CN212528557U

CN212528557U - Runner shutoff mechanism for mould

Info

Publication number: CN212528557U
Application number: CN202021079069.5U
Authority: CN
Inventors: 梁文钊
Original assignee: Dongguan Jiexun Industry Co ltd
Current assignee: Dongguan Jiexun Industry Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-12
Anticipated expiration: 2030-06-11

Abstract

The utility model relates to the field of mold devices, in particular to a runner intercepting mechanism for a mold, which is used on the mold, the mold comprises a mold core, the mold is also provided with a first injection runner and a second injection runner, and the mold core is used for installing the runner intercepting mechanism for the mold; the flow channel closure mechanism for the die comprises an outer shell, a closure piece arranged in the outer shell, and a water gap thimble arranged in the closure piece; a spring top column is clamped at the bottom of the cut-off piece; the outer shell is provided with a mounting groove for communicating the first injection molding runner; the top of the closure piece is provided with a through hole and an operation groove communicated with the through hole; the operation groove is used for communicating the second injection molding runner; and when the cut-off piece rotates, the through port is switched to be communicated with or disconnected from the mounting groove. The utility model provides a selectively mould plastics, reduce cost, raise the efficiency runner mechanism that dams for the mould.

Description

Runner shutoff mechanism for mould

Technical Field

The utility model relates to a mold device field especially relates to a runner damming mechanism for mould.

Background

The mould is called as 'industrial mother' and is used for producing various moulds and tools for injection moulding, blow moulding, extrusion, die casting or forging moulding, smelting, punching and other methods to obtain required products in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

In the injection molding process of the mold, when glue is flowed through the runner, the product cannot be selectively injected, so that the production cost is increased, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a selectively mould plastics, reduce cost, raise the efficiency runner damps the mechanism for the mould.

The utility model adopts the following technical scheme:

a runner intercepting mechanism for a mold is used on the mold, the mold comprises a mold core, the mold is also provided with a first injection runner and a second injection runner, and the mold core is used for mounting the runner intercepting mechanism for the mold; the flow channel closure mechanism for the die comprises an outer shell, a closure piece arranged in the outer shell, and a water gap thimble arranged in the closure piece; a spring top column is clamped at the bottom of the cut-off piece; the outer shell is provided with a mounting groove for communicating the first injection molding runner; the top of the closure piece is provided with a through hole and an operation groove communicated with the through hole; the operation groove is used for communicating the second injection molding runner; and when the cut-off piece rotates, the through port is switched to be communicated with or disconnected from the mounting groove.

The spring support column comprises a support column body, a ball movably arranged on the support column body, a spring connected to the ball and fixed inside the support column body, and a base arranged at the bottom of the support column body.

The technical scheme is further improved in that the base is in threaded connection with the top column body, and the bottom of the base is provided with a mounting hole for mounting the base at the bottom of the top column body in a rotating manner.

The technical scheme is further improved in that the runner intercepting mechanism for the mold is used for connecting the first injection molding runner, and the first injection molding runner is communicated with the second injection molding runner; the mold core also comprises a first molding template, a second molding template and a third molding template.

The technical scheme is further improved in that the first molding template and the second molding template are respectively used for communicating the first injection molding runner; the third molding template is used for communicating the second injection molding runner.

The technical proposal is further improved in that one side surface of the bottom of the outer shell is provided with an extension block to fix the outer shell on the mold core.

The further improvement to above-mentioned technical scheme does, the quantity of opening sets up to a plurality ofly, the bottom that dams is equipped with the constant head tank that a plurality of circumference intervals set up, the position of opening and part the position one-to-one of constant head tank.

The technical scheme is further improved in that the bottom of the closure member is provided with four positioning grooves which are circumferentially arranged at intervals, two adjacent positioning grooves are vertically intersected, and the positioning grooves are radially arranged from the center of the bottom of the closure member; the positions of the through openings correspond to the positions of three of the positioning grooves one to one.

The technical scheme is further improved in that the number of the mounting grooves is two, the mounting grooves are respectively positioned on two opposite sides of the operation groove, and the mounting grooves are arranged in the same straight line; the quantity of opening sets up to three, each the opening centers on the operation groove sets up, wherein two the opening is same inline, last opening and other two the opening is arranged perpendicularly.

The technical scheme is further improved in that the operation groove is an inner hexagonal hole groove or a square hole groove.

The utility model has the advantages that:

the runner intercepting mechanism for the die is stable in structure, and the intercepting piece can be rotatably arranged on the runner intercepting mechanism for the die, so that the production efficiency can be improved; before injection molding processing, the user adopts tools such as hexagonal spoon according to actual need, is connected to the operation groove on the piece that dams to rotate, through the rotation that dams, makes the opening can realize two or three in the three shaping masterplate of selectively moulding plastics, further improves this for the mould runner mechanism that dams production efficiency, reduction in production cost.

