CN210820608U

CN210820608U - Take secondary ejection mechanism mould

Info

Publication number: CN210820608U
Application number: CN201920712552.3U
Authority: CN
Inventors: 徐咏梅; 何多源; 周双福; 虞九塘
Original assignee: Ningbo Sunway Precision Machinery Co ltd
Current assignee: Ningbo Sunway Precision Machinery Co ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-06-23
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a take secondary ejection mechanism mould, including mould runner subassembly, mould cover half subassembly, mould movable mould subassembly, mould die sinking subassembly and mould sliding block subassembly, the mould adopts 1 mould 2 caves, and glue is advanced to thin water gap point, the effectual mould work piece that has saved simplifies the mould structure, has improved preparation efficiency, reduces mould processing manufacturing cost, can realize automatic injection moulding.

Description

Take secondary ejection mechanism mould

Technical Field

The utility model relates to an injection mold mechanism design field specifically is a take secondary ejection mechanism mould.

Background

An 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 injection molding is a processing method used for mass production of parts with complex shapes

The corresponding characteristics on the plastic part have the problems of high injection molding cost, particularly too high proportion of runner waste, complex design of mechanism parts, too high mold processing and manufacturing cost and the like during mold design.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a mold with a secondary ejection mechanism, which has reasonable design, compact structure, stable operation, safety, reliability and convenient use; for solving the above-mentioned prior art problem, the utility model discloses a following scheme: a die with a secondary ejection mechanism comprises a panel, a runner plate, a fixed die plate, a movable die plate, square iron, an ejector pin panel, an ejector pin bottom plate, a sprue bushing, a fixed die core, a movable die core, an inclined ejector connecting rod, an inclined ejector base, a support column, an ejector rod medium insert, a middle support bushing, a front die embedding needle, nylon zipper glue, fine positioning, a slide, a chicken shovel, a guide pillar, a step bushing, a limit pull rod, a tightening block, a first slider and a second slider, wherein the runner assembly with the secondary ejection mechanism comprises the runner plate and the sprue bushing, the runner plate is arranged at the bottom of the panel, the sprue bushing is fixedly arranged on the panel through screws, the fixed die plate is a first plate of the die and is fixed with the panel through screws, the fixed die core is fixed in the fixed die plate, the front die insert pin is arranged on the fixed die plate, the slide position is arranged on the fixed die plate, the guide post and the step guide sleeve are in slide quota, the step guide sleeve is arranged in the fixed die plate and the movable die plate, the movable die assembly with the secondary ejection mechanism die comprises a movable die plate, square iron, a bottom plate, a movable die core, a support column and nylon zipper adhesive, the movable die plate is arranged on the bottom plate of the fixed die plate, the square iron is fixedly arranged on the bottom plate of the movable die plate, the bottom plate is fixedly arranged at the bottom of the square iron, the movable die core is arranged in the movable die plate, the support column is arranged on the die bottom plate, the nylon zipper adhesive is arranged on the movable die plate, the die opening assembly with the secondary ejection mechanism die comprises an ejector pin panel, an ejector pin bottom plate, an ejector pin medium insert, the ejector rod medium insert is installed on the ejector base plate, the middle support and the middle support guide sleeve are installed on the ejector plate, the sliding block assembly with the secondary ejection mechanism mold comprises an inclined top, an inclined top connecting rod, an inclined top seat, a fine positioning part, a limiting pull rod, a tightening block, a first sliding block and a second sliding block, the inclined top is installed in the movable mold core, the inclined top connecting rod is installed on the movable mold core, the inclined top seat is installed on the ejector plate, the fine positioning part is installed at the parting position of the movable mold plate and the fixed mold plate, the limiting pull rod is installed on the panel, the tightening block is installed on the panel through screws, and the first sliding block and the second sliding block are installed on one side of the movable mold plate.

The runner assembly of the die comprises a runner plate and a sprue bushing, wherein the runner plate is arranged at the bottom of the panel, and the sprue bushing is fixedly arranged on the panel through screws.

The fixed die assembly of the die comprises a panel, a fixed die plate, a fixed die core, a front die insert pin, a slide, a guide pillar and a step guide sleeve, wherein the panel is a first plate of the die, the fixed die plate is fixed with the panel through screws, the fixed die core is fixed in the fixed die plate, the front die insert pin is installed on the fixed die plate, the slide is installed on the fixed die plate through the guide pillar and the step guide sleeve, and the step guide sleeve is installed in the fixed die plate and the movable die plate.

The movable mould component of the mould comprises a movable mould plate, square iron, a bottom plate, a movable mould core, a support column and nylon drawing glue, wherein the movable mould plate is arranged on the bottom plate of the fixed mould plate, the square iron is fixedly arranged on the bottom plate of the movable mould plate, the bottom plate is fixedly arranged at the bottom of the square iron, the movable mould core is arranged in the movable mould plate, the support column is arranged on the bottom plate of the mould, and the nylon drawing glue is arranged on the movable mould plate.

