CN109702964A - Automobile luggage racks bicolor injection mould - Google Patents
Automobile luggage racks bicolor injection mould Download PDFInfo
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- CN109702964A CN109702964A CN201910173730.4A CN201910173730A CN109702964A CN 109702964 A CN109702964 A CN 109702964A CN 201910173730 A CN201910173730 A CN 201910173730A CN 109702964 A CN109702964 A CN 109702964A
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- Prior art keywords
- ebonite
- flexible glue
- glue
- gate
- core
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- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 239000003292 glue Substances 0.000 claims abstract description 140
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 118
- 229920001875 Ebonite Polymers 0.000 claims abstract description 81
- 238000001746 injection moulding Methods 0.000 claims abstract description 48
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 24
- 230000009189 diving Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses automobile luggage racks bicolor injection mould, including preceding mould and rear mold, and preceding mould is equipped with ebonite type core and soft-glue core, and rear mold is equipped with the rear model cavity that can be matched with ebonite type core or soft-glue core.Ebonite core package includes ebonite mold core body and ebonite insert gate, and soft-glue core includes flexible glue mold core body and flexible glue insert gate.After primary molding, ebonite type core and rear model cavity cooperatively form ebonite injection molding cavity, the injection molding and model is intracavitary after staying in ebonite injection molding cavity of luggage carrier ebonite part.After secondary mould closing, rear model cavity, luggage carrier ebonite part and soft-glue core cooperatively form flexible glue injection molding cavity.Drop gate is equipped in ebonite insert gate, drop gate is communicated with ebonite injection molding cavity.Latent cast gate is equipped in flexible glue insert gate, flexible glue injection molding cavity is communicated by the latent cast gate with the flexible glue hot flow path in preceding mould.Structure of the invention is ingenious in design, is directly injected into flexible glue injection molding cavity using latent cast gate, eliminates the defect in the appearance of product.
Description
Technical field
The present invention relates to automobile die technology fields, and in particular to a kind of automobile luggage racks bicolor injection mould.
Background technique
Automobile luggage racks include the flexible glue portion of the ebonite part being molded by ebonite and the edge positioned at ebonite part
Point, ebonite part is the shell structure that cross section is U-shaped, and flexible glue part has preferable elasticity, luggage by flexible glue injection molding
It when frame is installed to roof, can make the contact position of luggage carrier and roof that there is preferable leakproofness, dust and water is avoided to enter.Flexible glue
Part is an integral structure with ebonite part, since the ebonite part of luggage carrier and flexible glue part are there are color difference, because referred to herein as pair
The manufacture craft of color, luggage carrier is completed using injection molding twice, firstly, the ebonite type chamber of the injection mold of the ebonite part of luggage carrier
It is opened after interior injection molding, temperature after molding is 40 °~60 °, and ebonite is partially left in dynamic model, another type core with cover half
After molding again, soft-glue chamber is formed, to flexible glue cavity injection flexible glue.
In the prior art, the cast gate for being molded software uses slots on the surface of mold insert, cooperates shape with the inner wall of ebonite part
At flexible glue glue injection channel, by flexible glue glue injection channel to flexible glue cavity injection flexible glue.The flexible glue temperature of fluid state be 200 °~
220 °, high temperature flexible glue heats molded ebonite part, after die sinking is cooling again, ebonite part two sides and flexible glue glue injection channel
In the appearance of corresponding position, formation is significantly reprinted books in a reduce format, and is influenced the appearance quality of product, is led to product existing defects.Therefore,
The prior art is urgently further improved, and eliminates and there is bring defect of reprinting books in a reduce format in luggage carrier appearance.
Summary of the invention
In view of the above shortcomings of the prior art, it present invention aims at automobile luggage racks bicolor injection mould is proposed, solves
It causes to occur reprinting books in a reduce format on its ebonite partial appearance face, influence beautiful ask in injection moulding process in the flexible glue part of automobile luggage racks
Topic.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
Automobile luggage racks bicolor injection mould, including preceding mould and rear mold, preceding mould are cover half, and rear mold is dynamic model, the preceding mould
It is equipped with ebonite type core and soft-glue core, rear mold is equipped with the rear model cavity that can be matched with ebonite type core or soft-glue core.Firmly
Glue-type core includes ebonite mold core body and ebonite insert gate, and soft-glue core includes flexible glue mold core body and flexible glue insert gate.
