CN110406048A - The compression moulding die of tailgate trim panel is lifted for automobile - Google Patents
The compression moulding die of tailgate trim panel is lifted for automobile Download PDFInfo
- Publication number
- CN110406048A CN110406048A CN201910649214.4A CN201910649214A CN110406048A CN 110406048 A CN110406048 A CN 110406048A CN 201910649214 A CN201910649214 A CN 201910649214A CN 110406048 A CN110406048 A CN 110406048A
- Authority
- CN
- China
- Prior art keywords
- movable block
- rear mold
- automobile
- trim panel
- die
- 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.)
- Granted
Links
- 238000000748 compression moulding Methods 0.000 title claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 19
- 239000004831 Hot glue Substances 0.000 abstract description 7
- 238000001746 injection moulding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3014—Door linings
Abstract
The present invention discloses the compression moulding die that tailgate trim panel is lifted for automobile, including preceding mould, rear mold, movable block, movable block driving mechanism and air discharge duct, is equipped with rear model cavity in the rear mold, rear model cavity is structure as a whole with rear mold.There is preceding model core, preceding model core and rear model cavity cooperatively form injection die cavities inside preceding mould.Movable block is arranged in rear mold, and movable block is closed annular structure.Movable block is movably arranged on the die joint of rear mold in a manner of inlaying, and the rear model cavity is located at the inside of movable block.Movable block driving mechanism is arranged in rear mold, and the movable end of movable block driving mechanism and the bottom of movable block are fixedly linked, and driving movable block is moved relative to rear mold.The present invention increases the thickness of injection die cavities by the movable block of setting, and the thickness of injection die cavities is reduced after the completion of injecting glue, and filling resistance when injecting glue is small, quickly fills type convenient for hot glue, eliminates the gas trace of product piece appearance, reduce rejection rate, improves product quality.
Description
Technical field
The present invention relates to injection mold technologies, and in particular to the compression moulding die of tailgate trim panel is lifted for automobile.
Background technique
It is thin-walled injection moulding part that automobile, which lifts tailgate trim panel, and entire area is larger and wall thickness is in 1.8mm or so, using common
When injection mold produces, can there is that injecting glue resistance is big, the thin relatively thin position of wall first cools down, and causes mold-filling capacity poor, in product piece
Part occur stream material can not fully filled defect, while will appear gas trace in the appearance of product, be unable to satisfy product
The requirement of matter leads to scrap of the product, the low problem of yield rate.If will lead to product piece appearance by improving injection pressure
The case where overlap, occurs, and is also unable to satisfy the requirement to product piece.Therefore, being molded into for tailgate trim panel is lifted for thin-walled automobile
Type needs to develop a kind of mold for can reduce filling resistance, improving mold-filling capacity, eliminating appearance gas trace.
Summary of the invention
In view of the above shortcomings of the prior art, the pressure injection that it is an object of the invention to propose to lift tailgate trim panel for automobile
Mold, solves to lift that tailgate interior trim wooden partition is thin occurs that filling resistance is big, and mold-filling capacity is poor, produces in appearance in injection moulding process because of vehicle
The problem of angry trace, high rejection rate.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
Lift the compression moulding die of tailgate trim panel for automobile, including preceding mould, rear mold, movable block, movable block driving mechanism and
Air discharge duct, the rear mold is interior to be equipped with rear model cavity, and rear model cavity is structure as a whole with rear mold.There is preceding model core inside preceding mould,
Preceding model core and rear model cavity cooperatively form injection die cavities.Movable block is arranged in rear mold, and movable block is closed annular structure.It is living
Motion block is movably arranged on the die joint of rear mold in a manner of inlaying, and the rear model cavity is located at the inside of movable block.Movable block
Driving mechanism is arranged in rear mold, and the movable end of movable block driving mechanism and the bottom of movable block are fixedly linked, and drives movable block
It is moved relative to rear mold.
Preferably, rear die holder is provided with below the rear mold, rear die holder is fixedly linked with rear mold.The top of preceding mould is arranged
There is preceding die holder, preceding die holder is fixedly linked with preceding mould.
Preferably, the upper surface of the movable block is provided with multiple guide posts, and the die joint of preceding mould is equipped with and guide post
Quantity is equal and the corresponding guide post slot in position, guide post slot are respectively positioned on the outside of preceding model core.
Preferably, the movable block driving mechanism includes needle plate, straight mandril, oil cylinder, and needle plate is movably arranged under rear mold
Side, needle plate are fixedly linked by the bottom of the straight mandril and movable block.Oil cylinder is fixedly mounted in rear mold, the piston rod of oil cylinder
It is fixedly linked with needle plate, drives movable block to move relative to rear mold by needle plate.
