CN219686438U

CN219686438U - Linkage core pulling mechanism of injection mold

Info

Publication number: CN219686438U
Application number: CN202320974063.1U
Authority: CN
Inventors: 张先瑞; 李秀宇; 牛芝鑫; 李良
Original assignee: Qingdao Haojiang Electronic Technology Co ltd
Current assignee: Qingdao Haojiang Electronic Technology Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-15
Anticipated expiration: 2033-04-26

Abstract

The utility model relates to the technical field of injection molds, in particular to a linkage core pulling mechanism of an injection mold, which comprises the following components: the hollow linkage rod is formed by fixedly splicing two linkage rod splicing pieces, the upper end part of the hollow linkage rod is provided with a demolding chute which is isosceles trapezoid, and the surface of the hollow linkage rod is provided with a limiting chute; the upper end part of the core drawing rod is fixedly connected with a T-shaped guide block, and the surface of the T-shaped guide block is fixedly provided with a formed step rod which is spliced with the inner cavity of the water pipe; a T-shaped guide groove is formed in the bottom of the die slide block, and the T-shaped guide groove is connected with the T-shaped guide block in a sliding manner; the beneficial effects are as follows: through at hollow gangbar inside activity grafting core bar of taking out, the drawing of patterns spout of isosceles trapezoid has been seted up to hollow gangbar tip, and the equal slidable mounting mould slider of both sides inner wall of drawing of patterns spout, this device can carry out the shaping of annular back-off to the drain pipe tip in narrow and small space, and easily demolding can not cause the damage of work piece.

Description

Linkage core pulling mechanism of injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a linkage core pulling mechanism of an injection mold.

Background

As the volume of the household appliances is smaller, the integration degree of part of structural members is increased, and the manufacturing difficulty of the injection mold is higher.

In the prior art, for complex plastic parts, the mold needs to use a sliding block or a pitched roof to carry out reverse buckling in multiple directions.

The annular back-off that part drain pipe tip set up is in comparatively compact space, and traditional mould needs to occupy great space when using to lead to the annular back-off shaping back to be difficult to carry out the demolding to the mould, if the demolding is forced, then the work piece is pulled out easily, influences the work piece qualification rate. Therefore, the utility model provides a linkage core pulling mechanism of an injection mold, which is used for solving the problems.

Disclosure of Invention

The utility model aims to provide a linkage core pulling mechanism of an injection mold, which aims to solve the problem that the traditional mold proposed in the background art is difficult to take out of the mold after annular back-off forming of the end part of a drain pipe in a compact space.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an injection mold's linkage mechanism of loosing core includes:

the hollow linkage rod is formed by fixedly splicing two linkage rod splicing pieces, a demolding chute which is in an isosceles trapezoid shape is formed in the upper end part of the hollow linkage rod, the inner walls of the two sides of the demolding chute are fixedly connected with separating sliding guide rails, and a limiting chute is formed in the surface of the hollow linkage rod;

the core pulling rod is movably inserted into the inner cavity of the hollow linkage rod, the surface of the core pulling rod is fixedly connected with a fixed stop block which is in sliding connection with the limiting chute, the upper end part of the core pulling rod is fixedly connected with a T-shaped guide block, and the surface of the T-shaped guide block is fixedly provided with a formed step rod which is inserted into the inner cavity of the water pipe; a kind of electronic device with high-pressure air-conditioning system

The mould slider, the mould slider is provided with two and splices each other and form forming die, two mould slider respectively with two separation sliding guide sliding connection, T type guide way has been seted up to the bottom of mould slider, T type guide way and T type guide block sliding connection.

Preferably, a side surface of the two mould sliding blocks, which are close to each other, is provided with a forming cavity, a side surface of the two mould sliding blocks, which are far away from each other, is provided with a separation sliding groove, and the separation sliding groove is matched with and in sliding connection with the separation sliding guide rail.

Preferably, the lower end of the hollow linkage rod is provided with a linkage rod sliding groove, and the lower end of the hollow linkage rod is provided with a driving piece for driving the hollow linkage rod to slide along the length direction of the hollow linkage rod.

Preferably, the driving piece comprises a base, the middle part horizontal slip of base is provided with the drive piece that removes by the drive hydro-cylinder drive, the one end slope setting of drive piece, one end fixedly connected with riser of drive piece, the equal fixedly connected with gangbar guide rail of both sides face of riser, the lower extreme joint of hollow gangbar is in the riser outside and through gangbar spout and gangbar guide rail sliding connection.

Preferably, the upper surface level of riser sets up, and the corner of riser is provided with the guide rail parallel surface with the gangbar guide rail, the top of riser is provided with two fixed guide blocks, fixed guide block and base all remain fixedly with the back template of mould, two fixed guide block laminating hollow gangbar's both sides face respectively.

Preferably, the lower end face of the loose core rod passes through the space between the two fixed guide blocks and abuts against the upper surface of the vertical plate, and the other end of the driving block is locked and fixed by an external locking block.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model discloses a take out the core pole at the inside activity grafting of hollow gangbar, isosceles trapezoid's drawing of patterns spout has been seted up to hollow gangbar tip, the equal slidable mounting mould slider in both sides inner wall of drawing of patterns spout, two mould sliders splice each other and can take out the shaping to the annular back-off of drain pipe tip, spacing spout has been seted up on hollow gangbar surface, loose core pole fixed surface has the fixed dog with spacing spout sliding connection, when hollow gangbar moves along self length direction, fixed dog can slide in spacing spout inner chamber, take out the core pole earlier and keep motionless, the gangbar splice is kept motionless through separating slide rail drive two mould sliders slightly each other, fixed dog and spacing spout tip contact then, loose core pole moves along with hollow gangbar together, and the pulling mould slider moves thereupon, thereby realize the demolding of mould slider, this device can carry out the shaping of annular back-off to the drain pipe tip in narrow and easy demolding, can not cause the damage of work piece.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the hollow linkage rod structure of the present utility model;

FIG. 3 is an exploded view of the hollow linkage rod structure of the present utility model;

FIG. 4 is a schematic perspective view of a mold slide structure according to the present utility model;

fig. 5 is a schematic perspective view of a driving member according to the present utility model.

In the figure: 1. a linkage rod splice; 2. demoulding sliding grooves; 3. separating the sliding guide rail; 4. limiting sliding grooves; 5. drawing the core rod; 51. a fixed stop block; 6. a T-shaped guide block; 7. forming a step bar; 8. a mold slide; 9. separating the sliding groove; 10. a T-shaped guide groove; 11. a molding cavity; 12. a linkage rod chute; 13. a driving member; 14. a base; 15. a driving block; 16. a riser; 17. a linkage rod guide rail; 18. parallel surfaces of the guide rails; 19. fixing the guide block; 20. and driving the oil cylinder.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present utility model provides a technical solution:

example 1

An injection mold's linkage mechanism of loosing core includes: hollow gangbar, core pulling bar 5 and mould slider 8.

Specifically, the hollow linkage rod is formed by fixedly splicing two linkage rod splicing pieces 1, a demolding chute 2 which is in an isosceles trapezoid shape is formed in the upper end part of the hollow linkage rod, the inner walls of the two sides of the demolding chute 2 are fixedly connected with a separation sliding guide rail 3, a limit chute 4 is formed in the surface of the hollow linkage rod, and the structure of the hollow linkage rod is shown in fig. 2 and 3;

secondly, the core pulling rod 5 is movably inserted into the inner cavity of the hollow linkage rod, the core pulling rod 5 can slide relatively with the hollow linkage rod along the length direction of the hollow linkage rod, a fixed stop block 51 which is in sliding connection with the limit chute 4 is fixedly connected to the surface of the core pulling rod 5, the fixed stop block 51 can only slide in the inner cavity of the limit chute 4, after the fixed stop block 51 slides to the end part of the limit chute 4, the core pulling rod 5 can be driven to synchronously move along with the movement of the hollow linkage rod, the upper end part of the core pulling rod 5 is fixedly connected with a T-shaped guide block 6, the surface of the T-shaped guide block 6 is fixedly provided with a formed step rod 7 inserted into the inner cavity of the water pipe, and the formed step rod 7 can be prevented from deforming when the end part of the water pipe is reversely buckled in a formed ring shape;

