CN106584779A - Injection molding device capable of cutting nozzle inside mold - Google Patents
Injection molding device capable of cutting nozzle inside mold Download PDFInfo
- Publication number
- CN106584779A CN106584779A CN201611198835.8A CN201611198835A CN106584779A CN 106584779 A CN106584779 A CN 106584779A CN 201611198835 A CN201611198835 A CN 201611198835A CN 106584779 A CN106584779 A CN 106584779A
- Authority
- CN
- China
- Prior art keywords
- thimble
- ejection
- drive block
- cut
- mold segment
- 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.)
- Pending
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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
-
- 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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- 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
Abstract
The invention discloses an injection molding device capable of cutting a nozzle inside a mold. The injection molding device comprises a first mold section and a second mold section. A shearing channel is formed in the position, directly facing the nozzle, of the first mold section and/or the second mold section. Cutting-off ejection pins are arranged in the shearing channel in a sliding mode. The ends of the cutting-off ejection pins are fixed to driving blocks, and the driving blocks can drive the cutting-off ejection pins to move towards the nozzle under the pushing action of external force so that the nozzle can be cut off. The cutting-off process of the nozzle is thoroughly automatic and is completed inside the mold. The first mold section and/or the second mold section are/is further provided with an ejection channel. Ejection pins capable of ejecting products out of the mold are arranged in the ejection channel in a sliding mode. The ejection pins are also driven by the driving blocks. The cutting-off ejection pins are driven by the driving blocks as well after cutting off the nozzle, the formed products are ejected out of the mold, and accordingly demolding operation is completed. The nozzle can be automatically cut off through arrangement of the cutting-off ejection pins, the whole process is completed inside the mold, and the nozzle cutting operation has already been completed when demolding ejection pins are used for demolding.
Description
Technical field
The present invention relates to injection mold technical field, further relates to water dividing gap injection moulding apparatus in a kind of mould.
Background technology
The mouth of a river refers to is pouring the binding site between simulation time-frame frame and part, is the plastics and runner of thermalization liquid
Between connected entrance.After liquid plastic cooled and solidified, runner defines framework, and the plastics at framework and product connected entrance are with regard to shape
Into the mouth of a river, need to cut the product of shaping from the mouth of a river when using product.
At present conventional way be after product injection mo(u)lding, by product together with the framework together demoulding, during the demoulding framework with
Connected by the mouth of a river between product, then cut off at the mouth of a river of product by manual mode.But manual water dividing gap is not only imitated
Rate is low, but also may reduce yields because operating incorrect damage product.
Therefore, for a person skilled in the art, a kind of dress that the mouth of a river can be cut off in mould inside how is designed
Put, be the current technical issues that need to address.
The content of the invention
The present invention provides water dividing gap injection moulding apparatus in a kind of mould, can complete automatic water gap cutting operation in mould.Concrete scheme
It is as follows：
Water dividing gap injection moulding apparatus in a kind of mould, including the first mold segment and the second mold segment, first mold segment and/or described
Arrange in two mold segments and just cut-out thimble is set to sliding in the shearing passage at the mouth of a river, the shearing passage, the cut-out thimble
End is fixed on drive block, and the drive block drives the cut-out thimble to cut off the mouth of a river under the promotion of external force；Described first
Ejection passage is also opened up in mold segment and/or second mold segment, product can be ejected mould by slip setting in the ejection passage
The ejection thimble of tool, the ejection thimble is driven by the drive block.
Alternatively, through being arranged in the drive block, the drive block inside arranges time delay chamber, institute to the ejection thimble
State the stress projection arranged on ejection thimble to be located in the time delay chamber, and the length of the stress projection is less than the time delay
Chamber, the inwall in the time delay chamber to stress projection force moves the ejection thimble.
Alternatively, the stress projection is column structure, and on the ejection thimble step surface is formed；The time delay chamber with
The stress projection is mutually matched spacing.
Alternatively, resetting means is also set up on the drive block, the resetting means can be returned to the drive block
Initial position.
