CN212147483U

CN212147483U - Adjustable forming device is used in cavity production

Info

Publication number: CN212147483U
Application number: CN202020633198.8U
Authority: CN
Inventors: 许乐
Original assignee: Yangzhou Jiujiu Plastic Industry Co ltd
Current assignee: Yangzhou Jiujiu Plastic Industry Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-15
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses an adjustable forming device is used in cavity production, including cope match-plate pattern and lower bolster, the fixed die cavity that is provided with in lower surface one side of cope match-plate pattern, the inside of cope match-plate pattern is to going up and peg graft and have the cavity formation post, and the cavity formation post is located the inside central point of die cavity relatively and puts, the upper end fixed connection that cavity formed the post is at the lower surface of clamp plate, clamp plate fixed connection is at the output of cylinder, the fixed lower die cavity that is provided with in upper surface one side of lower bolster, and correspond from top to bottom with the upper die cavity of lower die cavity, the middle part rigidity of lower bolster is provided with the extrusion hole of moulding plastics, and the extrusion hole of moulding plastics corresponds with the inside in lower die cavity. The utility model discloses in, it has the cavity to form the post to peg graft in the cope match-plate pattern structure, and cavity formation post can reciprocate under the effect of cylinder, realizes the change of injection moulding shape, realizes full cavity and half hollow shaping regulation, can realize that a plurality of cavitys of simultaneous shaping mould the piece, is applicable to the small-size operation of moulding a cavity.

Description

Adjustable forming device is used in cavity production

Technical Field

The utility model relates to a piece production field is moulded to cavity, especially relates to an adjustable forming device is used in cavity production.

Background

Referring to the hollow production, hollow blow molding is first conceived, in which a tubular thermoplastic plastic parison extruded from an extruder and still in a softened state is placed in a molding die, and then compressed air is introduced to deform the parison along the die cavity by the pressure of the air, thereby blowing a hollow article having a short neck.

The existing hollow blow molding technology is relatively mature, but the hollow is not necessarily carried out by using blow molding, the small plastic part is relatively obvious, the structures of an upper template and a lower template are generally fixed, the structure of the injection molded plastic part is relatively fixed, the small hollow plastic part has a semi-hollow structure and a full-hollow structure, when the structure of the hollow plastic part needs to be changed, a mold needs to be replaced, the consumed time is long, the hollow blow molding can only mold one plastic part in one operation, in the small plastic part molding operation, the speed is low once, and the production efficiency is extremely low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable forming device for hollow production.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an adjustable forming device is used in cavity production, includes cope match-plate pattern and lower bolster, the fixed upper die cavity that is provided with in lower surface one side of cope match-plate pattern, the inside of cope match-plate pattern is to the top and down pegging graft and is had the cavity formation post, and the cavity formation post is located the inside central point of upper die cavity relatively and puts, the upper end fixed connection of cavity formation post is at the lower surface of clamp plate, clamp plate fixed connection is at the output of cylinder, the fixed lower die cavity that is provided with in upper surface one side of lower bolster, and lower die cavity and upper die cavity correspond from top to bottom, the middle part rigidity of lower bolster is provided with the extrusion hole of moulding plastics, and the extrusion hole of moulding is just.

As a further description of the above technical solution:

the upper die groove is fixedly provided with a plurality of rows and a plurality of columns at equal intervals on the lower surface of the upper die plate, the number of the hollow forming columns corresponding to the upper die groove is equal, the outer diameter of each hollow forming column is smaller than the inner diameter of the upper die groove, and the length of each hollow forming column is larger than the thickness of the upper die plate.

As a further description of the above technical solution:

the upper portion position of cope match-plate pattern corresponds and is provided with the jack the same with cavity formation post external diameter, and is a plurality of the equal fixed connection of cavity formation post is at the lower surface of clamp plate, the upper surface middle part fixed connection of clamp plate has the telescopic link, the upper end correspondence of telescopic link is connected at the output of cylinder.