Preferably, successively arranged for interval has multiple core prints on the inner wall of the movable block side, and core print is to inlay
It is intracavitary that mode is movably arranged on rear model.Core print and movable block are fixed as one structure, and the top of core print, which is equipped with, forms vapour
Vehicle lifts the type core of tailgate trim panel edge strip mounting hole.
Preferably, the upper surface of the movable block, which is equipped with, can only pass through the air discharge duct of gas, the movable block and preceding mould
After parting face contact, air-flow through slot is cooperatively formed in the die joint of air discharge duct inner wall and preceding mould.
Preferably, the depth of the air discharge duct is 0.02mm.
Preferably, the inner sidewall of movable block and the edge of injection die cavities match and abut the edge of injection die cavities, activity
The die joint of the upper surface of block and preceding mould, which seals, to be cooperated.
By using above-mentioned technical proposal, the method have the benefit that: the present invention is increased by the movable block of setting
The thickness for adding injection die cavities reduces the thickness of injection die cavities after the completion of injecting glue, and filling resistance when injecting glue is small, fast convenient for hot glue
Speed fills type, eliminates the gas trace of product piece appearance, reduces rejection rate, improves product quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the mould and preceding die holder in technical solution of the present invention.
Fig. 2 is the structural schematic diagram of rear mold and rear die holder in technical solution of the present invention.
Fig. 3 is the unit construction principle schematic diagram of movable block and movable block driving mechanism of the invention.
Fig. 4 is the top view of the composite structure of movable block and movable block driving mechanism in Fig. 3.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
In conjunction with Fig. 1 to Fig. 4, lift the compression moulding die of tailgate trim panel for automobile, including preceding mould 1, rear mold 2, movable block 3,
Movable block driving mechanism 4 and air discharge duct, rear model cavity 21 is offered in the rear mold 2, and rear model cavity 21 is integrated knot with rear mold 2
Structure, the appearance that rear model cavity 21 lifts tailgate trim panel product piece with automobile match.There is preceding model core 11 inside preceding mould 1,
Preceding model core 11 cooperatively forms injection die cavities with rear model cavity 21.The lower section of the rear mold 2 is provided with rear die holder 22, rear die holder 22
It is fixedly linked with rear mold 2.The top of preceding mould 1 is provided with preceding die holder 12, and preceding die holder 12 is fixedly linked with preceding mould 1.Before preceding mould 1 passes through
Die holder 12 is fixed on injection molding machine, and rear mold 2 is fixed on injection molding machine by preceding die holder 12, and mould 1 and rear mold 2 are opened before machine Control system
Mould or molding.
Movable block 3 is arranged in rear mold 2, and movable block 3 is closed annular structure.The activity in a manner of inlaying of movable block 3 is set
It sets on the die joint of rear mold 2, the rear model cavity 21 is located at the inside of movable block 3.Movable block driving mechanism 4 is arranged in rear mold
In 2, the bottom of the movable end and movable block 3 of movable block driving mechanism 4 is fixedly linked, and driving movable block 3 is transported relative to rear mold 2
It is dynamic.The inner sidewall of movable block 3 and the edge of injection die cavities match and abut the edge of injection die cavities, the upper surface of movable block 3
It seals and cooperates with the die joint of preceding mould 1.
The movable block driving mechanism 4 includes needle plate 41, straight mandril 42, oil cylinder 43, and needle plate 41 is movably arranged on rear mold 2
Lower section, needle plate 41 are fixedly linked by the bottom of the straight mandril 42 and movable block 3.There are four straight mandrils 42, four straight mandrils
42, which are square, is arranged between movable block 3 and needle plate 41, and straight 42 one end of mandril is fixedly linked with needle plate 41, the other end and movable block
3 are fixedly linked.Oil cylinder 43 is fixedly mounted in rear mold 2, and piston rod and the needle plate 41 of oil cylinder 43 are fixedly linked, and is driven by needle plate 41
Dynamic movable block 3 is moved relative to rear mold 2.There are four oil cylinders 43, and four oil cylinders 43, which are square, to be fixed in rear mold 2, four oil cylinders
43 synchronization telescopes, driving needle plate 41 are translatable relative to rear mold 2.
There are four guide post 31, guide post 31 is the convex column of wedge structure, preceding mould for the upper surface setting of the movable block 3
Guide post slot 51 there are four setting on 1 die joint 5, guide post slot 51 is the wedge-shaped impression to match with guide post 31, and four are led
Column slot 51 is corresponded with four guide posts 31 respectively to be cooperated, the outside of model core 11 before guide post slot 51 is respectively positioned on.
