CN106182624A - A kind of structure preventing the sizing material in cast gate from breaking in mould - Google Patents
A kind of structure preventing the sizing material in cast gate from breaking in mould Download PDFInfo
- Publication number
- CN106182624A CN106182624A CN201610781262.5A CN201610781262A CN106182624A CN 106182624 A CN106182624 A CN 106182624A CN 201610781262 A CN201610781262 A CN 201610781262A CN 106182624 A CN106182624 A CN 106182624A
- Authority
- CN
- China
- Prior art keywords
- forming portion
- die cavity
- rear mold
- cast gate
- mould
- 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
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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0041—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks preventing initial material from entering the mould cavity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
nullThe present invention relates to a kind of structure preventing the sizing material in cast gate from breaking in mould，Its difference is: it includes front mould and rear mold，It is provided with in rear mold into glue passage，Rear mold includes rear mold core、Straight jacking block、And straight push rod，The upper end of rear mold has the die cavity forming portion forming cavity portion side face，The side of straight jacking block offers to be formed enters glue passage forming portion into glue channel part side face，Enter glue passage forming portion to cooperatively form into glue passage with rear mold core，Enter the first paragraph that glue passage forming portion includes being downwardly extended by the upper end of straight jacking block、And connect with first paragraph and extend laterally to the second segment below die cavity forming portion，Enter and on the second segment of glue passage, offer the cast gate forming portion connected with die cavity forming portion，The upper end of straight jacking block is further opened with connecting die cavity forming portion and entering the interface channel forming portion of glue passage first paragraph，At interface channel forming portion, resistance material it is provided with protruding in die cavity forming portion.Sizing material in product and cast gate can be taken out by the present invention in the lump.
Description
Technical field
The present invention relates to injection mold field, a kind of structure preventing the sizing material in cast gate from breaking in mould.
Background technology
Automobile grills mould is because the particularity of product structure, in order to meet grid appearance requirement, it is necessary to use hide into
Glue cast gate, and in product and cast gate, the junction of sizing material is weakness, during the sizing material in cast gate is ejected, product with
In cast gate, sizing material is easily broken off separating under sticking to mould power effect, causes product to be taken away by robot, and the sizing material in cast gate is the most residual
Stay in mould, when matched moulds, do not have the cast gate sizing material taken out that the part in mould can be made to reset, thus in causing mould
Part extrude mutually, cause mould badly damaged.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that a kind of prevent the sizing material in cast gate from breaking at mould
Interior structure, can take out in the lump by the sizing material in product and cast gate.
For solving above technical problem, the technical scheme is that and a kind of prevent the sizing material in cast gate from breaking at mould
Interior structure, its difference is: it includes front mould and the rear mold coordinated with described front mould, described front mould and rear mold matched moulds
Form die cavity, be provided with into glue passage in described rear mold, the straight top that described rear mold includes rear mold core, is located in rear mold core
Block and for driving the straight push rod that straight jacking block moves up and down, the upper end of described rear mold has the die cavity forming cavity portion side face
Forming portion, the side of described straight jacking block offers to be formed enters glue passage forming portion into glue channel part side face, described in enter glue and lead to
Road forming portion and described rear mold core cooperatively form into glue passage, described in enter glue passage forming portion include the upper end by straight jacking block to
The first paragraph of lower extension and connect with first paragraph and extend laterally to the second segment below die cavity forming portion, described in enter glue passage
Second segment on offer the cast gate forming portion connected with die cavity forming portion, it is described that the upper end of described straight jacking block is further opened with connection
Die cavity forming portion and described enter glue passage first paragraph interface channel forming portion, in described die cavity forming portion near described connection lead to
Resistance material it is provided with protruding at road forming portion.
By above technical scheme, described die cavity forming portion includes bottom surface and is located at the sidewall of bottom periphery, and described connection is led to
Road forming portion is opened on the sidewall of described die cavity forming portion, and described resistance material projection is generally curved, the two of described resistance material projection
End is connected with the die cavity forming portion sidewall of interface channel forming portion both sides respectively.
By above technical scheme, described resistance material projection has one or more, and when there being multiple resistance material projection, multiple resistance materials are convex
Rise and arrange in multiple concentric circular arc.
By above technical scheme, a part of segmental arc of described resistance material projection is formed on described straight jacking block, another part
Segmental arc is formed on described rear mold core.
By above technical scheme, the height of the upper surface that described resistance material is protruding is at the bottom of higher than die cavity forming portion around resistance material projection
The height in face.
By above technical scheme, the floor height of described interface channel forming portion is higher than die cavity around interface channel forming portion
The height of forming portion bottom surface.
