CN108068276A - One kind is used for dual-color forming double-slider extracting core assembly mechanism - Google Patents
One kind is used for dual-color forming double-slider extracting core assembly mechanism Download PDFInfo
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- CN108068276A CN108068276A CN201611026159.6A CN201611026159A CN108068276A CN 108068276 A CN108068276 A CN 108068276A CN 201611026159 A CN201611026159 A CN 201611026159A CN 108068276 A CN108068276 A CN 108068276A
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- China
- Prior art keywords
- slider body
- housing
- take
- sliding block
- dual
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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
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses one kind for dual-color forming double-slider extracting core assembly mechanism, belong to injection mold technology.It includes the first color molding assembly and the second color molding assembly.First left slider body and the first right slider body are set on the first take-up housing, second left slider body and the second right slider body are set on the second take-up housing, such structure is convenient for carrying out injection molding for mirror image product, it is especially insufficient in working space, the trouble of two molds need to be processed for mirror image product by avoiding, interchangeability is good, while saves manufacture cost.It is realized with the good contact of slider body both sides without colliding by slack adjuster, is adjusted convenient for staff with mould, replaced convenient for ordinary maintenance.By the way that sliding block is set to reverse device, core pulling driving is carried out to the respective slide body for being used to be molded the first color product, avoid due to cooling, relative motion and the defects of the closing line that occurs is too deep, plucking, ensure the quality of product.
Description
Technical field
It is particularly a kind of to be used for dual-color forming double-slider extracting core assembly mechanism the present invention relates to injection mold technology.
Background technology
With the continuous development of Tool and Die Technology, more and more advanced and reliable structures are used, and are particularly existed
After the maturation of double-colored product injection molding technology.When having back-off in product, the design of side action sliders increasingly tends to be complicated, design
Difficulty is higher and higher.The cooperation of common sliding block and inclined guide pillar can not meet the forming requirements of double-colored product, due to commonly sliding
Block needs to move twice, and unavoidable defect can be so caused to product.
For this purpose, being attempted to find more structurally sound dual-color forming structure, double-colored product needs are a kind of to be molded the first color
When product rear mold molds, the structure is stationary, and after the completion of the injection of the second color product, core pulling action is completed just now.This
The structure of sample can ensure the quality of product, be unlikely to during generating due to cooling, relative motion etc. and what is occurred connect
The defects of zygonema is too deep, plucking.At present, many structures can realize the action, such as be controlled using oil cylinder, shifting block mechanism, but
Specific requirement can not all be fully met.
MISUMI companies disclose a kind of dual-color forming side action sliders component, which can realize above-mentioned function,
This device limits the position of slider body by dialling pearl, leads to stops by butterfly to realize cunning by facilitating the form of lifting
Recover the position of block body.But the structure is not designed with lash adjusting device, thus can not obtain accurate cooperation, and interchangeability is not
It is good.And for mirror image product, need to individually process two sets of corresponding assemblies could meet the requirement of mirror images mold, this to be processed into
Originally become higher.Meanwhile can not meet the requirements of some /Vs for the dynamics for dialling pearl of /V, force that some /Vs occur is undesirable
Situation.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of for dual-color forming double-slider core pulling
Components mechanism.The present invention is slided by setting the first left slider body and the first right slider body on the first take-up housing second
Second left slider body and the second right slider body are set on block, and such structure is convenient for being molded into for mirror image product
Type, it is especially insufficient in working space, avoid the trouble that two molds need to be processed for mirror image product, interchangeability
It is good, while save manufacture cost.It is realized with the good contact of slider body both sides without colliding, is convenient for by slack adjuster
Staff adjusts with mould, is replaced convenient for ordinary maintenance.Restricted positioner is assembled on first take-up housing, the second take-up housing,
Realize that the positioning of the limitation to slider body controls core pulling stroke simultaneously.By the way that sliding block is set to reverse device, when realizing mold die sinking,
To be used for be molded the first color product respective slide body carry out core pulling driving, avoid due to cooling, relative motion and occur
The defects of closing line is too deep, plucking ensures the quality of product.
