CN106079297A - Compound demolding structure - Google Patents
Compound demolding structure Download PDFInfo
- Publication number
- CN106079297A CN106079297A CN201610599335.9A CN201610599335A CN106079297A CN 106079297 A CN106079297 A CN 106079297A CN 201610599335 A CN201610599335 A CN 201610599335A CN 106079297 A CN106079297 A CN 106079297A
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- CN
- China
- Prior art keywords
- core
- interior
- compound
- demolding structure
- outside
- 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.)
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C2045/334—Mountings or guides therefor; Drives therefor several transversely movable mould parts driven by a single drive means
Abstract
The compound demolding structure of the open one of the present invention, including outside core, interior core, pushing block and guide rod, outside core therein is the core of moulded products breach, interior core is the core of moulded products snap fit, outer core sleeve is on interior core top, outside core sidewall opening, pushing block is through outside core sidewall opening and in being inserted into the groove of interior core side, in pushing block drives, core moves up and down relative to outside core, interior core bottom is provided with guide runner, guide rod it is provided with in guide runner, described guide runner is made up of straight trough and helicla flute, in in journey of dividing a word with a hyphen at the end of a line on interior core, gathering sill makes under guide rod guides, outside core is first layered to rotate afterwards and realizes goods automatic demoulding, have rational in infrastructure, efficiency advantages of higher.
Description
Technical field
The compound demolding structure of the open one of the present invention, is divided by International Patent Classification (IPC) (IPC) and belongs to technology of die manufacturing
Field.
Background technology
With the coupler construction in product in multiple snap fits or the product of buckle, such as Fig. 1, each snap fit is circumferentially distributed,
Snap fit quantity can be 2,3,4 or more, and in injection moulding process, automatic demoulding is the above-mentioned similar products needs of production in industry
The problem solved.Fig. 1 and Fig. 2 is a kind of plastic ventilation valve union A, and material is PPSU, mould two chamber, in each one of plastic both sides
Screw thread A1, bottom has four snap fit A2, it is desirable to mould can produce automatically.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of rational in infrastructure, compound demolding structure of automatic production.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions:
A kind of compound demolding structure, including outside core, interior core, pushing block and guide rod, outside core therein is moulded products breach
Core, interior core is the core of moulded products snap fit, and outer core sleeve is at interior core top, outside core sidewall opening, and pushing block is worn
In crossing outside core sidewall opening and being inserted into the groove of interior core side, in pushing block drives, core moves down relative on outside core
Dynamic, interior core bottom is provided with guide runner, is provided with guide rod in guide runner, and described guide runner is made up of straight trough and helicla flute, interior core
On gathering sill in journey of dividing a word with a hyphen at the end of a line make inside and outside core first be layered to rotate afterwards and realize goods automatic demoulding under guide rod guides.
Further, described outside core sidewall opening and axially extending along core, the groove of interior core is arcuation groove along interior
Core is circumferentially extending, and the anglec of rotation that the circumferential width of arcuation groove requires to meet article removal is as the criterion.
Further, described outside core sidewall is provided with at least one opening, and pushing block is inserted into interior core side through corresponding opening
In the groove that face coordinates.
Further, described interior core sidewall is provided with 1 or more than the guide runner of 1 circle distribution, each guide runner be by
Straight trough and helicla flute composition and coordinate with a guide rod, guide runner from interior core wall outer surface to inner surface be that there is gradient
Guide barrel construction, the gradient of described guide runner is 10-50 degree, preferably 30 degree.
Further, in described guide runner, spiral fluted lead angle is 30-70 degree, preferably 65 degree, advantage be transmission more
Relax, smooth and easy, it is to avoid self-locking.
Further, described inner mold in-core is provided with at least one thimble to eject in goods.
Further, described outside core coordinates with outside core fixed plate, is provided with base plate bottom interior core, and guide rod is joined with guide rod plate
Closing, interior core is provided with sleeve between guide rod plate and base plate.
Further, compound demolding structure is arranged on lower mold, lower mold coordinate with upper mold realize goods injection, lower mold is provided with driving
The spring of pushing block action.
Further, being provided with die button between described lower mold and upper mold, die button includes button, lower button and middle slide fastener, upper button with
Upper mold connects, and lower button and middle slide fastener are connected with lower mold, and upper button is connected with centre slide fastener so that upper and lower mould matched moulds, during die sinking in
Between slide fastener and lower snap fit close and drive the template being connected and inside and outside core typing to deviate from goods snap fit.
Further, described upper and lower mould be provided with two goods injection die cavities and cooperation two groups are combined demolding structure, and two are combined
The interior core linkage of demolding structure realizes the demoulding.
