CN106182631B - Electric core extracting stripper apparatus - Google Patents
Electric core extracting stripper apparatus Download PDFInfo
- Publication number
- CN106182631B CN106182631B CN201610717607.0A CN201610717607A CN106182631B CN 106182631 B CN106182631 B CN 106182631B CN 201610717607 A CN201610717607 A CN 201610717607A CN 106182631 B CN106182631 B CN 106182631B
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- Prior art keywords
- aforementioned
- wheel
- wheel shaft
- gear
- core
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of electric core extracting stripper apparatus, it is characterised in that including motor, transmission case, transmission mechanism and core pulling, the both sides of aforementioned drive case, which extend outwardly, is provided with key way, and aforementioned transmission mechanism includes worm screw, the first wheel shaft, the second wheel shaft and chain.First wheel shaft upper end is formed with the worm gear being driven with aforementioned worm engaging, and lower end has an output gear；Second wheel shaft can be rotatably arranged on aforementioned transmission case, and the upper end of each second wheel shaft is equipped with an input gear, and lower end is equipped with a sprocket wheel, aforementioned two input gear engaged transmissions, also, the input gear of one of them is engaged with aforementioned output gear.Compared with prior art, the advantage of the invention is that：The flexibility in core pulling path can be achieved, meet arc-shaped core pulling；The installation space of core-pulling demolding device mould inside can be saved, reduces the size of mold body.
Description
Technical field
The present invention relates to a kind of stripper apparatus of injection mold.
Background technology
When injection moulding side wall with hole, depression when plastic article when, the part shaped at this on mold must just make
Into laterally displaceable part, so that lateral formation of parts can be taken out when demolished.Drive lateral formation of parts
The entire mechanism for making to be displaced sideways is known as pulled core structure.
Traditional core pulling mode mainly has several core pulling modes such as inclined guide pillar core pulling, rack-and-pinion core pulling, hydraulic core_pulling.
Inclined guide pillar core pulling provides Core-pulling force using more, with die casting machine, and overall structure is simple, is relatively more suitable for medium and small
The core pulling of core can specifically be disclosed with the Chinese invention patent application that application reference number is 200810063178.5《One kind can be achieved
Dynamic, cover half demoulding transversal loose core mechanism》(publication number：CN101352914A)；It can also application No. is 201310241062.7
Chinese invention patent application disclose《Core_pulling demoulding combined unit》(publication number：CN103273625A).
Rack-and-pinion core pulling is the driving rack by being fixed on dynamic model or cover half, the center tooth inside driven mold
Wheel rotation, intermediate gear rotation drive the movement of rack core, realize core pulling.Rack-and-pinion core pulling can realize various core pulling angles
With the core pulling of certain core pulling distance, and certain arc-shaped core pulling can be realized.The deficiency of rack-and-pinion core pulling is to use equipment
Knockout press carries out core pulling, and core pulling distance is limited to equipment stripping stroke.Simultaneously as it needs that driving rack is installed in mold, pass
Moving gear makes mould inside complicatedization, enlargement.During this kind of document can be 201110446602.6 with application reference number
State's invention patent application publication《Plastic bend tube mold gear rack core-drawing demoulding mechanism》(publication number：CN102514156A).
Hydraulic core_pulling uses the hydraulic power that hydraulic station provides, and directly core is driven to move by hydraulic cylinder, realizes core pulling,
Hydraulic core_pulling Core-pulling distance is big, and core pulling is steady.Hydraulic cylinder loosing core is disadvantageous in that the additional setting hydraulic station of needs, mold periphery
Facility is more, is limited to the size and structure of hydraulic cylinder, it is difficult to realize arc-shaped core pulling, moreover the run duration of oil cylinder core-pulling mechanism point
Not after mold die sinking before product abjection and before product abjection rear mold molding, the molding cycle of product is increased.Pertinent literature
It can be disclosed with the Chinese invention patent application that application reference number is 200910098968.1《A kind of seal groove of small pipe fitting position it is interior
Core_pulling demoulding structure》(publication number：CN101890773A), the China that can be 201320718380.3 with referenced patent number is practical
New patent《Sliding block for secondary core_pulling demoulding structure》(publication number：CN203580034U).
Invention content
The technical problems to be solved by the invention be for the above-mentioned state of the art and provide one kind can realize arc take out
The electric core extracting stripper apparatus of core.
Another technical problem to be solved by this invention is to provide a kind of accurate electric core extracting stripper apparatus of control.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of electric core extracting stripper apparatus, feature
It is to include motor, transmission case, transmission mechanism and core pulling, the both sides of aforementioned drive case, which extend outwardly, is provided with key way, aforementioned
Transmission mechanism includes
Worm screw, set on the power output end of aforementioned motor；
First wheel shaft can be rotatably arranged on aforementioned transmission case and upper end and be formed with the snail being driven with aforementioned worm engaging
Wheel, lower end have an output gear；
Second wheel shaft for spaced apart two side by side and can be rotatably arranged on aforementioned transmission case, each second
The upper end of wheel shaft is equipped with an input gear, and lower end is equipped with a sprocket wheel, aforementioned two input gears engaged transmission, also, wherein
One of input gear engaged with aforementioned output gear；
Chain, extends through aforementioned key way and one end and the gear teeth of aforementioned first sprocket wheel are drivingly connected, the other end with it is aforementioned
Core pulling connection, the chain by multiple chain links head and the tail be flexibly connected, each chain link on both sides of the middle is equipped with idler wheel, should
The gap of the gear teeth insertion for sprocket wheel is formed between the side of idler wheel and chain link.
