CN213472019U

CN213472019U - Glue sealing mechanism of injection mold

Info

Publication number: CN213472019U
Application number: CN202021836210.1U
Authority: CN
Inventors: 高俊; 夏子宜
Original assignee: Ezhou Polytechnic
Current assignee: Ezhou Polytechnic
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-18
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses an injection mold's sealing machine constructs, including last mould and thin iron plate, the bottom left and right sides of going up the mould all is provided with spacing slotted hole, and the inside of spacing slotted hole links up has fixed protrusion, fixed protruding bottom mounting has the bed die, and the junction of bed die and last mould is provided with the die cavity, the inside of die cavity is provided with the runner, one side of keeping away from the vertical axis of last mould distributes in proper order by nearly going far has and seals glue sprue and triangle lug, and the inside left and right sides of triangle lug all is provided with and holds the chamber, it has the magnet to hold one side that the vertical axis of triangle lug was kept away from in the chamber is embedded. The vertical central axis of the limiting groove hole in the glue sealing mechanism of the injection mold is consistent with the vertical central axis of the fixing protrusion, and the fixing protrusion is just limited in the limiting groove hole when the lower mold is attached to the upper mold, so that the attachment degree and the connection stability between the lower mold and the upper mold can be enhanced.

Description

Glue sealing mechanism of injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold's gluey mechanism of sealing.

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 dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification. The injection mold comprises a mold core and a mold cavity, and the mold cavity part can be filled with plastic materials, namely a plastic position; the mold core includes a glue position, a touch-through position, a wipe-through position, etc. The periphery of the cavity blocks the glue, so that the part of the glue which does not overflow is called a glue sealing position.

The sealing glue structure in the existing injection mold is poor in stability, surface quality is low, and plastic particles cannot be well sealed, so that outward flash is easy to occur in the production process of plastic products.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold's gluey mechanism of sealing to the glue structural stability of sealing among the current injection mold who proposes in solving above-mentioned background art is not good, and surface quality is not high simultaneously, can't seal the plastic grain well, makes the problem of outside flash easily in plastic goods production process.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold's sealing machine constructs, includes mould and thin iron plate, the bottom left and right sides of going up the mould all is provided with spacing slotted hole, and the inside of spacing slotted hole links up has fixed arch, fixed bellied bottom mounting has the bed die, and the junction of bed die and last mould is provided with the die cavity, the inside of die cavity is provided with the runner, keeps away from one side of the vertical axis of going up the mould distributes in proper order by nearly to far has sealed glue sprue and triangle lug, and the inside left and right sides of triangle lug all is provided with and holds the chamber, it has the magnet to hold the chamber and keep away from one side of the vertical axis of triangle lug is embedded, keeps away from one side of the vertical axis of bed die distributes in proper order by nearly to far has spacing concave brick and triangle recess, inlay in the outside left and right sides of triangle recess in the.

Preferably, the bottom transverse diameter of the upper die is uniform with the top transverse diameter of the lower die, and the upper die, the cavity and the lower die are sequentially and tightly attached from top to bottom.

Preferably, the limiting groove holes are symmetrically distributed about the inner vertical central axis of the upper die, and the inner vertical diameter of each limiting groove hole is matched with the outer vertical diameter of each fixing protrusion.

Preferably, the glue sealing blocks and the triangular convex blocks are symmetrically distributed about a bottom vertical central axis of the upper die, the bottom structure size of the glue sealing blocks is matched with the internal structure size of the limiting concave blocks, and the external structure size of the triangular convex blocks is matched with the internal structure size of the triangular grooves.

Preferably, the containing cavity is symmetrically distributed about the vertical central axis in the triangular lug, and the magnet forms an embedded structure through the containing cavity.

Preferably, the thin iron blocks are symmetrically distributed about a vertical central axis of the triangular groove, and the thin iron blocks are of a semicircular structure.

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

1. this injection mold's sealing machine constructs bottom die's top middle part is protruding form for go up mould and bottom die from last to laminating in proper order when an organic whole the place of connection can form a die cavity down, when the material was injected from last mould top, the material can be filled to whole die cavity along the runner, so that produce the plastic product, wherein the vertical axis of spacing slotted hole is unanimous with fixed bellied vertical axis, fixed arch just spacing in the inside of spacing slotted hole when bottom die and last mould laminated mutually, with this laminating degree and the connection stability between can strengthen bottom die and the last mould.

