CN204432560U - Rear pillar upper decoration plate and mould thereof - Google Patents
Rear pillar upper decoration plate and mould thereof Download PDFInfo
- Publication number
- CN204432560U CN204432560U CN201420768303.3U CN201420768303U CN204432560U CN 204432560 U CN204432560 U CN 204432560U CN 201420768303 U CN201420768303 U CN 201420768303U CN 204432560 U CN204432560 U CN 204432560U
- Authority
- CN
- China
- Prior art keywords
- deep
- hole structures
- hole
- rear pillar
- upper decoration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses rear pillar upper decoration plate, which is provided with deep-hole structures, deep-hole structures comprises hole sidewall, and the hole sidewall of described relative both sides is provided with the structure stoping stream passing hole sidewall.Disclose the mould of rear pillar upper decoration plate, comprise deep-hole structures die cavity, the sidewall both sides of deep-hole structures die cavity arrange a restricted orifice for the formation of restricted orifice respectively and form block.The utility model solves gas line and other apparent defect of the product surface near deep-hole structures, obtains the product that outward appearance is good, and has successfully proceeded to batch manufacturing.And die improvement part-structure is simple, realize easily, only increasing little cost.
Description
Technical field
The utility model relates to automotive rear pillar upper decoration plate and mould thereof.
Background technology
Along with customer is to automobile appearance, the increasing of functional requirement, the effect born needed for automotive upholstery gets more and more, especially in the trim plastic parts that rear pillar decorative plate etc. is larger, not only to meet the decoration function of itself, may also need to provide the effects such as location and support for other products, therefore structure becomes complicated, has occurred the structure of many deep holes; The effect of usual deep-hole structures mainly comprises: the screw hole needed for interior trimming parts location itself; Decoration component is as structures such as handle box, ash receptacle, saucers; And the knock hole etc. needed for other products.In order to meet its function, these structures often area are little, and the degree of depth is dark.Usually when deep-hole structures injection moulding, owing to that it changes the direction of stream, stream is made to define encirclement, cause gas coated and produce gas line, the defects such as weld bond bulge, in less moulding, can by improving into glue direction, adjustment injection speed solves above defect, but for large-scale injection molding, because its cast gate is many, area is large, the defect kind that during injection mo(u)lding, itself exists is more, be subject to cast gate size simultaneously, position, the impact of the factors such as direction, tuning parameter institute is restricted more, so when there is deep-hole structures in large-scale interior trimming parts, debug the process that the large-scale interior trimming parts comprising deep-hole structures is a complexity and difficulty.
Such as, as depicted in figs. 1 and 2 a kind of rear pillar upper decoration plate 1 of automobile and its upper left corner, back side deep-hole structures 2.This rear pillar upper decoration plate 1 is large thin-wall framing member.This deep-hole structures 2 is hollow circular cone structure substantially, and root is connected with rear pillar upper decoration plate 1, and top center has screw pilot hole 21, and top has four An Zhuan Luo Ding loopholes 22 uniformly, and root both sides have a column decorative cover hook hole 23.
Shown in figure 8, the rear pillar upper decoration plate 1 upper end width 700mm of automobile, lower end 720mm, high 400mm, expect thick 2.5mm.
As shown in Figure 2, the wide about 6.70mm of An Zhuan Luo Ding loophole 22, height is 10.90mm about.Deep-hole structures 2 top end face is run through on top, conveniently stripped.Column decorative cover hook hole 23 and An Zhuan Luo Ding loophole 22 are with wide, and deep-hole structures 2 root is run through in lower end, upper edge to lower edge distance about 5.00mm.An Zhuan Luo Ding loophole 22 lower edge to column decorative cover hook hole 23 upper edge distance about 14.00mm.
Shown in figure 1, Fig. 8, the mould gate of this rear pillar upper decoration plate 1 has three mouthfuls, is evenly distributed in the lower edge of this rear pillar upper decoration plate 1, from the back side, is respectively cast gate three J3, cast gate two J2 and cast gate one J1 from left to right.The distance of cast gate three J3 and deep-hole structures 2 has 420mm, and other cast gates are apart from farther.During the injection moulding of rear pillar upper decoration plate, according to cast gate one J1, cast gate two J2, cast gate three J3, order open ended sequential valve carry out injection moulding, because 1. number and 3. number cast gate distance product far-end is all comparatively far away, injection pressure makes injection pressure very large: pressure 120MPa, speed 40%, melt temperature 220 DEG C.
