CN106426824B - A kind of automatic water gap cutting injection moulding apparatus - Google Patents
A kind of automatic water gap cutting injection moulding apparatus Download PDFInfo
- Publication number
- CN106426824B CN106426824B CN201611199707.5A CN201611199707A CN106426824B CN 106426824 B CN106426824 B CN 106426824B CN 201611199707 A CN201611199707 A CN 201611199707A CN 106426824 B CN106426824 B CN 106426824B
- Authority
- CN
- China
- Prior art keywords
- cutting
- thimble
- demoulding
- bottom plate
- ejector retainer
- 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
- B29C45/38—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
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
Abstract
The invention discloses a kind of automatic water gap cutting injection moulding apparatus, including upper die and lower die, in the inside of lower die setting operation channel, run the channel face mouth of a river, the setting cutting thimble in operation channel, cuts off thimble by operation hoistway limit, and can reciprocatingly slide in moving conduit.The bottom connection cutting Ejector Retainer Plate for cutting off thimble, drives cutting thimble movement by cutting Ejector Retainer Plate, cuts off and be provided with blade at the top of thimble, the mouth of a river of its face is cut.After product coagulation forming, drives cutting Ejector Retainer Plate and cutting thimble mobile towards the mouth of a river by other driving devices, the mouth of a river for running channel face is cut off, the process of automatic water gap cutting is completed.Whole process is completed in mold, and separation is had been completed when injecting products are removed, and is not needed manually to cut off, is improved working efficiency；The movement for cutting off the mouth of a river is completed by cutting thimble, carries out duplicate movement, the amplitude acted every time is identical, it is ensured that the quality of each water dividing gap.
Description
Technical field
The present invention relates to injection mold technologies, further relate to a kind of automatic water gap cutting injection moulding apparatus.
Background technique
The mouth of a river, which refers to, is pouring the binding site between simulation time-frame frame and part, is the plastics and runner of thermalization liquid
Between communication port.After liquid plastic cooled and solidified, runner forms frame, and the plastics at frame and product communication port are with regard to shape
At the mouth of a river, need to cut molding product from the mouth of a river when using product.
Currently used way is to demould product together together with frame after product injection molding, when demoulding frame with
It is connected between product by the mouth of a river, then is cut off the mouth of a river of product by manually operated 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 those skilled in the art, a kind of device that can automatically cut off the mouth of a river how is designed, is mesh
The preceding technical issues that need to address.
Summary of the invention
The present invention provides a kind of automatic water gap cutting injection moulding apparatus, and the mouth of a river can be automatically cut off in mold, improves production
Efficiency.Concrete scheme is as follows:
The inside of a kind of automatic water gap cutting injection moulding apparatus, including upper die and lower die, the upper mold and/or the lower die is arranged
The bottom in the operation channel at the face mouth of a river, sliding setting cutting thimble in the operation channel, the cutting thimble connects cutting
Ejector Retainer Plate, it is reciprocating in the operation channel and cut off that the cutting Ejector Retainer Plate is able to drive the cutting thimble
The mouth of a river.
It optionally, further include the demoulding bottom plate being set to above the cutting Ejector Retainer Plate, setting can on demoulding bottom plate
Product is opened up into the through hole for accommodating the cutting thimble from the demoulding thimble of mold ejection, the demoulding bottom plate；It is described
Cutting Ejector Retainer Plate, which is able to drive the demoulding bottom plate and moves upwards, makes product stripping.
Optionally, resetting apparatus is set between the demoulding bottom plate and the cutting Ejector Retainer Plate, the resetting apparatus makes
Cutting clearance is formed between the demoulding bottom plate and the cutting Ejector Retainer Plate.
Optionally, the resetting apparatus is compressed spring, and the compressed spring setting is opened on the cutting Ejector Retainer Plate
If groove in.
Optionally, the resetting apparatus is to reset thimble, and the reset thimble is through the demoulding bottom plate and the cutting
Ejector Retainer Plate is fixed.
Optionally, the demoulding bottom plate includes the demoulding thimble panel and demoulding thimble bottom plate being mutually permanently connected, described
Limiting slot is opened up on the contact surface of demoulding thimble panel and the demoulding thimble bottom plate, the reset being arranged on the reset thimble is convex
Block is slidably arranged in the limiting slot.
Optionally, the cutting thimble includes with the limit section that is fixedly connected of cutting Ejector Retainer Plate and for cutting
Cutter section, the blade of the cutter section is backwards to product.
Optionally, it is correspondingly arranged on the cutting Ejector Retainer Plate, the demoulding thimble panel and the demoulding thimble bottom plate
Through hole is oriented to by Tuo Si and guide sleeve respectively.