The present invention coupler construction coordinating moulded products by interior external form, during the demoulding, outside core is fixed, through outside core
Core in controlling so that it is moving on first straight line, then spiral rotates, so that inside and outside core typing staggers, and then ejects system
Product realize automatic demoulding effect, have rational in infrastructure, efficiency advantages of higher.
Accompanying drawing explanation
Fig. 1 is a kind of plastic ventilation valve schematic diagram.
Fig. 2 is another schematic diagram of breather valve in Fig. 1.
Fig. 3 is embodiment of the present invention matched moulds state diagram.
Fig. 4 is the wrong schematic diagram of embodiment of the present invention core layering.
Fig. 5 is that the rotation of embodiment of the present invention core ejects schematic diagram.
Fig. 6 is embodiment of the present invention schematic diagram.
Fig. 7 is another schematic diagram of the embodiment of the present invention.
Fig. 8 is the present invention and upper and lower mould assembled sectional view.
Fig. 9 is that another sectional view is combined in upper and lower mould of the present invention combination.
Figure 10 die button of the present invention coordinates schematic diagram.
Figure 11 is inventive die overall diagram.
Figure 12 is lower mold schematic diagram of the present invention.
Figure 13 is embodiment of the present invention side view.
Figure 14 is A-A sectional view in Figure 13.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Embodiment: refer to Fig. 1 to Figure 12, the compound demolding structure of one, including outside core 1, interior core 2, pushing block 3 and guide rod 4,
Outside core 1 therein is the core of moulded products breach, and interior core 2 is the core of moulded products snap fit, and outside core 1 is enclosed within inner mold
Core 2 top, outside core 1 sidewall opening, pushing block 3 passes outside core 1 sidewall opening 101 and is inserted into the groove of interior core side
In 201, pushing block 3 drives interior core 2 to move up and down relative to outside core 1, and interior core 2 bottom is provided with guide runner 202, guide runner
Being provided with guide rod 4 in 202, described guide runner 202 is made up of straight trough and helicla flute, and in guide runner, spiral fluted lead angle is 30-
70 degree, preferably 65 degree, advantage be transmission more relax, smooth and easy, it is to avoid self-locking.In journey of dividing a word with a hyphen at the end of a line on interior core 2, gathering sill is at guide rod
Inside and outside core is made first to be layered to rotate afterwards and realize goods automatic demoulding under guiding.Outside core 1 sidewall opening 101 of the present invention is along type
Core is axially extending, and the groove 201 of interior core 2 is arcuation groove circumferentially extending along interior core, and the circumferential width of arcuation groove is to meet
The anglec of rotation that article removal requires is as the criterion.Outside core sidewall is provided with one or more opening, in order to improve stability, and outside core
1 sidewall symmetry be provided with opening, two pushing blocks 3 are inserted in the groove 201 of interior core 2 side-fit through corresponding opening.This
Bright described interior core sidewall is provided with 1 guide runner or more than a plurality of guide runner of 1, such as Figure 13, shown in 14, and interior core 2 sidewall
Being arranged with two guide runners with axis, each guide runner is to be made up of straight trough and helicla flute and coordinate with a guide rod, guide runner
Be the guide barrel construction having and making gradient from interior core wall outer surface to inner surface, the gradient of described guide runner is that α angle is
10-50 degree, preferably 30 degree, guide runner exterior notch radially is more than inner tank mouths, and the guide rod matched is the work with α pyramid degree
With end.When assembling mould, being provided with at least one thimble to eject in goods in interior core 2, thimble can be one or two,
Example thimble quantity shown in Fig. 8 is two, and thimble 203,204 nested type is placed in interior core quill shaft intracavity.Such as Fig. 6, figure
7, outside core 1 of the present invention coordinates with outside core fixed plate 14, is provided with base plate 5 bottom interior core 2, and guide rod 4 coordinates with guide rod plate 6,
Interior core 2 is provided with sleeve 7 between guide rod plate and base plate.As shown in Fig. 8, Fig. 9, Figure 11, Figure 12, compound demolding structure is arranged on
Lower mold 8, lower mold 8 coordinates with upper mold 9 and realizes goods injection, and lower mold 8 is provided with the spring 801 driving pushing block action, and it is fixed that spring is placed on
On bolt 802.Such as Figure 10, Figure 11 and Figure 12, between lower mold 8 and upper mold 9, be provided with die button 10, die button 10 include button 101, under
Button 102 and middle slide fastener 103, upper button 101 is connected with upper mold 9, and lower button 102 and middle slide fastener 103 are connected with lower mold 8, upper button 101
With middle slide fastener 103 snapping so that upper and lower mould matched moulds, during die sinking in the middle of slide fastener 103 buckle 102 and coordinate with lower and drive the mould that is connected
Plate and inside and outside core typing and deviate from goods snap fit.Fig. 9, Figure 11, Figure 12, upper and lower mould is provided with two goods injection die cavities and joins
Two groups closed are combined demolding structure, and the two interior core linkages being combined demolding structure realize the demoulding.