The die sinking assembly of the die comprises a thimble panel, a thimble bottom plate, a top rod medium insert, a middle support sleeve and a middle support sleeve, wherein the thimble panel is arranged at the top of the thimble bottom plate, the thimble bottom plate is arranged at the top of the bottom plate, the top rod medium insert is arranged on the thimble bottom plate, and the middle support sleeve are arranged on the thimble plate.

The sliding block assembly of the die comprises an inclined top, an inclined top connecting rod, an inclined top seat, a fine positioning block, a limiting pull rod, a tightening block, a first sliding block and a second sliding block, wherein the inclined top is installed in a movable die core, the inclined top connecting rod is installed on the movable die core, the inclined top seat is installed on a top needle plate, the fine positioning block is installed at the parting position of a movable die plate and a fixed die plate, the limiting pull rod is installed on a panel, the tightening block is installed on the panel through screws, and the first sliding block and the second sliding block are installed on one side of the movable die plate.

The mould adopts 1 mould and 2 holes, and glue is poured into a thin water gap.

The utility model discloses in: the technical problem solved by the mold with the secondary ejection mechanism is that: the injection molding cost is high, especially the runner waste material accounts for than too high, and the mechanism part design is complicated, and the beneficial effect who reaches is: the processing and manufacturing cost of the die is reduced, and automatic injection molding can be realized.

Drawings

FIG. 1 is a schematic structural view of a mold in front view;

FIG. 2 is a schematic side sectional view of the mold;

FIG. 3 is a schematic view of a mold in partial configuration;

fig. 4 is a side view of the mold.

Detailed Description

FIGS. 1-4 are related explanatory views of the present invention; the specific embodiment is that, as shown in fig. 1, fig. 2, fig. 3, fig. 4, a mold with a secondary ejection mechanism, which comprises a panel 1, a runner plate 2, a fixed mold plate 3, a movable mold plate 4, square iron 5, an ejector pin panel 6, an ejector pin bottom plate 7, a bottom plate 8, a sprue bushing 9, a fixed mold core 10, a movable mold core 11, an inclined top 12, an inclined top connecting rod 13, an inclined top seat 14, a support column 15, an ejector rod medium insert 16, a middle support 17, a middle support guide sleeve 18, a front mold insert 19, nylon zipper glue 20, a fine positioning 21, a slide position 22, a shovel chicken 23, a guide pillar 24, a step guide sleeve 25, a limit pull rod 26, a tightening block 27, a first slide block 28, and a second slide block 29, the runner assembly of the mold with the secondary ejection mechanism comprises a runner plate 2 and a sprue bushing 9, the runner plate 2 is mounted at the bottom of the panel 1, the sprue bushing 9 is fixedly mounted on the panel 1 through screws, the fixed die component with the secondary ejection mechanism die comprises a panel 1, a fixed die plate 3, a fixed die core 10, a front die insert pin 19, a slide position 22, a guide pillar 24 and a step guide sleeve 25, wherein the panel 1 is a first plate of the die, the fixed die plate 3 is fixed with the panel 1 through screws, the fixed die core 10 is fixed in the fixed die plate 3, the front die insert pin 19 is installed on the fixed die plate 3, the slide position 22 is installed on the fixed die plate 3, the guide pillar 24 and the step guide sleeve 25 are slidably matched, the step guide sleeve 25 is installed in the fixed die plate 3 and the movable die plate 4, the movable die component with the secondary ejection mechanism die comprises a movable die plate 4, a square iron 5, a bottom plate 8, a movable die core 11, a support pillar 15 and nylon gum 20, the movable die plate 4 is installed on a bottom plate of the fixed die plate 3, the square iron 5 is fixedly installed on the bottom plate of the movable die plate 4, the bottom plate 8 is fixedly, the mold opening assembly with the secondary ejection mechanism mold comprises an ejector pin panel 6, an ejector pin bottom plate 7, an ejector rod medium insert 16, a middle support 17 and a middle support guide sleeve 18, wherein the ejector pin panel 6 is installed at the top of the ejector pin bottom plate 7, the ejector pin bottom plate 7 is installed at the top of the bottom plate 8, the ejector rod medium insert 16 is installed on the ejector pin bottom plate 7, the middle support 17 and the middle support guide sleeve 18 are installed on an ejector pin plate, the slide block assembly with the secondary ejection mechanism mold comprises an inclined top 12, an inclined top connecting rod 13, an inclined top seat 14, a fine positioning 21, a limit pull rod 26, a tightening block 27, a first slide block 28 and a second slide block 29, the inclined top 12 is installed in a movable mold core 11, the inclined top connecting rod 13 is installed on a movable mold core 11, the inclined top seat 14 is installed on the ejector pin plate, the fine positioning 21 is installed at the parting position of the movable mold plate 4 and a fixed mold plate 3, the limit pull rod 26 is arranged on the panel 1, the tightening block 27 is arranged on the panel 1 through screws, and the first slide block 28 and the second slide block 29 are arranged on one side of the movable template 4.

