CN209126108U

CN209126108U - A kind of PDCPD mould structure

Info

Publication number: CN209126108U
Application number: CN201822016323.6U
Authority: CN
Inventors: 孙如良
Original assignee: Taizhou Huangyan Shengfa Mould Co Ltd
Current assignee: Taizhou Huangyan Shengfa Mould Co Ltd
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2019-07-19
Anticipated expiration: 2028-12-03

Abstract

The utility model discloses a kind of PDCPD mould structures, it is intended to provide a kind of for the molding mould structure of PDCPD material, it has charging uniform, bubble is not likely to produce in forming process, the characteristics of good forming effect, its key points of the technical solution are that feed inlet design has the upper gate plate and submarine gate plate being superimposed, upper gate plate is equipped with upper funnel, submarine gate plate is equipped with lower funnel, the superposed surfaces of submarine gate plate are equipped with the first a cast runner and the second a cast runner, the superposed surfaces of upper gate plate are equipped with third a cast runner and the 4th a cast runner, the head end of first a cast runner is connected to lower funnel, the head end of third a cast runner is connected to upper funnel, it is connected between the head end of first a cast runner and the head end of the second a cast runner by third a cast runner, the tail end of first a cast runner and the tail end of the second a cast runner it Between be connected to by the 4th a cast runner, and the tail end of the second a cast runner is connected to inner flow passage, and the utility model is suitable for technical field of mold.

Description

A kind of PDCPD mould structure

Technical field

The utility model belongs to technical field of mold, refers in particular to a kind of PDCPD mould structure.

Background technique

Polydicyclopentadiene, that is, PDCPD, is commonly used to fabricate auto parts and components, such as bumper, buffer board, instrument board, gear Mud plate etc., injection molding is more demanding, and using existing common die dicyclopentadiene material is formed when, have Following disadvantage: each component mixing is not uniform enough in polydicyclopentadiene raw material in forming process；And bubble, shadow are also easy to produce when forming Ring molding effect；Furthermore A grades of curved surface forming smoothness are also not ideal enough in automobile component.

Utility model content

The purpose of the utility model is to provide one kind to be used for the molding mould structure of PDCPD material, uniform with charging, The characteristics of bubble, good forming effect are not likely to produce in forming process.

Purpose of the utility model is realized as follows: a kind of PDCPD mould structure, including upper die and lower die and feed inlet, Molding chamber is equipped between upper die and lower die, lower die is equipped with inner flow passage, forms and connects between chamber and feed inlet by inner flow passage It is logical, it is characterised in that: the feed inlet includes the upper gate plate and submarine gate plate being superimposed, and upper gate plate is installed in upper mold, Submarine gate plate is installed in lower die, and upper gate plate is equipped with upper funnel, and submarine gate plate is equipped with lower funnel, the overlapping of submarine gate plate Face is equipped with the first a cast runner and the second a cast runner, and the superposed surfaces of upper gate plate are equipped with third a cast runner and the 4th and pour Beam road, the head end of the first a cast runner are connected to lower funnel, and the head end of third a cast runner is connected to upper funnel, the first casting It is connected between the head end of runner and the head end of the second a cast runner by third a cast runner, the tail end of the first a cast runner and It is connected between the tail end of two a cast runners by the 4th a cast runner, and the tail end of the second a cast runner is connected to inner flow passage；

The lower die includes die joint, and the seal groove around the setting of die joint edge is additionally provided in lower die, is gone back on die joint Equipped with air discharge duct, air discharge duct and inner flow passage are located at the two sides of die joint.

The utility model is further arranged to: the edge of the die joint and the junction of seal groove are equipped with the area Jian Hou.

The utility model is further arranged to: being equipped with nickel layer on one side with lower die face in the upper mold.

The utility model is further arranged to: the nickel layer with a thickness of 6mm.

The utility model is further arranged to: the molding chamber is two and is symmetrical arranged.