Alternatively, the resetting means is compression spring；One end of the compression spring is fixed with the drive block, another
End is fixed in its place mold segment.
Alternatively, the resetting means is reset thimble, and described reset thimble one end is fixed on the drive block, another
End can be projected upwardly to outside mould, and by the pressure of relatively another mold segment of its place mold segment the driving block reset is made.
Alternatively, the drive block include be detachably connected upper piece with lower piece, it is described cut-out thimble be fixed on described
Block and it is described lower piece between.
Alternatively, the material position groove for avoiding the cut-out thimble is also set up on mould.
The invention provides water dividing gap injection moulding apparatus in a kind of mould, including the first mold segment and the second mold segment, two mold segment phases
Mutually coordinate and molded and matched moulds.Arrange in first mold segment and/or the second mold segment and just shearing passage is arranged to the position at the mouth of a river, cut
Slide in cutting through and cut-out thimble is set, shearing passage plays spacing effect to cutting off thimble, and cut-out thimble is in shearing passage
Interior slip.The end of cut-out thimble is fixed on drive block, and drive block drives cut-out thimble to mouth of a river side under the promotion of external force
To movement, the mouth of a river is cut off, short range is fully automated completes for mouth of a river cut-out, and completes in mould inside, product in the demoulding
Complete the operation of water dividing gap.
Ejection passage is also opened up in first mold segment and/or the second mold segment, slip setting in ejection passage can be by product top
Go out the ejection thimble of mould, ejection thimble is driven by drive block.After cut-out thimble cuts off at the mouth of a river, equally by drive block band
It is dynamic, by shaped article from mold ejection, so as to complete stripping operation.
Using water dividing gap injection moulding apparatus in the mould that the present invention is provided, by arranging cut-out thimble the mouth of a river is cut off automatically, it is whole
Mould inside is completed during individual, has been completed that water dividing gap is operated when by the demoulding thimble demoulding.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The top view of water dividing gap injection moulding apparatus in the mould that Fig. 1 is provided for the present invention；
Fig. 2 is the profile of Section A-A in Fig. 1；
Fig. 3 is the profile of section B-B in Fig. 1；
Fig. 4 is the partial enlarged drawing of part A in Fig. 3.
Including：
First mold segment 1, the second mold segment 2, shearing passage 3, cut-out thimble 4, drive block 5, time delay chamber 51, ejection passage 6, top
Go out thimble 7, stress projection 71, compression spring 81, reset thimble 82, mould 9.
Specific embodiment
The core of the present invention is to provide water dividing gap injection moulding apparatus in a kind of mould, can complete automatic water gap cutting behaviour in mould
Make.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing and specifically
Embodiment, explanation is described in detail to water dividing gap injection moulding apparatus in the mould of the application.
A kind of top view for being embodied as structure of water dividing gap injection moulding apparatus in the mould that Fig. 1 is provided for the present invention；Such as Fig. 2 and Tu
Shown in 3, the structural representation of two parallel cuts of water dividing gap injection moulding apparatus in the mould that the present invention is provided is represented respectively；Wherein Fig. 2
The cross section structure at cut-out thimble is represented, Fig. 3 represents the cross section structure at ejection thimble；Arrow in figure represents outside to driving
The force direction that block applies.Water dividing gap injection moulding apparatus include the first mold segment 1 and the second mold segment 2 in the mould, and both cooperate
Matched moulds and mold-break operations can be completed.Just shearing passage 3 is arranged to the position at the mouth of a river in first mold segment 1 and/or the second mold segment 2,
Slide in shearing passage 3 and cut-out thimble 4 is set, 3 pairs of cut-out thimbles 4 of shearing passage play spacing effect, and cut-out thimble 4 can
Reciprocatingly slide in shearing passage 3.The end of cut-out thimble 4 is fixed on drive block 5, and drive block 5 is under the promotion of external force
The cut-out thimble 4 cut-out mouth of a river is driven, as shown in figure 1, drive block 5 is arranged at bottom, cut-out thimble 4 can upwards be pushed up
Rise.In passage on the cut-out insertion mould 9 of thimble 4, cutting in the passage on mould 9 and the first mold segment 1 and/or the second mold segment 2
3 mutually correspondence connections are cut through, just to the mouth of a river.Shearing passage 3 can be arranged in any one in the first mold segment 1 or the second mold segment 2,
If injection moulding apparatus include that the position that multiple mold segments are just located according to the mouth of a river is set.