Find through die trial, occur the gas line defect caused by tired gas at the rear pillar upper decoration plate 1 of the upside of deep-hole structures 2.Because on rear pillar, cast gate is less, by usually solving the adjustment method of tired gas, improving the methods such as injection pressure, injection speed, melt temperature, all cannot solve tired gas phenomenon.
As shown in Figure 3, find after increasing mold flow analysis, in the filling process, first stream fills via two paths of the deep-hole structures 2 root both sides on surface---and stream respectively flows through deep-hole structures 2 root both sides, forms stream 1., 2.; Then meet at circled, and 3. the stream of sub-fraction material formation simultaneously flows through from deep hole, arrive after slightly postponing, now gas is trapped in circled positions, along with 4. material flow arrows moves in direction, gas is rushed at surface, causes apparent defect.And the exhaust structure position of deep-hole structures dynamic model 3---at deep-hole structures 2 top, the namely bottom of deep-hole structures die cavity 31---compare tired gas position, be in and fill the rear in direction, therefore to gas line without obvious improvement result.
Note: in mould, bottom deep-hole structures die cavity 31 down---towards the earth, but 3. stream is also just arrive tired gas position after slightly postponing.
With reference to figure 7, the mould of the deep-hole structures 2 before improvement, this mould comprises deep-hole structures dynamic model 3,---top of corresponding deep-hole structures 2---is provided with aforementioned exhaust structure deep-hole structures dynamic model 3 to be provided with the deep-hole structures die cavity 31 for the formation of deep-hole structures 2, in the bottom of deep-hole structures die cavity 31.
Utility model content
The purpose of this utility model is to provide rear pillar upper decoration plate and mould thereof, to solve tradition (before improvement) rear pillar upper decoration plate and mould thereof in the adjustment method by usually solving tired gas, improve the methods such as injection pressure, injection speed, melt temperature, all the product surface that cannot solve near deep-hole structures is stranded gas phenomenon, causes the problem of gas line and other apparent defects.
For reaching above-mentioned utility model object, the utility model provides rear pillar upper decoration plate, is provided with deep-hole structures, and described deep-hole structures comprises hole sidewall, and the hole sidewall of described relative both sides is provided with the structure stoping stream passing hole sidewall.
The hole sidewall of described relative both sides is respectively equipped with and stops the structure of stream passing hole sidewall to be the restricted orifice of two hole sidewalls through in deep-hole structures short transverse.
Described two restricted orifice are separately positioned on the both sides in stream direction.
The utility model additionally provides the mould of above-mentioned rear pillar upper decoration plate, comprise dynamic model, described dynamic model comprises the deep-hole structures dynamic model for the formation of deep-hole structures, deep-hole structures dynamic model is provided with the deep-hole structures die cavity for the formation of deep-hole structures, the bottom of deep-hole structures die cavity is provided with exhaust gear, and the sidewall both sides of described deep-hole structures die cavity arrange a restricted orifice for the formation of restricted orifice respectively and form block.
Two described restricted orifice form the both sides that block is separately positioned on stream direction.
The sidewall of deep-hole structures die cavity is provided with multiple exhaust mold insert.
Described exhaust mold insert is arranged on the sidewall of the corresponding side of stream whereabouts of deep-hole structures die cavity.
Described deep-hole structures cavity bottom down.
Described dynamic model is provided with three cast gates uniformly at rear pillar upper decoration plate lower edge correspondence position, is respectively cast gate three, cast gate two and cast gate one from left to right.
In sum, rear pillar upper decoration plate provided by the utility model and mould thereof solve gas line and other apparent defect of the product surface near deep-hole structures, obtain the product that outward appearance is good, make Customer Satisfaction, and successfully proceeded to batch manufacturing.And die improvement part-structure is simple, realize easily, only increasing little cost.
Accompanying drawing explanation
The structural representation of the rear pillar upper decoration plate 1 of Fig. 1, automobile;
The structural representation of Fig. 2, (before improvement) deep-hole structures 2;
The stream of Fig. 3, (before improvement) deep-hole structures 2 converges diagram, tired gas reason and tired gas position diagram;
The structural representation of Fig. 4, (after improving) deep-hole structures 2;
The stream of Fig. 5, (after improving) deep-hole structures 2 converges diagram and exhaust position diagram;
The structural representation of the rear pillar upper decoration plate 1 of Fig. 6, (after improving) automobile;
The structural representation of Fig. 7, (after improving) deep-hole structures dynamic model 3;
The rear pillar upper decoration plate 1 stream direction diagram of Fig. 8, (after improving) automobile;
The structural representation of the dynamic model 4 of the rear pillar upper decoration plate 1 of Fig. 9, (after improving) automobile, the product die cavity of mould is symmetrically arranged with two, is clear display, omits one below.