By above technical scheme, described rear mold also includes oblique for eject into the sizing material in glue passage and cast gate forming portion
Jacking block and for ejecting the angle ejector rod of described slanted kicking block, described slanted kicking block be embedded in the side of described straight jacking block with described enter glue lead to
The second segment corresponding position in road.
Contrast prior art, the beneficial features of the present invention is: this prevents the sizing material in cast gate from breaking at the structure in mould,
The second segment entering glue passage is connected with the lower end of die cavity forming portion by cast gate forming portion, enters the first paragraph of glue passage by connecting
Passage forming portion is connected with die cavity forming portion, during the sizing material in cast gate forming portion is ejected, even if its with product it
Between junction fracture, the sizing material entered in glue passage is connected with product yet by the sizing material in interface channel forming portion, take out product
During product, the sizing material being attached thereto can be taken out the most in the lump, solve sizing material and remain in the problem in cast gate forming portion, improve mould
The service life of tool；And it is protruding to be provided with resistance material in die cavity forming portion at interface channel forming portion, can reduce by connecting logical
Road forming portion flows into the sizing material amount in die cavity forming portion, it is to avoid too much sizing material is flowed into die cavity forming portion by interface channel forming portion
There is current mark and bubble in the product surface inside caused.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation；
Fig. 2 is the local A schematic enlarged-scale view of 1；
Fig. 3 is the left view of straight jacking block in Fig. 1；
Fig. 4 is embodiment of the present invention structural representation；
Fig. 5 is embodiment of the present invention structural representation；
Wherein: 1-rear mold (101-rear mold core, the straight jacking block of 102-(upper end of the straight jacking block of 102a-, the side of the straight jacking block of 102b-,
1021-enter glue passage forming portion (10211-enters glue passage forming portion first paragraph, 10212-enters glue passage forming portion second segment),
1022-cast gate forming portion, 1023-interface channel forming portion (bottom surface of 1023a-interface channel forming portion)), the straight push rod of 103-,
104-die cavity forming portion (104a-die cavity forming portion bottom surface, the sidewall of 104b-die cavity forming portion, the protruding (1041a-of 1041-resistance material
The upper surface that resistance material is protruding), 1042-interface channel forming portion and the junction of die cavity forming portion sidewall, 1043-semicircle empty
Between), 105-slanted kicking block, 106-angle ejector rod), 2-product.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
Refer to Fig. 1 to Fig. 5, the embodiment of the present invention prevents the sizing material in cast gate from breaking at the structure in mould, and it includes
Front mould and the rear mold 1 coordinated with described front mould, described front mould and rear mold 1 matched moulds form die cavity, be provided with in described rear mold 1 into
Glue passage, described rear mold 1 includes rear mold core 101, the straight jacking block 102 being located in rear mold core 101 and for driving straight jacking block
The 102 straight push rods 103 moved up and down, the upper end of described rear mold 1 has the die cavity forming portion 104 forming cavity portion side face, institute
State the side of straight jacking block 102 to offer to be formed and enter glue passage forming portion 1021 into glue channel part side face, described in enter glue passage
Forming portion 1021 and described rear mold core 101 cooperatively form into glue passage, described in enter glue passage forming portion 1021 and include by directly pushing up
First paragraph 10211 that the upper end 102a of block downwardly extends and connect with first paragraph 10211 and extend laterally to die cavity forming portion
Second segment 10212 below 104, the side 102b of described straight jacking block is further opened with connecting into glue passage second segment 10212 and type
The cast gate forming portion 1022 of chamber forming portion 104, cast gate forming portion 1022 and rear mold core 101 cooperatively form cast gate, described straight top
The upper end 102a of block be further opened with connecting described die cavity forming portion 104 and described enter glue passage first paragraph 10211 interface channel
Forming portion 1023, interface channel forming portion 1023 and front mould cooperatively form interface channel, near institute in described die cavity forming portion 104
State and at interface channel forming portion 1023, be provided with resistance material projection 1041.
Preferably, in order to effectively surround interface channel forming portion and the junction 1042 of die cavity forming portion sidewall, reduce
Flowed into the sizing material amount in die cavity forming portion 104 by interface channel forming portion 1023, described die cavity forming portion 104 includes bottom surface 104a
Be located at the sidewall 104b of bottom surface 104a periphery, described interface channel forming portion 1023 is opened in the sidewall of described die cavity forming portion
On 104b, described resistance material is protruding 1041 generally curved, the two ends of described resistance material projection 1041 respectively with interface channel forming portion
The die cavity forming portion sidewall 104b of 1023 both sides connects, and is formed and surrounds interface channel forming portion and die cavity forming portion sidewall junction
The semicircle space 1043 of 1042.