further, two mold sliding blocks 8 are arranged and spliced with each other to form a forming mold, the two mold sliding blocks 8 are respectively buckled on two sides of the end part of the water pipe, the two mold sliding blocks 8 are respectively connected with the two separation sliding guide rails 3 in a sliding way, a T-shaped guide groove 10 is formed in the bottom of each mold sliding block 8, the T-shaped guide groove 10 is connected with the T-shaped guide block 6 in a sliding way, when the hollow linkage rod moves independently at first, the mold sliding blocks 8 and the core drawing rod 5 are kept fixed in the length direction of the hollow linkage rod, but due to the inclination of the separation sliding guide rails 3, the separation sliding guide rails 3 can drive the two mold sliding blocks 8 to be separated with each other along with the sliding of the hollow linkage rod; then, the inner wall of the end part of the limit chute 4 extrudes the fixed stop block 51 to drive the core drawing rod 5 and the die slide block 8 to slide along the length direction of the hollow link rod along with the hollow link rod, and the die slide block 8 can be separated from the end part of the water pipe, so that demolding is realized.

Example two

On the basis of the first embodiment, in order to separate the two mold slides 8 from each other, the utility model also has a forming cavity 11 formed on one side surface of the two mold slides 8, which are close to each other, so as to ensure that an annular back-off is formed at the end of the water pipe, a separating chute 9 is formed on one side surface of the two mold slides 8, which are far away from each other, and the separating chute 9 is adapted to and slidingly connected with the separating slide rail 3, so that the two mold slides 8 can be separated from each other when the hollow linkage rod slides.

Example III

On the basis of the second embodiment, the utility model also has a linkage rod chute 12 arranged at the lower end of the hollow linkage rod, and a driving piece 13 for driving the hollow linkage rod to slide along the length direction of the hollow linkage rod is arranged at the lower end of the hollow linkage rod, that is, the sliding of the hollow linkage rod is driven by the driving piece 13.

Example IV

On the basis of the third embodiment, in order to connect the hollow linkage rod with the structure inside the driving piece 13, the driving piece 13 of the utility model comprises a base 14, a driving block 15 driven to move by a driving oil cylinder 20 is horizontally arranged in a sliding manner in the middle of the base 14, one end face of the driving block 15 is obliquely arranged, one end face of the driving block 15 is fixedly connected with a vertical plate 16, two side faces of the vertical plate 16 are fixedly connected with a linkage rod guide rail 17, the lower end of the hollow linkage rod is clamped at the outer side of the vertical plate 16 and is in sliding connection with the linkage rod guide rail 17 through a linkage rod sliding groove 12, when the driving block 15 horizontally slides, the vertical plate 16 can drive the hollow linkage rod to move through the cooperation between the linkage rod guide rail 17 and the linkage rod sliding groove 12, and the hollow linkage rod can only slide along the length direction of the hollow linkage rod because of the sliding connection between the linkage rod sliding groove 12 and the linkage rod guide rail 17.

Example five

On the basis of the fourth embodiment, in order to guide the sliding direction of the hollow linkage rod, the upper surface of the vertical plate 16 is horizontally arranged, the corner of the vertical plate 16 is provided with a guide rail parallel surface 18 parallel to the linkage rod guide rail 17, two fixed guide blocks 19 are arranged above the vertical plate 16, the fixed guide blocks 19 and the base 14 are fixed with the rear template of the die, so that the fixed guide blocks 19 and the base 14 are kept relatively fixed, relative sliding does not occur, the two fixed guide blocks 19 are respectively attached to two side surfaces of the hollow linkage rod, the fixed guide blocks 19 and the base 14 can guide the sliding of the hollow linkage rod after being fixed, so that the hollow linkage rod can only slide along the length direction of the hollow linkage rod, when the hollow linkage rod is pulled by the driving block 15 to move, the hollow linkage rod is blocked by the fixed guide blocks 19 and cannot horizontally move, but because the linkage rod guide rail 17 is obliquely arranged, and the hollow linkage rod can slide along the length direction of the hollow linkage rod through the sliding connection of the rod sliding chute 12 and the linkage rod guide rail 17.