Ejection passage 6 is also opened up in first mold segment 1 and/or second mold segment 2, slip setting in ejection passage 6 can
The ejection thimble 7 of product ejection die, ejection thimble 7 are driven again by drive block 5.When in use, drive block 5 is in outside
Move under the drive of driving means, drive cut-out thimble 4 and ejection thimble 7 to move, cut-out thimble 4 cuts off at the mouth of a river, at the mouth of a river
After being cut off whole product is released from mould 9 by ejection thimble 7, complete stripping operation.Mould inside is complete in whole process
Into, have been completed when by the demoulding thimble demoulding water dividing gap operate.Without the need for again by the mouth of a river is manually cut off, improve after the demoulding
Production efficiency, and amplitude and position that mechanical reciprocation cuts every time are identical, it is ensured that the quality of cut-off part.
As shown in figure 4, for time delay chamber 51 and the partial enlarged drawing of stress projection 71.Ejection thimble 7 is through being arranged on driving
In block 5, it is provided for accommodating and the spacing through hole for ejecting thimble 7 in drive block 5, through hole generally fine strip shape, with ejection
The form fit of thimble 7, ejection thimble 7 cannot double swerve, the translation of a dimension can only be made.Arrange inside drive block 5
Time delay chamber 51, the size in time delay chamber 51 is more than the through hole on drive block 5.Stress projection 71, stress are set on ejection thimble 7
Projection 71 is located in time delay chamber 51.The length of stress projection 71 is less than time delay chamber 51, and the inwall in time delay chamber 51 can be convex with stress
Block 71 is contacted, and ejection thimble 7 can be promoted by the inwall in time delay chamber 51 when drive block 5 is moved.
Because the length of stress projection 71 is less than time delay chamber 51, in an initial condition, stress projection 71 and time delay chamber 51
There is a little space both sides, and drive block 5 needs the distance for first moving this space to contact with stress projection 71, promote ejection top
Pin 7 works.And the cut-out moment of thimble 4 keeps being synchronized with the movement with drive block 5, therefore the motion of ejection thimble 7 has delay effect,
Therefore cut-out motion just can be first completed, then product is ejected from mould 9, knockout course has certain time delay.
Specifically, stress projection 71 is column structure, can be cylinder or prism, and stress projection 71 is in ejection thimble
The step surface to surrounding protrusion is formed on 7, is contacted against with the inwall in time delay chamber 51 by this step surface.The inwall in time delay chamber 51
Shape is identical with stress projection 71, not only plays a driving role, and also functions to the effect of auxiliary stopper.
In any of the above-described technical scheme and its on the basis of being mutually combined, resetting means is also set up on drive block 5, by multiple
Drive block 5 is returned to initial position by position device, for rupturing operation next time.As shown in Figure 1 or 2, resetting means be by
Drive block is pressed back into downwards bottom, moves up during rupturing operation.
Here of the present invention provides two kinds of concrete setting structures of resetting means, and one kind is compression spring 81, and another kind is multiple
Position thimble 82.
Resetting means is compression spring 81：
One end of compression spring 81 is fixed with drive block 5, and the other end is fixed in the place mold segment of compression spring 81, compresses bullet
The location of spring 8 is a cavity, and cavity is surrounded by the other parts of drive block 5 and the mold segment.Release to drive block 5 to
On thrust after, drive block 5 compression spring 81 elastic force effect under move down, return to the initial position of bottommost.