As a further description of the above technical solution:

the lower die cavity of the upper surface of the lower template is provided with a plurality of rows and a plurality of columns, a plurality of lower die cavities correspond to a plurality of upper die cavities up and down, the lower die cavities are communicated with one another through grooves, and the groove depth of each through groove is smaller than that of each lower die cavity.

As a further description of the above technical solution:

the sum of the thickness of the plate body of the upper template and the depth of the lower die cavity is the same as the length of the hollow forming column.

As a further description of the above technical solution:

the extrusion injection molding hole penetrates through the upper surface and the lower surface of the plate body of the lower template, and the extrusion injection molding hole is not directly communicated with the lower die groove.

As a further description of the above technical solution:

the upper template, the lower template and the pressing plate are mutually attached, and the butt joint surfaces are smooth.

The utility model discloses following beneficial effect has:

1. the utility model discloses in the adjustable forming device structure is used in cavity production, it has cavity formation post to peg graft inside the cope match-plate pattern, and cavity formation post can realize reciprocating under the effect of cylinder to realize the change of injection moulding shape, realize full cavity and half hollow shaping regulation.

2. The utility model discloses in the adjustable forming device structure is used in cavity production, correspond between the cope and drag template and be provided with a plurality of die cavities, can realize that a plurality of cavitys of simultaneous shaping mould the piece, and be applicable to the small-size cavity shaping operation of moulding the piece.

Drawings

FIG. 1 is a front sectional view of an adjustable molding apparatus for hollow production;

FIG. 2 is a first molding structure of an adjustable molding apparatus for hollow production;

FIG. 3 is a second molding structure of an adjustable molding apparatus for hollow production.

Illustration of the drawings:

1. mounting a template; 2. a lower template; 3. pressing a plate; 4. forming a column in a hollow manner; 5. feeding a die cavity; 6. a lower die cavity; 7. a through groove; 8. extruding the injection molding hole; 9. a telescopic rod; 10. and a cylinder.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an adjustable forming device is used in cavity production, including cope match-plate pattern 1 and lower bolster 2, provide the upper and lower mould of pressfitting, the fixed upper mould groove 5 that is provided with in lower surface one side of cope match-plate pattern 1, the inside of cope match-plate pattern 1 is to the top and bottom grafting has cavity to form post 4, the cavity that the realization was moulded forms, and cavity formation post 4 is located the inside central point of upper mould groove 5 relatively and puts, the upper end fixed connection of cavity formation post 4 is at the lower surface of clamp plate 3, clamp plate 3 fixed connection is at the output of cylinder 10, can realize the operation of adjusting from top to bottom, the fixed lower mould groove 6 that is provided with in upper surface one side of lower bolster 2, and lower mould groove 6 corresponds from top to bottom with upper mould groove 5, the upper and lower butt joint shaping of the piece is moulded to the realization, the middle part rigidity of lower bolster 2 is provided with.

The upper die cavity 5 is fixedly provided with a plurality of rows and a plurality of columns at equal intervals on the lower surface of the upper die plate 1 to provide a premise for forming a plurality of plastic parts at the same time, the number of the hollow forming columns 4 corresponding to the upper die cavity 5 is set to be the same, the outer diameter of the hollow forming columns 4 is set to be smaller than the inner diameter of the upper die cavity 5 to ensure the feasibility of the structure, the length of the hollow forming columns 4 is set to be larger than the plate thickness of the upper die plate 1 to provide a premise for up-and-down adjustment and modification, the upper part of the upper die plate 1 is correspondingly provided with jacks with the same outer diameter as the hollow forming columns 4, the plurality of hollow forming columns 4 are all fixedly connected on the lower surface of the pressing plate 3, the middle part of the upper surface of the pressing plate 3 is fixedly connected with an expansion link 9, the upper end of the expansion link 9 is correspondingly connected on the output end of an air cylinder 10 to realize the up, link up each other through leading to groove 7 between each lower mould groove 6, and the groove depth that leads to groove 7 sets up the groove depth that thickness is less than lower mould groove 6, it is simple and easy to guarantee the later stage edging, the plate body thickness of cope match-plate pattern 1 and the groove depth size sum of lower mould groove 6 are the same with the length setting of cavity formation post 4, guarantee to realize full hollow shaping, extrusion injection hole 8 runs through lower bolster 2's board body upper and lower surface, and extrusion injection hole 8 does not directly link up with lower mould groove 6, cope match-plate pattern 1, lower bolster 2 and clamp plate 3 are laminated each other and the butt joint face all sets up smoothly, guarantee the connection precision, it is more to avoid moulding a side deckle edge.