Wherein, rear pillar upper decoration plate (1), safety belt outlet (11),
Deep-hole structures (2), screw pilot hole (21), An Zhuan Luo Ding loophole (22), column decorative cover hook hole (23), restricted orifice (24),
Cast gate one (J1), cast gate two (J2), cast gate three (J3),
Deep-hole structures dynamic model (3), deep-hole structures die cavity (31), exhaust mold insert (33), restricted orifice form block (34)
(rear pillar upper decoration plate 1) dynamic model (4), dynamic model push rod (31).
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
As shown in Figure 4, this rear pillar upper decoration plate 1 improves deep-hole structures 2, cleverly original two column decorative cover hook holes 23 are communicated with respectively at two An Zhuan Luo Ding loopholes 22 that respective position is corresponding, thus define the restricted orifice 24 3. flow through from deep hole for blocking stream.
As shown in Figure 5, deep-hole structures 2 after improvement changes the fill order of material, make 1., 2. two stock materials converge in advance, then flow downward---forming stream 3., 4.---converges in the bottom of deep-hole structures die cavity 31, the exhaust position of deep-hole structures dynamic model 3 just, solves tired gas defect herein.Die trial checking after changing mould, product appearance is good, obtains client's accreditation.
Note: in mould, the top of deep-hole structures 2 down.
As long as the hole sidewall of restricted orifice 24 through deep-hole structures 2 in deep-hole structures 2 short transverse just can very effectively play a role, not by the width of restricted orifice 24 itself, the height of deep-hole structures 2, diameter, wall thickness, material flow, pressure influence.
But on mould and Shooting Technique it is significant to note that:
1, two restricted orifice 24 are generally arranged in the relative both sides of deep-hole structures 2, can near symmetrical or symmetric position;
2, two restricted orifice 24 can not be arranged in towards the side of stream, avoid stream 3. to walk around restricted orifice 24 and 1., 2. converge with stream in advance and cause tired gas;
What 3, two restricted orifice 24 were general is the both sides being arranged in stream direction, and namely the line of two restricted orifice 24 is preferably vertical with stream direction, can provide flexible design degree like this on the basis of guarantee deep-hole structures 2 intensity.
As shown in Figure 7, the dynamic model 4 of rear pillar upper decoration plate 1 has the deep-hole structures dynamic model 3 of injection moulding deep-hole structures 2.This deep-hole structures dynamic model 3 comprises deep-hole structures die cavity 31.
Near the deep-hole structures dynamic model 3 of dynamic model 4, be provided with dynamic model push rod 41, for ejecting product, be not deep-hole structures customized design.
Deep-hole structures die cavity 31 is comparatively revised in prototype chamber, by for the formation of the An Zhuan Luo Ding loophole 22 of two correspondence positions and the structural modification of column decorative cover hook hole 23 in order to two restricted orifice for the formation of restricted orifice 24 form blocks 34.And, except retaining the exhaust structure of original deep-hole structures 2 top vent, the sidewall corresponding with stream whereabouts of deep-hole structures die cavity 31 adds multiple exhaust mold insert 33---be three in the present embodiment, even if stream improves not exclusively eliminate tired gas, also the tired gas on deep-hole structures 2 sidewall can be made to be discharged smoothly by this exhaust mold insert 33, thoroughly solve tired gas defect.
As long as restricted orifice 24 through deep-hole structures 2 in deep-hole structures 2 short transverse just can very effectively play a role, not by the width of restricted orifice 24 itself, the height of deep-hole structures 2, diameter, wall thickness, material flow, pressure influence.
Meanwhile, the position of restricted orifice 24 needs to meet following requirement:
1, two restricted orifice 24 are generally arranged in the relative both sides of deep-hole structures 2, can near symmetrical or symmetric position;
2, two restricted orifice 24 can not be arranged in towards the side of stream, avoid stream 3. to walk around restricted orifice 24 1., 2. to converge with stream in advance and cause tired gas, therefore the stream direction will considered in Shooting Technique is needed, or adjust stream direction when needed, can not adjust to as the position of two restricted orifice 24 in mould and need position, just need by stream direction such as adjustment such as adjustment gate location, stream speed etc.;
What 3, two restricted orifice 24 were general is the both sides being arranged in stream direction, and namely the line of two restricted orifice 24 is preferably vertical with stream direction, can provide flexible design degree like this on the basis of guarantee deep-hole structures 2 intensity.