Specifically, in order to reduce the sizing material amount being flowed in die cavity forming portion 104 by interface channel forming portion 1023, big portion is made
Dividing sizing material to be flowed in die cavity by cast gate, the height of the upper surface 1041a that described resistance material is protruding is higher than protruding 1041 peripherals of resistance material
The height of forming portion bottom surface, chamber 104a.
Preferably, described resistance material projection 1041 has one or more.Fig. 1, Fig. 2 and Fig. 4 show and only arrange a resistance material
The structure of protruding 1041.When there being multiple resistance material projection 1041, multiple resistance material projections 1041 are arranged in multiple concentric circular arc, such as figure
Shown in 5.
Preferably, a part of segmental arc of described resistance material projection 1041 be formed on described straight jacking block 102, another part arc
Shape section is formed on described rear mold core 101.
Preferably, the sizing material in die cavity forming portion 104 is flowed into further reduce by interface channel forming portion 1023
Amount, the bottom surface 1023a of described interface channel forming portion is highly higher than die cavity forming portion bottom surface 104a around interface channel forming portion
Height.
Preferably, for the ease of ejecting, described rear mold 1 also includes slanted kicking block 105 and for ejecting described slanted kicking block 105
Angle ejector rod 106, slanted kicking block 105 is for ejecting into the sizing material in glue passage forming portion 1021 and the glue in cast gate forming portion 1022
Material, described slanted kicking block 105 be embedded in the side 102b of described straight jacking block with described enter glue passage second segment 10212 correspondence position
Place.
Refer to Fig. 1 to Fig. 5, in the embodiment of the present invention, enter the second segment 10212 of glue passage by cast gate forming portion 1022
It is connected with the lower end of die cavity forming portion 104, enters the first paragraph 10211 of glue passage by interface channel forming portion 1023 and die cavity shape
One-tenth portion 104 connects, during the sizing material in cast gate forming portion 1022 is ejected, even if the sizing material in cast gate forming portion 1022
And the junction fracture between product 2, enters the sizing material in glue passage forming portion 1021 yet by interface channel forming portion 1023
Sizing material be connected with product 2, take out product 2 time, can be by the sizing material entered in glue passage forming portion 1021 and cast gate forming portion 1022
Interior sizing material takes out in the lump with product 2, solves the problem that sizing material remains in cast gate, improves the mold use life-span；And
At interface channel forming portion 1023, it is provided with resistance material projection 1041 in die cavity forming portion 104, can reduce by interface channel shape
One-tenth portion 1023 flows into the sizing material amount in die cavity forming portion 104, it is to avoid too much sizing material is by interface channel forming portion 1023 inflow type
There is current mark and bubble in product 2 surface caused in chamber forming portion 104.The present invention had both solved sizing material and had remained in asking in mould
Topic, in turn ensure that the quality of product 2.
Above content is to combine the further description that the present invention is done by specific embodiment, it is impossible to assert this
Bright being embodied as is confined to these explanations.For the those of ordinary skill of the technical field belonging to the present invention, not
On the premise of departing from present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the guarantor of the present invention
Protect scope.
Claims (7)
1. one kind prevents the structure that the sizing material in cast gate breaks in mould, it is characterised in that: it include front mould and with described before
The rear mold that mould coordinates, described front mould and rear mold matched moulds form die cavity, are provided with into glue passage in described rear mold, and described rear mold includes
Rear mold core, the straight jacking block being located in rear mold core and for the straight push rod driving straight jacking block to move up and down, described rear mold upper
End has the die cavity forming portion forming cavity portion side face, and the side of described straight jacking block offers and formed into glue channel part side face
Enter glue passage forming portion, described in enter glue passage forming portion and described rear mold core and cooperatively form into glue passage, described in enter glue and lead to
Road forming portion includes the first paragraph downwardly extended by the upper end of straight jacking block and connects with first paragraph and extend laterally to die cavity and formed
Second segment below portion, described in enter and offer, on the second segment of glue passage, the cast gate forming portion connected with die cavity forming portion, described
The upper end of straight jacking block be further opened with connecting described die cavity forming portion and described enter glue passage first paragraph interface channel forming portion, institute
State at described interface channel forming portion, in die cavity forming portion, be provided with resistance material projection.
Prevent the sizing material in cast gate from breaking at the structure in mould the most as claimed in claim 1, it is characterised in that: described die cavity
Forming portion includes bottom surface and is located at the sidewall of bottom periphery, and described interface channel forming portion is opened in the side of described die cavity forming portion
On wall, described resistance material projection is generally curved, the protruding two ends of described resistance material respectively with the die cavity of interface channel forming portion both sides
Forming portion sidewall connects.