The utility model is further arranged to: being set on the head end of first a cast runner and the head end of third a cast runner There is overlapping area.

The utility model is further arranged to: first a cast runner, the second a cast runner, third a cast runner and Four a cast runners are in curved road type structure.

It is had the following advantages that by using above-mentioned technical proposal, by feed inlet design and runner design, so that raw material point It drives material into, and can repeatedly be mixed in fill process, improve the mixing uniformity of raw material；

It is designed by the structure of die joint and air discharge duct, the excessive gas in forming process can be excluded, reduced bubble and produce It is raw.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model entirety；

Fig. 2 is the structural schematic diagram of the utility model lower die；

Fig. 3 is the structural schematic diagram of the utility model upper mold；

Fig. 4 is the schematic cross-sectional view of the utility model feed inlet；

Appended drawing reference in figure are as follows: 1, upper mold；2, lower die；3, inner flow passage；4, upper gate plate；5, submarine gate plate；6, upper funnel； 7, the first a cast runner；8, the second a cast runner；9, third a cast runner；10, the 4th a cast runner；11, die joint；12, close Sealing groove；13, air discharge duct；14, nickel layer；15, area is overlapped.

Specific embodiment

The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-4:

A kind of PDCPD mould structure, including upper mold 1, lower die 2 and feed inlet are equipped with forming cavity between upper mold 1 and lower die 2 Room, lower die 2 are equipped with inner flow passage 3, form and are connected between chamber and feed inlet by inner flow passage 3, it is characterised in that: the charging Mouth includes the upper gate plate 4 and submarine gate plate 5 being superimposed, and upper gate plate 4 is installed in upper mold 1, and submarine gate plate 5 is installed on lower die On 2, upper gate plate 4 is equipped with upper funnel 6, and submarine gate plate 5 is equipped with lower funnel, and the superposed surfaces of submarine gate plate 5 are equipped with first The superposed surfaces of a cast runner 7 and the second a cast runner 8, upper gate plate 4 are equipped with third a cast runner 9 and the 4th a cast runner 10, the head end of the first a cast runner 7 is connected to lower funnel, and the head end of third a cast runner 9 is connected to upper funnel 6, the first casting It is connected between the head end of runner 7 and the head end of the second a cast runner 8 by third a cast runner 9, the tail end of the first a cast runner 7 It is connected between the tail end of the second a cast runner 8 by the 4th a cast runner 10, and the tail end and inner flow passage of the second a cast runner 8 3 connections.

Head end and tail end are the flow directions of relatively above-mentioned a cast runner and determine, i.e., above-mentioned a cast runner in above-mentioned statement Flow direction be that tail end is flowed to by head end；Feed inlet is located at the side of mold, and when charging, raw material is respectively by upper 6 He of funnel Lower funnel injection, raw material can be mixed in the head end of the first a cast runner 7 and the head end of third a cast runner 9, and part is former later Material flows to the head end of the second a cast runner 8 along third a cast runner 9, and another part raw material flows to second along the 4th a cast runner 10 The tail end of a cast runner 8, and raw material secondary mixing in the second a cast runner 8 improve the uniformity of feedstock, improve product Final mass.

The lower die 2 includes die joint 11, and the seal groove 12 around the setting of 11 edge of die joint is additionally provided in lower die 2, point Be additionally provided with air discharge duct 13 on type face 11, air discharge duct 13 and inner flow passage 3 are located at the two sides of die joint 11, i.e., air discharge duct 13 with it is interior Runner 3 is located at the two sides of molding chamber, and in injection process, excessive gas can be discharged into air discharge duct 13, thus reduce product at The generation of bubble in type overshoot.

