CN213198649U

CN213198649U - Injection mold slider separation structure of loosing core

Info

Publication number: CN213198649U
Application number: CN202021545547.7U
Authority: CN
Inventors: 黄桑; 褚红波; 赵浪
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-14
Anticipated expiration: 2030-07-30

Abstract

The utility model provides an injection mold slider separation structure of loosing core, including cover half and movable mould, the sliding base is installed to the one side of movable mould towards the cover half, the sliding base deviates from the one side fixedly connected with core fixed plate of oblique guide pillar, one side that the core fixed plate deviates from the sliding base is equipped with the die cavity slider with movable mould fixed connection, the core is installed to the one side mid position of core fixed plate towards the die cavity slider, the both sides of core all are equipped with the gib block with core fixed plate fixed connection, the core is kept away from the one end symmetry of core fixed plate and is installed two die cavities and insert, two the die cavity is equipped with the crowded piece to one side between inserting, two set screws are installed to the die cavity slider towards the one side symmetry of core fixed plate, compare with prior art, the utility model: the demolding of products with complex shapes is completed under the condition of ensuring the simplification of the mold structure, and the manufacturing cost of the mold is reduced.

Description

Injection mold slider separation structure of loosing core

Technical Field

The utility model relates to an injection mold slider separation structure of loosing core belongs to injection mold technical field.

Background

The slide block is a mold component which can slide in a direction perpendicular to the mold opening and closing direction or at a certain angle with the mold opening and closing direction in the mold opening and closing action of the mold. When the product structure is complicated and the demoulding cannot be simply carried out, some sliding block assemblies need to be designed to assist demoulding, the sliding blocks are used for simplifying the mould structure or improving the product quality through simple sliding actions, and therefore the sliding blocks are important components in the injection mould. At present, the structure of a sliding block assembly adopted for demoulding a product with a complex shape is complex, the manufacturing cost is high, and the processing quality of the product is uneven.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an injection mold slider separation structure of loosing core to it is complicated to provide the sliding block set spare structure that adopts to the complicated product drawing of patterns of shape in solving above-mentioned background art, and not only manufacturing cost is high, the uneven problem of processingquality of product moreover, the utility model discloses realize accomplishing the complicated product drawing of patterns of some shapes under the circumstances of guaranteeing to simplify the mould structure, reduce mould manufacturing cost.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a sliding block separation core-pulling structure of an injection mold comprises a fixed mold and a movable mold, wherein a sliding block base is installed on one side of the movable mold facing the fixed mold, two inclined guide posts matched with guide holes in the movable mold are symmetrically installed on the upper surface of the fixed mold, a core fixing plate is fixedly connected to one side of the sliding block base, which is far away from the inclined guide posts, a cavity sliding block fixedly connected with the movable mold is arranged on one side of the core fixing plate, which is far away from the sliding block base, four first spring holes are uniformly formed in one side of the cavity sliding block facing the core fixing plate, four second spring holes matched with the first spring holes are formed in one side of the core fixing plate facing the cavity sliding block, springs are arranged in the first spring holes, the other ends of the springs extend into the second spring holes, a mold core is installed at the middle position of one side of the core fixing, the mold core comprises a core fixing plate and a mold core fixing plate, wherein two cavity inserts are symmetrically arranged at one end, far away from the core fixing plate, of the mold core, the two cavity inserts are arranged between the two guide strips, guide grooves matched with the guide strips are formed in the outer surface of one end, close to the core fixing plate, of the cavity inserts, an oblique extrusion block is arranged between the two cavity inserts and fixedly connected with a cavity sliding block, two positioning screws are symmetrically arranged on one surface, facing the core fixing plate, of the cavity sliding block, and two limiting holes, matched with the positioning screws, of which the inner diameter is larger than the outer diameter of the positioning screws and smaller than the diameter of the tops of the.

Further, cover half a side edge is fixed with even board, even the board upper surface is seted up two mounting holes that are used for interlude bolt, even the board upside is equipped with and just plays the bar shaped plate of supporting role with cover half fixed connection, set up two round holes that align with the mounting hole on the bar shaped plate.