To realize accurate control, core pulling quality is improved, which includes controller, signal wheel and angular transducer, aforementioned
The control output end of controller is connect with motor, and aforementioned signal wheel is set on the power output end of motor and is rotated synchronously with worm screw,
Aforementioned angular transducer is set on transmission case and close to signal wheel arrangement, the signal output end of aforementioned angular sensor and control
The control signal connection of device.
Further, first wheel shaft and the second wheel shaft both ends are equipped with rolling bearing.
Compared with prior art, the advantage of the invention is that：All it is flexible connection between chain link, can be bent, therefore can be real
The flexibility in existing core pulling path, meets arc-shaped core pulling；Entire electric core extracting stripper apparatus only has chain to be mounted on mould inside, because
This can save the installation space of core-pulling demolding device mould inside, reduce the size of mold body；Core-pulling demolding device length
It is not limited by equipment stripping stroke, can realize the core pulling length of bigger；Operation is not limited by hydraulic oil pressure, passes through circuit control
System, operation is more steady, realizes precise time, distance, speed control, improves core pulling surface quality, improves product competitiveness.
Description of the drawings
Fig. 1 is motor and transmission case combining structure schematic diagram in embodiment.
Fig. 2 is chain and the combining structure schematic diagram of core pulling in embodiment.
Fig. 3 is the enlarged diagram of single chain link in Fig. 2.
Fig. 4 is the structure diagram after removal transmission case in Fig. 1.
Fig. 5 is the second wheel shaft, sprocket wheel and input gear decomposition assembly drawing in Fig. 4.
Fig. 6 is another viewing angle constructions schematic diagram of the first wheel shaft and motor in Fig. 4.
Fig. 7 is injection molding product structure schematic diagram.
Fig. 8 is embodiment use state reference chart.
Structure diagram when Fig. 9 is embodiment core pulling.
Structure diagram when Figure 10 is resetted for embodiment.
Figure 11 is embodiment circuit control principle figure.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
As shown in fig. 1~fig. 5, electric core extracting stripper apparatus includes motor 1, transmission case 2, transmission mechanism 100, core pulling 7, control
Device 101 (see Fig. 8) processed, signal wheel 11 and angular transducer 8, the both sides of transmission case 2, which extend outwardly, is provided with key way 21, this implementation
Key way 21 in example is linear.
Transmission mechanism 100 includes worm screw 3, the first wheel shaft 4, the second wheel shaft 5 and chain 6, and worm screw 3 is set on the power of motor 1
Output terminal；First wheel shaft 4 can be rotatably arranged on transmission case 2 and upper end and be formed with worm gear 41 with the engaged transmission of worm screw 3, lower end
With an output gear 42；Second wheel shaft 5 is spaced apart two side by side and can be rotatably arranged on transmission case 2, each
The upper end of second wheel shaft 5 is equipped with an input gear 51, and lower end is equipped with a sprocket wheel 52, two input gears, 51 engaged transmission, also,
The input gear 51 of one of them is engaged with output gear 42；First wheel shaft 4 and 5 both ends of the second wheel shaft are equipped with rolling bearing
53。
Chain 6 extends through key way 21 and one end and the gear teeth of the first sprocket wheel 52 are drivingly connected, and the other end connects with core pulling 7
It connects, chain 6 is flexibly connected from beginning to end by multiple chain links 61, and each 61 on both sides of the middle of chain link is equipped with idler wheel 62, the idler wheel 62
Side and chain link 61 between be formed with for sprocket wheel 52 the gear teeth insertion gap.The movement of chain 6 receives the limitation of key way 21,
Key way 21 in the present embodiment is linear.
The control output end of controller 101 is connect with motor 1, and signal wheel 11 is set on the power output end of motor 1 and and snail
Bar 3 rotates synchronously, and angular transducer 8 is set on transmission case 2 and is arranged close to signal wheel 11, the signal output of angular transducer 8
End is connect with the control signal of controller 101.
Fig. 7 is injecting products 102, and two electric core extracting stripper apparatus are needed during core pulling, are respectively arranged on 103 both sides of mold
(as shown in Figure 8).Two electric core extracting stripper apparatus are simultaneously operating and driving.It is said for one of them below
It is bright.