The present invention provides a kind of automatic water gap cutting injection moulding apparatus, including upper die and lower die, upper mold to be mutually matched with lower die
Docking is used for injection heat feed liquid, and upper mold can be separated from each other with lower die, and the product of solidification is taken out.In the inside of lower die, fortune is set
Row of channels runs the channel face mouth of a river, and the setting cutting thimble in operation channel cuts off thimble by operation hoistway limit, and
It can reciprocatingly slide in moving conduit.The bottom connection cutting Ejector Retainer Plate for cutting off thimble, is cut by the driving of cutting Ejector Retainer Plate
Disconnected thimble movement, cuts off and is provided with blade at the top of thimble, the mouth of a river of its face is cut.
After product coagulation forming, drive cutting Ejector Retainer Plate and cutting thimble towards water by other driving devices
Mouth is mobile, and the mouth of a river that will run channel face is cut off, and completes the process of automatic water gap cutting.Whole process is completed in mold,
Separation is had been completed when injecting products are removed, and is not needed manually to cut off, is improved working efficiency；Cut off the movement at the mouth of a river
It is to be completed by cutting thimble, carries out duplicate movement, the amplitude acted every time is identical, it is ensured that the quality of each water dividing gap.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the front view of automatic water gap cutting injection moulding apparatus provided by the invention；
Fig. 2 is the front view of another embodiment of automatic water gap cutting injection moulding apparatus provided by the invention；
Fig. 3 is the top view of automatic water gap cutting injection moulding apparatus provided by the invention；
Fig. 4 is the schematic diagram at support department.
Including:
Upper mold 1, lower die 2, operation channel 21, cutting thimble 3, glissile segment 31, cutter section 32, cutting Ejector Retainer Plate 4, demoulding
Bottom plate 5, demoulding thimble panel 51, demoulding thimble bottom plate 52, limiting slot 53, resetting apparatus 6, demoulding thimble 7, support department 8, guide sleeve
81。
Specific embodiment
Core of the invention is to provide a kind of automatic water gap cutting injection moulding apparatus, and the mouth of a river can be automatically cut off in mold,
Improve production efficiency.
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing and specifically
Embodiment, explanation is described in detail to the automatic water gap cutting injection moulding apparatus of the application.
As shown in Figure 1, being the structure chart of automatic water gap cutting injection moulding apparatus provided by the present application.The device includes 1 He of upper mold
Lower die 2, upper mold 1 and lower die 2 cooperate, and internal mold is made to form a cavity, and for injecting hot material liquid, upper mold 1 can be with
It is opened and is separated with lower die 2, the product after can taking out solidification, product is found in the label A in Fig. 1, Fig. 2 and Fig. 3.Upper mold 1
And/or the operation channel 21 at the inside setting face mouth of a river of lower die 2, operation channel 21 are being run in channel 21 in being vertically arranged
Installation cutting thimble 3, cutting thimble 3 can make upper and lower vertical sliding in operation channel 21, and sliding limit is played in operation channel 21
The effect of position.The top in operation channel 21 extends to below the inlet flow channel on mold, moves up cutting thimble 3 directly
To the cutting mouth of a river.Initial position is moved to still further below after the completion of cutoff action, can be repeated to start to act next time, be recycled with this
Back and forth cut off.
Specifically, the bottom connection cutting Ejector Retainer Plate 4 for cutting off thimble 3, drives cutting top by cutting Ejector Retainer Plate 4
Needle 3 moves back and forth in operation channel 21 to cut off the mouth of a river.Cutting Ejector Retainer Plate 4 plays the role of that cutting thimble 3 is driven to move.
Channel is opened up below entire injection moulding apparatus, driving device connects cutting Ejector Retainer Plate 4 from below, and injection moulding apparatus itself is not set
Dynamic structure is set, drives cutting thimble 3 to act using other driving devices.
After product coagulation forming, cutting Ejector Retainer Plate 4 and cutting 3 direction of thimble are driven by other driving devices
The mouth of a river is mobile, and the mouth of a river for running 21 face of channel is cut off, and whole process does not need manual operations, is only driven by driving device
Move back and forth the process that automatic water gap cutting can be completed.Whole process is completed in mold, when injecting products are removed
Separation is completed, does not need manually to cut off, improves working efficiency；The movement for cutting off the mouth of a river is completed by cutting thimble 3, into
The duplicate movement of row, the amplitude acted every time are identical, it is ensured that the quality of each water dividing gap.
On this basis further, injection moulding apparatus further includes the demoulding bottom plate 5 for being set to 4 top of cutting Ejector Retainer Plate, is taken off
Setting can be by product from the demoulding thimble 7 of mold ejection mold on baffle plate 5.It is opened up described in receiving on demoulding bottom plate 5
The through hole of thimble 3 is cut off, cutting thimble 3, which is inserted into through hole, to be directly fixedly connected with cutting Ejector Retainer Plate 4.It cuts when in use
Disconnected Ejector Retainer Plate 4 is able to drive demoulding bottom plate 5 and moves upwards when moving upwards, thus will by the demoulding thimble 7 being arranged thereon
Product ejection makes product stripping.
More specifically, resetting apparatus 6 is arranged between demoulding bottom plate 5 and cutting Ejector Retainer Plate 4, resetting apparatus 6 makes to demould bottom
Cutting clearance is formed between plate 5 and cutting Ejector Retainer Plate 4, makes to demould bottom plate 5 and cutting Ejector Retainer Plate 4 is mutually isolated, cutting top
Needle bottom plate 4 was just contacted with demoulding bottom plate 5 after moving upwards the distance in gap, and demoulding bottom plate 5 is pushed to move up.Actually make
Cutting thimble 3 is driven to move upwards with cutting Ejector Retainer Plate 4 in the process, is first passed through, the length in general gap is 2~3mm, so that it may
To guarantee that the mouth of a river can be cut off, demoulding bottom plate 5 is pushed to move again after completing rupturing operation, it is complete by product from mold ejection
At the knockout course of product.
Fig. 1 and Fig. 2 respectively indicates two kinds of different setting forms of resetting apparatus 6.As shown in Figure 1, provided in the application
Resetting apparatus 6 be compressed spring, open up groove on cutting Ejector Retainer Plate 4, compressed spring is arranged in a groove, passes through elastic force
Demoulding bottom plate 5 is separated with cutting Ejector Retainer Plate 4.In order to keep the stability of thrust, resetting apparatus 6 need to be arranged four or
More, it is evenly distributed on cutting Ejector Retainer Plate 4, the elastic force at every place can uniformity.
The present invention also provides the set-up modes of another resetting apparatus, as shown in Fig. 2, resetting apparatus 6 is to reset thimble, it is multiple
Through-hole of the position thimble on demoulding bottom plate 5, bottom end are directly fixed with cutting Ejector Retainer Plate 4.It completes on the top for resetting thimble
It is exposed to outside when product stripping, so that cutting Ejector Retainer Plate 4 is returned to bottom by the pressure of another side mold in molding
Initial position.
Specifically, demoulding bottom plate 5 includes the demoulding thimble panel 51 and demoulding thimble bottom plate 52 being mutually permanently connected, the two
Limiting slot 53 is opened up on the contact surface of synchronizing moving, demoulding thimble panel 51 and demoulding thimble bottom plate 52, is resetted and is arranged on thimble
Reset convex block be slidably arranged in limiting slot 53.The height of limiting slot 53 is greater than the thickness for resetting convex block.In device operation,
First passing through cutting Ejector Retainer Plate 4 will cut off after thimble 3 pushes up a distance, then connect with the reset convex block resetted on thimble
It touches, reset thimble is driven to stretch out upwards, play the role of delay and drive, first do cutoff action, then reset thimble is pushed to stretch upwards
Out.
Cutting thimble 3 includes limiting with the limit section 31 that is fixedly connected of cutting Ejector Retainer Plate 4 and for the cutter section 32 of cutting
Position section 31 is identical as the operation geomery in channel 21, makes the entire thimble 3 that cuts off that can only make upper and lower vertical motion.It cuts at top
Knife section 32 can extend into mold, and for the blade of cutter section 32 backwards to product, the notch of product side keeps smooth.
As shown in figure 4, being correspondingly arranged perforation on cutting Ejector Retainer Plate 4, demoulding thimble panel 51 and demoulding thimble bottom plate 52
Hole, support department 8 are sequentially inserted into each through hole, and guide sleeve 81 is set between each component and support department, passes through 8 pairs of cutting thimble bottoms of support department
The movement of plate 4, demoulding thimble panel 51 and demoulding thimble bottom plate 52 is oriented to.Support department 8 is similarly set as four, uniformly exists
It is arranged in four vertex.
It will using the cutting driving cutting thimble 3 of Ejector Retainer Plate 4 using automatic water gap cutting injection moulding apparatus provided by the invention
The mouth of a river of product is cut off.Cutting Ejector Retainer Plate 4 drives demoulding thimble bottom plate 52 and demoulding thimble after moving up a distance again
Panel 51 moves, and makes demoulding thimble that product from mold ejection, is completed product stripping process.Whole process is complete in mold
At having been completed separation when injecting products are removed, not needing manually to cut off, improve working efficiency；Cut off the mouth of a river
Movement is completed by cutting thimble 3, and duplicate movement is carried out, and the amplitude acted every time is identical, it is ensured that each water dividing gap
Quality.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (3)
1. a kind of automatic water gap cutting injection moulding apparatus, including upper mold (1) and lower die (2), which is characterized in that the upper mold (1) and/or
The operation channel (21) at the inside setting face mouth of a river of the lower die (2), the interior sliding setting cutting top of the operation channel (21)
Needle (3), bottom connection cutting Ejector Retainer Plate (4) of cutting thimble (3), the cutting Ejector Retainer Plate (4) are able to drive institute
It is reciprocating in the operation channel (21) and cut off the mouth of a river to state cutting thimble (3)；
It further include the demoulding bottom plate (5) being set to above cutting Ejector Retainer Plate (4), setting can incite somebody to action in demoulding bottom plate (5)
Product opens up the perforation for accommodating cutting thimble (3) from the demoulding thimble (7) of mold ejection, demoulding bottom plate (5)
Hole；The cutting Ejector Retainer Plate (4), which is able to drive the demoulding bottom plate (5) and moves upwards, makes product stripping；
Resetting apparatus (6) are set between the demoulding bottom plate (5) and the cutting Ejector Retainer Plate (4), the resetting apparatus (6) makes
Cutting clearance is formed between the demoulding bottom plate (5) and the cutting Ejector Retainer Plate (4)；
The resetting apparatus (6) is to reset thimble, and the reset thimble is through the demoulding bottom plate (5) and the cutting thimble bottom
Plate (4) is fixed；Demoulding bottom plate (5) includes the demoulding thimble panel (51) and demoulding thimble bottom plate being mutually permanently connected
(52), it is opened up limiting slot (53) on the contact surface of the demoulding thimble panel (51) and the demoulding thimble bottom plate (52), it is described
The reset convex block being arranged on thimble is resetted to be slidably arranged in the limiting slot (53).
2. automatic water gap cutting injection moulding apparatus according to claim 1, which is characterized in that the cutting thimble (3) include with
The limit section (31) that cutting Ejector Retainer Plate (4) is fixedly connected and the cutter section (32) for cutting, the cutter section (32)
Blade backwards to product.
3. automatic water gap cutting injection moulding apparatus according to claim 1, which is characterized in that the cutting Ejector Retainer Plate (4), institute
It states and is correspondingly arranged through hole on demoulding thimble panel (51) and the demoulding thimble bottom plate (52), by support department (8) and lead respectively
Cover (81) guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199707.5A CN106426824B (en) | 2016-12-22 | 2016-12-22 | A kind of automatic water gap cutting injection moulding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199707.5A CN106426824B (en) | 2016-12-22 | 2016-12-22 | A kind of automatic water gap cutting injection moulding apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106426824A CN106426824A (en) | 2017-02-22 |
| CN106426824B true CN106426824B (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611199707.5A Active CN106426824B (en) | 2016-12-22 | 2016-12-22 | A kind of automatic water gap cutting injection moulding apparatus |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968613A (en) * | 2017-12-28 | 2019-07-05 | 苏州固曼特精密机械有限公司 | A kind of automatic water gap cutter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206663710U (en) * | 2016-12-22 | 2017-11-24 | 东莞烨嘉电子科技有限公司 | A kind of automatic water gap cutting injection moulding apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2678301B2 (en) * | 1988-12-14 | 1997-11-17 | スズキ株式会社 | Resin mold |
| CN201264329Y (en) * | 2008-09-12 | 2009-07-01 | 大连銮艺精密模塑制造有限公司 | Plastic mold with insert and undercut |
| CN202180580U (en) * | 2011-08-15 | 2012-04-04 | 苏州金安精密模塑有限公司 | Automatic water gate cutting device |
| CN202200485U (en) * | 2011-08-17 | 2012-04-25 | 苏州汉扬精密电子有限公司 | Shearing mechanism for plastic orifice in mould |
| CN202985948U (en) * | 2012-11-13 | 2013-06-12 | 凡嘉科技（无锡）有限公司 | Mold structure with ejector pin and front mold collided |
| CN203818484U (en) * | 2014-05-27 | 2014-09-10 | 泉州华硕实业有限公司 | Injection mould for automatically cutting injection pouring gate |
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2016
- 2016-12-22 CN CN201611199707.5A patent/CN106426824B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206663710U (en) * | 2016-12-22 | 2017-11-24 | 东莞烨嘉电子科技有限公司 | A kind of automatic water gap cutting injection moulding apparatus |
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| CN106426824A (en) | 2017-02-22 |
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