To achieve the above object, the present invention uses following technical proposals：One kind is used for dual-color forming double-slider extracting core assembly
Mechanism, it includes the first color molding assembly and the second color molding assembly；
First color molding assembly is included in the first take-up housing that upper surface offers slideway, the slideway of first take-up housing
Interior left end and right end are respectively fitted with the first left slider body and the first right slider body, the first left slider body and the
The first sliding block inclined is provided between one right slider body to carve；Between the first left slider body and the first sliding block inclined are carved and
One right slider body and the first sliding block inclined are both provided with slack adjuster between carving；The left end of the first take-up housing middle slideway
Limitation positioner is both provided with right end, and /V is carried out to the first left slider body and the first right slider body respectively；
Second color molding assembly is included in the second take-up housing that upper surface offers slideway, the slideway of second take-up housing
Interior left end and right end are respectively fitted with the second left slider body and the second right slider body, the second left slider body and the
The second sliding block inclined is provided between two right slider bodies to carve；Between the second left slider body and the second sliding block inclined are carved and
Two right slider bodies and the second sliding block inclined are both provided with slack adjuster between carving；The left end of the second take-up housing middle slideway
Limitation positioner is both provided with right end, and /V is carried out to the second left slider body and the second right slider body respectively；Described
The left end of two take-up housing upper surfaces is both provided with sliding block with right end and reverses device.
Preferably, the slack adjuster includes adjusting screw and the adjusting gasket being assemblied in adjusting screw.
Preferably, the limitation positioner includes spring and /V thimble, and the spacing top needle set, which has, places spring
Spring spool and the banking stop for being arranged on spring spool top.
Preferably, the sliding block reverses device and includes cover board, leaf spring and slide plectrum；The slip plectrum both sides have to
Lower extension and to the second inclined rake in take-up housing direction, the first left slider body, the first right slider body, second
The inclined surface being adapted with sliding plectrum upper inclined portion is both provided on left slider body, the second right slider body；The slip
Plectrum is arranged on the second take-up housing, and leaf spring, which is arranged on, slides plectrum upper end, and the cover board is arranged on leaf spring upper end and passes through spiral shell
Nail is connected with the second take-up housing.
Preferably, the rake lower end inside for sliding plectrum per side offers the asymmetry with certain gradient and falls
Angle.
Preferably, the gradient of the asymmetric chamfering is 3 °.
Preferably, first sliding block inclined is carved, the second sliding block inclined is carved and is connected by multiple upper attachment screws with dynamic model, institute
The first take-up housing, the second take-up housing is stated to be connected with cover half by multiple lower attachment screws.
The beneficial effects of the invention are as follows：
The present invention on the first take-up housing by setting the first left slider body and the first right slider body, in the second sliding block
Second left slider body and the second right slider body are set on seat, such structure is convenient for carrying out injection molding for mirror image product,
It is especially insufficient in working space, the trouble that two molds need to be processed for mirror image product is avoided, interchangeability is good, together
Time is about manufactured into this.It is realized by slack adjuster with the good contact of slider body both sides without colliding, convenient for work
Personnel adjust with mould, are replaced convenient for ordinary maintenance.Restricted positioner is assembled on first take-up housing, the second take-up housing, is realized
Core pulling stroke is controlled simultaneously to the limitation positioning of slider body.Reverse device by setting sliding block, when realizing mold die sinking, to
Core pulling driving is carried out in the respective slide body for being molded the first color product, is avoided due to cooling, relative motion and the engagement occurred
The defects of line is too deep, plucking ensures the quality of product.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the assembling schematic diagram of slack adjuster；
Fig. 3 is the assembling schematic diagram for limiting positioner；
Fig. 4 is the assembling schematic diagram of the limitation positioner not comprising the first take-up housing in Fig. 3；
Fig. 5 is the assembling schematic diagram that sliding block reverses device；
Fig. 6 is Fig. 5 cover plates, leaf spring, the rigging position relation schematic diagram for sliding plectrum；
Fig. 7 is the front view of Fig. 6；
First color molding assembly 1, the first left slider body 101a, the first right slider body 101b, the first sliding block inclined are carved
102nd, adjusting gasket 103, adjusting screw 104, spring 106, /V thimble 107, the first take-up housing 108, cover board 111, leaf spring