After primary molding, ebonite type core and rear model cavity cooperatively form ebonite injection molding cavity, and luggage carrier ebonite part is in ebonite injection molding cavity
Injection molding and to stay in rear model intracavitary.After secondary mould closing, rear model cavity, luggage carrier ebonite part and soft-glue core are cooperatively formed
Flexible glue injection molding cavity, the injection molding in flexible glue injection molding cavity of luggage carrier flexible glue part.Drop gate is equipped in ebonite insert gate, directly
Connect the ebonite hot flow path in cast gate connection ebonite injection molding cavity and preceding mould.Latent cast gate, flexible glue injection molding cavity are equipped in flexible glue insert gate
It is communicated by the latent cast gate with the flexible glue hot flow path in preceding mould.
Preferably, there are two ebonite type cores, and it is symmetrically arranged in the side of preceding mould length direction, soft-glue core also has two
It is a, and it is symmetrically arranged in the other side of preceding mould length direction, ebonite type core is contrary with soft-glue core.Model cavity has four afterwards
A, two of them are corresponding with ebonite type core, other two is corresponding with soft-glue core.
Preferably, ebonite insert gate has multiple, multiple ebonite insert gates along ebonite mold core body extending direction according to
Minor tick arrangement.Flexible glue insert gate also have it is multiple, multiple flexible glue insert gates along flexible glue mold core body extending direction successively
Arranged for interval.
Preferably, after the molding of luggage carrier ebonite part injection, ebonite material handle is formed in drop gate, after primary die sinking, firmly
Sizing material handle is structure as a whole with luggage carrier ebonite part.
Preferably, the surface of soft-glue core is along its prolonging direction, with ebonite material that quantity is equal and position is corresponding
Material is arranged cavity, material cavity and the dislocation of flexible glue insert gate.
Preferably, the upper surface of flexible glue insert gate is provided with inserts runner, the bottom of inserts runner be equipped with in preceding mould
The cold burden section that flexible glue hot flow path communicates.There are two latent cast gates, and the two sides of cold burden section are arranged in splayed, cast gate connection inserting part of diving
Runner and flexible glue injection molding cavity.After secondary mould closing, inserts runner is matched with luggage carrier ebonite part, formed connect latent cast gate with it is cold
Expect the cavity of section.
Preferably, cold burden section and latent cast gate are the channel of pyramidal structure, and the cross section of cold burden section is along flexible glue into glue side
To being sequentially increased, the cross section of latent cast gate is sequentially reduced along flexible glue into glue direction.
Preferably, latent cast gate and the diameter of flexible glue injection molding cavity junction are 0.8mm~1.2mm.
Preferably, drop gate is the channel of pyramidal structure, and cross section is sequentially reduced along ebonite into glue direction.
By using above-mentioned technical proposal, the method have the benefit that: structure of the invention is ingenious in design, using latent
Cast gate carries out the injection of flexible glue, avoids cast gate from directly contacting with luggage carrier ebonite part, is directly injected into flexible glue injection molding cavity, Bu Hui
It is formed and is reprinted books in a reduce format in the appearance of luggage carrier ebonite part, guarantee the beauty of Surface Appearance.
Detailed description of the invention
Fig. 1 be secondary mould closing of the present invention after, the preflood status architecture schematic diagram of flexible glue.
Fig. 2 is the partial structurtes enlarged diagram of part A in Fig. 1.
Fig. 3 is the structural schematic diagram of certain a part in Fig. 1, thus it is shown that preceding mould.
Fig. 4 is the partial structurtes enlarged diagram of part B in Fig. 3.