According to the above requirement about restricted orifice 24 position, accordingly, on mould and Shooting Technique also it is to be noted that
One, about mould:
1, restricted orifice forms the quantity of block 34, position, shape, structure and size and determines according to the quantity of the restricted orifice 24 of deep-hole structures 2, position, shape, structure and size;
2, be vented mold insert 33 preferably position with stream whereabouts---with come on the contrary---on the sidewall of the deep-hole structures die cavity 31 of corresponding side.
3, bottom deep-hole structures die cavity 31 down
Two, about Shooting Technique:
1, generally tired gas defect is avoided by adjustment restricted orifice 24 position, but can not adjust to as the position of two restricted orifice 24 in mould and need position, just need by stream direction such as adjustment such as adjustment gate location, stream speed etc., avoid restricted orifice formed block 34 arbitrary one towards stream come to.
With reference to figure 8,9, during the injection moulding of rear pillar upper decoration plate, carry out injection moulding according to the order open ended sequential valve of cast gate one J1, cast gate two J2, cast gate three J3.Stream spreads around cast gate three J3 injection is backward, and flows to deep-hole structures dynamic model 3 by the passage that safety belt outlet 11 is other.Therefore, when arranging restricted orifice and forming block 34, be arranged on when just two restricted orifice should be formed block 34 with stream export 11 other passages from safety belt to both sides; That is, two restricted orifice formed blocks 34 line should as far as possible with the coming to vertical of this stream.
In the present embodiment:
1, rear pillar upper decoration plate 1 leading dimensions after improving is constant.
2, deep-hole structures 2 wall thickness 2.5mm, height is 28.89mm about.。The size constancy of two An Zhuan Luo Ding loopholes 22.Restricted orifice 24 width with mounting screw loophole 22, highly with deep-hole structures 2 height or be slightly less than its height---deduct its top and expect thick 2.5mm, do not run through its top.
The Shooting Technique of the rear pillar upper decoration plate 1 after 3, improving is in table 1:
The Shooting Technique of the rear pillar upper decoration plate 1 after table 1, improvement
Can reasonable inferences be, " structure of the prevention stream passing hole sidewall that the hole sidewall of relative both sides is provided with " in the utility model, not only be suitable for the circular port described in embodiment, be applicable to the hole of other shapes too, as square, triangle, ellipse, other polygons or fitfull hole.The width of restricted orifice 24 does not affect its resistance flowing effect, only has height or is that the ratio regular meeting of hole Sidewall Height shared by its height affects resistance flowing effect more precisely.Restricted orifice 24 should extend to the end to deep-hole structures 2 root, can not run through top to top.
------------die sinking---ejects that---glue is melted in pickup---matched moulds---to injection to injection moulding process: melt glue in cooling in pressurize
Note:
1, because the sidewall of the deep-hole structures 2 in the utility model makes deep-hole structures 2 form opening structure because of two restricted orifice 24, therefore called after " side wall open moldeed depth pore structure ".
2, the material of rear pillar upper decoration plate 1 is the PP+EPDM+TD20API-2515 of Guangzhou Jinfa Science & Technology Co. Ltd.
Claims (9)
1. rear pillar upper decoration plate, is provided with deep-hole structures (2), and described deep-hole structures (2) comprises hole sidewall, it is characterized in that: the hole sidewall of described relative both sides is provided with the structure stoping stream passing hole sidewall.
2. rear pillar upper decoration plate as claimed in claim 1, is characterized in that: the hole sidewall of described relative both sides is respectively equipped with and stops the structure of stream passing hole sidewall to be the restricted orifice (24) of two hole sidewalls through in deep-hole structures (2) short transverse.
3. rear pillar upper decoration plate as claimed in claim 2, is characterized in that: described two restricted orifice (24) are separately positioned on the both sides in stream direction.
4. the mould of a rear pillar upper decoration plate, comprise manufacture as arbitrary in claims 1 to 3 as described in the dynamic model (4) of rear pillar upper decoration plate, described dynamic model (4) comprises the deep-hole structures dynamic model (3) for the formation of deep-hole structures (2), deep-hole structures dynamic model (3) is provided with the deep-hole structures die cavity (31) for the formation of deep-hole structures (2), the bottom of deep-hole structures die cavity (31) is provided with exhaust gear, it is characterized in that: the sidewall both sides of described deep-hole structures die cavity (31) arrange a restricted orifice for the formation of restricted orifice (24) respectively and form block (34).
