CN213733141U

CN213733141U - Flash self-breaking injection mould

Info

Publication number: CN213733141U
Application number: CN202022782010.9U
Authority: CN
Inventors: 程标
Original assignee: Shenzhen Jiaxinde Technology Co ltd
Current assignee: Shenzhen Jiaxinde Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-20
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a mould manufacturing technical field especially relates to drape over one's shoulders cutting off formula injection mould, including cover half subassembly and movable mould subassembly, the cover half subassembly includes the fixed die plate and locates the cover half benevolence on the fixed die plate, the movable mould subassembly includes movable mould board and locates the movable mould benevolence on the movable mould board, the fixed die plate is equipped with the line position piece that slides the setting in the periphery along the fixed die benevolence, the line position piece encloses the die cavity of establishing formation injection moulding product jointly with movable mould benevolence, the line position piece with form the die joint between the movable mould benevolence, the die joint slope in the slip direction of line position piece. The application provides a drape over one's shoulders cutting edge of a knife or a sword self-breaking injection mould, during its compound die, pour into the cooling behind the melting plastics in the die cavity with the output product, product drawing of patterns in-process, the line position piece slides to the horizontal direction, can drape over one's shoulders cutting edge of a knife or a sword excision with pressing from both sides the product in die joint department, reaches the effect of automatic getting rid of drape over one's edge of a knife or a sword, saves the process, shortens product production cycle.

Description

Flash self-breaking injection mould

[ technical field ] A method for producing a semiconductor device

The utility model relates to a mould manufacturing technical field especially relates to drape over one's shoulders cutting edge of a knife or a sword from disconnected formula injection mould.

[ background of the invention ]

In the injection molding process of the mold, a cavity which is consistent with the shape of a product is formed by closing a fixed mold and a movable mold, then molten plastic is injected into the cavity, in the existing injection mold, the parting surface is usually easy to generate burrs, and the generated burrs are generally removed by a polishing process.

[ summary of the invention ]

The utility model provides an aim at provides to drape over one's shoulders cutting edge of a knife or a sword from disconnected formula injection mould, during its compound die, pour into the cooling behind the melting plastics in the die cavity in order to produce the product, among the product drawing of patterns process, the line position piece slides to the horizontal direction, can drape over one's hair or a sword excision with pressing from both sides the product of locating at the die joint, reaches the effect of automatic getting rid of drape over one's hair or a sword, saves the process, shortens product production cycle.

The application is realized by the following technical scheme:

drape over one's shoulders cutting edge of a knife or a sword auto-fracture formula injection mould, including cover half subassembly and movable mould subassembly, the cover half subassembly includes the fixed die plate and locates the cover half benevolence on the fixed die plate, the movable mould subassembly includes the movable mould benevolence on the movable mould board and locates the movable mould benevolence on the movable mould board, the fixed die plate is equipped with the line position piece that slides and set up in the periphery along the fixed mould benevolence, the line position piece encloses the die cavity of establishing formation injection moulding product jointly with movable mould benevolence, the line position piece with form the die joint between the movable mould benevolence, the die joint slope in the slip direction of line position piece.

According to the flash self-breaking injection mold, the parting surface and the sliding direction of the line part form an angle of 30-60 degrees.

The flash self-breaking injection mould has the advantages that the parting surface inclines downwards along the direction of the cavity.

According to the flash self-breaking injection mold, an elastic part used for resetting the row position part in the direction away from the cavity is arranged between the row position part and the fixed mold plate.

According to the flash self-breaking injection mold, the slide part is provided with the inclined hole, the movable mold plate is provided with the inclined guide post matched with the inclined hole, and in the mold closing process, the inclined guide post extends into the inclined hole to drive the slide part to be pushed out towards the cavity direction.

The flash self-breaking injection mold comprises a fixed mold assembly, a fixed mold core and a fixed mold, wherein the fixed mold assembly comprises a top column penetrating through the fixed mold core, a sub-runner arranged in the top column and a main runner communicated with the sub-runner.

The flash self-breaking injection mold is characterized in that the runner is communicated with the cavity through a sprue, and the sprue is flat and long.

Compared with the prior art, the method has the following advantages:

when the flash self-breaking injection mold is closed, molten plastic is injected into the cavity and then cooled to produce a product, and in the product demolding process, the slide piece slides to the horizontal direction, so that the flash of the product clamped at the parting surface can be cut off, the effect of automatically removing the flash is achieved, the process is saved, and the production period of the product is shortened.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an injection mold with a flash self-breaking structure according to an embodiment of the present disclosure, wherein the injection mold is in an open state.

Fig. 2 is a sectional view in the direction a of fig. 1, in which the state is a mold clamping state.