Resetting means is reset thimble 82：
The one end of reset thimble 82 is fixed on drive block 5, keeps being synchronized with the movement with drive block 5, and the other end can be stretched upwards
Go out to outside the mold segment residing for itself, and stretch out the mould 9 in the mold segment, reset top when drive block 5 moves to extreme higher position
Pin 82 is externally protruded, and is moved down by the pressure of relatively another mold segment of its place mold segment in matched moulds, answers drive block 5
Position.
Compression spring 81 is two kinds of different resetting structures with reset thimble 82, but can realize that drive block 5 is returned to just
Beginning position effect, two kinds of structures may be selected one when actually used.No matter using compression spring 81 or reset thimble 82,
Four or more preferably should be all arranged, ensures that restoring force is uniform with this, drive block 5 is not in incline.
Install for convenience, drive block 5 include be detachably connected upper piece with lower piece, both are bolted to connection.
One end of cut-out thimble 4 arranges projection, and locking is fixed on piece between described lower piece, when drive block 5 upper piece with lower piece of phase
Connect as one with cut-out thimble 4 after mutually fixing.
Can reach outside a side mold due to cutting off thimble 4, in order to prevent the mould to damaging opposite side, in mould 9
On also set up material position groove for avoiding cut-out thimble 4, the height of material position groove stretch out more than cut-out thimble 4 after length, make to cut
Disconnected thimble 4 keeps the distance of safety with the mould of opposite side.
Water dividing gap injection moulding apparatus in the mould that the present invention is provided, drive the cut-out synchronizing moving of thimble 4, by water by drive block 5
Mouth cut-out；By drive block 5 drive ejection thimble 7 make delayed movement, when the mouth of a river cut-out after again by ejection thimble 7 by product from
Eject in the mould 9 of opening, mould inside is completed during water dividing gap, and without the need for artificial cutting, improve production efficiency,
Simultaneously the dynamics of each process of machine cuts and move distance be all, it is ensured that the effect of cutting, and damage will not be caused to product
Wound.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle, can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, this
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase
Consistent most wide scope.
Claims (8)
1. water dividing gap injection moulding apparatus in a kind of mould, it is characterised in that including the first mold segment (1) and the second mold segment (2), described first
Arrange in mold segment (1) and/or second mold segment (2) just to the shearing passage (3) at the mouth of a river, slide in shearing passage (3)
Cut-out thimble (4) is set, and the end of cut-out thimble (4) is fixed on drive block (5), and the drive block (5) is in external force
Promote lower drive cut-out thimble (4) the cut-out mouth of a river；Also open up in first mold segment (1) and/or second mold segment (2)
Ejection passage (6), ejection passage (6) the interior slip setting can be described by the ejection thimble (7) of product ejection die (9)
Ejection thimble (7) is driven by the drive block (5).
2. water dividing gap injection moulding apparatus in mould according to claim 1, it is characterised in that the ejection thimble (7) is through setting
Put in the drive block (5), time delay chamber (51) is set inside the drive block (5), what is arranged on ejection thimble (7) receives
Power projection (71) is in the time delay chamber (51), and the length of the stress projection (71) is less than the time delay chamber (51), institute
Stating the inwall in time delay chamber (51) makes ejection thimble (7) motion to the stress projection (71) force.
3. water dividing gap injection moulding apparatus in mould according to claim 2, it is characterised in that the stress projection (71) is column
Structure, on ejection thimble (7) step surface is formed；The time delay chamber (51) is mutually matched limit with the stress projection (71)
Position.
4. water dividing gap injection moulding apparatus in the mould according to any one of claims 1 to 3, it is characterised in that the drive block (5)
On also set up resetting means, the drive block (5) can be returned to initial position by the resetting means.
5. water dividing gap injection moulding apparatus in mould according to claim 4, it is characterised in that the resetting means is compression spring
(81)；One end of the compression spring (81) is fixed with the drive block (5), and the other end is fixed in its place mold segment.