Fig. 5 is the structural schematic diagram of another part in Fig. 1, thus it is shown that rear mold.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
In conjunction with Fig. 1 to Fig. 5, automobile luggage racks bicolor injection mould, including preceding mould 1 and rear mold 2, preceding mould 1 are cover half, rear mold
2 be dynamic model, and preceding mould 1 and rear mold 2 are mounted on injection molding machine.The preceding mould 1 is equipped with ebonite type core 3 and soft-glue core 4, rear mold 2
It is equipped with the rear model cavity 5 that can be matched with ebonite type core 3 or soft-glue core 4.There are two ebonite type cores 3, and is symmetrically arranged in
The left side of preceding 1 length direction of mould, soft-glue core 4 also there are two, and before being symmetrically arranged in 1 length direction of mould right side, two are hard
Glue-type core 3 is contrary with two soft-glue cores 4.Ebonite type core 3 includes ebonite mold core body 31 and ebonite insert gate 32,
Ebonite insert gate 32 has multiple, and multiple ebonite insert gates 32 are successively spaced cloth along the extending direction of ebonite mold core body 31
It sets.
Soft-glue core 4 include flexible glue mold core body 41 and flexible glue insert gate 42, flexible glue insert gate 42 also have it is multiple, it is more
Extending direction successively arranged for interval of a flexible glue insert gate 42 along flexible glue mold core body 41.Afterwards there are four model cavities 5, after four
Model cavity 5 is sequentially arranged along the width direction of rear mold 2, and model cavity 5 and two are hard after two of 2 length direction side of rear mold
Glue-type core 3 is corresponding, and model cavity 5 is corresponding with two soft-glue cores 4 after two of the 2 length direction other side of rear mold, after
The direction of model cavity 5 behind 2 side of mould two, with behind 2 other side of rear mold two model cavity 5 it is contrary, positioned at the same side
Model cavity 5 is arranged symmetrically after two, difference product piece formed after injection molding in model cavity 5 after two of the same side, to be mounted on
A pair of of luggage carrier of automobile top.
Drop gate is equipped in ebonite insert gate 32, drop gate is connected to the ebonite heat in ebonite injection molding cavity and preceding mould 1
Runner.Drop gate is the channel of pyramidal structure, and cross section is sequentially reduced along ebonite into glue direction.After primary molding, two
A ebonite type core 3 and model cavity 5 behind consistent two of its direction, are respectively cooperating with to form ebonite injection molding cavity, pass through ebonite gate insert
The ebonite of drop gate heated fluid injection state into ebonite injection molding cavity in part 32.After the molding of luggage carrier ebonite part injection,
Luggage carrier ebonite part 7 is formed in ebonite injection molding cavity, forms ebonite material handle, ebonite material in the drop gate of ebonite insert gate 32
Being connected as a body structure with luggage carrier ebonite part 7.After luggage carrier ebonite part 7 and ebonite material handle are cooled and shaped, preceding 1 He of mould
Rear mold 2 is opened, and luggage carrier ebonite part 7 and ebonite material handle stay in rear model cavity 5.
Injection molding machine drives rear mold 2 to rotate 180 ° around its center, and inside has two rear molds of luggage carrier ebonite part 7
Type chamber 5 is corresponding with two soft-glue cores 4 respectively, other two rear model cavity 5 is corresponding with two ebonite type cores 3 respectively, and two
After secondary molding, the luggage carrier ebonite part 7 of model cavity 5 and its inside after two is cooperatively formed with two soft-glue cores 4 soft respectively
Glue injection molding cavity 6, other two rear model cavity 5 cooperatively form ebonite injection molding cavity with two ebonite type cores 3 respectively.Soft-glue core 4
Surface has with ebonite material quantity is equal and the corresponding material in position is cavity 43 along its prolonging direction, material cavity 43 with it is soft
The dislocation arrangement of glue insert gate 42.When secondary mould closing, ebonite material is corresponding material is entered in cavity 43, and mould 1 is with after before guaranteeing
Mould 2 smoothly completes second of molding, and after second molds, luggage carrier ebonite part 7 is stayed in rear model cavity 5, and injection molding machine passes through
The multiple flexible glue insert gates 42 being located on soft-glue core 4, at the same into flexible glue injection molding cavity 6 heated fluid injection state flexible glue,
The injection molding in flexible glue injection molding cavity 6 of luggage carrier flexible glue part is connected as a body structure with luggage carrier ebonite part 7.
