CN217993310U - High-deep-cavity-area-sealed ridge part die capable of exhausting air by using air pump - Google Patents

Abstract

The utility model discloses a high deep cavity area that utilizes aspiration pump to bleed seals bank spare mould, including cover half bedplate, fixed mould board, movable mould board and movable mould bedplate, fixed ring is installed to the last fixed ring of movable mould board, installs the terrace die on the fixed ring, and one side of terrace die is inlayed and is had the terrace die mold insert, and it has plastics bank spare still to joint between terrace die and the terrace die mold insert, fixed mounting has the die on the fixed mould board, and it has the runner mold insert to inlay in the die, and open on the movable mould board has the air exhaust passageway, and air exhaust passageway one end is equipped with the aspiration pump; the utility model discloses a setting of aspiration pump and bleed passage for the device can be at the in-process of moulding plastics, takes the die cavity gas out through the aspiration pump, accomplishes complete once moulding plastics, improves the product percent of pass. The requirement of the injection molding process is reduced.

Description

High-deep-cavity-area-sealed ridge part die capable of exhausting air by using air pump

Technical Field

The utility model particularly relates to a pouring technical field especially relates to an utilize high deep cavity area that aspiration pump bled to seal bank spare mould.

Background

The main difficulty of the high-depth cavity product (plastic part) with the closed ridge part is always the tail end exhaust problem. For products with high-depth cavities and closed ridges, corresponding improvement actions are generally carried out on the die according to die flow results or feedback after T1 die test. Generally, downward venting is increased at the junction of the plastic filling end and the sill (a limitation of closed sill molds). Because of being in the high temperature state in the mould production process always, closed bank spare is mostly moulded the piece and is being stopped up the air discharge duct easily under receiving high temperature high pressure. Meanwhile, the exhaust gas generated by the high temperature of the plastic contains dust particles, non-methane total hydrocarbons and other substances which are easy to block the exhaust groove.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the exhaust difficulty that exists among the prior art, the shortcoming of being plugged up by impurity easily, and the high deep cavity area that utilizes the aspiration pump to bleed of proposition seals bank spare mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an utilize high deep cavity area that aspiration pump bled to seal bank spare mould, includes cover half bedplate, fixed die plate, movable mould board and movable mould bedplate, fixed mounting has solid fixed ring on the movable mould board, installs the terrace die on the solid fixed ring, and one side of terrace die is inlayed and is had the terrace die mold insert, and it has plastics bank spare still to joint between terrace die and the terrace die mold insert, fixed mounting has the die on the fixed die plate, and it has the runner mold insert to inlay in the die, and it has the pump-out passage to open on the movable mould board, and pump-out passage one end is equipped with the aspiration pump.

Furthermore, sealing rings are arranged at the joints of the air exhaust channel, the convex die insert and the plastic ridge piece.

Furthermore, a thimble bottom plate is fixed at the top end of the movable mold base plate, and a thimble panel is fixed on the thimble bottom plate.

Furthermore, the ejector pin panel is provided with a reset rod, a reset spring and an ejector pin, the movable mould plate and the fixed ring are respectively provided with an ejector pin hole, and the ejector pin can form sliding fit with the ejector pin hole.

Further, the bottom end of the fixed die base plate is provided with a stripper plate, and the fixed die base plate is fixed with a sprue bush.

Furthermore, the bottom end of the stripper plate is fixed with a fixed template, and a runner insert is fixed in the fixed template.

Furthermore, the male die and the female die are in fit butt joint, and a cavity and a feed inlet are reserved in the male die and the female die.

The beneficial effects of the utility model are that:

1. through the setting of aspiration pump and bleed passage for the device can be at the in-process of moulding plastics, takes out the die cavity gas through the aspiration pump, accomplishes complete once moulding plastics, improves the product percent of pass. And the requirement of the injection molding process is reduced.

2. Through the arrangement of the air exhaust channel, the male die insert, the plastic ridge part and the sealing ring, the waste gas substances generated by injection molding have enough discharge space, and the long-term stable state can be realized.

3. The ejector pin panel is provided with the reset spring and the ejector pin, so that the plastic part can be ejected out through the ejector pin to ensure the smoothness of the exhaust channel.

Drawings

FIG. 1 is a schematic structural view before injection molding according to the present invention;

FIG. 2 is a schematic structural view of the injection molded product of the present invention;

fig. 3 is a schematic structural view of a position a provided by the present invention;

fig. 4 is the utility model provides an injection molding structure schematic diagram.

In the figure: 1. a fixed die base plate; 2. a material removing plate; 3. fixing a template; 4. a female die; 5. an injection molded part; 6. a male die insert; 7. a male die; 8. moving the template; 9. a thimble panel; 10. a thimble base plate; 11. a movable mould seat plate; 12. a runner insert; 13. a sprue bush; 14. pouring a material; 15. a fixing ring; 16. a seal ring; 17. an air pump; 18. a thimble; 19. a plastic ridge member; 20. an air extraction channel; f1, mold clamping force; t1, connecting a gap I; t2 and a second connecting gap.

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.