112nd, plectrum 113, upper attachment screw 116, lower attachment screw 120, the second color molding assembly 2, the second left slider body are slided
201a, the second right slider body 201b, the second sliding block inclined carve the 202, second take-up housing 208.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figures 1 to 7, a kind of for dual-color forming double-slider extracting core assembly mechanism, it includes the first color shaping group
1 and second color molding assembly 2 of part；
First color molding assembly 1 is included in the first take-up housing 108 that upper surface offers slideway, first take-up housing
Left end in 108 slideway is respectively fitted with the right slider body 101b of the first left slider body 101a and first with right end, described
The first sliding block inclined, which is provided with, between the right slider body 101b of first left slider body 101a and first carves 102；The first left cunning
Between block body 101a and the first sliding block inclined carve 102 and the first right slider body 101b and the first sliding block inclined carve 102 between
It is provided with slack adjuster；The left end of first take-up housing, 108 middle slideway is both provided with limitation positioner point with right end
Other slider body 101b right to the first left slider body 101a and first carries out /V；
Second color molding assembly 2 is included in the second take-up housing 208 that upper surface offers slideway, second take-up housing
Left end in 208 slideway is respectively fitted with the right slider body 201b of the second left slider body 201a and second with right end, described
The second sliding block inclined, which is provided with, between the right slider body 201b of second left slider body 201a and second carves 202；The second left cunning
Between block body 201a and the second sliding block inclined carve 202 and the second right slider body 201b and the second sliding block inclined carve 202 between
It is provided with slack adjuster；The left end of second take-up housing, 208 middle slideway is both provided with limitation positioner point with right end
Other slider body 201b right to the second left slider body 201a and second carries out /V；Second take-up housing, 208 upper surface
Left end is both provided with sliding block with right end and reverses device.
At work, the first color molding assembly 1 and the second color molding assembly 2 are set up in parallel the present invention, the first take-up housing 108
It is assemblied in the second take-up housing 208 on stationary mould for mould, the first sliding block inclined, which carves 102 and with the second sliding block inclined carves 202 and be assemblied in mold, to be moved
On mould, when being molded the first color product, mold clamping during the first sliding block inclined carves 102 pushings, drives the first left slider body
101a and the first right slider body 101b are protruding, by the limitation positioner of 108 middle slideway of the first take-up housing to first
The right slider body 101b of left slider body 101a and first are positioned, then to the first color product injection molding.First color produces
After product shaping, the first left slider body 101a is fixed under the action of positioner is limited, and mold die sinking, dynamic model rotates
It 180 ° and molding so that the second sliding block inclined carves the 202 and first left slider body 101a, the first right slider body 101b coordinates, the
One sliding block inclined carves the 102 and second left slider body 201a, the second right slider body 201b coordinates, and drives its protruding, then
Carry out the second color formed product, the first left slider body 101a and the first right slider body in period the first color molding assembly 1
101b is remained stationary, and is avoided since closing line is too deep caused by cooling, relative motion etc., plucking the defects of.Second
After color formed product, mold molds, the first left slider body 101a and the first right slider body in the first color molding assembly 1
101b inwardly retracts under the action of 208 upper surface left end of the second take-up housing reverses device with the sliding block on right end, completes core pulling
Action, makes product be ejected in no back-off, obtains shaping required product.First take-up housing 108, the second take-up housing 208,
First sliding block inclined carves the 102, second sliding block inclined and carves 202 using front lifting, facilitates the dismounting of staff.The present invention can realize
Core-pulling function of reliable dual-color forming, particular for automobile die mould emptier of the core pulling stroke within 10mm.
On the basis of above-mentioned technical proposal, the slack adjuster includes adjusting screw 104 and is assemblied in adjusting spiral shell
Adjusting gasket 103 on nail 104.So set, by taking the first color molding assembly 1 as an example, the first left slider body 101a and first
Sliding block inclined is carved on the inclined-plane of 102 joints, the first right slider body 101b and the first sliding block inclined are carved on the inclined-plane of 102 joints
Offer to assemble the threaded hole of adjusting screw 104, adjusting screw 104 is assemblied in the threaded hole, adjustment assembly during use
There is the position of the adjusting screw 104 of adjusting gasket 103, and then the first sliding block inclined of adjustment carves the gap between 102 and slider body, protects
The contact of both cards is good, and replaceability is good, interchangeability can be achieved in long term wear, ensure formed in mould essence
Degree meets staff and adjusts needs with mould.