Latent cast gate 423 is equipped in flexible glue insert gate 42, flexible glue injection molding cavity 6 passes through in the latent cast gate 423 and preceding mould 1
Flexible glue hot flow path communicates.The upper surface of flexible glue insert gate 42 is provided with inserts runner 421, the bottom of inserts runner 421 be equipped with
The cold burden section 422 that flexible glue hot flow path in preceding mould 1 communicates.There are two latent cast gates 423, is arranged in cold burden section 422 in splayed
Two sides, dive 423 connection inserting part runner 421 of cast gate and flexible glue injection molding cavity 6, the inner wall for cast gate 423 of diving and luggage carrier ebonite part 7 are not
Directly contact.The flexible glue of the hot fluid state in flexible glue hot flow path in preceding mould 1, passes through the cold burden section in flexible glue insert gate 42
422 enter in inserts runner 421, then are separately flowed into flexible glue injection molding cavity 6 by two latent cast gates 423.
After secondary mould closing, inserts runner 421 is matched with luggage carrier ebonite part 7, is formed and is connected latent cast gate 423 and cold burden
The cavity of section 422 after flexible glue molding, forms the flexible glue of integral structure in inserts runner 421, latent cast gate 423 and cold burden section 422
Expect that handle, flexible glue material are connected as a body the part being located in inserts runner 421 with luggage carrier ebonite part 7, flexible glue material handle and hard
Sizing material is on the non-appearance face for being all connected to luggage carrier.Cold burden section 422 and latent cast gate 423 are the channel of pyramidal structure, cold burden
The cross section of section 422 is sequentially increased along flexible glue into glue direction, and the cross section of latent cast gate 423 successively subtracts along flexible glue into glue direction
It is small.Latent cast gate 423 and the diameter of 6 junction of flexible glue injection molding cavity are 0.8mm~1.2mm, are meeting flexible glue into while glue requirement,
When twice-die-opening, flexible glue material handle and luggage carrier flexible glue part are cut off convenient for flexible glue insert gate 42, realizes quick fracture handle, flexible glue
Material handle is separated with corresponding soft-glue core 4, and mandril ejects luggage carrier out of rear mold.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (9)
1. automobile luggage racks bicolor injection mould, including preceding mould and rear mold, preceding mould is cover half, and rear mold is dynamic model, which is characterized in that
The preceding mould is equipped with ebonite type core and soft-glue core, and rear mold is equipped with the rear mold that can be matched with ebonite type core or soft-glue core
Type chamber；Ebonite core package includes ebonite mold core body and ebonite insert gate, and soft-glue core includes that flexible glue mold core body and flexible glue pour
Mouth inserts；After primary molding, ebonite type core and rear model cavity cooperatively form ebonite injection molding cavity, and luggage carrier ebonite part is infused in ebonite
It moulds intracavitary injection molding and to stay in rear model intracavitary；After secondary mould closing, rear model cavity, luggage carrier ebonite part and soft-glue core are matched
Conjunction forms flexible glue injection molding cavity, the injection molding in flexible glue injection molding cavity of luggage carrier flexible glue part；It is equipped in ebonite insert gate direct
Cast gate, drop gate are connected to the ebonite hot flow path in ebonite injection molding cavity and preceding mould；Latent cast gate, flexible glue are equipped in flexible glue insert gate
Injection molding cavity is communicated by the latent cast gate with the flexible glue hot flow path in preceding mould.
2. automobile luggage racks bicolor injection mould according to claim 1, which is characterized in that there are two ebonite type cores, and
The side of mould length direction before being symmetrically arranged in, soft-glue core also there are two, and before being symmetrically arranged in mould length direction it is another
Side, ebonite type core are contrary with soft-glue core；Afterwards there are four model cavities, two of them are corresponding with ebonite type core, in addition
Two corresponding with soft-glue core.