Fig. 3 is an enlarged view of a portion C of fig. 2.

Fig. 4 is a sectional view in the direction B of fig. 1, in which the state is a mold clamping state.

Fig. 5 is an enlarged view of a portion D of fig. 4.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

As shown in fig. 1 to 5, this application embodiment provides and drapes over one's shoulders cutting off formula injection mould certainly, including cover half subassembly 1 and movable mould subassembly 2, cover half subassembly 1 includes fixed die plate 11 and locates fixed die benevolence 12 on the fixed die plate 11, movable mould subassembly 2 includes movable mould board 21 and locates movable mould benevolence 22 on the movable mould board 21, fixed die plate 11 is equipped with the line position piece 3 that slides the setting in the periphery along fixed die benevolence 12, line position piece 3 encloses the die cavity 4 of establishing formation injection moulding product jointly with movable mould benevolence 22, fixed die benevolence 12, line position piece 3 with form die joint 5 between the movable mould benevolence 22, die joint 5 be inclined in the slip direction of line position piece 3.

When the flash self-breaking injection mold is closed, molten plastic is injected into the cavity and then cooled to produce a product, the slide piece 3 slides in the horizontal direction in the product demolding process, the flash clamped at the parting surface can be cut off, the effect of automatically removing the flash is achieved, the process is saved, and the production period of the product is shortened.

Specifically, the parting surface 5 forms an angle of 30 ° to 60 ° with the sliding direction of the slide member 3. So as to achieve better cutting effect.

More preferably, the parting plane 5 is inclined downwards in the direction of the cavity 4. The technical scheme has the advantages that the burr generated by the molten plastic needs to be extruded obliquely upwards, and the generation difficulty of the burr is increased.

The slide member 3 is provided with an inclined hole, the movable die plate 21 is provided with an inclined guide post 31 matched with the inclined hole, and in the die assembly process, the inclined guide post 31 extends into the inclined hole to drive the slide member 3 to be pushed out towards the cavity 4.

Correspondingly, an elastic member, such as a spring, for returning the slide member 3 away from the cavity 4 is disposed between the slide member 3 and the fixed die plate 11.

In this embodiment, the fixed mold assembly 1 further includes a top pillar 61 penetrating the fixed mold core 12, a runner 62 disposed in the top pillar 61, and a main runner 63 communicated with the runner 62, wherein the runner 62 is communicated with the cavity 4 through a gate 64, and the gate 64 is flat and long. The flat long runner can better cooperate the die cavity of rectangular form, fills with more even speed, prevents the formation of flow line to the better product of output surface quality.

In summary, the present application has, but is not limited to, the following beneficial effects:

It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used herein to refer to an orientation or positional relationship as shown in the figures, which are used for convenience in describing and simplifying the present application, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered limiting of the present application.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.

Claims

1. Flash of a cloth is from disconnected formula injection mould, including cover half subassembly (1) and movable mould subassembly (2), cover half subassembly (1) includes fixed die plate (11) and locates fixed die benevolence (12) on fixed die plate (11), movable mould subassembly (2) include movable mould board (21) and locate movable mould benevolence (22) on movable mould board (21), its characterized in that, fixed die plate (11) are equipped with line position piece (3) that the slip set up in the periphery along fixed die benevolence (12), line position piece (3) enclose die cavity (4) of establishing formation injection moulding product jointly with movable mould benevolence (22), fixed die benevolence (12), line position piece (3) with form die joint (5) between movable mould benevolence (22), die joint (5) slope in the slip direction of line position piece (3).

2. The flash self-break injection mold according to claim 1, wherein the parting plane (5) forms an angle of 30 ° to 60 ° with the sliding direction of the slide (3).

3. The flash self-break injection mold according to claim 1, wherein the parting surface (5) is inclined downward in the direction of the cavity (4).

4. The flash self-breaking injection mold according to claim 1, wherein an elastic member for restoring the row position member (3) in a direction away from the cavity (4) is disposed between the row position member (3) and the fixed mold plate (11).

5. The flash self-breaking injection mold according to claim 4, wherein the row position member (3) is provided with an inclined hole, the movable mold plate (21) is provided with an inclined guide post (31) matched with the inclined hole, and during mold closing, the inclined guide post (31) extends into the inclined hole to drive the row position member (3) to push out towards the mold cavity (4).

6. The flash self-breaking injection mold according to claim 1, wherein the fixed mold assembly (1) further comprises a top pillar (61) penetrating the fixed mold core (12), a branch channel (62) arranged in the top pillar (61), and a main channel (63) communicated with the branch channel (62).

7. The flash self-break injection mold according to claim 6, wherein the runner (62) communicates with the cavity (4) through a gate (64), and the gate (64) is oblong.