On the basis of above-mentioned technical proposal, the limitation positioner includes spring 106 and /V thimble 107, the limit
Position thimble 107 has the spring spool for placing spring 106 and the banking stop for being arranged on spring spool top.So set, with
Exemplified by first color molding assembly 1, open up to place the through hole and dress of /V thimble 107 in the slideway of the first take-up housing 108
With /V thimble 107, multiple limiting cards are opened up on the bottom surface of the right slider body 101b of the first left slider body 101a and first
Slot is controlled the stressing conditions of spring 106 by the control mechanism on cover half, and then controls the banking stop card of /V thimble 107
Enter into corresponding limit card slot, realize that the limitation for the first left slider body 101a and the first right slider body 101b is determined
Position, compared to pearl structure is dialled, this structure is more reliability and durability.
On the basis of above-mentioned technical proposal, the sliding block, which reverses device, to be included cover board 111, leaf spring 112 and slides plectrum
113；It is described slide plectrum 113 both sides have it is extending downwardly and to the inclined rake in 208 direction of the second take-up housing, described the
It is one left slider body 101a, the first right slider body 101b, the second left slider body 201a, equal on the second right slider body 201b
It is provided with the inclined surface being adapted with sliding 113 upper inclined portion of plectrum；The slip plectrum 113 is arranged on the second take-up housing 208
On, leaf spring 112, which is arranged on, slides 113 upper end of plectrum, and the cover board 111 is arranged on 112 upper end of leaf spring and passes through screw and second
Take-up housing 208 connects.So set, exemplified by being molded the first color product, mold clamping during shaping, in the process dynamic model push and lid
Plate 111 contacts and cover board 111 is driven to move, and compression leaf spring 112 deforms upon while causes to slide 113 slide downward of plectrum,
Rake comes into full contact with the inclined surface on respective slide body.After the completion of shaping, mold die sinking, dynamic model uplink, leaf spring 112 loses
The compressing of cover board 111 is gone to recover deformation, slide 113 upward sliding of plectrum in the process and passes through its rake to respective slide body
Apply thrust, slider body is caused inwardly to retract, complete core pulling operation.
On the basis of above-mentioned technical proposal, the rake lower end inside for sliding plectrum 113 per side is offered with one
The asymmetric chamfering of constant inclination gradient.So set, it is carried out convenient for sliding inclined surface when plectrum 113 glides with respective slide body
Cooperation, the slip plectrum 113 when being caught in that avoids gliding collides with respective slide body, to sliding plectrum 113 and slider body
It damages.
On the basis of above-mentioned technical proposal, the gradient of the asymmetry chamfering is 3 °.So set, convenient for sliding block plectrum
113 be caught in, meets actual use needs.
On the basis of above-mentioned technical proposal, first sliding block inclined carves the 102, second sliding block inclined and carves 202 by multiple
Attachment screw 116 is connected with dynamic model, and first take-up housing 108, the second take-up housing 208 pass through multiple lower attachment screws 120
It is connected with cover half.So set, being connected firmly, guidance quality is strong, convenient for the repair of later stage mold and the replacement of component, during saving
Between, meet actual use needs.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (7)
1. one kind is used for dual-color forming double-slider extracting core assembly mechanism, it is characterised in that：It include the first color molding assembly (1) and
Second color molding assembly (2)；
First color molding assembly (1) is included in the first take-up housing (108) that upper surface offers slideway, first take-up housing
(108) the left end in slideway is respectively fitted with the first left slider body (101a) and the first right slider body with right end
(101b) is provided with the first sliding block inclined between the first left slider body (101a) and the first right slider body (101b) and carves
(102)；The first left slider body (101a) and the first sliding block inclined are carved between (102) and the first right slider body (101b)
Slack adjuster is both provided between carving (102) with the first sliding block inclined；The left end of first take-up housing (108) middle slideway with
Right end is both provided with limitation positioner and the first left slider body (101a) and the first right slider body (101b) is carried out respectively
/V；
Second color molding assembly (2) is included in the second take-up housing (208) that upper surface offers slideway, second take-up housing
(208) the left end in slideway is respectively fitted with the second left slider body (201a) and the second right slider body with right end
(201b) is provided with the second sliding block inclined between the second left slider body (201a) and the second right slider body (201b) and carves
(202)；The second left slider body (201a) and the second sliding block inclined are carved between (202) and the second right slider body (201b)
Slack adjuster is both provided between carving (202) with the second sliding block inclined；The left end of second take-up housing (208) middle slideway with
Right end is both provided with limitation positioner and the second left slider body (201a) and the second right slider body (201b) is carried out respectively
/V；The left end of second take-up housing (208) upper surface is both provided with sliding block with right end and reverses device.
