CN209920459U

CN209920459U - But quick replacement's mold core mold insert mechanism

Info

Publication number: CN209920459U
Application number: CN201920658148.2U
Authority: CN
Inventors: 于大为
Original assignee: Dalian Hongsen Precision Mould Co Ltd
Current assignee: Dalian Hongsen Precision Mould Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-10
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a but quick replacement's mold core mold insert mechanism, including the bottom plate, its characterized in that: a movable mould B plate is connected above the bottom plate through a bracket, a movable mould core is arranged in the movable mould B plate, a driving plate group is arranged above the bottom plate, a longitudinal demoulding top post is connected on the top end surface of the driving plate group, the side surface of the longitudinal demoulding top post is connected with an auxiliary top post, the top end surface of the auxiliary top post is a first inclined surface, an accommodating cavity is formed in the movable mold core, an oblique demolding top column is arranged in the accommodating cavity, the longitudinal section of the oblique demolding top column is a parallelogram, and the top end surface and the bottom end surface of the oblique demoulding top post are respectively an oblique ejecting surface and a second inclined surface, the second inclined plane is parallel to and can contact with the first inclined plane, a support plate is also arranged in the movable mould core, the support plate is movably connected in an inclined guide groove formed in the auxiliary ejection column, and the central axis of the inclined guide groove is perpendicular to the inclined ejection surface.

Description

But quick replacement's mold core mold insert mechanism

Technical Field

The utility model relates to an injection mold field, but especially a but quick replacement's mold core mold insert mechanism.

Background

The injection mold is a tool for producing plastic products, and the plastic melted by heat is injected into a mold cavity under high pressure by an injection molding machine, and a formed product can be obtained after cooling and solidification. The injection mold is generally divided into an upper mold and a lower mold (one movable and one stationary), and when the upper mold and the lower mold are closed, an upper mold core in the upper mold and a lower mold core in the lower mold are spliced with each other to form a complete and closed cavity. That is, whether different articles can be produced depends entirely on the configuration of the mold core, and in particular the insert in the mold core. And if the insert and the mold core are manufactured into a split structure which can be replaced when needed, a large amount of cost can be saved. Although some mold cores with the structure are available in the market, the installation and disassembly processes between the mold insert and the mold core in the traditional structure are complicated and complex, so that the production efficiency is low, and certain potential safety hazards exist.

There is therefore a need for a method or apparatus that addresses the above-mentioned problems.

Disclosure of Invention

The utility model relates to a but solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, low cost, but convenient operation, swift quick replacement's mold core mold insert mechanism.

The technical solution of the utility model is that: the utility model provides a but quick replacement's mold core mold insert mechanism, includes mold insert body 1, mold insert body 1 with set up the heavy groove 2 phase-matches on the core, its characterized in that: the quick-change mechanism comprises a connecting piece 3, an insert horizontal groove 4 is arranged at the bottom of the insert body 1, the connecting piece 3 is connected in the insert horizontal groove 4 in a sliding manner, a connecting piece inclined surface 5 is arranged at one end of the connecting piece 3 positioned in the insert horizontal groove 4, an insert through hole 6 is arranged on the insert body 1, an insert driving shaft 7 is matched with the insert through hole 6, a driving shaft inclined surface 8 matched with the connecting piece inclined surface 5 is arranged at the bottom end of the insert driving shaft 7, a core horizontal groove 9 is arranged on the core, the connecting piece 3 can slide in the core horizontal groove 9, a limiting part 10 is arranged at one end of the connecting piece 3 close to the core horizontal groove 9, a spring 11 is arranged in the core horizontal groove 9, and a push plate 12 is arranged at the free end of the spring 11, the mold core is provided with a mold core through hole 13, a connecting piece limiting shaft 14 is matched with the mold core through hole 13, and the bottom end of the connecting piece limiting shaft 14 is matched with the position of the limiting part 10.

The insert comprises an insert body 1 and a core, wherein the top ends of an insert driving shaft 7 and a connecting piece limiting shaft 14 are respectively provided with an end head part 15, the diameter of each end head part 15 is larger than that of the shaft parts of the insert driving shaft 7 and the connecting piece limiting shaft 14, counter bores matched with the end head parts 14 are arranged on the insert body 1 and the core, and the diameter of each counter bore is larger than that of each end head part 15.

Compared with the prior art, the utility model, have following advantage:

this but quick replacement's of structural style mold core mold insert mechanism, its simple structure, design benefit, rationally distributed, it needs the demand of quick replacement mold core mold insert to traditional mould, designs out a special structure, and this kind of mold insert can be through simple, quick operation, connect the heavy groove on the core firmly, and the connection effect is firm moreover, and the security is high, and its appearance can improve the change efficiency of mold insert when having saved manufacturing cost. And the manufacturing process is simple, the manufacturing cost is low, so that the novel LED lamp has multiple advantages, is particularly suitable for popularization and application in the field, and has a very wide market prospect.

Drawings

Fig. 1 is a schematic structural diagram of a first operating state of the present invention.

Fig. 2 is a schematic structural diagram of a second working state of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a third operating state of the embodiment of the present invention.