Furthermore, two inclined holes matched with the inclined guide posts are formed in the sliding block base, and the inclined guide posts penetrate through the inclined holes.

Furthermore, the movable mould downside is equipped with two layering, layering and slider base, die cavity slider looks joint, the layering passes through screw and movable mould fixed connection.

Furthermore, four first threaded holes are formed in the surface, facing the core fixing plate, of the sliding block base, four counter bores matched with the first threaded holes are formed in the surface, facing the sliding block base, of the core fixing plate, and connecting screws are arranged in the counter bores and penetrate through the counter bores to be meshed in the first threaded holes.

Furthermore, a second threaded hole is formed in the position where the cavity sliding block is connected with a positioning screw, and the positioning screw is meshed in the second threaded hole.

The utility model has the advantages that: when the mould is opened, the cover half and the movable mould are separated, the slide base and the core fixing plate move outwards together, the cavity slide block does not move under the action of spring elasticity, along with the continuous movement of the slide base, the elasticity of the spring is restricted after the positioning screw is contacted with the core fixing plate, thereby driving the cavity slide block to move outwards, and meanwhile, in a distance before the spring elasticity is restricted, when the core fixing plate is acted by the inclined guide post and the spring, the core and the cavity insert are separated from the cavity slide block, the cavity insert is outwards opened for a certain distance along the guide strip under the action of the inclined extrusion block, so that the product and the cavity insert are separated until being separated, the demolding of products with complicated shapes is completed under the condition of simplifying the mould structure, and the manufacturing cost of the mould is reduced.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is an explosion structure diagram of the injection mold slider separation core-pulling structure of the present invention;

fig. 2 is a schematic diagram of a right-view explosion structure of the injection mold slider separation core-pulling structure of the present invention;

fig. 3 is a schematic view of a closed state of a cavity slider, a core fixing plate and a slider base of the injection mold slider separation core pulling structure of the present invention;

FIG. 4 is a perspective view of a core fixing plate in an injection mold slider separating and core pulling structure of the present invention;

FIG. 5 is an assembly diagram of a connecting plate, a strip-shaped plate and a fixed mold in the slider separating and core pulling structure of the injection mold of the present invention;

in the figure: 1-fixed die, 2-movable die, 3-cavity sliding block, 4-inclined guide post, 5-sliding block base, 6-set screw, 7-pressing bar, 8-first spring hole, 9-spring, 10-guide groove, 11-cavity insert, 12-core fixing plate, 13-guide bar, 14-core, 15-inclined extrusion block, 16-inclined hole, 17-connecting plate, 18-mounting hole, 19-strip plate, 20-round hole, 21-second spring hole and 22-limiting hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an injection mold slider separation structure of loosing core, including cover half 1 and movable mould 2, slide base 5 is installed to movable mould 2 towards the one side of

cover half

1, 1 upper surface symmetry of cover half install two with movable mould 2 on guide hole complex oblique guide pillar 4, slide base 5 deviates from one side fixedly connected with core fixed plate 12 of oblique guide pillar 4, one side that core fixed plate 12 deviates from slide base 5 is equipped with the die cavity slider 3 with movable mould 2 fixed connection, install core fixed plate 12 on slide base 5, and with slide base 5 and die cavity slider 3 and movable mould 2 fixed connection, and then when separately movable mould 2 and cover half 1, movable mould 2 drive slide base 5, parts such as die cavity slider 3 outwards move.

Four first spring holes 8 have evenly been seted up towards the one side of core fixed plate 12 to cavity slider 3, and four and first spring hole 8 matched with second spring hole 21 have been seted up towards the one side of cavity slider 3 to core fixed plate 12, are equipped with spring 9 in the first spring hole 8, and the spring 9 other end extends to in the second spring hole 21, arranges the both ends of spring 9 in first spring hole 8 second spring hole 21 respectively in, the stable assembly of spring 9 of being convenient for.