The edge of the die joint 11 and the junction of seal groove 12 are equipped with the area Jian Hou, i.e., subtract in the edge of die joint 11 Few certain thickness in figure and is not drawn into since the thickness of reduction is few；After molding, between will form on the edge of die joint 11 Excessive gas will can be further discharged in gap, reduce the generation of bubble during formed product, and the maximum in the preferred area Jian Hou subtracts Few thickness control, if undesirable lower than 0.2mm exhaust effect, if being higher than 0.3mm, is easy to cause raw material between 0.2-0.3mm It overflows, influences molding effect.

It is equipped with nickel layer 14 with the one side of 2 face of lower die in the upper mold 1, nickel layer 14 takes shape in mold table by electroforming process Face when forming, has surface not sticking to mould, the thermally conductive uniform, face product A light so that the molding chamber face in upper mold 1 is nickel layer 14 The advantage that slippery is good, service life more general mold is high, the optimal thickness of nickel layer 14 is 6mm.

The molding chamber is two and is symmetrical arranged, and is convenient for while forming two products.

The head end of first a cast runner 7 and the head end of third a cast runner 9 are equipped with overlapping area 15, and overlapping area 15 uses In increasing the overlapping area between the first a cast runner 7 and the second a cast runner 8, so that raw material enters upper funnel 6 and lower funnel After can sufficiently merge, improve charging uniformity.

First a cast runner 7, the second a cast runner 8, third a cast runner 9 and the 4th a cast runner 10 are in bend Type structure improves mixing uniformity so that raw material can generate disturbance in flow process.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model Within the scope of.

Claims

1. a kind of PDCPD mould structure, including upper mold (1), lower die (2) and feed inlet, are equipped between upper mold (1) and lower die (2) Chamber is formed, lower die (2) is equipped with inner flow passage (3), and it forms and is connected between chamber and feed inlet by inner flow passage (3), feature Be: the feed inlet includes the upper gate plate (4) and submarine gate plate (5) being superimposed, and upper gate plate (4) is installed on upper mold (1) On, submarine gate plate (5) is installed on lower die (2), and upper gate plate (4) is equipped with upper funnel (6), and submarine gate plate (5) is equipped with down The superposed surfaces of funnel, submarine gate plate (5) are equipped with the first a cast runner (7) and the second a cast runner (8), upper gate plate (4) Superposed surfaces are equipped with third a cast runner (9) and the 4th a cast runner (10), and the head end of the first a cast runner (7) and lower funnel connect Logical, the head end of third a cast runner (9) is connected to upper funnel (6), the head end and the second a cast runner of the first a cast runner (7) (8) it is connected between head end by third a cast runner (9), the tail end of the first a cast runner (7) and the second a cast runner (8) It is connected between tail end by the 4th a cast runner (10), and the tail end of the second a cast runner (8) is connected to inner flow passage (3)；

The lower die (2) includes die joint (11), and the seal groove around the setting of die joint (11) edge is additionally provided in lower die (2) (12), it is additionally provided with air discharge duct (13) on die joint (11), air discharge duct (13) and inner flow passage (3) are located at the two of die joint (11) Side.

2. a kind of PDCPD mould structure according to claim 1, it is characterised in that: the edge of the die joint (11) with The junction of seal groove (12) is equipped with the area Jian Hou.

3. a kind of PDCPD mould structure according to claim 1, it is characterised in that: on the upper mold (1) with lower die (2) The one side of face is equipped with nickel layer (14).

4. a kind of PDCPD mould structure according to claim 3, it is characterised in that: the nickel layer (14) with a thickness of 6mm。

5. a kind of PDCPD mould structure according to claim 1, it is characterised in that: the molding chamber is for two and right Claim setting.

6. a kind of PDCPD mould structure according to claim 1, it is characterised in that: the head of first a cast runner (7) The head end at end and third a cast runner (9) is equipped with overlapping area (15).

7. a kind of PDCPD mould structure according to claim 1, it is characterised in that: first a cast runner (7), Two a cast runners (8), third a cast runner (9) and the 4th a cast runner (10) are in curved road type structure.