2. This injection mold's mechanism of gluing seals glues sprue is provided with two, and it just is fixed in the left and right sides of mould bottom indent to seal the glue sprue, when the last mould moves down until with the bed die laminating mutually, the bottom of sealing the glue sprue just blocks in spacing recess, after that in the spacing triangle recess that advances in bottom of triangle lug, adsorb through magnet and thin iron piece and be connected each other between triangle lug and the triangle recess, thereby can strengthen the laminating steadiness of last mould and bed die, in order to take place the production quality that the skew influences the product in the position between the material in-process mould of annotating, still fix a position the position of gluing the sprue simultaneously, with this purpose that reaches the shutoff, it leads to the material to spill over from the die cavity to avoid becoming flexible between last mould and the bed die.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the upper mold and the lower mold of the present invention;

FIG. 3 is a schematic diagram of the separation structure of the upper mold and the lower mold of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an upper die; 2. limiting slotted holes; 3. a lower die; 4. a fixed protrusion; 5. a cavity; 6. A flow channel; 7. a triangular bump; 8. sealing a glue block; 9. an accommodating chamber; 10. a magnet; 11. a limit concave block; 12. a triangular groove; 13. a thin iron block.

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. 1-4, the present invention provides a technical solution: a glue sealing mechanism of an injection mold comprises an upper mold 1, a limiting groove hole 2, a lower mold 3, a fixing protrusion 4, a cavity 5, a runner 6, a triangular convex block 7, a glue sealing block 8, a containing cavity 9, a magnet 10, a limiting concave block 11, a triangular groove 12 and a thin iron block 13, wherein the limiting groove hole 2 is arranged on the left side and the right side of the bottom end of the upper mold 1, the fixing protrusion 4 is connected inside the limiting groove hole 2, the lower mold 3 is fixed at the bottom end of the fixing protrusion 4, the cavity 5 is arranged at the joint of the lower mold 3 and the upper mold 1, the runner 6 is arranged inside the cavity 5, the glue sealing block 8 and the triangular convex block 7 are sequentially distributed on one side far away from a vertical central axis of the upper mold 1 from near to far, the containing cavities 9 are arranged on the left side and the right side of the inside of the triangular convex block 7, the magnet 10 is embedded in one side of the containing, a limiting concave block 11 and a triangular groove 12 are sequentially distributed on one side far away from the vertical central axis of the lower die 3 from near to far, thin iron blocks 13 are embedded on the left side and the right side of the outer part of the triangular groove 12, the bottom transverse diameter of the upper die 1 is identical with the top transverse diameter of the lower die 3, the upper die 1, the cavity 5 and the lower die 3 are sequentially and tightly attached from top to bottom, the limiting slotted holes 2 are symmetrically distributed about the inner vertical central axis of the upper die 1, the inner vertical diameter of the limiting slotted holes 2 is identical with the outer vertical diameter of the fixing bulges 4, the middle part of the bottom of the upper die 1 is concave, the middle part of the top of the lower die 3 is convex, so that a cavity 5 is formed at the connection part when the upper die 1 and the lower die 3 are sequentially attached into a whole from top to bottom, when materials are injected from the top of the upper die 1, the materials are filled into the whole cavity 5 along, the vertical central axis of the limiting groove hole 2 is consistent with that of the fixing bulge 4, and the fixing bulge 4 is just limited in the limiting groove hole 2 when the lower die 3 is attached to the upper die 1, so that the attaching degree and the connection stability between the lower die 3 and the upper die 1 can be enhanced;

the glue sealing blocks 8 and the triangular convex blocks 7 are symmetrically distributed about the vertical central axis of the bottom end of the upper die 1, the structural size of the bottom end of the glue sealing blocks 8 is matched with the internal structural size of the limiting concave blocks 11, the external structural size of the triangular convex blocks 7 is matched with the internal structural size of the triangular grooves 12, the accommodating cavities 9 are symmetrically distributed about the vertical central axis of the interior of the triangular convex blocks 7, the magnet stones 10 form an embedded structure through the accommodating cavities 9, the thin iron blocks 13 are symmetrically distributed about the vertical central axis of the triangular grooves 12, the thin iron blocks 13 are in a semicircular structure, the glue sealing blocks 8 are provided in two numbers, the glue sealing blocks 8 are just fixed at the left side and the right side of the concave bottom end of the upper die 1, when the upper die 1 moves downwards until being matched with the lower die 3, the bottom ends of the glue sealing blocks 8 are just clamped in the limiting concave blocks 11, then the bottom ends of the triangular convex blocks 7 are limited, the triangular convex block 7 and the triangular groove 12 are mutually matched through the magnet 10 and the thin iron block 13 to be connected in an adsorption manner, so that the attachment stability of the upper mold 1 and the lower mold 3 can be enhanced, the position between the molds in the material injection process is prevented from being deviated to influence the production quality of products, and meanwhile, the position of the sealing glue block 8 is positioned, so that the purpose of plugging is achieved, and the phenomenon that the materials overflow from the cavity 5 due to the looseness between the upper mold 1 and the lower mold 3 is avoided.