A core 14 is installed in the middle of one surface of the core fixing plate 12 facing the cavity slide block 3, guide strips 13 fixedly connected with the core fixing plate 12 are arranged on two sides of the core 14, two cavity inserts 11 are symmetrically installed at one end, far away from the core fixing plate 12, of the core 14, the two cavity inserts 11 are arranged between the two guide strips 13, a guide groove 10 matched with the guide strips 13 is formed in the outer surface of one end, close to the core fixing plate 12, of the cavity inserts 11, the cavity inserts 11 are arranged between the two guide strips 13, the guide strips 13 are matched with the guide grooves 10, and assembly of the cavity inserts 11 is completed.

An oblique extrusion block 15 is arranged between the two cavity inserts 11, the oblique extrusion block 15 is fixedly connected with the cavity slide block 3, two positioning screws 6 are symmetrically arranged on one surface of the cavity slide block 3 facing the core fixing plate 12, two limiting holes 22 matched with the positioning screws 6 and having an inner diameter larger than the outer diameter of the positioning screws 6 and smaller than the diameter of the tops of the positioning screws 6 are arranged on one surface of the core fixing plate 12 facing the cavity slide block 3, when the mold is opened, the fixed mold 1 is separated from the movable mold 2, the slide block base 5 and the core fixing plate 12 move outwards together, the cavity slide block 3 does not move under the action of the elastic force of the spring 9, along with the continuous movement of the slide block base 5, after the positioning screws 6 are contacted with the core fixing plate 12, the elastic force of the spring 9 is limited, so as to drive the cavity slide block 3 to move outwards, meanwhile, within a distance before the elastic force of the spring, the core 14 and the cavity insert 11 are released from the cavity slide block 3, and the cavity insert 11 is opened outwards along the guide strip 13 for a certain distance under the action of the inclined extrusion block 15, so that the product and the cavity insert 11 are separated until released, the demolding of some products with complex shapes is completed under the condition of ensuring the simplification of the mold structure, and the manufacturing cost of the mold is reduced.

A connecting plate 17 is fixed at the edge of one side surface of the fixed die 1, two mounting holes 18 for inserting bolts are formed in the upper surface of the connecting plate 17, the bolts for fixing the connecting plate 17 penetrate through the mounting holes 18 to be mounted at required positions, the fixing of the connecting plate 17 is completed, and the position of the fixed die 1 is limited.

Even board 17 upside is equipped with the strip shaped plate 19 that just plays supporting role with fixed mould 1 fixed connection, offers two round holes 20 that align with mounting hole 18 on the strip shaped plate 19, passes round hole 20 and mounting hole 18 with the bolt of fixed even board 17 in proper order to under the supporting role of strip shaped plate 19, the bolt of fixed even board 17 is partly in the exposed state, and the later stage of being convenient for is sawed off and is difficult to the bolt of twisting.

Two inclined holes 16 matched with the inclined guide pillars 4 are formed in the slider base 5, the inclined guide pillars 4 penetrate through the inclined holes 16, and the inclined holes 16 are formed in the slider base 5, so that the slider base 5 and the inclined guide pillars 4 can be assembled conveniently.

Two pressing strips 7 are arranged on the lower side of the movable die 2, the pressing strips 7 are connected with the slider base 5 and the cavity slider 3 in a clamped mode, the pressing strips 7 are fixedly connected with the movable die 2 through screws, the pressing strips 7 connected with the slider base 5 and the cavity slider 3 in the clamped mode are fixedly connected with the movable die 2 through the screws, the slider base 5, the cavity slider 3 and the movable die 2 are fixedly connected, and the slider base 5, the cavity slider 3 and the movable die 2 are convenient to disassemble and assemble.