Example six

On the basis of the fifth embodiment, the lower end face of the core pulling rod 5 passes through the space between the two fixed guide blocks 19 and abuts against the upper surface of the vertical plate 16, when the driving block 15 horizontally slides, the lower end of the core pulling rod 5 is limited by the upper end face of the vertical plate 16 and cannot move downwards along the length direction of the hollow linkage rod, so that the core pulling rod 5 is firstly kept fixed, after the lower end of the core pulling rod 5 passes over the upper end face of the vertical plate 16 and reaches the surface of the parallel surface 18 of the guide rail, the fixed stop block 51 on the core pulling rod 5 is just attached to the inner wall of the end part of the limit chute 4, at the moment, the hollow linkage rod can drive the core pulling rod 5 to slide along the length direction at the same time, so that the demolding of the die slide block 8 is realized, and the other end of the driving block 15 is locked and fixed by an external locking block, and the locking block is used for locking and positioning the driving block 15.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a linkage core pulling mechanism of injection mold which characterized in that: comprising the following steps:

the hollow linkage rod is formed by fixedly splicing two linkage rod splicing pieces (1), a demolding chute (2) which is in an isosceles trapezoid shape is formed in the upper end part of the hollow linkage rod, separating sliding guide rails (3) are fixedly connected to the inner walls of the two sides of the demolding chute (2), and a limiting chute (4) is formed in the surface of the hollow linkage rod;

the core pulling rod (5) is movably inserted into the inner cavity of the hollow linkage rod, a fixed stop block (51) which is in sliding connection with the limiting chute (4) is fixedly connected to the surface of the core pulling rod (5), a T-shaped guide block (6) is fixedly connected to the upper end part of the core pulling rod (5), and a formed step rod (7) which is inserted into the inner cavity of the water pipe is fixedly arranged on the surface of the T-shaped guide block (6); a kind of electronic device with high-pressure air-conditioning system

The forming die comprises a die slide block (8), wherein the die slide block (8) is provided with two forming dies which are mutually spliced, the two forming dies are respectively connected with two separation sliding guide rails (3) in a sliding mode, a T-shaped guide groove (10) is formed in the bottom of the die slide block (8), and the T-shaped guide groove (10) is connected with a T-shaped guide block (6) in a sliding mode.

2. The linked core pulling mechanism of an injection mold according to claim 1, wherein: a forming cavity (11) is formed in one side surface, close to each other, of each of the two die sliding blocks (8), a separation sliding groove (9) is formed in one side surface, far away from each other, of each of the two die sliding blocks (8), and the separation sliding groove (9) is matched with and in sliding connection with the separation sliding guide rail (3).

3. The linked core pulling mechanism of an injection mold according to claim 2, wherein: the lower extreme of hollow gangbar has seted up gangbar spout (12), the lower extreme of hollow gangbar is provided with and is used for driving hollow gangbar and carries out gliding driving piece (13) along self length direction.

4. The linked core pulling mechanism of an injection mold according to claim 3, wherein: the driving piece (13) comprises a base (14), a driving block (15) which is driven to move by a driving oil cylinder (20) is horizontally arranged in the middle of the base (14) in a sliding mode, one end face of the driving block (15) is obliquely arranged, a vertical plate (16) is fixedly connected with one end face of the driving block (15), two side faces of the vertical plate (16) are fixedly connected with a linkage rod guide rail (17), and the lower end of the hollow linkage rod is clamped on the outer side of the vertical plate (16) and is in sliding connection with the linkage rod guide rail (17) through a linkage rod sliding groove (12).

5. The linked core pulling mechanism of an injection mold according to claim 4, wherein: the upper surface level of riser (16) sets up, and the corner of riser (16) is provided with guide rail parallel surface (18) parallel with gangbar guide rail (17), the top of riser (16) is provided with two fixed guide blocks (19), fixed guide block (19) and base (14) all keep fixedly with the back template of mould, two fixed guide blocks (19) laminate the both sides face of hollow gangbar respectively.

6. The linked core pulling mechanism of an injection mold according to claim 5, wherein: the lower end face of the core pulling rod (5) passes through the space between the two fixed guide blocks (19) and abuts against the upper surface of the vertical plate (16), and the other end of the driving block (15) is locked and fixed by an external locking block.