The working principle is as follows: for the glue sealing mechanism of the injection mold, firstly, a lower mold 3 is arranged on a horizontal interface, then an upper mold 1 is arranged right above the lower mold 3, wherein the fixing bulges 4 arranged on the left side and the right side of the top end of the lower mold 3 are just limited in the limiting slotted holes 2 of the upper mold 1, the triangular lug 7 at the bottom end of the upper mold 1 is clamped into the triangular groove 12 at the top end of the lower mold 3, the left side and the right side of the inside of the triangular lug 7 are symmetrically embedded with the magnet 10, when the triangular lug 7 is clamped into the triangular groove 12, the thin iron blocks 13 on the left side and the right side of the outside of the triangular groove 12 are connected with the magnet 10 by the principle of magnetic adsorption, so that the upper mold 1 and the lower mold 3 are tightly attached into a whole, wherein the middle part of the top end of the lower mold 3 is in a convex shape, and a cavity 5 is formed at the connection part of the upper mold 1 and the lower mold 3 when the upper mold, when the material was injected from last mould 1 top, the material can be filled to whole die cavity 5 along runner 6, so as to produce the plastic product, wherein the vertical axis of spacing slotted hole 2 is unanimous with fixed raised 4's vertical axis, after that because seal glue sprue 8 just is fixed in the left and right sides of 1 bottom indent of last mould, when last mould 1 moves down until with bed die 3 laminating mutually, seal glue sprue 8's bottom just block in spacing sprue 11, thereby can effectively prevent that the skew from taking place to influence the production quality of product between the mould, it can reach the purpose of 5 both sides shutoff of die cavity to seal glue sprue 8's setting simultaneously, it leads to the material to spill over from die cavity 5 to avoid becoming flexible between last mould 1 and the bed die 3.

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

Claims

1. The utility model provides an injection mold's sealing machine constructs, includes mould (1) and thin iron plate (13), its characterized in that: the bottom left and right sides of the upper die (1) are respectively provided with a limiting groove hole (2), the inside of each limiting groove hole (2) is connected with a fixing bulge (4), the bottom of each fixing bulge (4) is fixed with a lower die (3), a cavity (5) is arranged at the joint of each lower die (3) and the upper die (1), a runner (6) is arranged inside each cavity (5), one side of a vertical central axis far away from the upper die (1) is sequentially provided with a sealing glue block (8) and a triangular convex block (7) from near to far, the left and right sides of the inside of each triangular convex block (7) are respectively provided with a containing cavity (9), one side of the containing cavity (9) far away from the vertical central axis of each triangular convex block (7) is embedded with a magnet (10), one side of the vertical central axis far away from the lower die (3) is sequentially provided with a limiting concave block (11) and a triangular groove (12) from near, the thin iron blocks (13) are embedded in the left side and the right side of the outer portion of the triangular groove (12).

2. The glue sealing mechanism of the injection mold according to claim 1, wherein: the bottom transverse diameter of the upper die (1) is uniform with the top transverse diameter of the lower die (3), and the upper die (1), the cavity (5) and the lower die (3) are sequentially and tightly attached from top to bottom.

3. The glue sealing mechanism of the injection mold according to claim 1, wherein: the limiting groove holes (2) are symmetrically distributed about the inner vertical central axis of the upper die (1), and the inner vertical diameter of the limiting groove holes (2) is matched with the outer vertical diameter of the fixing protrusions (4).

4. The glue sealing mechanism of the injection mold according to claim 1, wherein: the glue sealing blocks (8) and the triangular convex blocks (7) are symmetrically distributed about a bottom vertical central axis of the upper die (1), the bottom structural size of the glue sealing blocks (8) is matched with the internal structural size of the limiting concave blocks (11), and the external structural size of the triangular convex blocks (7) is matched with the internal structural size of the triangular grooves (12).

5. The glue sealing mechanism of the injection mold according to claim 1, wherein: the containing cavity (9) is symmetrically distributed about the vertical central axis in the triangular lug (7), and the magnet (10) forms an embedded structure through the containing cavity (9).

6. The glue sealing mechanism of the injection mold according to claim 1, wherein: the thin iron blocks (13) are symmetrically distributed about the vertical central axis of the triangular groove (12), and the thin iron blocks (13) are of a semicircular structure.