5. the mould of rear pillar upper decoration plate as claimed in claim 4, is characterized in that: two described restricted orifice form the both sides that block (34) is separately positioned on stream direction.
6. the mould of the rear pillar upper decoration plate as described in claim 4 or 5, is characterized in that: the sidewall of deep-hole structures die cavity (31) is provided with multiple exhaust mold insert (33).
7. the mould of rear pillar upper decoration plate as claimed in claim 6, is characterized in that: described exhaust mold insert (33) is arranged on the sidewall of the corresponding side of stream whereabouts of deep-hole structures die cavity (311).
8. the mould of the rear pillar upper decoration plate as described in claim 4 or 5, is characterized in that: described deep-hole structures die cavity (31) bottom down.
9. the mould of the rear pillar upper decoration plate as described in claim 4 or 5, it is characterized in that: described dynamic model (4) is provided with three cast gates uniformly at rear pillar upper decoration plate (1) lower edge correspondence position, be respectively cast gate three (J3), cast gate two (J2) and cast gate one (J1) from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768303.3U CN204432560U (en) | 2014-12-08 | 2014-12-08 | Rear pillar upper decoration plate and mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768303.3U CN204432560U (en) | 2014-12-08 | 2014-12-08 | Rear pillar upper decoration plate and mould thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204432560U true CN204432560U (en) | 2015-07-01 |
Family
ID=53600466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420768303.3U Active CN204432560U (en) | 2014-12-08 | 2014-12-08 | Rear pillar upper decoration plate and mould thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204432560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401267A (en) * | 2014-12-08 | 2015-03-11 | 成都航天模塑股份有限公司 | Back column upper decoration plate and mold and injection molding method thereof |
-
2014
- 2014-12-08 CN CN201420768303.3U patent/CN204432560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401267A (en) * | 2014-12-08 | 2015-03-11 | 成都航天模塑股份有限公司 | Back column upper decoration plate and mold and injection molding method thereof |
| CN104401267B (en) * | 2014-12-08 | 2016-12-07 | 成都航天模塑股份有限公司 | Rear pillar upper decoration plate and mould thereof and injection moulding process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204432560U (en) | Rear pillar upper decoration plate and mould thereof | |
| CN204383348U (en) | Side wall open moldeed depth pore structure and mould thereof | |
| CN104494530A (en) | Sidewall-opened type deep hole structure, mold of structure and injection molding method of mold | |
| CN206425491U (en) | A kind of gravity casting mold of seal nipple | |
| CN104401267A (en) | Back column upper decoration plate and mold and injection molding method thereof | |
| CN205989035U (en) | A kind of mould preventing cast-internal shrinkage cavity or crack | |
| CN204383349U (en) | Sidewall dead front type deep-hole structures and mould thereof | |
| CN106424588A (en) | Mold structure aimed at reversely mounted tire hub | |
| CN208290364U (en) | A kind of injection mold convenient for turnover box demoulding | |
| CN202357364U (en) | Die | |
| CN206106237U (en) | Dust catcher seals parts rubber injection vulcanization mould utensil | |
| CN205929236U (en) | Car handrail cover automatic opened die foaming mold utensil | |
| CN204383350U (en) | Trim board and mould thereof under rear pillar | |
| CN209224456U (en) | Injection mold is used in a kind of production of industry control display screen surface frame | |
| CN207273721U (en) | For improving the ledge structure of lens decorative pattern hook | |
| CN104494531A (en) | Rear-column lower decoration plate and mold thereof as well as injection molding method | |
| CN109483495A (en) | A kind of injection mold placing box | |
| CN103552213A (en) | Method for solving jet lines at side gate on thick wall during injection molding | |
| CN205009612U (en) | Thermoplasticity melting resin roving combined material forming die | |
| CN209478138U (en) | A kind of injection mold placing box | |
| CN210877429U (en) | Wheel casting mould | |
| CN203567154U (en) | Co-extrusion die head for extruding V-shaped wood grain plastic profile | |
| CN104526966A (en) | Side wall sealing type deep hole structure and mold thereof, and injection molding method of mold | |
| CN102490320A (en) | Mold | |
| CN105904623A (en) | Vulcanizing die for plastic framework of spring cushion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |