CN106426824A - Automatic nozzle cutting injection molding device - Google Patents
Automatic nozzle cutting injection molding device Download PDFInfo
- Publication number
- CN106426824A CN106426824A CN201611199707.5A CN201611199707A CN106426824A CN 106426824 A CN106426824 A CN 106426824A CN 201611199707 A CN201611199707 A CN 201611199707A CN 106426824 A CN106426824 A CN 106426824A
- Authority
- CN
- China
- Prior art keywords
- cut
- thimble
- demoulding
- base plate
- cutting
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an automatic nozzle cutting injection molding device. The device comprises an upper mould and a lower mould. A running passageway is arranged in the lower mould and right opposite to a nozzle. A cutting ejector pin is arranged in the running passageway, limited by the running passageway and capable of sliding in the running passageway in a reciprocating mode. The bottom of the cutting ejector pin is connected with a cutting ejector pin base plate, and the cutting ejector pin is driven by the cutting ejector pin base plate to move. A knife edge is arranged at the top of the cutting ejector pin and used for cutting the nozzle right opposite to the knife edge. After a product is formed by solidification, the cutting ejector pin base plate and the cutting ejector pin are driven by another driving device to move towards the nozzle and cut the nozzle right opposite to the running passageway, and the process of automatic nozzle cutting is completed. The whole process is completed in the moulds, separation is completed when the injection molding product is taken out, and manual cutting is not needed, so that working efficiency is improved; and action of cutting the nozzle is completed by the cutting ejector pin, action is repeated, and the amplitude of action every time is the same, and thus quality of cutting the nozzle every time can be guaranteed.
Description
Technical field
The present invention relates to injection mold technical field, further relates to a kind of automatic water gap cutting injection moulding apparatus.
Background technology
The mouth of a river refers to pouring the binding site between simulation time-frame frame and part, is plastics and the runner of transconversion into heat 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
Having become the mouth of a river, needs when using product the product of molding is cut from the mouth of a river.
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 by manual mode, the mouth of a river of product is cut off.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 device that can automatically cut off the mouth of a river how is designed, is mesh
The front technical issues that need to address.
Content of the invention
The present invention provides a kind of automatic water gap cutting injection moulding apparatus, can automatically cut off the mouth of a river, improve production in mould
Efficiency.Concrete scheme is as follows：
A kind of automatic water gap cutting injection moulding apparatus, including upper die and lower die, the inside of the upper mould and/or the lower mould is arranged
Operation passage just to the mouth of a river, slides in the operation passage and arranges cut-out thimble, the bottom connection cut-out of the cut-out thimble
Ejector Retainer Plate, the cut-out Ejector Retainer Plate can drive the cut-out thimble to run reciprocating in passage and cut off described
The mouth of a river.
Alternatively, also include to be arranged at the demoulding base plate above the cut-out Ejector Retainer Plate, arranging on demoulding base plate can
By product from the demoulding thimble of mold ejection, the through hole for accommodating the cut-out thimble on the demoulding base plate, is opened up；Described
Cut-out Ejector Retainer Plate can drive the demoulding base plate to move upwards makes product stripping.
Alternatively, resetting means is set between the demoulding base plate and the cut-out Ejector Retainer Plate, and the resetting means makes
Cutting clearance is formed between the demoulding base plate and the cut-out Ejector Retainer Plate.
Alternatively, the resetting means is compression spring, and the compression spring is arranged on the cut-out Ejector Retainer Plate and opens
If groove in.
Alternatively, the resetting means is reset thimble, the reset thimble through the demoulding base plate and the cut-out
Ejector Retainer Plate is fixed.
Alternatively, the demoulding base plate includes the demoulding thimble panel being mutually permanently connected and demoulding thimble base plate, described
Stopper slot is opened up on the contact surface of demoulding thimble panel and the demoulding thimble base plate, and the reset for arranging on the reset thimble is convex
Block is slidably arranged in the stopper slot.
Alternatively, the cut-out thimble includes spacing section be fixedly connected with the cut-out Ejector Retainer Plate and for cut-out
Cutting knife section, the blade of the cutting knife section dorsad product.
Alternatively, it is correspondingly arranged on the cut-out Ejector Retainer Plate, the demoulding thimble panel and the demoulding thimble base plate
Through hole, is oriented to by Tuo Si and guide pin bushing respectively.
The invention provides a kind of automatic water gap cutting injection moulding apparatus, including upper die and lower die, upper mould is mutually matched with lower mould
Dock for injection heat feed liquid, upper mould can be separated from each other with lower mould, the product of solidification is taken out.In the inside of lower mould, fortune is set
Row of channels, operation passage arranges cut-out thimble just to the mouth of a river in operation passage, cut-out thimble by running hoistway limit, and
Can reciprocatingly slide in moving conduit.The bottom connection cut-out Ejector Retainer Plate of cut-out thimble, is driven by cut-out Ejector Retainer Plate and cuts
The motion of disconnected thimble, the top for cutting off thimble is provided with blade, by its just to the mouth of a river cut.
After product coagulation forming, cut-out Ejector Retainer Plate and cut-out thimble is driven towards water by other driving means
Mouthful mobile, by operation passage just to mouth of a river cut-out, complete the process of automatic water gap cutting.Whole process is completed in mould,
Have been completed when injecting products are removed and separate, it is not necessary to artificial cut-out, improve work efficiency；The action at the cut-out mouth of a river
It is to be completed by cut-out thimble, the action for being repeated, the amplitude of each action is identical, it is ensured that the quality of each water dividing gap.
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
Accompanying drawing to be used needed for technology description is had to be 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, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
The front view of the automatic water gap cutting injection moulding apparatus that Fig. 1 is provided for the present invention；
The front view of another embodiment of automatic water gap cutting injection moulding apparatus that Fig. 2 is provided for the present invention；
The top view of the automatic water gap cutting injection moulding apparatus that Fig. 3 is provided for the present invention；
Fig. 4 is the schematic diagram at support department.
Including：
Upper mould 1, lower mould 2, operation passage 21, cut-out thimble 3, glissile segment 31, cutting knife section 32, the cut-out Ejector Retainer Plate 4, demoulding
Base plate 5, demoulding thimble panel 51, demoulding thimble base plate 52, stopper slot 53, resetting means 6, demoulding thimble 7, support department 8, guide pin bushing
81.
Specific embodiment
The core of the present invention is to provide a kind of automatic water gap cutting injection moulding apparatus, can automatically cut off the mouth of a river in mould,
Improve production efficiency.
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 the automatic water gap cutting injection moulding apparatus of the application.
As shown in figure 1, the structure chart of the automatic water gap cutting injection moulding apparatus for providing for the application.The device includes 1 He of mould
Lower mould 2, upper mould 1 and lower mould 2 cooperate, and make the mould of inside form a cavity, and for injecting hot material liquid, upper mould 1 is permissible
It is opened with lower mould 2 and separates, the product after solidification can be taken out, product is found in the label A in Fig. 1, Fig. 2 and Fig. 3.Upper mould 1
And/or the inside of lower mould 2 arranges the operation passage 21 just to the mouth of a river, operation passage 21 is being run in passage 21 in being vertically arranged
Cut-out thimble 3 is installed, is cut off thimble 3 and can make upper and lower vertical slip in operation passage 21,21, operation passage slides and limits
The effect of position.The top of operation passage 21 is extended to below the inlet flow channel on mould, so that cut-out thimble 3 is moved up directly
To the cut-out mouth of a river.Initial position being moved to still further below after the completion of cut-out action, can repeat to start action next time, be circulated with this
Back and forth cut off.
Specifically, the bottom connection cut-out Ejector Retainer Plate 4 of cut-out thimble 3, drives cut-out top by cutting off Ejector Retainer Plate 4
Pin 3 is moved back and forth to cut off the mouth of a river in operation passage 21.Cut-out Ejector Retainer Plate 4 plays a part of to drive the cut-out motion of thimble 3.
Passage is opened up in the lower section of whole injection moulding apparatus, driving means connect cut-out Ejector Retainer Plate 4 from below, injection moulding apparatus itself do not set
Dynamic structure is put, and cut-out 3 action of thimble is driven using other driving means.
After product coagulation forming, cut-out Ejector Retainer Plate 4 and cut-out 3 direction of thimble is driven by other driving means
The mouth of a river is moved, by operation passage 21 just to mouth of a river cut-out, whole process need not manual operations, only driven by driving means
Move back and forth the process that can complete automatic water gap cutting.Whole process is completed in mould, when injecting products are removed
Separate through completing, it is not necessary to artificial cut-out, improve work efficiency；The action at the cut-out mouth of a river is completed by cut-out thimble 3, is entered
The action that row repeats, the amplitude of each action is identical, it is ensured that the quality of each water dividing gap.
Further on this basis, injection moulding apparatus also include the demoulding base plate 5 for being arranged at 4 top of cut-out Ejector Retainer Plate, take off
Arranging on baffle plate 5 can be by product from the demoulding thimble 7 of mold ejection mould.It is described that receiving is opened up on demoulding base plate 5
The through hole of cut-out thimble 3, cut-out thimble 3 is inserted in through hole and is directly fixedly connected with cut-out Ejector Retainer Plate 4.Using when cut
Disconnected Ejector Retainer Plate 4 can drive demoulding base plate 5 to move upwards when moving upwards, will so as to the demoulding thimble 7 by arranging thereon
Product ejection makes product stripping.
More specifically, arranging resetting means 6 between demoulding base plate 5 and cut-out Ejector Retainer Plate 4, resetting means 6 makes demoulding bottom
Cutting clearance is formed between plate 5 and cut-out Ejector Retainer Plate 4, make demoulding base plate 5 mutually isolated with cut-out Ejector Retainer Plate 4, cut-out top
Pin base plate 4 is just contacted with demoulding base plate 5 after being moved through the distance in gap upwards, promotes demoulding base plate 5 to move up.Actually make
With during, first pass through cut-out Ejector Retainer Plate 4 and drive cut-out thimble 3 to move upwards, the length in general gap is 2～3mm, so that it may
Can be cut off with the guarantee mouth of a river, after rupturing operation is completed, promote demoulding base plate 5 to move again, by product from mold ejection, complete
Become the knockout course of product.
Fig. 1 represents two kinds of different setting forms of resetting means 6 respectively with Fig. 2.As shown in figure 1, provided in the application
Resetting means 6 be compression spring, open up groove on cut-out Ejector Retainer Plate 4, compression spring is arranged in a groove, by elastic force
Demoulding base plate 5 is separated with cut-out Ejector Retainer Plate 4.In order to keep the stability of thrust, resetting means 6 need to arrange four or
More, it is evenly distributed on cut-out Ejector Retainer Plate 4, the elastic force that often locates can uniformity.
The present invention also provides the set-up mode of another kind of resetting means, as shown in Fig. 2 resetting means 6 is reset thimble, multiple
Through hole of the position thimble on demoulding base plate 5, bottom is directly fixed with cut-out Ejector Retainer Plate 4.The top of reset thimble completes
Outside is exposed to during product stripping, makes cut-out Ejector Retainer Plate 4 be returned to bottom in matched moulds by the pressure of another side mold
Initial position.
Specifically, demoulding base plate 5 includes the demoulding thimble panel 51 being mutually permanently connected and demoulding thimble base plate 52, both
Synchronizing moving, opens up stopper slot 53 on the contact surface of demoulding thimble panel 51 and demoulding thimble base plate 52, arrange on reset thimble
Reset projection be slidably arranged in stopper slot 53.The height of stopper slot 53 is more than the thickness of reset projection.In plant running,
First pass through cut-out Ejector Retainer Plate 4 will cut-out thimble 3 upwardly after a segment distance, then connect with reset projection on reset thimble
Touch, drive reset thimble to protrude upward, play a part of time delay drive, cut-out action is first done, then promotes reset thimble to stretch upwards
Go out.
Cut-out thimble 3 includes spacing section 31 be fixedly connected and the cutting knife section 32 for cutting off, limit with cut-out Ejector Retainer Plate 4
Position section 31 is identical with the geomery for running passage 21, makes entirely to cut off thimble 3 and can only make upper and lower vertical motion.The cutting of top
Knife section 32 is can extend in the middle of mould, the blade of cutting knife section 32 dorsad product, and the otch of product side keeps smooth.
As shown in figure 4, being correspondingly arranged insertion on cut-out Ejector Retainer Plate 4, demoulding thimble panel 51 and demoulding thimble base plate 52
Hole, support department 8 is sequentially inserted into each through hole, is set with guide pin bushing 81 between each part and support department, by 8 pairs of cut-out thimble bottoms of support department
Plate 4, the motion of demoulding thimble panel 51 and demoulding thimble base plate 52 are oriented to.Support department 8 is similarly set to four, uniformly exists
It is arranged at four drift angles.
The automatic water gap cutting injection moulding apparatus for being provided using the present invention, drive cut-out thimble 3 using cut-out Ejector Retainer Plate 4, will
The mouth of a river cut-out of product.Cut-out Ejector Retainer Plate 4 drives demoulding thimble base plate 52 and demoulding thimble after moving up a segment distance again
Panel 51 moves, and makes demoulding thimble by product from mold ejection, completes product stripping process.Whole process is complete in mould
Become, have been completed when injecting products are removed and separate, it is not necessary to artificial cut-out, improve work efficiency；The cut-out mouth of a river
Action is completed by cut-out thimble 3, the action for being repeated, and the amplitude of each action is identical, it is ensured that each water dividing gap
Quality.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
Multiple modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle, can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, this
Bright 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. a kind of automatic water gap cutting injection moulding apparatus, including upper mould (1) and lower mould (2), it is characterised in that upper mould (1) and/or
The inside of lower mould (2) arranges the operation passage (21) just to the mouth of a river, slides and arrange cut-out top in operation passage (21)
Pin (3), bottom connection cut-out Ejector Retainer Plate (4) of cut-out thimble (3), cut-out Ejector Retainer Plate (4) can drive institute
State cut-out thimble (3) to run reciprocating in passage (21) and cut off the mouth of a river described.
2. automatic water gap cutting injection moulding apparatus according to claim 1, it is characterised in that also include to be arranged at the cut-out top
Demoulding base plate (5) above pin base plate (4), demoulding base plate (5) is upper, and arrange can be by product from the demoulding thimble of mold ejection
(7) through hole for accommodating cut-out thimble (3) is opened up on, described demoulding base plate (5)；Cut-out Ejector Retainer Plate (4) can
Driving demoulding base plate (5) to move upwards makes product stripping.
3. automatic water gap cutting injection moulding apparatus according to claim 1 and 2, it is characterised in that demoulding base plate (5) and institute
State between cut-out Ejector Retainer Plate (4) and resetting means (6) is set, resetting means (6) make demoulding base plate (5) to cut with described
Cutting clearance is formed between disconnected Ejector Retainer Plate (4).
4. automatic water gap cutting injection moulding apparatus according to claim 3, it is characterised in that described resetting means (6) are compression
Spring, the compression spring is arranged in the groove that open up on cut-out Ejector Retainer Plate (4).
5. automatic water gap cutting injection moulding apparatus according to claim 3, it is characterised in that described resetting means (6) are for resetting
Thimble, the reset thimble is fixing with cut-out Ejector Retainer Plate (4) through demoulding base plate (5).
6. automatic water gap cutting injection moulding apparatus according to claim 5, it is characterised in that described demoulding base plate (5) include phase
The demoulding thimble panel (51) being mutually fixedly connected and demoulding thimble base plate (52), demoulding thimble panel (51) and the demoulding
Stopper slot (53) is opened up on the contact surface of Ejector Retainer Plate (52), and the reset projection for arranging on the reset thimble is slidably arranged in institute
State in stopper slot (53).
7. automatic water gap cutting injection moulding apparatus according to claim 3, it is characterised in that cut-out thimble (3) include with
Spacing section (31) and the cutting knife section (32) for cutting off that cut-out Ejector Retainer Plate (4) is fixedly connected, cutting knife section (32)
Blade dorsad product.
8. automatic water gap cutting injection moulding apparatus according to claim 3, it is characterised in that cut-out Ejector Retainer Plate (4), institute
State on demoulding thimble panel (51) and the demoulding thimble base plate (52) and through hole is correspondingly arranged, by support department (8) and lead respectively
Set (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 true CN106426824A (en) | 2017-02-22 |
| CN106426824B CN106426824B (en) | 2019-06-04 |
Family
ID=58215477
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106426824B (en) |
Cited By (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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02160523A (en) * | 1988-12-14 | 1990-06-20 | Suzuki Motor Co Ltd | 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 |
| 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 |
-
2016
- 2016-12-22 CN CN201611199707.5A patent/CN106426824B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02160523A (en) * | 1988-12-14 | 1990-06-20 | Suzuki Motor Co Ltd | 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 |
| 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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN106426824B (en) | 2019-06-04 |
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