CN216885094U - Injection molding filling adjusting structure and mold - Google Patents

Abstract

The utility model relates to the field of auxiliary equipment of molds, in particular to an injection molding filling adjusting structure which comprises an adjusting insert, a flow passage component and an injection molding sprue bushing, wherein the adjusting insert is arranged on the injection molding sprue bushing; the adjusting insert is provided with a runner groove; one end of the runner component is arranged in the runner groove; a movable groove is formed in one side, away from the runner groove, of the adjusting insert, the movable groove is movably connected with a fixing bolt, and the adjusting insert moves along with the movement of the movable groove along the fixing bolt; the runner assembly is respectively communicated with a first injection molding position and a second injection molding position; the injection sprue is communicated with the flow channel assembly. The utility model provides an injection molding filling adjusting structure and a mold, which are capable of balancing glue running and ensuring product quality.

Description

Injection molding filling adjusting structure and mold

Technical Field

The utility model relates to the field of auxiliary equipment of molds, in particular to an injection molding filling adjusting structure and a mold.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

Because two products with different sizes are simultaneously discharged on one set of mould, when moulding plastics, the speed of glue speed is difficult to control, and the product with small volume is fully glued, and the product with large volume is half glued, that is to say two products are not balanced when being glued.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an injection molding filling adjusting structure and a mold which can balance glue running and ensure product quality.

The utility model adopts the following technical scheme:

an injection molding filling adjusting structure comprises an adjusting insert, a flow passage component and an injection sprue; the adjusting insert is provided with a runner groove; one end of the runner component is arranged in the runner groove; a movable groove is formed in one side, away from the runner groove, of the adjusting insert, the movable groove is movably connected with a fixing bolt, and the adjusting insert moves along with the movement of the movable groove along the fixing bolt; the runner assembly is respectively communicated with a first injection molding position and a second injection molding position; the injection sprue is communicated with the flow channel assembly.

In a further improvement of the above technical solution, the flow channel assembly includes a first flow channel, and a second flow channel and a third flow channel respectively connected to the first flow channel; the first flow passage is communicated with the injection sprue.

The technical scheme is further improved in that the second flow passage is communicated with the first injection molding position through the adjusting insert.

In a further improvement of the above solution, the second flow path is adjusted as the insert is moved.

The technical proposal is further improved in that the third flow channel is communicated with the second injection molding position.

The further improvement to the technical scheme is that a stepped groove used for limiting the fixing bolt is further arranged in the movable groove.

A mold comprises a rear mold core and the injection molding filling adjusting structure arranged on the rear mold core.

The technical scheme is further improved in that the rear mold core is provided with an inner groove for adjusting the matching movement of the insert.

The technical scheme is further improved in that the length of the inner groove is larger than that of the adjusting insert.

The technical scheme is further improved in that the first injection molding position and the second injection molding position are respectively arranged above the rear mold core.

The utility model has the beneficial effects that:

according to the utility model, the adjusting insert is moved in the inner groove of the rear mold core, and when the adjusting insert moves left and right along the inner groove, the glue running amount of the first injection molding position is effectively controlled, so that the problem that the glue running speed is difficult to control when two products with different sizes are injected is avoided, the glue running balance is realized, and the production efficiency is further improved.

Drawings

FIG. 1 is a schematic structural view of an injection molding filling adjustment structure of the present invention;

FIG. 2 is a partial exploded view of the injection molding fill adjustment structure of FIG. 1;

FIG. 3 is a schematic structural view of a mold of the present invention;

fig. 4 is a partially enlarged view of circle a of the mold of fig. 3.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, an injection filling adjusting structure includes an adjusting insert 10, a runner assembly 20, and an injection sprue 30; the adjusting insert 10 is provided with a runner groove 11; one end of the runner assembly 20 is arranged in the runner groove 11; a movable groove 12 is formed in one side, away from the runner groove 11, of the adjusting insert 10, a fixing bolt 40 is movably connected to the movable groove 12, and the adjusting insert 10 moves along with the movement of the movable groove 12 along the fixing bolt 40; the runner component 20 is respectively communicated with a first injection molding position 50 and a second injection molding position 60; the injection sprue 30 is communicated with the runner assembly 20.