Drawings

Fig. 1 is a schematic structural view of a runner intercepting mechanism and a mold insert for a mold according to the present invention;

fig. 2 is a top view of the runner shutoff mechanism for the mold shown in fig. 1;

fig. 3 is a sectional view in the direction a-a of the runner shutoff mechanism for the mold shown in fig. 2;

fig. 4 is a view showing a state of use of the runner shutoff mechanism for the mold shown in fig. 1;

fig. 5 is a perspective view of the runner shutoff mechanism for the mold shown in fig. 1;

fig. 6 is another angular perspective view of the runner shutoff mechanism for the mold shown in fig. 1;

fig. 7 is a perspective view of a spring loaded post of the runner shutoff mechanism for the mold shown in fig. 1;

fig. 8 is a sectional view of the spring top post of the runner shutoff mechanism for a mold shown in fig. 1 in the direction B-B.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention.

As shown in fig. 1 to 8, a flow path blocking mechanism for a mold is used for a mold, the mold includes a mold core 10, the mold is further provided with a first injection flow path 30 and a second injection flow path 40, and the mold core 10 is used for installing the flow path blocking mechanism 20 for the mold; the flow channel closure mechanism 20 for the mold comprises an outer shell 21, a closure piece 22 arranged in the outer shell 21, and a water gap thimble 23 arranged in the closure piece 22; the bottom of the cut-off piece 22 is clamped with a spring top column 50; the outer shell 21 is provided with a mounting groove 24 for communicating with the first injection molding runner 30; the top of the closure member 22 is provided with a through hole 25 and an operation groove 26 communicated with the through hole 25; the operating groove 26 is used for communicating with the second injection runner 40; when the closure member 22 rotates, the communication between the through hole 25 and the mounting groove 24 is switched.

As shown in fig. 2 and 3, an extension block 211 is disposed on a side surface of the bottom of the outer shell 21 to fix the outer shell 21 on the mold core 10. The extension block 211 effectively fixes the outer shell 21 on the mold core 10, so that the stability of the structure of the flow channel intercepting mechanism 20 for the mold is improved, and the practicability is high.

As shown in fig. 2 to 6, the bottom of the closure member 22 is provided with four positioning slots 224 arranged at intervals in the circumferential direction, two adjacent positioning slots 224 are perpendicularly intersected, and the positioning slots 224 are radially arranged from the center of the bottom of the closure member 22; the positions of the through openings 25 correspond one-to-one with the positions of three of the positioning grooves 224.

The quantity of opening 25 sets up to a plurality ofly, and the bottom of closure 22 is equipped with the constant head tank 224 that a plurality of circumference intervals set up, and the position of opening 25 and the position one-to-one of partial constant head tank 224.

The number of the mounting grooves 24 is two, the mounting grooves 24 are respectively positioned at two opposite sides of the operating groove 26, and the mounting grooves 24 are arranged in the same straight line; the quantity of through-opening 25 sets up to three, and each through-opening 25 sets up around operation groove 26, and two of them through-opening 25 are same inline, and last through-opening 25 arranges with other two through-openings 25 are perpendicular. The operation slot 26 is a hexagon socket slot or a square hole slot.

A user can use tools such as a hexagonal key and the like, connect the operation grooves 26 and rotate the operation grooves, so that the through holes 25 are rotated to the required direction, three products or two products can be selectively injected, and the injection molding efficiency is improved; the positioning groove 224 facilitates positioning and fixing during rotation, and further improves the structural stability of the flow path blocking mechanism 20 for the mold. In this embodiment, the positioning grooves 224 are radially disposed from the bottom center of the closure member 22.

As shown in fig. 1, the runner shutoff mechanism 20 for a mold is used for connecting a first injection runner 30; the first injection runner 30 is communicated with the second injection runner 40; the mold further comprises a first communicating piece 30 and a second communicating piece 40, wherein the first communicating piece 30 and the second communicating piece 40 are respectively communicated with the second injection molding runner 40; the first injection runner 30 communicates with the second injection runner 40. The mold core 10 further comprises a first molding template 11, a second molding template 12 and a third molding template 13; the first molding template 11 and the second molding template 12 are respectively used for communicating the first injection runner 30; the third molding template 13 is used for communicating the second injection runner 40; the user rotates the cut-off member 22 relative to the outer shell 21 to open and close the first injection runner 30, that is, to open the first injection runner 30 or close the connecting channel between the first injection runner 30 and one of the first molding plate 11 and the second molding plate 12, so that three or two products can be selectively injected, and the production efficiency is further improved.

