CN210190423U

CN210190423U - Hot cutting injection mold in mold

Info

Publication number: CN210190423U
Application number: CN201920803496.4U
Authority: CN
Inventors: Guoxing Wei; 魏国兴; Dingxiang Chen; 陈定祥
Original assignee: Dongguan Fenggang Jiaan Plastic Hardware Co Ltd
Current assignee: Dongguan Fenggang Jiaan Plastic Hardware Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-27
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses an injection mold is cut to mould internal heat, including head rod, electronic telescoping cylinder and pouring device, the front end of head rod is fixed with first mould main part, and installs electronic telescoping cylinder and pouring device in the first mould main part, the outside of first mould main part is fixed with the gag lever post, and the front end of gag lever post is connected with second mould main part through the spout, the inside of second mould main part is provided with interior fixing base, and the outside of interior fixing base is fixed with the second connecting rod, the second connecting rod runs through outer fixing base, the inboard of interior fixing base is fixed with first liftout rod and second liftout rod, reset spring has been cup jointed in the outside of second liftout rod, be provided with the mould finished product between first mould main part and the second mould main part. This hot cut injection mold in mould can effectively avoid the workman to prune the processing to the runner through hot cut in the mould, reduces intensity of labour, has guaranteed that the runner is pruned beautifully.

Description

Hot cutting injection mold in mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold is cut to mould hotly.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and after the plastic products are generally subjected to injection molding, a stub bar is connected with a product through a pouring gate, so that workers need to trim the pouring gate, the labor intensity is high, and the pouring gate is not attractive in trimming.

The existing solution is to push a cutter out of a top plate to cut off a sprue during mold opening, and the two methods are to cut after mold opening, because the plastic is cooled at the moment, the cut sprue surface is not attractive, the product quality is not good, the sprue can be trimmed and leveled only by manual trimming for many times, the labor intensity is still high, and the labor cost is increased.

We have therefore proposed an in-mold hot-cut injection mold in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold is cut to mould hotly to solve the present processing of pruning to the runner that above-mentioned background art provided, intensity of labour is big, and the not pleasing to the eye problem is pruned to the runner.

In order to achieve the above object, the utility model provides a following technical scheme: an in-mold hot cutting injection mold comprises a first connecting rod, an electric telescopic cylinder and a pouring device, wherein a first mold main body is fixed at the front end of the first connecting rod, and the first mould main body is provided with an electric telescopic cylinder and a pouring device, the front end of the electric telescopic cylinder is provided with a hot cutting rod, a feeding hole is arranged at the front end of the pouring device, a limiting rod is fixed on the outer side of the first die main body, the front end of the limiting rod is connected with a second mould main body through a chute, an inner fixed seat is arranged inside the second mould main body, and a second connecting rod is fixed on the outer side of the inner fixed seat and penetrates through the outer fixed seat, the inner side of the inner fixed seat is fixedly provided with a first ejection rod and a second ejection rod, the outer side of the second ejection rod is sleeved with a return spring, and a mold finished product is arranged between the first mold main body and the second mold main body.

Preferably, the first mold main body and the second mold main body are connected through a limiting rod and a sliding groove, and the length of the limiting rod is equal to that of the sliding groove.

Preferably, the electric telescopic cylinder and the pouring device are both embedded into the first die body, and the central axes of the electric telescopic cylinder and the pouring device are perpendicular to each other.

Preferably, the hot cutting rod is of a movable structure at the feed inlet through an electric telescopic cylinder, the width of the hot cutting rod is equal to that of the feed inlet, and the outer side face of the hot cutting rod is flush with the outer side face of the first die body.

Preferably, the distance between the front ends of the first ejector rod and the second ejector rod and the outer side surface of the inner fixed seat is equal to the distance between the outer side surface of the second mold main body and the inner side surface of the outer fixed seat.