Four first screw holes are seted up towards the one side of core fixed plate 12 to slider base 5, and four and first screw hole matched with counter bores are seted up towards slider base 5's one side to core fixed plate 12, are equipped with the connecting screw in the counter bore, and the connecting screw runs through the counter bore meshing in first screw hole, and it is downthehole to pass the counter bore on core fixed plate 12 and twist the first screw hole on slider base 5 with the connecting screw, the dismouting of the core fixed plate 12 of being convenient for and slider base 5.

The position that die cavity slider 3 is connected with set screw 6 department sets up the second screw hole, and set screw 6 meshes in the second screw hole, sets up the second screw hole on die cavity slider 3, the dismouting of set screw 6 and die cavity slider 3 of being convenient for.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an injection mold slider separation structure of loosing core, includes cover half (1) and movable mould (2), its characterized in that: a sliding block base (5) is installed on one side, facing the fixed die (1), of the movable die (2), two inclined guide posts (4) matched with the guide holes in the movable die (2) are symmetrically installed on the upper surface of the fixed die (1), a core fixing plate (12) is fixedly connected to one side, facing away from the inclined guide posts (4), of the sliding block base (5), a cavity sliding block (3) fixedly connected with the movable die (2) is arranged on one side, facing away from the sliding block base (5), of the core fixing plate (12), four first spring holes (8) are uniformly formed in one side, facing towards the core fixing plate (12), of the cavity sliding block (3), of the core fixing plate (12) are provided with four second spring holes (21) matched with the first spring holes (8), springs (9) are arranged in the first spring holes (8), and the other ends of the springs (9) extend into the second spring holes (21), the die core fixing plate (12) is provided with a die core (14) towards the middle of one side of the die cavity sliding block (3), two sides of the die core (14) are respectively provided with a guide strip (13) fixedly connected with the die core fixing plate (12), one end of the die core (14) far away from the die core fixing plate (12) is symmetrically provided with two die cavity inserts (11), the two die cavity inserts (11) are arranged between the two guide strips (13), the outer surface of one end, close to the die core fixing plate (12), of the die cavity inserts (11) is provided with a guide groove (10) matched with the guide strip (13), two oblique extrusion blocks (15) are arranged between the die cavity inserts (11), the oblique extrusion blocks (15) are fixedly connected with the die cavity sliding block (3), two positioning screws (6) are symmetrically arranged towards one side of the die cavity sliding block (3), and two positioning screws (6) are arranged towards one side of the die cavity sliding block (3) of the die core fixing plate ) And the matched inner diameter is larger than the outer diameter of the positioning screw (6) and is smaller than the limiting hole (22) of the diameter of the top of the positioning screw (6).

2. The injection mold slider separation core-pulling structure according to claim 1, characterized in that: fixed die (1) a side edge is fixed with even board (17), two mounting holes (18) that are used for interlude the bolt are seted up to even board (17) upper surface, even board (17) upside is equipped with and just plays supporting role's strip shaped plate (19) with fixed die (1), set up two round hole (20) that align with mounting hole (18) on strip shaped plate (19).

3. The injection mold slider separation core-pulling structure according to claim 1, characterized in that: two inclined holes (16) matched with the inclined guide pillars (4) are formed in the sliding block base (5), and the inclined guide pillars (4) penetrate through the inclined holes (16).

4. The injection mold slider separation core-pulling structure according to claim 1, characterized in that: the movable mould (2) downside is equipped with two layering (7), layering (7) and slider base (5), die cavity slider (3) looks joint, layering (7) are through screw and movable mould (2) fixed connection.

5. The injection mold slider separation core-pulling structure according to claim 1, characterized in that: four first threaded holes are formed in the surface, facing the core fixing plate (12), of the sliding block base (5), four counter bores matched with the first threaded holes are formed in the surface, facing the sliding block base (5), of the core fixing plate (12), connecting screws are arranged in the counter bores, and the connecting screws penetrate through the counter bores and are meshed in the first threaded holes.

6. The injection mold slider separation core-pulling structure according to claim 1, characterized in that: and a second threaded hole is formed in the position where the cavity sliding block (3) is connected with the positioning screw (6), and the positioning screw (6) is meshed in the second threaded hole.