6. water dividing gap injection moulding apparatus in mould according to claim 4, it is characterised in that the resetting means is reset thimble
(82), described reset thimble (82) one end is fixed on the drive block (5), and the other end can protrude upward the mould (9),
The drive block (5) is set to reset by the pressure of relatively another mold segment of its place mold segment.
7. water dividing gap injection moulding apparatus in mould according to claim 4, it is characterised in that the drive block (5) is including removable
Unload connection upper piece with lower piece, it is described cut-out thimble (4) be fixed on it is described upper piece with described lower piece between.
8. water dividing gap injection moulding apparatus in mould according to claim 4, it is characterised in that also set up use on the mould (9)
In the material position groove for avoiding cut-out thimble (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198835.8A CN106584779A (en) | 2016-12-22 | 2016-12-22 | Injection molding device capable of cutting nozzle inside mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198835.8A CN106584779A (en) | 2016-12-22 | 2016-12-22 | Injection molding device capable of cutting nozzle inside mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106584779A true CN106584779A (en) | 2017-04-26 |
Family
ID=58600556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611198835.8A Pending CN106584779A (en) | 2016-12-22 | 2016-12-22 | Injection molding device capable of cutting nozzle inside mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106584779A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480942A (en) * | 2019-03-04 | 2019-11-22 | 娄底市安地亚斯电子陶瓷有限公司 | One kind being suitable for the molding injection mould structure of power battery casing of relay idiosome |
| CN115847730A (en) * | 2022-11-30 | 2023-03-28 | 嘉兴乐威欧文科技有限公司 | Efficient injection molding device and injection molding process for automobile plastic parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259411A (en) * | 2011-06-24 | 2011-11-30 | 阳恒 | Molds capable of overcoming molding defects of simplicity in shrinkage, difficulty in cement saturation and air exhaust and the like |
| CN104772871A (en) * | 2014-01-10 | 2015-07-15 | 汉达精密电子(昆山)有限公司 | Mold internal-cutting structure |
| CN205572928U (en) * | 2016-04-04 | 2016-09-14 | 佛山市南海华达高木模具有限公司 | Device is cutd off at mouth of a river |
| CN206475382U (en) * | 2016-12-22 | 2017-09-08 | 东莞烨嘉电子科技有限公司 | Water dividing gap injection moulding apparatus in a kind of mould |
-
2016
- 2016-12-22 CN CN201611198835.8A patent/CN106584779A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259411A (en) * | 2011-06-24 | 2011-11-30 | 阳恒 | Molds capable of overcoming molding defects of simplicity in shrinkage, difficulty in cement saturation and air exhaust and the like |
| CN104772871A (en) * | 2014-01-10 | 2015-07-15 | 汉达精密电子(昆山)有限公司 | Mold internal-cutting structure |
| CN205572928U (en) * | 2016-04-04 | 2016-09-14 | 佛山市南海华达高木模具有限公司 | Device is cutd off at mouth of a river |
| CN206475382U (en) * | 2016-12-22 | 2017-09-08 | 东莞烨嘉电子科技有限公司 | Water dividing gap injection moulding apparatus in a kind of mould |
Non-Patent Citations (1)
| Title |
|---|
| 董艺，潘健怡，范淇元等: "《注塑模设计与成型工艺》", 30 June 2016, 中国轻工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480942A (en) * | 2019-03-04 | 2019-11-22 | 娄底市安地亚斯电子陶瓷有限公司 | One kind being suitable for the molding injection mould structure of power battery casing of relay idiosome |
| CN110480942B (en) * | 2019-03-04 | 2023-08-01 | 娄底市安地亚斯电子陶瓷有限公司 | Injection mold structure suitable for power battery relay shell blank molding |
| CN115847730A (en) * | 2022-11-30 | 2023-03-28 | 嘉兴乐威欧文科技有限公司 | Efficient injection molding device and injection molding process for automobile plastic parts |
| CN115847730B (en) * | 2022-11-30 | 2023-08-18 | 嘉兴乐威欧文科技有限公司 | Efficient injection molding device for automobile plastic parts and injection molding process thereof |
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Application publication date: 20170426 |