Compared with the prior art, the beneficial effects of the utility model are that: according to the in-mold hot cutting injection mold, the sprue can be effectively prevented from being trimmed by workers through in-mold hot cutting, the labor intensity is reduced, and the attractiveness of sprue trimming is ensured;

(1) the electric telescopic cylinder and the pouring device are arranged on the first die main body, so that normal pouring work of the injection die can be guaranteed, the hot cutting rod and the feeding hole are arranged at the front ends of the electric telescopic cylinder and the pouring device, so that normal pouring work can be controlled, hot cutting work in the die can be efficiently completed, and the use value of the device is improved;

(2) be provided with gag lever post and spout between first mould main part and second mould main part, can guarantee that first mould main part and second mould main part can stabilize the alignment all the time and connect to the work high efficiency nature of this mould has been guaranteed.

Drawings

Fig. 1 is a schematic view of the mold opening structure of the present invention;

FIG. 2 is a schematic view of the mold closing structure of the present invention;

fig. 3 is a schematic view of the connection structure of the hot cutting rod and the feeding port of the present invention.

In the figure: 1. a first connecting rod; 2. a first mold body; 3. an electric telescopic cylinder; 4. hot cutting the rod; 5. a feed inlet; 6. a pouring device; 7. a limiting rod; 8. a chute; 9. a second mold body; 10. an outer fixed seat; 11. a second connecting rod; 12. an inner fixed seat; 13. a first ejector rod; 14. a second ejector rod; 15. a return spring; 16. and (5) finishing the die.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an in-mold hot cutting injection mold comprises a first connecting rod 1, a first mold main body 2, an electric telescopic cylinder 3, a hot cutting rod 4, a feed inlet 5, a pouring device 6, a limiting rod 7, a sliding chute 8, a second mold main body 9, an outer fixing seat 10, a second connecting rod 11, an inner fixing seat 12, a first ejection rod 13, a second ejection rod 14, a reset spring 15 and a mold finished product 16, wherein the first mold main body 2 is fixed at the front end of the first connecting rod 1, the electric telescopic cylinder 3 and the pouring device 6 are installed on the first mold main body 2, the hot cutting rod 4 is arranged at the front end of the electric telescopic cylinder 3, the feed inlet 5 is arranged at the front end of the pouring device 6, the limiting rod 7 is fixed at the outer side of the first mold main body 2, the front end of the limiting rod 7 is connected with the second mold main body 9 through the sliding chute 8, an inner fixing seat 12 is arranged inside the second mold main body 9, and the second connecting rod 11 is fixed at the outer side of the, the second connecting rod 11 runs through the outer fixing seat 10, the inner side of the inner fixing seat 12 is fixed with a first ejector rod 13 and a second ejector rod 14, the outer side of the second ejector rod 14 is sleeved with a return spring 15, and a mold finished product 16 is arranged between the first mold main body 2 and the second mold main body 9.

Connect through gag lever post 7 and spout 8 between first mould main part 2 and the second mould main part 9, and gag lever post 7 and spout 8's length equals, can guarantee between first mould main part 2 and the second mould main part 9 stable and efficient align to connect work, has guaranteed the work high efficiency of this mould.

The electric telescopic cylinder 3 and the pouring device 6 are embedded into the first die main body 2, the electric telescopic cylinder 3 and the pouring device 6 are perpendicular to each other in the central axis, the electric telescopic cylinder 3 and the pouring device 6 can be stable and normal in working state, and the die is guaranteed to work normally.

The hot-cutting rod 4 is of a movable structure at the feed inlet 5 through the electric telescopic cylinder 3, the width of the hot-cutting rod 4 is equal to that of the feed inlet 5, the outer side face of the hot-cutting rod 4 is parallel and level to the outer side face of the first die body 2, normal operation of pouring work can be controlled, meanwhile, hot-cutting work in the die can be efficiently completed, and the use value of the device is improved.

The distance between the front ends of the first ejector rod 13 and the second ejector rod 14 and the outer side surface of the inner fixing seat 12 is equal to the distance between the outer side surface of the second mold main body 9 and the inner side surface of the outer fixing seat 10, so that the blanking work of a mold finished product 16 can be facilitated, and the adverse effects of the first ejector rod 13 and the second ejector rod 14 can be effectively avoided.