With reference to shown in Fig. 9 and Figure 11, in the core pulling stage, controller 101 exports a backward voltage V3 to motor 1, motor 1
It rotates clockwise, worm screw 3 is driven to rotate clockwise, worm gear 41 is driven to rotate, worm gear 41 drives 52 turns of input gear 51 and sprocket wheel
Dynamic, sprocket wheel 52 is contacted with the idler wheel 62 of chain link 61, and drives the outward movment one by one of chain link 61, and chain link 61 is driven and taken out by transmission
7 outward movment of core.Since the movement of chain link 61 is limited by key way 21.Chain link 61 can make flat motion along the shape of key way 21
Or circular motion.
With reference to shown in Figure 10 and Figure 11, in 7 reseting stage of core pulling, controller 101 exports a forward voltage V1 to motor
1,1 counterclockwise movement of motor, correspondingly, worm screw 3, worm gear 41, sprocket wheel 52 is driven to rotate successively, sprocket wheel 52 drives chain link 61 inside
Movement, since the movement of chain link 61 is limited by key way 21, chain link 61 can push each chain successively along the shape of key way 21
61 inward movements are saved, it is final that core pulling 7 is pushed to reset.
In injection phase, controller 101 exports a relatively small forward voltage V2 to motor 1, and V2 here is less than V1
And V3, motor 1 generate a torque counterclockwise, which is driven by transmission mechanism 100, finally makes chain link 61 successively inside
It compresses, the final function of compressing core pulling 7 and realize locking.
In each stage, controller 101 calculates 1 rotational angle of motor by angular transducer 8, by the angle, calculates
The physical location of core pulling 7.The final accurate control realized core pulling and resetted.
Claims (3)
1. a kind of electric core extracting stripper apparatus, it is characterised in that including motor, transmission case, transmission mechanism and core pulling, aforementioned drive
The side of case, which extends outwardly, is provided with key way, and aforementioned transmission mechanism includes
Worm screw, set on the power output end of aforementioned motor；
First wheel shaft can be rotatably arranged on aforementioned transmission case and upper end and be formed with the worm gear being driven with aforementioned worm engaging,
Lower end has an output gear；
Second wheel shaft for spaced apart two side by side and can be rotatably arranged on aforementioned transmission case, each second wheel shaft
Upper end be equipped with an input gear, lower end is equipped with a sprocket wheel, aforementioned two input gears engaged transmission, also, one of them
Input gear engaged with aforementioned output gear；
Chain, extends through aforementioned key way and one end and the gear teeth of aforementioned sprocket wheel are drivingly connected, and the other end connects with aforementioned core pulling
It connecing, the chain is flexibly connected by multiple chain links head and the tail, and each chain link on both sides of the middle is equipped with idler wheel, and the one of the idler wheel
The gap of the gear teeth insertion for sprocket wheel is formed between side and chain link.
2. electric core extracting stripper apparatus according to claim 1, it is characterised in that the device include controller, signal wheel and
Angular transducer, the control output end of aforementioned controllers are connect with motor, and aforementioned signal wheel is set on the power output end of motor simultaneously
It is rotated synchronously with worm screw, aforementioned angular transducer is set on transmission case and is arranged close to signal wheel, aforementioned angular sensor
The control signal of signal output end and controller connects.
3. electric core extracting stripper apparatus according to claim 1, it is characterised in that first wheel shaft and the second wheel shaft
Both ends are equipped with rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717607.0A CN106182631B (en) | 2016-08-20 | 2016-08-20 | Electric core extracting stripper apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717607.0A CN106182631B (en) | 2016-08-20 | 2016-08-20 | Electric core extracting stripper apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106182631A CN106182631A (en) | 2016-12-07 |
| CN106182631B true CN106182631B (en) | 2018-06-15 |
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ID=57524424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610717607.0A Active CN106182631B (en) | 2016-08-20 | 2016-08-20 | Electric core extracting stripper apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106182631B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3065388B1 (en) * | 2017-04-25 | 2020-06-26 | Faurecia Interieur Industrie | EJECTION DEVICE FOR MOLD COMPRISING A SLIDING LINK CHAIN CONNECTED BY CONNECTING ELEMENTS |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013119186A (en) * | 2011-12-07 | 2013-06-17 | Sakaguchi Seisakusho:Kk | Method of manufacturing curved pipe, and device for the same |
| CN104960161A (en) * | 2015-07-14 | 2015-10-07 | 季音 | Special core-pulling mechanism for large-angle arc elbow |
| CN105034271A (en) * | 2015-07-14 | 2015-11-11 | 季音 | Elbow injection mold |
-
2016
- 2016-08-20 CN CN201610717607.0A patent/CN106182631B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013119186A (en) * | 2011-12-07 | 2013-06-17 | Sakaguchi Seisakusho:Kk | Method of manufacturing curved pipe, and device for the same |
| CN104960161A (en) * | 2015-07-14 | 2015-10-07 | 季音 | Special core-pulling mechanism for large-angle arc elbow |
| CN105034271A (en) * | 2015-07-14 | 2015-11-11 | 季音 | Elbow injection mold |
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| Publication number | Publication date |
|---|---|
| CN106182631A (en) | 2016-12-07 |
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