Further, the flow channel assembly 20 includes a first flow channel 21, a second flow channel 22 and a third flow channel 23 respectively connected to the first flow channel 21; the first runner 21 is communicated with the injection sprue 30.

Further, the second flow passage 22 communicates with the first injection site 50 through the insert 10.

Further, the second flow passage 22 is adjusted as the conditioning insert 10 moves. The size of the second runner 22 is adjusted according to the change of the runner groove 11 of the adjusting insert 10, so that the glue running amount is controlled, and the glue running of two injection molding positions is further balanced.

Further, the third flow channel 23 communicates with the second injection site 60.

Further, a stepped groove 13 for limiting the fixing bolt 40 is further formed in the movable groove 12. The fixing bolt 40 is fixed on the rear mold core, the stepped groove 13 limits the further movement of the fixing bolt 40, so that the adjusting insert 10 and the fixing bolt 40 are movably arranged, the left and right movement of the adjusting insert 10 is further realized, and the glue running amount of the first injection molding position 50 is effectively controlled.

As shown in fig. 3 and 4, a mold includes a rear mold core 70 and an injection filling adjustment structure disposed on the rear mold core 70.

Further, the rear mold core 70 is provided with an inner groove 80 for adjusting the matching movement of the insert 10.

Further, the length of the inner groove 80 is greater than the length of the adjusting insert 10. Due to the arrangement, the insert 10 can be conveniently adjusted to move in the inner groove 80, so that the size of the second flow passage 22 can be adjusted, and the glue flow can be controlled.

Further, the first injection molding station 50 and the second injection molding station 60 are respectively disposed above the rear mold core 70.

According to the utility model, the adjusting insert 10 is moved in the inner groove 80 of the rear mold core 70, and when the adjusting insert 10 moves left and right along the inner groove 80, the glue running amount of the first injection molding position 50 is effectively controlled, so that the problem that the glue running speed is difficult to control when two products with different sizes are injected is solved, the glue running balance is realized, and the production efficiency is further improved.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An injection molding filling adjusting structure is characterized by comprising an adjusting insert, a flow passage component and an injection molding sprue bushing; the adjusting insert is provided with a runner groove; one end of the runner component is arranged in the runner groove; a movable groove is formed in one side, away from the runner groove, of the adjusting insert, the movable groove is movably connected with a fixing bolt, and the adjusting insert moves along with the movable groove along the fixing bolt; the runner assembly is respectively communicated with a first injection molding position and a second injection molding position; the injection sprue is communicated with the flow channel assembly.

2. An injection molding filling adjustment structure according to claim 1, wherein the runner assembly includes a first runner, a second runner and a third runner respectively connected to the first runner; the first flow passage is communicated with the injection sprue.

3. The injection fill tuning structure of claim 2, wherein the second flow passage communicates with the first injection site through the tuning insert.

4. The injection fill conditioning structure of claim 3, wherein the second flow path is adjusted as the conditioning insert moves.

5. An injection molding filling adjustment structure according to claim 2, wherein the third flow passage communicates with the second injection molding station.

6. An injection molding filling adjustment structure according to claim 1, wherein a stepped groove for fixing bolt limiting is further provided inside the movable groove.

7. A mold, comprising a rear mold core, and the injection filling adjusting structure of any one of claims 1 to 6 disposed on the rear mold core.

8. The mold according to claim 7, wherein the rear mold core is provided with an inner groove for adjusting the matching movement of the insert.

9. The mold of claim 8, wherein the inner groove has a length greater than a length of the conditioning insert.

10. The mold of claim 7, wherein the first molding position and the second molding position are respectively disposed above the rear mold core.

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