The mould adopts 1 mould and 2 holes, and glue is poured into a thin water gap.

During actual work, the working process of the die mechanism is divided into the following steps:

1) closing the mold, performing injection molding by using an injection molding machine after the mold is closed, and preparing to open the mold after pressure maintaining and cooling after the injection molding is finished;

2) and P1 is opened, the movable die of the injection molding machine drives the movable die of the die to retreat, when the movable die retreats, the die is firstly opened at the position of a P1 surface, the runner waste and the plastic part in the die cavity are torn and separated at a point gate, and meanwhile, the tightening block 27 of the front die slide block core pulling mechanism drives the first slide block 28 in the inverted and fixed die plate 3 to start core pulling.

3) P2 is opened, the movable mould moves backwards continuously, the runner plate 2 is pulled out downwards, the runner waste material automatically falls off from the mould, and in the process, the first slide block 28 completes the core-pulling action.

4) And P3 is opened, the movable die continues to retreat, and when the die is opened at the position P3, the shovel chicken 23 drives the second slide block 29 to complete core pulling, and the plastic part is left on one side of the movable die.

5) And (3) ejecting the plastic part from the core insert by the ejection mechanism according to the mode, then ejecting the plastic part by 2mm from the upper side of the inclined top 12 by the secondary ejection mechanism on the inclined top 12, loosening the plastic part on the inclined top 12, and taking the plastic part out of the inclined top 12 by the manipulator to realize automatic demolding of the plastic part.

6) Resetting, pulling the forced resetting sleeve by virtue of an ejector rod of the injection molding machine to firstly pull back the ejection mechanism for resetting, then closing and resetting the mold according to the sequence of P3 → P2 → P1, and completely closing the mold for waiting for the next injection molding cycle.

The embodiments described herein are merely exemplary and various modifications, additions and substitutions may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a take secondary ejection mechanism mould which characterized in that: comprises a panel (1), a runner plate (2), a fixed die plate (3), a movable die plate (4), square iron (5), an ejector pin panel (6), an ejector pin bottom plate (7), a bottom plate (8), a squirt nozzle (9), a fixed die core (10), a movable die core (11), an inclined ejector (12), an inclined ejector connecting rod (13), an inclined ejector seat (14), a support column (15), an ejector rod medium insert (16), a middle support sleeve (17), a middle support sleeve (18), a front die insert pin (19), nylon zipper glue (20), a fine positioning (21), a slide (22), a shovel chicken (23), a guide column (24), a step guide sleeve (25), a limiting pull rod (26), a tightening block (27), a first slide block (28) and a second slide block (29), wherein the runner assembly with the secondary ejection mechanism die comprises the runner plate (2) and the squirt nozzle (9), the runner plate (2) is arranged at the bottom of the panel (1), the sprue bushing (9) is fixedly arranged on the panel (1) through screws, the fixed die assembly with the secondary ejection mechanism die comprises the panel (1), a fixed die plate (3), a fixed die core (10), a front die insert pin (19), a slide (22), a guide pillar (24) and a step guide sleeve (25), the panel (1) is a first plate of the die, the fixed die plate (3) is fixed with the panel (1) through screws, the fixed die core (10) is fixed in the fixed die plate (3), the front die insert pin (19) is arranged on the fixed die plate (3), the slide (22) is arranged on the fixed die plate (3), the guide pillar (24) and the step guide sleeve (25) are in a sliding quota sum, the step guide sleeve (25) is arranged in the fixed die plate (3) and a movable die plate (4), and the movable die assembly with the secondary ejection mechanism die comprises a movable die plate (4), square iron (5), a bottom plate (8), The mould opening assembly with the secondary ejection mechanism comprises a thimble panel (6), a thimble bottom plate (7), a thimble medium insert (16), a middle support (17) and a middle support guide sleeve (18), the thimble panel (6) is arranged at the top of the thimble bottom plate (7), the thimble bottom plate (7) is arranged at the top of the bottom plate (8), the thimble medium insert (16) is arranged on the thimble bottom plate (7), the middle support driver (17) and the middle support driver guide sleeve (18) are installed on the ejector plate, the sliding block assembly with the secondary ejection mechanism die comprises an inclined top (12), an inclined top connecting rod (13), an inclined top seat (14), a fine positioning block (21), a limiting pull rod (26), a tightening block (27), a first sliding block (28) and a second sliding block (29), the inclined top (12) is installed in a movable die core (11), the inclined top connecting rod (13) is installed on the movable die core (11), the inclined top seat (14) is installed on the ejector plate, the fine positioning block (21) is installed at the parting position of the movable die plate (4) and a fixed die plate (3), the limiting pull rod (26) is installed on the panel (1), the tightening block (27) is installed on the panel (1) through screws, and the first sliding block (28) and the second sliding block (29) are installed on one side of the movable die plate (4).

2. The mold with the secondary ejection mechanism according to claim 1, characterized in that: the mold with the secondary ejection mechanism adopts 1 mold and 2 holes, and glue is poured into the mold from a thin water gap.