spring became invalid.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the partial cross-sectional structure of the present invention.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 2, the utility model provides a mold with thimble forced reset function, which comprises a bottom plate 1, a lower die holder 2, an upper die holder 3, an ejector plate 4, a guide post 5, an elastic component 6, a swing block 7, a lug 8 and a push rod 9, wherein the lower die holder 2 is arranged on the bottom plate 1, the upper die holder 3 is arranged opposite to the lower die holder 2, the ejector plate 4 is provided with a plurality of thimbles 10, the ejector plate 4 is arranged between the lower die holder 2 and the bottom plate 1 in a sliding manner, the plurality of thimbles 10 penetrate through the lower die holder 2, one end of the guide post 5 is fixedly arranged on the ejector plate 4, the other end of the guide post 5 penetrates through the lower die holder 2, the elastic component 6 is sleeved on the peripheral wall of the guide post 5, one end of the elastic component 6 abuts against the ejector plate 4, the other end of the elastic component 6 abuts against the lower die holder 2, the lug 8 is arranged at one end of the ejector plate 4, one end of the swing block 7 is rotatably arranged on the lower die holder 2, the swinging block 7 is arranged corresponding to the bump 8, one end of the push rod 9 is fixedly arranged on the upper die base 3, and the other end of the push rod 9 is abutted against the swinging block 7. The ejector pin plate 4 is of a double-layer plate-shaped structure, and the head of the ejector pin 10 is arranged between the double-layer plates, so that the reliability and the stability can be effectively improved.

In practical application, when die

holder

2 and 3 compound dies of upper die base, catch bar 9 down moves along with the compound die of upper die base 3, when the lower extreme of catch bar 9 touches swing piece 7, swing piece 7 swings certain angle, the central axis of swing piece 7 is the acute angle with the contained angle of vertical line, swing piece 7 pushes down thimble board 4, make thimble board 4 force to get back to original position, and then make thimble 10 move down, prevent the interference of thimble to injection moulding product, improve the quality of production efficiency and product. This application makes the thimble board force to reset, can guarantee that the thimble board also can normally reset after the spring became invalid.

In this embodiment, the lower die holder 2 is provided with the reinforcing stop 11, one side wall of the push rod 9 abuts against the reinforcing stop 11, and the other side wall of the push rod 9 abuts against the bump 8. Strengthen dog 11 and can provide to catch bar 9 and support the holding power, play and strengthen reinforced effect for catch bar 9 reciprocates along vertical line direction, guarantees to make thimble board 4 force effectively and resets.

In this embodiment, the bottom plate 1 is provided with two supporting blocks 12, the two supporting blocks 12 are arranged oppositely, and the ejector plate 4 is located between the two supporting blocks 12.

In this embodiment, the lower die holder 2 and the upper die holder 3 are both provided with a cooling liquid channel 13, and the cooling liquid channel 13 is bent and circuitous. The cooling liquid channel 13 is used for guiding cooling liquid in, so that the lower die holder 2 and the upper die holder 3 are rapidly cooled and demoulded, and the production efficiency is improved.

In this embodiment, the bottom plate 1 is provided with a clearance gap 14, and the protrusion 8 is disposed corresponding to the clearance gap 14. Keep away position breach 14 and can provide space for lug 8, structural design is reasonable, and is more pleasing to the eye.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a mould with reset function is forced to thimble, includes the bottom plate, its characterized in that: the die comprises a bottom plate, and is characterized by further comprising a lower die base, an upper die base, an ejector plate, a guide post, an elastic component, a swinging block, a convex block and a push rod, wherein the lower die base is arranged on the bottom plate, the upper die base and the lower die base are oppositely arranged, the ejector plate is provided with a plurality of ejector pins, the ejector plate is slidably arranged between the lower die base and the bottom plate, the ejector pins penetrate through the lower die base, one end of the guide post is fixedly arranged on the ejector plate, the other end of the guide post penetrates through the lower die base, the elastic component is sleeved on the peripheral wall of the guide post, one end of the elastic component abuts against the ejector plate, the other end of the elastic component abuts against the lower die base, the convex block is arranged at one end of the ejector plate, one end of the swinging block is rotatably arranged on the lower die base, and the swinging block is arranged corresponding to the convex block, one end of the push rod is fixedly arranged on the upper die base, and the other end of the push rod abuts against the swinging block; the lower die base is provided with a cooling liquid channel which is bent and circuitous; the upper die holder is provided with a cooling liquid channel which is bent and circuitous; the bottom plate is provided with a position avoiding gap, and the convex block is arranged corresponding to the position avoiding gap; the lower die base is provided with a reinforcing stop block, one side wall of the push rod abuts against the reinforcing stop block, and the other side wall of the push rod abuts against the bump; the bottom plate is provided with two supporting blocks, the two supporting blocks are arranged oppositely, and the ejector pin plate is located between the two supporting blocks.