Successively there are six core prints 6 for arranged for interval on the inner wall of 3 side of movable block, and core print 6 is in a manner of inlaying
It is movably arranged in rear model cavity 21.The side of core print 6 is fixedly linked into a single integrated structure, the top of core print 6 with movable block 3
Equipped with the type core 61 for forming automobile and lifting tailgate trim panel edge strip mounting hole.The upper surface of the movable block 3, which is equipped with, can only lead to
The air discharge duct of gas is crossed, the depth of the air discharge duct is 0.02mm.The movable block 3 is being arranged with after the parting face contact of preceding mould 1
The die joint of air drain inner wall and preceding mould 1 cooperatively forms air-flow through slot.Under use state, the gas in injection die cavities can pass through row
Air drain drains into the outside of mold, and the hot glue in injection die cavities cannot pass through air discharge duct.
Working principle of the present invention is as follows: before preceding mould 1 and rear mold 2 mold, movable block 3 is in the state of protrusion.Rear mold 2
It is remain stationary with movable block 3, under the action of injection molding machine, Xiang Houmo 2 is moved preceding mould 1, is first contacted with the surface of movable block 3, preceding
Mould 1, rear mold 2 and movable block 3 form closed injecting glue cavity, thickness of the injecting glue cavity between preceding model core 11 and rear model cavity 21
Degree is 2.8mm.Cast gate by being located at 2 middle part of rear mold injects hot glue into injecting glue cavity, and injecting glue amount is to form automobile to lift tailgate
The glue consumption of trim panel product piece, the volume of injecting glue cavity are greater than the volume of its internal hot glue, during injecting glue, in injecting glue cavity
Portion gas the outside of mold is drained by air discharge duct.
After the completion of injecting glue, preceding mould 1 is started again to be moved to rear mold 2, at this point, oil cylinder 43 is driven by needle plate 41 and straight mandril 42
Dynamic movable block 3 is moved to 2 side of rear mold, and the movement of preceding mould 1 is synchronous with the movement of movable block 3, and the surface of movable block 3 compresses always
On the die joint of preceding mould 1, hot glue is avoided to be forced out from the surface of movable block 3, moves synchronously process in preceding mould 1 and movable block 3
In, injecting glue cavity gradually becomes smaller, and internal gas drains into the outside of mold from the air discharge duct successively.11 He of "current" model core
Afterwards between model cavity 21 with a thickness of 1.8mm when, preceding mould 1 and the equal stop motion of movable block 2, injecting glue cavity become the injection molding
Type chamber, hot glue are full of entire injecting glue cavity, and the gas in injecting glue cavity is emptied.After cooling, preceding mould 1 is opened with rear mold 2, mechanical
Hand takes automobile away and lifts tailgate trim panel product piece, shape of the movable block 3 under the action of movable block driving mechanism 4 before molding
State waits molding, injecting glue next time.
The part that do not address in the present invention uses or uses for reference prior art and can be realized.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important
Property.
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 (8)
1. lifting the compression moulding die of tailgate trim panel, including preceding mould, rear mold, movable block, movable block driving mechanism and row for automobile
Air drain, which is characterized in that rear model cavity is equipped in the rear mold, rear model cavity is structure as a whole with rear mold；Have inside preceding mould
Preceding model core, preceding model core and rear model cavity cooperatively form injection die cavities；Movable block is arranged in rear mold, and movable block is close ring
Shape structure；Movable block is movably arranged on the die joint of rear mold in a manner of inlaying, and the rear model cavity is located at the interior of movable block
Side；Movable block driving mechanism is arranged in rear mold, and the movable end of movable block driving mechanism and the bottom of movable block are fixedly linked, and drives
Dynamic movable block is moved relative to rear mold.
2. the compression moulding die according to claim 1 for lifting tailgate trim panel for automobile, which is characterized in that the rear mold
Lower section is provided with rear die holder, and rear die holder is fixedly linked with rear mold；Preceding die holder is provided with above preceding mould, preceding die holder is fixed with preceding mould
It is connected.
3. the compression moulding die according to claim 1 for lifting tailgate trim panel for automobile, which is characterized in that the movable block
Upper surface be provided with multiple guide posts, the die joint of preceding mould is equipped with the corresponding guide post in equal and position with number of guide posts and inserts
Slot, the outside of model core before guide post slot is respectively positioned on.
4. the compression moulding die according to claim 1 for lifting tailgate trim panel for automobile, which is characterized in that the movable block
Driving mechanism includes needle plate, straight mandril, oil cylinder, and needle plate is movably arranged on the lower section of rear mold, and needle plate passes through the straight mandril and work
The bottom of motion block is fixedly linked；Oil cylinder is fixedly mounted in rear mold, and piston rod and the needle plate of oil cylinder are fixedly linked, and is driven by needle plate
Dynamic movable block is moved relative to rear mold.