The snap fit of Fig. 1 breather valve joint is by the core (outside core 1) of the core (interior core 2) of molding snap fit Yu shaped notch
After first layering is staggered, interior core rotates 41 degree again, could be by completely out for core goods.The feature of the demoulding according to plastic,
Producing the guide runner 202 being made up of one section of straight trough and helicla flute on interior core 2, guide runner is under the guiding of guide rod 4, so that it may with
Realize die sinking automatic demoulding.And the female thread of breather valve joint may utilize die sinking tooth bar 901 driven gear and rotates the strand tooth demoulding,
Effective die sinking distance and the length of tooth bar in view of injection machine. using two-stage transmission, modulus selects 1, the first gear and second
Gear ratio is 3:1, the 3rd gear and the 4th gear ratio 2:1, and drive system is than for 6:1.
The demoulding of plastic/eject:
During die sinking, under the effect of spring 801 and die button 10, at I, be first begin to typing, pushing block 3 drive interior core 2 forward (on)
Motion, the most forward (on) mobile 3.5mm, then to left-handed 41 degree, at this moment the typing at I has arrived distance bolt 802 (spring
Set thereon) stroke-limit, stop motion, the snap fit of the interior completely out goods of core 2.Then typing is started at II, all
Gear be all engagement, the first gear rotates on tooth bar 901, thus drives core gear shaft 803,804 with the speed of six times
Degree rotates, and deviates from .803,804 is core gear shaft from goods, and 805 is tin bronze nut, the pitch phase of pitch and plastic
With, so, along with the rotation of core gear shaft, core can be deviate from, automatically without injuring the threaded portion of goods from plastic.
The die sinking distance controlling of mould, in the spacing stroke of distance plate, makes tooth bar 901 without departing from the engagement of gear. guarantee safety
Matched moulds. finally by thimble (52), plastic is ejected.
Described above, only utilize the embodiment of this origination techniques content, any those skilled in the art to use this wound
Make modification, the change done, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (10)
1. a compound demolding structure, it is characterised in that: including outside core, interior core, pushing block and guide rod, outside core therein is
The core of moulded products breach, interior core is the core of moulded products snap fit, and outer core sleeve is at interior core top, outside core sidewall
Opening, pushing block through outside core sidewall opening and in being inserted into the groove of interior core side, pushing block drive in core relative to outward
Core moves up and down, and interior core bottom is provided with guide runner, is provided with guide rod in guide runner, and described guide runner is by straight trough and helicla flute group
Becoming, in journey that interior core is divided a word with a hyphen at the end of a line, gathering sill makes inside and outside core first be layered to rotate afterwards and realize goods automatic demoulding under guide rod guides.
Compound demolding structure the most according to claim 1, it is characterised in that: described outside core sidewall opening and along core barrel
To extension, the groove of interior core is arcuation groove circumferentially extending along interior core.
Compound demolding structure the most according to claim 1, it is characterised in that: described outside core sidewall is provided with at least one and opens
Mouthful, pushing block is inserted in the groove of interior core side-fit through corresponding opening.
Compound demolding structure the most according to claim 1, it is characterised in that: described interior core sidewall is provided with 1 or more than 1
The guide runner of bar circle distribution, each guide runner is to be made up of straight trough and helicla flute and coordinate with a guide rod, and guide runner is from inner mold
Core wall outer surface is the guide barrel construction with gradient to inner surface, and the gradient of described guide runner is 10-50 degree.
Compound demolding structure the most according to claim 1, it is characterised in that: described spiral fluted lead angle is 30-70
Degree.
Compound demolding structure the most according to claim 1, it is characterised in that: described inner mold in-core is provided with at least one thimble
To eject in goods.
7. according to the compound demolding structure one of claim 1 to 6 Suo Shu, it is characterised in that: described outside core is solid with outside core
Determining plate to coordinate, be provided with base plate bottom interior core, guide rod coordinates with guide rod plate, and interior core is provided with set between guide rod plate and base plate
Cylinder.
Compound demolding structure the most according to claim 7, it is characterised in that: compound demolding structure is arranged on lower mold, lower mold
Coordinating with upper mold and realize goods injection, lower mold is provided with the spring driving pushing block action.