Detailed Description

The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1, 2, and 3: a core insert mechanism capable of being replaced quickly comprises an insert body 1, wherein the insert body 1 is matched with a sunken groove 2 formed in a core, quick replacement mechanisms are respectively arranged at two ends of the insert body 1 and comprise a connecting piece 3, an insert horizontal groove 4 is formed in the bottom of the insert body 1, the connecting piece 3 is connected in the insert horizontal groove 4 in a sliding manner, a connecting piece inclined surface 5 is arranged at one end, located inside the insert horizontal groove 4, of the connecting piece 3, an insert through hole 6 is formed in the insert body 1, an insert driving shaft 7 is matched with the insert through hole 6, a driving shaft inclined surface 8 matched with the connecting piece inclined surface 5 is arranged at the bottom end of the insert driving shaft 7, a core horizontal groove 9 is formed in the core, the connecting piece 3 can slide in the core horizontal groove 9, and a limiting part 10 is arranged at one end, close to the core horizontal groove 9, of the connecting, a spring 11 is arranged in the core horizontal groove 9, a push plate 12 is arranged at the free end of the spring 11, a core through hole 13 is arranged on the core, a connecting piece limiting shaft 14 is matched with the core through hole 13, and the bottom end of the connecting piece limiting shaft 14 is matched with the position of the limiting part 10.

The utility model discloses but quick replacement's mold core mold insert mechanism's working process as follows: when the insert body 1 needs to be fixedly connected to the sinking groove 2 on the core, the connecting piece 3 is inserted into the insert horizontal groove 4, then the insert body 1 is placed into the sinking groove 2, the insert driving shaft 7 is inserted along the insert through hole 6 after being placed in place, after the driving shaft inclined surface 8 at the bottom end of the insert driving shaft 7 is contacted with the connecting piece inclined surface 5 on the connecting piece 3, the longitudinal linear motion is converted into the horizontal linear motion under the action of the inclined surface, namely after the insert driving shaft 7 is pressed in place, the connecting piece 3 moves along the horizontal direction under the action of the connecting piece, and the moving direction of the connecting piece is towards the direction of the core,

after the connecting piece 3 moves horizontally, the end part of the connecting piece enters the horizontal groove 9 of the core, and in the process, the spring 11 is compressed; after the insert driving shaft 7 is pressed to the limit position (after the head part of the end on the insert driving shaft completely enters the counter bore formed in the insert body 1), the end with the limiting part 10 on the connecting piece 3 also moves in place, at the moment, the connecting piece limiting shaft 14 is inserted into the core through hole 13, and the bottom end of the connecting piece limiting shaft 14 is clamped at the outer side of the limiting part 10;

the connecting piece 3 is limited by the connecting piece limiting shaft 14 in the direction towards the insert body 1, and the connecting piece 3 is limited by the push plate 12 in the direction towards the core (the spring 11 is completely compressed and has no compression allowance), namely the connecting piece 3 is limited in the horizontal direction;

that is, the connection between the insert body 1 and the core can be realized by using a plurality of sets of quick-change mechanisms;

when different insert bodies 1 need to be replaced, tools such as sharp nose pliers and the like are utilized, the insert driving shaft 7 and the connecting piece limiting shaft 14 are firstly drawn out, the push plate 12 reversely pushes the connecting piece 3 under the action of the spring 11, the connecting piece 3 is completely pushed out of the horizontal groove 9 of the core, then the insert body 1 is taken out of the sinking groove 2 on the core, and a new insert body 1 is replaced.

Claims

1. The utility model provides a but quick replacement's mold core mold insert mechanism, includes mold insert body (1), mold insert body (1) with set up heavy groove (2) phase-match on the core, its characterized in that: the quick-change mechanism comprises a connecting piece (3), an insert horizontal groove (4) is formed in the bottom of the insert body (1), the connecting piece (3) is connected into the insert horizontal groove (4) in a sliding mode, a connecting piece inclined surface (5) is arranged at one end, located inside the insert horizontal groove (4), of the connecting piece (3), an insert through hole (6) is formed in the insert body (1), an insert driving shaft (7) is matched with the insert through hole (6), a driving shaft inclined surface (8) matched with the connecting piece inclined surface (5) is arranged at the bottom end of the insert driving shaft (7), a core horizontal groove (9) is formed in the core, the connecting piece (3) can slide in the core horizontal groove (9), and a limiting portion (10) is arranged at one end, close to the core horizontal groove (9), of the connecting piece (3), a spring (11) is arranged in the core horizontal groove (9), a push plate (12) is arranged at the free end of the spring (11), a core through hole (13) is formed in the core, a connecting piece limiting shaft (14) is matched with the core through hole (13), and the bottom end of the connecting piece limiting shaft (14) is matched with the position of the limiting part (10).

2. The quick-change core insert mechanism of claim 1, wherein: the insert comprises an insert body (1), a connecting piece limiting shaft (14) and a connecting piece driving shaft (7), wherein the top ends of the insert driving shaft (7) and the connecting piece limiting shaft (14) are respectively provided with an end head part (15), the diameter of each end head part (15) is larger than that of the shaft parts of the insert driving shaft (7) and the connecting piece limiting shaft (14), counter bores matched with the end head parts (15) are arranged on the insert body (1) and a core, and the diameter of each counter bore is larger than that of each end head part.