The working principle is as follows: when the in-mold hot cutting injection mold is used, firstly, the first connecting rod 1 and the second connecting rod 11 are respectively connected to different driving mechanisms, so that the first mold main body 2 and the second mold main body 9 can be normally opened and closed, and the normal use of the mold is ensured;

when pouring is carried out, the first mold main body 2 and the second mold main body 9 are in a closed state, then the pouring device 6 injects materials into a mold cavity through the feed port 5, after the materials are filled in the mold cavity between the first mold main body 2 and the second mold main body 9, the electric telescopic cylinder 3 is started, the electric telescopic cylinder 3 enables the hot cutting rod 4 to move, the feed port 5 can be cut off by the front end of the hot cutting rod 4, the pouring device 6 stops working, meanwhile, after the plastic part is subjected to injection molding, the connection work of a stub bar and a product does not exist, the phenomenon that the product needs to be trimmed at the later stage can be effectively avoided, time and labor are saved, and the overall quality of the product is ensured;

after a product is cooled and formed between the first mold main body 2 and the second mold main body 9, the first mold main body 2 and the second mold main body 9 can be separated, the inner fixing seat 12 is pushed by the second connecting rod 11 to move on the inner side of the outer fixing seat 10, and the first ejector rod 13 and the second ejector rod 14 on the inner fixing seat 12 penetrate through the second mold main body 9 to eject the product out, so that demolding work can be completed;

the above processes are repeated, so that the work of the die can be continuously carried out, and the post-treatment of the product can be effectively avoided due to the hot cutting work in the die, so that the use process of the die is just the above, and the contents which are not described in detail in the specification belong to the prior art which is known by the professional technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an in-mold hot cutting injection mold, includes head rod (1), electronic telescoping cylinder (3) and pouring device (6), its characterized in that: the front end of the first connecting rod (1) is fixed with a first mould main body (2), the first mould main body (2) is provided with an electric telescopic cylinder (3) and a pouring device (6), the front end of the electric telescopic cylinder (3) is provided with a hot cutting rod (4), the front end of the pouring device (6) is provided with a feed inlet (5), the outer side of the first mould main body (2) is fixed with a limiting rod (7), the front end of the limiting rod (7) is connected with a second mould main body (9) through a sliding chute (8), the inner part of the second mould main body (9) is provided with an inner fixing seat (12), the outer side of the inner fixing seat (12) is fixed with a second connecting rod (11), the second connecting rod (11) penetrates through the outer fixing seat (10), the inner side of the inner fixing seat (12) is fixed with a first ejection rod (13) and a second ejection rod (14), and a return spring (15) is sleeved on the outer side of the second ejection rod (14), and a mold finished product (16) is arranged between the first mold main body (2) and the second mold main body (9).

2. The in-mold hot-cut injection mold of claim 1, wherein: the first die main body (2) and the second die main body (9) are connected through a limiting rod (7) and a sliding groove (8), and the length of the limiting rod (7) is equal to that of the sliding groove (8).

3. The in-mold hot-cut injection mold of claim 1, wherein: the electric telescopic cylinder (3) and the pouring device (6) are embedded into the first die main body (2), and the central axes of the electric telescopic cylinder (3) and the pouring device (6) are perpendicular to each other.

4. The in-mold hot-cut injection mold of claim 1, wherein: the hot cutting rod (4) is of a movable structure at the feed port (5) through the electric telescopic cylinder (3), the width of the hot cutting rod (4) is equal to that of the feed port (5), and the outer side face of the hot cutting rod (4) is flush with the outer side face of the first die body (2).

5. The in-mold hot-cut injection mold of claim 1, wherein: the distance between the front ends of the first ejector rod (13) and the second ejector rod (14) and the outer side face of the inner fixed seat (12) is equal to the distance between the outer side face of the second die main body (9) and the inner side face of the outer fixed seat (10).