3. automobile luggage racks bicolor injection mould according to claim 1, which is characterized in that ebonite insert gate has more
It is a, extending direction successively arranged for interval of multiple ebonite insert gates along ebonite mold core body；Flexible glue insert gate also have it is multiple,
Extending direction successively arranged for interval of multiple flexible glue insert gates along flexible glue mold core body.
4. automobile luggage racks bicolor injection mould according to claim 1, which is characterized in that luggage carrier ebonite part injection
After molding, ebonite material handle is formed in drop gate, after primary die sinking, ebonite material handle is structure as a whole with luggage carrier ebonite part.
5. automobile luggage racks bicolor injection mould according to claim 4, which is characterized in that the surface of soft-glue core is along it
Prolonging direction has with ebonite material quantity is equal and the corresponding material in position is cavity, and material is cavity and flexible glue insert gate mistake
Position arrangement.
6. automobile luggage racks bicolor injection mould according to claim 1, which is characterized in that the upper table of flexible glue insert gate
Face is provided with inserts runner, and the bottom of inserts runner is equipped with the cold burden section communicated with the flexible glue hot flow path in preceding mould；Latent cast gate has two
It is a, the two sides of cold burden section are arranged in splayed, dive cast gate connection inserting part runner and flexible glue injection molding cavity；After secondary mould closing, inserts
Runner is matched with luggage carrier ebonite part, forms the cavity for connecting latent cast gate and cold burden section.
7. automobile luggage racks bicolor injection mould according to claim 6, which is characterized in that cold burden section and latent cast gate are
The cross section in the channel of pyramidal structure, cold burden section is sequentially increased along flexible glue into glue direction, and the cross section for cast gate of diving is along flexible glue
It is sequentially reduced into glue direction.
8. automobile luggage racks bicolor injection mould according to claim 1, which is characterized in that latent cast gate and flexible glue injection molding cavity
The diameter of junction is 0.8mm~1.2mm.
9. automobile luggage racks bicolor injection mould according to claim 1, which is characterized in that drop gate is pyramidal structure
Channel, cross section is sequentially reduced along ebonite into glue direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173730.4A CN109702964B (en) | 2019-03-08 | 2019-03-08 | Double-color injection mold for automobile luggage rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173730.4A CN109702964B (en) | 2019-03-08 | 2019-03-08 | Double-color injection mold for automobile luggage rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109702964A true CN109702964A (en) | 2019-05-03 |
| CN109702964B CN109702964B (en) | 2024-07-16 |
Family
ID=66265652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910173730.4A Active CN109702964B (en) | 2019-03-08 | 2019-03-08 | Double-color injection mold for automobile luggage rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109702964B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677417A (en) * | 2020-12-29 | 2021-04-20 | 江苏君华特种工程塑料制品有限公司 | PEEK (polyether-ether-ketone) rubber-coated shaft injection mold and injection molding method thereof |
| CN112713734A (en) * | 2020-12-22 | 2021-04-27 | 苏州广型模具有限公司 | A movable mould mechanism for shaping new forms of energy motor casing |
| CN112829187A (en) * | 2020-12-31 | 2021-05-25 | 青岛海泰科模具有限公司 | An in-mold compression two-color injection mold |
| CN116872849A (en) * | 2023-07-24 | 2023-10-13 | 宁波信泰机械有限公司 | Color separation luggage rack and automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713734A (en) * | 2020-12-22 | 2021-04-27 | 苏州广型模具有限公司 | A movable mould mechanism for shaping new forms of energy motor casing |
| CN112677417A (en) * | 2020-12-29 | 2021-04-20 | 江苏君华特种工程塑料制品有限公司 | PEEK (polyether-ether-ketone) rubber-coated shaft injection mold and injection molding method thereof |
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| CN116872849A (en) * | 2023-07-24 | 2023-10-13 | 宁波信泰机械有限公司 | Color separation luggage rack and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109702964B (en) | 2024-07-16 |
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