Compound demolding structure the most according to claim 8, it is characterised in that: it is provided with die button between described lower mold and upper mold,
Die button includes button, lower button and middle slide fastener, and upper button is connected with upper mold, and lower button and centre slide fastener are connected with lower mold, upper button and in
Between slide fastener connect so that upper and lower mould matched moulds, during die sinking in the middle of slide fastener close with lower snap fit and drive the template and inside and outside core that are connected
Typing and deviate from goods snap fit.
Compound demolding structure the most according to claim 8 or claim 9, it is characterised in that: described upper and lower mould is provided with two goods
Injection die cavity and two groups of cooperation are combined demolding structure, and the two interior cores linkages being combined demolding structure realize the demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599335.9A CN106079297B (en) | 2016-07-27 | 2016-07-27 | Compound demolding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599335.9A CN106079297B (en) | 2016-07-27 | 2016-07-27 | Compound demolding structure |
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| CN106079297A true CN106079297A (en) | 2016-11-09 |
| CN106079297B CN106079297B (en) | 2018-02-16 |
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| CN201610599335.9A Active CN106079297B (en) | 2016-07-27 | 2016-07-27 | Compound demolding structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234785A (en) * | 2017-07-21 | 2017-10-10 | 陈继鹏 | Make the device of silica gel breast pump |
| CN107263817A (en) * | 2017-05-18 | 2017-10-20 | 浙江帝恒实业有限公司 | A kind of release method of injection mold and the mould |
| CN109421209A (en) * | 2017-08-25 | 2019-03-05 | 通用汽车环球科技运作有限责任公司 | It is used to form the system and method for attachment structure |
| CN109501158A (en) * | 2018-10-30 | 2019-03-22 | 湖北兴欣科技股份有限公司 | Semiautomatic demolding device |
| CN110900907A (en) * | 2019-11-29 | 2020-03-24 | 南京金三力高分子科技有限公司 | Forming die and processing method of wire harness rubber protective sleeve |
| CN115122587A (en) * | 2021-03-26 | 2022-09-30 | 惠州市耀盈精密技术有限公司 | Deep tooth product mould hank tooth drive mechanism |
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| CN204487992U (en) * | 2014-11-11 | 2015-07-22 | 牟维军 | A kind of core-pulling die mechanism |
| CN205853281U (en) * | 2016-07-27 | 2017-01-04 | 厦门唯科模塑科技有限公司 | Compound demolding structure |
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| CN202668900U (en) * | 2012-07-12 | 2013-01-16 | 宁波金氏实业有限公司 | Hexagon valve body injection mold |
| CN104708781A (en) * | 2013-12-11 | 2015-06-17 | 甘肃大禹节水集团股份有限公司 | Injection moulding workbench of PVC-U ball valve body |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263817A (en) * | 2017-05-18 | 2017-10-20 | 浙江帝恒实业有限公司 | A kind of release method of injection mold and the mould |
| CN107627561A (en) * | 2017-05-18 | 2018-01-26 | 浙江帝恒实业有限公司 | A kind of release method of injection mold and the mould |
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| CN107234785A (en) * | 2017-07-21 | 2017-10-10 | 陈继鹏 | Make the device of silica gel breast pump |
| CN107234785B (en) * | 2017-07-21 | 2023-08-29 | 陈继鹏 | Device for manufacturing silica gel breast pump |
| CN109421209A (en) * | 2017-08-25 | 2019-03-05 | 通用汽车环球科技运作有限责任公司 | It is used to form the system and method for attachment structure |
| CN109501158A (en) * | 2018-10-30 | 2019-03-22 | 湖北兴欣科技股份有限公司 | Semiautomatic demolding device |
| CN110900907A (en) * | 2019-11-29 | 2020-03-24 | 南京金三力高分子科技有限公司 | Forming die and processing method of wire harness rubber protective sleeve |
| CN110900907B (en) * | 2019-11-29 | 2021-05-28 | 南京金三力高分子科技有限公司 | Forming die and processing method of wire harness rubber protective sleeve |
| CN115122587A (en) * | 2021-03-26 | 2022-09-30 | 惠州市耀盈精密技术有限公司 | Deep tooth product mould hank tooth drive mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106079297B (en) | 2018-02-16 |
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Address after: 361000, No. 101, No. 16 Xiang Xiang Road, torch hi tech Zone (Xiangan), Xiamen, Fujian Patentee after: Xiamen Weike Molding Technology Co., Ltd Address before: 361000, No. 101, No. 16 Xiang Xiang Road, torch hi tech Zone (Xiangan), Xiamen, Fujian Patentee before: Xiamen Voke Mold & Plastic Engineering Co., Ltd. |