Referring to fig. 1-4, a high-depth cavity die with a closed threshold using an air pump to pump air comprises a fixed die base plate 1, a fixed die plate 3, a movable die plate 8 and a movable die base plate 11, wherein a fixed ring 15 is fixedly installed on the movable die plate 8 through bolts, a male die 7 is installed on the fixed ring 15, a male die insert 6 is embedded on one side of the male die 7, the fixed ring 15, the male die 7 and the male die insert 6 are all part of a main body of a product forming cavity, a plastic threshold 19 is further clamped between the male die 7 and the male die insert 6, a female die 4 is fixedly installed on the fixed die plate 3 through bolts, a channel is formed in the female die 4, a runner insert 12 is embedded in the channel, the fixed ring 15 and the female die 4 are in fit and butt joint, the male die 7 and the female die 4 are provided with a cavity and a feed port, the movable die plate 8 is provided with an air pumping channel 20, a sealing ring 16 is arranged at the joint of the air pumping channel 20, the male die insert 6 and the plastic threshold 19, and an air pipe is inserted at one end of the air pumping channel 20, and one end of the air pipe is connected with a pump 17, and the air pump 17 works to pump away the air.

The utility model discloses in, movable mould bedplate 11 passes through the bolt fastening on the board of moulding plastics, and 11 tops of movable mould bedplate have thimble bottom plate 10 through the bolt fastening, and the top of thimble bottom plate 10 has thimble panel 9 through the bolt fastening, is equipped with release link, reset spring and thimble 18 on the thimble panel 9, and reset spring installs between movable mould board 8 and thimble panel 9, and reset spring passes through the release link to be fixed, all is equipped with the thimble hole on movable mould board 8 and the solid fixed ring 15, and thimble 18 can form sliding fit with the thimble hole.

The bottom of the fixed die base plate 1 is provided with a stripper plate 2 through a climbing bolt, a sprue gate is arranged in the stripper plate 2, a sprue bushing 13 is fixed in the fixed die base plate 1 and communicated with the sprue bushing 13, the bottom of the stripper plate 2 is fixed with a fixed die plate 3 through the climbing bolt, a pouring pipeline is arranged on the fixed die plate 3, a runner insert 12 is fixed in the fixed die plate 3, and the pouring pipeline is communicated with the runner insert 12.

The working principle of the embodiment is as follows: when the injection molding machine is used, after the butt joint of the mold is completed, the pouring material 14 is poured from the sprue bush 13, the pouring material 14 flows into the runner insert 12 through a pouring pipeline on the fixed mold plate 3, and finally enters the cavity from a feeding hole at the butt joint of the male mold 7 and the female mold 4, at the moment, as shown in fig. 3, poor air exhaust is easily generated at the tail end position of plastic filling, the male mold 7 and the male mold insert 6 are in clearance fit with T1 and T2, and the plastic ridge 19 is extruded to the clearance of T1 and T2 under the mold closing force F1 and high temperature, so that in the injection molding process, the air in the cavity is pumped out by the air pump 17, complete one-time injection molding is completed, and the smoothness of an air exhaust channel can be ensured after the plastic piece is ejected by the ejector pin 18.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides an utilize high deep cavity area of aspiration pump bleed to seal bank spare mould, includes cover half bedplate (1), fixed die plate (3), movable mould board (8) and movable mould bedplate (11), its characterized in that, fixed mounting has solid fixed ring (15) on movable mould board (8), installs terrace die (7) on solid fixed ring (15), and one side of terrace die (7) is inlayed and is had terrace die mold insert (6), and it has plastics bank spare (19) to go back the joint between terrace die (7) and terrace die mold insert (6), fixed mounting has die (4) on fixed die plate (3), and the embedded runner mold insert (12) that has of die (4), and it has aspiration channel (20) to open on movable mould board (8), and aspiration channel (20) one end is equipped with aspiration pump (17).

2. The mold according to claim 1, wherein the mold comprises a closed ridge member and a high deep cavity belt, the closed ridge member being evacuated by an air pump, wherein: and a sealing ring (16) is arranged at the joint of the air exhaust channel (20) and the male die (7), the male die insert (6) and the plastic ridge (19).

3. The high deep cavity belt closed sill mold for pumping air by using the air pump as claimed in claim 1, wherein: and the top end of the movable mold base plate (11) is fixed with an ejector pin base plate (10), and the ejector pin base plate (10) is fixed with an ejector pin panel (9).

4. The mold according to claim 3, wherein the mold comprises a closed ridge member and a high deep cavity belt, the closed ridge member being evacuated by an air pump, wherein: be equipped with release link, reset spring and thimble (18) on thimble panel (9), all be equipped with the thimble hole on movable mould board (8) and solid fixed ring (15), thimble (18) can form sliding fit with the thimble hole.

5. The mold according to claim 1, wherein the mold comprises a closed ridge member and a high deep cavity belt, the closed ridge member being evacuated by an air pump, wherein: the bottom end of the fixed die base plate (1) is provided with a stripper plate (2), and a sprue bush (13) is fixed in the fixed die base plate (1).

6. The mold according to claim 5, wherein the mold comprises a closed ridge member and a high deep cavity belt, the closed ridge member being evacuated by an air pump, wherein: the bottom end of the stripper plate (2) is fixed with the fixed template (3), and a runner insert (12) is fixed in the fixed template (3).

7. The mold according to claim 1, wherein the mold comprises a closed ridge member and a high deep cavity belt, the closed ridge member being evacuated by an air pump, wherein: the male die (7) is in fit butt joint with the female die (4), and a cavity and a feed inlet are reserved on the male die (7) and the female die (4).

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