5. the compression moulding die according to claim 1 for lifting tailgate trim panel for automobile, which is characterized in that the movable block
Successively arranged for interval has multiple core prints on the inner wall of side, and it is intracavitary that core print is movably arranged on rear model in a manner of inlaying；
Core print and movable block are fixed as one structure, and the top of core print, which is equipped with, to be formed automobile and lift the installation of tailgate trim panel edge strip
The type core in hole.
6. the compression moulding die according to claim 1 for lifting tailgate trim panel for automobile, which is characterized in that the movable block
Be equipped with only can be by the air discharge duct of gas, after the parting face contact of the movable block and preceding mould, in air discharge duct inner wall for upper surface
Air-flow through slot is cooperatively formed with the die joint of preceding mould.
7. the compression moulding die according to claim 6 for lifting tailgate trim panel for automobile, which is characterized in that the air discharge duct
Depth be 0.02mm.
8. according to claim 1 lift the compression moulding die of tailgate trim panel for automobile, which is characterized in that movable block it is interior
Side wall and the edge of injection die cavities match and abut the edge of injection die cavities, and the upper surface of movable block and the die joint of preceding mould are close
Envelope cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649214.4A CN110406048B (en) | 2019-07-18 | 2019-07-18 | Compression molding tool for automobile hatchback door inner decoration plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649214.4A CN110406048B (en) | 2019-07-18 | 2019-07-18 | Compression molding tool for automobile hatchback door inner decoration plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110406048A true CN110406048A (en) | 2019-11-05 |
| CN110406048B CN110406048B (en) | 2024-03-19 |
Family
ID=68361920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910649214.4A Active CN110406048B (en) | 2019-07-18 | 2019-07-18 | Compression molding tool for automobile hatchback door inner decoration plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110406048B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186074A (en) * | 2020-01-13 | 2020-05-22 | 宁波方正汽车模具股份有限公司 | Positioning mechanism of injection mold for automotive composite interior trim part |
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| CN201633175U (en) * | 2010-02-22 | 2010-11-17 | 宇科模具(厦门)有限公司 | Translation type two-color mould |
| KR20110108915A (en) * | 2010-03-30 | 2011-10-06 | 한국생산기술연구원 | Injection compression mold that have moved core that form cavity |
| CN106466909A (en) * | 2015-08-16 | 2017-03-01 | 天津市新海塑料包装有限公司 | A kind of novel injection molding machine equipment |
| CN107310105A (en) * | 2017-08-19 | 2017-11-03 | 成都市联余精密机械有限公司 | A kind of delayed ejection mould structure for realizing milk powder cover mold inner poster |
| CN207224524U (en) * | 2017-09-21 | 2018-04-13 | 深圳市欧丽塑胶原材料有限公司 | A kind of horizontal injection press |
| CN109501151A (en) * | 2018-12-29 | 2019-03-22 | 青岛海泰科模具有限公司 | Car thin-wall door-plate injection mold |
| CN210283107U (en) * | 2019-07-18 | 2020-04-10 | 青岛海泰科模具有限公司 | Injection molding die for automotive hatchback door interior trim panel |
-
2019
- 2019-07-18 CN CN201910649214.4A patent/CN110406048B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201633175U (en) * | 2010-02-22 | 2010-11-17 | 宇科模具(厦门)有限公司 | Translation type two-color mould |
| KR20110108915A (en) * | 2010-03-30 | 2011-10-06 | 한국생산기술연구원 | Injection compression mold that have moved core that form cavity |
| CN106466909A (en) * | 2015-08-16 | 2017-03-01 | 天津市新海塑料包装有限公司 | A kind of novel injection molding machine equipment |
| CN107310105A (en) * | 2017-08-19 | 2017-11-03 | 成都市联余精密机械有限公司 | A kind of delayed ejection mould structure for realizing milk powder cover mold inner poster |
| CN207224524U (en) * | 2017-09-21 | 2018-04-13 | 深圳市欧丽塑胶原材料有限公司 | A kind of horizontal injection press |
| CN109501151A (en) * | 2018-12-29 | 2019-03-22 | 青岛海泰科模具有限公司 | Car thin-wall door-plate injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186074A (en) * | 2020-01-13 | 2020-05-22 | 宁波方正汽车模具股份有限公司 | Positioning mechanism of injection mold for automotive composite interior trim part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110406048B (en) | 2024-03-19 |
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