As shown in fig. 7 and 8, the spring top pillar 50 includes a top pillar 51, a ball 52 movably disposed on the top pillar 51, a spring 53 connected to the ball 52 and fixed inside the top pillar 51, and a base 54 installed at the bottom of the top pillar 51; the base 54 is screwed with the top cylinder 51, and a mounting hole 541 is formed at the bottom of the base 54 to mount the base 54 at the bottom of the top cylinder 51 by screwing. When the cut-off member 22 rotates, the ball 52 is pressed and drives the spring 53 to compress, and when the ball 52 is clamped in the positioning groove 224, the rotation of the cut-off member 22 can be completed, so that the operation is simple, and the production efficiency is effectively improved; the mounting hole 541 can mount the base 54 at the bottom of the top column 51 by means of a tool such as a hex key, so as to effectively ensure the structural stability of the top column 70 of the spring 53, and the practicability is strong.

The flow channel intercepting mechanism 20 for the mold has a stable structure, and the intercepting piece 22 can be rotatably arranged on the flow channel intercepting mechanism 20 for the mold, so that the production efficiency can be improved; before injection molding, a user adopts tools such as a hexagonal key and the like according to actual needs, is connected to the operation groove 26 on the closure member 22 and rotates, and through the rotation of the closure member 22, the through opening 25 can realize selective injection molding of two or three of three molding templates, so that the production efficiency of the flow channel closure mechanism 20 for the mold is further improved, and the production cost is reduced.

The above examples only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the present invention. It should be noted that those skilled in the art will recognize that the invention may be practiced without departing from its spirit or scope. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a runner mechanism that dams for mould for on the mould, the mould includes mould benevolence, the mould still is equipped with first runner of moulding plastics, the second runner of moulding plastics, its characterized in that: the die core is used for mounting the runner intercepting mechanism for the die; the flow channel closure mechanism for the die comprises an outer shell, a closure piece arranged in the outer shell, and a water gap thimble arranged in the closure piece; a spring top column is clamped at the bottom of the cut-off piece; the outer shell is provided with a mounting groove for communicating the first injection molding runner; the top of the closure piece is provided with a through hole and an operation groove communicated with the through hole; the operation groove is used for communicating the second injection molding runner; and when the cut-off piece rotates, the through port is switched to be communicated with or disconnected from the mounting groove.

2. The runner shutoff mechanism for the mold according to claim 1, wherein: the spring support pillar comprises a support pillar body, a ball movably arranged on the support pillar body, a spring connected to the ball and fixed inside the support pillar body, and a base installed at the bottom of the support pillar body.

3. The runner shutoff mechanism for the mold according to claim 2, wherein: the base with the top cylinder threaded connection, the bottom of base is seted up the mounting hole and is in order through with the base rotary mounting is in the bottom of top cylinder.

4. The runner shutoff mechanism for the mold according to claim 1, wherein: the runner intercepting mechanism for the mold is used for connecting the first injection molding runner, and the first injection molding runner is communicated with the second injection molding runner; the mold core also comprises a first molding template, a second molding template and a third molding template.

5. The runner shutoff mechanism for the mold according to claim 4, wherein: the first molding template and the second molding template are respectively used for communicating the first injection molding runner; the third molding template is used for communicating the second injection molding runner.

6. The runner shutoff mechanism for the mold according to claim 1, wherein: an extension block is arranged on one side face of the bottom of the outer shell to fix the outer shell on the mold core.

7. The runner shutoff mechanism for the mold according to claim 1, wherein: the quantity of opening sets up to a plurality ofly, the bottom that dams is equipped with the constant head tank that a plurality of circumference intervals set up, the position and the part of opening the position one-to-one of constant head tank.

8. The runner shutoff mechanism for the mold according to claim 7, wherein: the bottom of the closure piece is provided with four positioning grooves which are circumferentially arranged at intervals, two adjacent positioning grooves are vertically intersected, and the positioning grooves are radially arranged from the center of the bottom of the closure piece; the positions of the through openings correspond to the positions of three of the positioning grooves one to one.

9. The runner shutoff mechanism for the mold according to claim 1, wherein: the number of the mounting grooves is two, the mounting grooves are respectively positioned on two opposite sides of the operating groove, and the mounting grooves are arranged in the same straight line; the quantity of opening sets up to three, each the opening centers on the operation groove sets up, wherein two the opening is same inline, last opening and other two the opening is arranged perpendicularly.

10. The runner shutoff mechanism for the mold according to claim 9, wherein: the operation groove is an inner hexagonal hole groove or a square hole groove.