Prevent the sizing material in cast gate from breaking at the structure in mould the most as claimed in claim 2, it is characterised in that: described resistance material
Projection has one or more, and when there being multiple resistance material projection, multiple resistance materials are protruding to be arranged in multiple concentric circular arc.
Prevent the sizing material in cast gate from breaking at the structure in mould the most as claimed in claim 2, it is characterised in that: described resistance material
Protruding a part of segmental arc is formed on described straight jacking block, another part segmental arc is formed on described rear mold core.
Prevent the sizing material in cast gate from breaking at the structure in mould the most as claimed in claim 1, it is characterised in that: described resistance material
The height of protruding upper surface is higher than the height of die cavity forming portion bottom surface around resistance material projection.
Prevent the sizing material in cast gate from breaking at the structure in mould the most as claimed in claim 1, it is characterised in that: described connection
The floor height of passage forming portion is higher than the height of die cavity forming portion bottom surface around interface channel forming portion.
7. preventing, as described in any one of claim 1 to 6, the structure that the sizing material in cast gate breaks in mould, its feature exists
Also include for ejecting into the slanted kicking block of the sizing material in glue passage and cast gate forming portion and described for ejecting in: described rear mold
The angle ejector rod of slanted kicking block, described slanted kicking block be embedded in the side of described straight jacking block with described enter glue passage second segment correspondence position
Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781262.5A CN106182624B (en) | 2016-08-31 | 2016-08-31 | It is a kind of to prevent that pouring intraoral sizing material is broken the structure in mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781262.5A CN106182624B (en) | 2016-08-31 | 2016-08-31 | It is a kind of to prevent that pouring intraoral sizing material is broken the structure in mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106182624A true CN106182624A (en) | 2016-12-07 |
| CN106182624B CN106182624B (en) | 2018-03-30 |
Family
ID=58087492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610781262.5A Active CN106182624B (en) | 2016-08-31 | 2016-08-31 | It is a kind of to prevent that pouring intraoral sizing material is broken the structure in mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106182624B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203386A (en) * | 2018-09-27 | 2019-01-15 | 浙江三雷模塑有限公司 | Auto front grille mould material handle deforms demoulding mechanism |
| CN110900974A (en) * | 2019-12-17 | 2020-03-24 | 华域视觉科技(上海)有限公司 | Inclined top sealing material structure of double-color front lamp lens mould |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09193200A (en) * | 1996-01-12 | 1997-07-29 | Nippon Plast Co Ltd | Submarine gate mold |
| CN202162969U (en) * | 2011-06-25 | 2012-03-14 | 富港电子（东莞）有限公司 | Pillow position gate type injection mold |
| CN202318790U (en) * | 2011-11-28 | 2012-07-11 | 延锋彼欧汽车外饰系统有限公司 | Die glue inlet structure for middle air inlet cover of automobile |
| CN203650855U (en) * | 2013-10-14 | 2014-06-18 | 浙江万豪模塑有限公司 | Multi-point glue inlet mechanism for injection mold ejector block |
| CN205969771U (en) * | 2016-08-31 | 2017-02-22 | 武汉燎原模塑有限公司 | Structure of intraoral sizing material fracture in mould prevent to water |
-
2016
- 2016-08-31 CN CN201610781262.5A patent/CN106182624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09193200A (en) * | 1996-01-12 | 1997-07-29 | Nippon Plast Co Ltd | Submarine gate mold |
| CN202162969U (en) * | 2011-06-25 | 2012-03-14 | 富港电子（东莞）有限公司 | Pillow position gate type injection mold |
| CN202318790U (en) * | 2011-11-28 | 2012-07-11 | 延锋彼欧汽车外饰系统有限公司 | Die glue inlet structure for middle air inlet cover of automobile |
| CN203650855U (en) * | 2013-10-14 | 2014-06-18 | 浙江万豪模塑有限公司 | Multi-point glue inlet mechanism for injection mold ejector block |
| CN205969771U (en) * | 2016-08-31 | 2017-02-22 | 武汉燎原模塑有限公司 | Structure of intraoral sizing material fracture in mould prevent to water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203386A (en) * | 2018-09-27 | 2019-01-15 | 浙江三雷模塑有限公司 | Auto front grille mould material handle deforms demoulding mechanism |
| CN110900974A (en) * | 2019-12-17 | 2020-03-24 | 华域视觉科技(上海)有限公司 | Inclined top sealing material structure of double-color front lamp lens mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106182624B (en) | 2018-03-30 |
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