The working principle is as follows: when the all-hollow small plastic part forming operation is carried out, the air cylinder 10 is started, the pressing plate 3 is pressed on the upper surface of the upper template 1, the upper template 1 and the lower template 2 are mutually pressed, at the moment, the lower end of the hollow forming column 4 is pressed at the center position of the bottom of the lower die cavity 6, injection molding operation is carried out through the extrusion injection molding hole 8, finally, forming of a plurality of all-hollow small plastic parts is achieved, burrs can be cut off, when the half-hollow small plastic part forming operation is carried out, the air cylinder is started just 10, the plane where the lower end face of the hollow forming column 4 is located is the same as the plane where the lower surface of the upper template 1 is located, the previous steps are repeated, the half-hollow plastic part forming operation is achieved, adjustment of the forming shape is achieved through up-down movement of the hollow forming column 4.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an adjustable forming device is used in cavity production, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that: the fixed upper die groove (5) that is provided with in lower surface one side of cope match-plate pattern (1), the inside of cope match-plate pattern (1) is to the top and down pegs graft and is had cavity formation post (4), and cavity formation post (4) are located the inside central point of cope match-plate pattern (5) relatively and put, the upper end fixed connection that cavity formed post (4) is at the lower surface of clamp plate (3), clamp plate (3) fixed connection is at the output of cylinder (10), the fixed lower die groove (6) that is provided with in upper surface one side of lower bolster (2), and corresponds from top to bottom in lower die groove (6) and cope match-plate pattern (5), the middle part position of lower bolster (2) is fixed and is provided with extrusion injection molding hole (8), and extrusion injection molding hole (8) correspond with the inside of lower die groove (6) and link.

2. An adjustable molding apparatus for hollow production according to claim 1, characterized in that: go up chase (5) and fixedly be provided with multirow multiseriate in the lower surface equidistance of cope match-plate pattern (1), cavity formation post (4) correspond and set up to the same with the number of last chase (5), the external diameter size that cavity formation post (4) sets up the internal diameter size that is less than cope match-plate pattern (5), the length setting that cavity formation post (4) is greater than the board thickness of cope match-plate pattern (1).

3. An adjustable molding apparatus for hollow production according to claim 1, characterized in that: the upper portion position of cope match-plate pattern (1) corresponds and is provided with the jack the same with cavity formation post (4) external diameter, and is a plurality of the equal fixed connection of cavity formation post (4) is at the lower surface of clamp plate (3), the upper surface middle part position fixedly connected with telescopic link (9) of clamp plate (3), the output at cylinder (10) is connected to the upper end correspondence of telescopic link (9).

4. An adjustable molding apparatus for hollow production according to claim 1, characterized in that: the upper surface lower die cavity (6) of lower bolster (2) is provided with multirow multiseriate, and a plurality of lower die cavities (6) all correspond from top to bottom with a plurality of last die cavity (5), link up each other through logical groove (7) between each lower die cavity (6), and the groove depth that leads to groove (7) sets up the groove depth that thickness is less than lower die cavity (6).

5. An adjustable molding apparatus for hollow production according to claim 1, characterized in that: the sum of the thickness of the plate body of the upper template (1) and the depth of the lower die cavity (6) is the same as the length of the hollow forming column (4).

6. An adjustable molding apparatus for hollow production according to claim 1, characterized in that: the extrusion injection molding hole (8) penetrates through the upper surface and the lower surface of the plate body of the lower template (2), and the extrusion injection molding hole (8) is not directly communicated with the lower die groove (6).

7. An adjustable molding apparatus for hollow production according to claim 1, characterized in that: the upper template (1), the lower template (2) and the pressing plate (3) are mutually attached and the butt joint surfaces are smooth.