It is 2. according to claim 1 a kind of for dual-color forming double-slider extracting core assembly mechanism, it is characterised in that：Described
Gap regulating device includes adjusting screw (104) and the adjusting gasket (103) being assemblied in adjusting screw (104).
It is 3. according to claim 1 a kind of for dual-color forming double-slider extracting core assembly mechanism, it is characterised in that：The limit
Positioner processed includes spring (106) and /V thimble (107), and the /V thimble (107) has the bullet for placing spring (106)
Spring sleeve and the banking stop for being arranged on spring spool top.
It is 4. according to claim 1 a kind of for dual-color forming double-slider extracting core assembly mechanism, it is characterised in that：The cunning
Block, which reverses device, to be included cover board (111), leaf spring (112) and slides plectrum (113)；It is described slip plectrum (113) both sides have to
Lower extension and to the inclined rake in the second take-up housing (208) direction, the first left slider body (101a), the first right cunning
Block body (101b), the second left slider body (201a) are both provided on the second right slider body (201b) with sliding plectrum
(113) inclined surface that upper inclined portion is adapted；The slip plectrum (113) is arranged on the second take-up housing (208), leaf spring
(112) it is arranged on and slides plectrum (113) upper end, the cover board (111) is arranged on leaf spring (112) upper end and passes through screw and second
Take-up housing (208) connects.
It is 5. according to claim 4 a kind of for dual-color forming double-slider extracting core assembly mechanism, it is characterised in that：The cunning
Rake lower end inside of the dynamic plectrum (113) per side offers the asymmetric chamfering with certain gradient.
It is 6. according to claim 5 a kind of for dual-color forming double-slider extracting core assembly mechanism, it is characterised in that：It is described not
The gradient of symmetrical chamfering is 3 °.
7. one kind according to claim 1 or 2 or 3 or 4 or 5 or 6 is used for dual-color forming double-slider extracting core assembly mechanism,
It is characterized in that：First sliding block inclined carves (102), the second sliding block inclined carves (202) by multiple upper attachment screws (116) with moving
Mould connects, and first take-up housing (108), the second take-up housing (208) are connected by multiple lower attachment screws (120) and cover half
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026159.6A CN108068276A (en) | 2016-11-15 | 2016-11-15 | One kind is used for dual-color forming double-slider extracting core assembly mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026159.6A CN108068276A (en) | 2016-11-15 | 2016-11-15 | One kind is used for dual-color forming double-slider extracting core assembly mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108068276A true CN108068276A (en) | 2018-05-25 |
Family
ID=62160848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611026159.6A Pending CN108068276A (en) | 2016-11-15 | 2016-11-15 | One kind is used for dual-color forming double-slider extracting core assembly mechanism |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007296773A (en) * | 2006-05-01 | 2007-11-15 | Misumi Corp | Slide core device for multi-color molding |
| CN102729368A (en) * | 2011-03-31 | 2012-10-17 | 竹元通则 | Side core-pulling slide block device |
| CN103395172A (en) * | 2013-08-12 | 2013-11-20 | 科益精密模塑（太仓）有限公司 | Two-colour mould with angle pin and slider mechanism and application method thereof |
| CN204749154U (en) * | 2014-12-19 | 2015-11-11 | 上海小糸车灯有限公司 | Corner device of loosing core for die casting |
| CN206277607U (en) * | 2016-11-15 | 2017-06-27 | 常州星宇车灯股份有限公司 | One kind is used for dual-color forming double-slider extracting core assembly mechanism |
-
2016
- 2016-11-15 CN CN201611026159.6A patent/CN108068276A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007296773A (en) * | 2006-05-01 | 2007-11-15 | Misumi Corp | Slide core device for multi-color molding |
| CN102729368A (en) * | 2011-03-31 | 2012-10-17 | 竹元通则 | Side core-pulling slide block device |
| CN103395172A (en) * | 2013-08-12 | 2013-11-20 | 科益精密模塑（太仓）有限公司 | Two-colour mould with angle pin and slider mechanism and application method thereof |
| CN204749154U (en) * | 2014-12-19 | 2015-11-11 | 上海小糸车灯有限公司 | Corner device of loosing core for die casting |
| CN206277607U (en) * | 2016-11-15 | 2017-06-27 | 常州星宇车灯股份有限公司 | One kind is used for dual-color forming double-slider extracting core assembly mechanism |
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