CN107310114A - A kind of achievable internal and external circumference radiates the mechanism and its application method of hole core pulling - Google Patents
A kind of achievable internal and external circumference radiates the mechanism and its application method of hole core pulling Download PDFInfo
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- CN107310114A CN107310114A CN201710716729.2A CN201710716729A CN107310114A CN 107310114 A CN107310114 A CN 107310114A CN 201710716729 A CN201710716729 A CN 201710716729A CN 107310114 A CN107310114 A CN 107310114A
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- core
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- rotating disk
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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
- B29C45/17—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
The present invention relates to the mechanism and its application method that a kind of achievable internal and external circumference radiates hole core pulling, the mechanism includes cover half block, dynamic model block, core fixing plate, cushion block and the support block circle from top to bottom set gradually, and dynamic model block is provided with die cavity, and core fixing plate is provided with core；Dynamic model block is provided with the first circle shape groove, pivot pin location-plate is provided with first circle shape groove, it is uniformly distributed with multiple core plates being radially arranged in pivot pin location-plate along the circumference, each core plate is extended with excircle core pulling portion into die cavity, core fixing plate is provided with the second circle shape groove, outer side core-pulling rotating disk is provided with second circle shape groove, dynamic model block carries in the curved pin of crotch, core plate provided with bottom and is vertically arranged with pivot pin；It is provided with support block circle on head board, head board and is evenly distributed in slanted pushing rod, inner periphery core pulling portion is radially provided with the top of slanted pushing rod.Compared with prior art, each member in tight of the invention coordinates, while realizing that multidirectional core pulling is acted with ejection, improves production efficiency.
Description
Technical field
The present invention relates to a kind of injection mold, more particularly, to a kind of achievable internal and external circumference radiate hole core pulling mechanism and
Its application method.
Background technology
In injection production there is the demoulding of outer side band circular hole forming part in Chang great Liang, and a certain forming part structure such as Fig. 1-
Shown in Fig. 3, the forming part includes the inside and outside round table-like interior side ring and cylindric outer side ring set with one heart, round table-like interior side ring and
Supporting plate is radially evenly equipped between cylindric outer side ring, is led between round table-like interior side ring bottom surface and cylindric outer side ring bottom surface
The connection of annulus bottom plate is crossed, round table-like inner side top surface of ring is provided with taper portion, due to the round table-like interior side ring and cylinder of the forming part
Multiple inner peripherys radiation holes and multiple excircle launch holes are distinguished circumferentially on the outer side ring of shape, with traditional core pulling method
It has been unable to do what one wishes to solve problems, and it is that Making mold is complicated and cost is significantly increased thus to bring, it is difficult to ensure
Product Precision, to solve such problem, it is necessary to propose a kind of mechanism of achievable internal and external circumference radiation hole core pulling and its make
Use method.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of achievable inside and outside circle
The mechanism and its application method of week radiation hole core pulling, each member in tight coordinate, while realizing that multidirectional core pulling is acted with ejection, improve
Production efficiency.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of achievable internal and external circumference radiates the mechanism of hole core pulling, including cover half block, the dynamic model from top to bottom set gradually
Block, core fixing plate, cushion block and support block circle, the center of the dynamic model block are provided with die cavity, the center of the core fixing plate
Provided with the core being engaged with die cavity；
The bottom surface of dynamic model block is provided with to be provided with the first circle shape groove, first circle shape groove and is set in outside die cavity
Pivot pin location-plate, be uniformly distributed with multiple core plates being radially arranged in the pivot pin location-plate along the circumference, each core plate is to type
Intracavitary is extended with excircle core pulling portion, and the top surface of the core fixing plate is provided with the second circle shape groove, and described second is circular
Outer side core-pulling rotating disk is provided with groove, dynamic model block carries the curved pin of crotch provided with bottom, and curved pin from top to bottom sequentially passes through axle
Circumference uniform distribution on pivot pin, pivot pin location-plate is vertically arranged with finger setting plate, outer side core-pulling rotating disk and core fixing plate, core plate
There are multiple radial grooves being radially arranged, outer side core-pulling rotating disk is provided with inclined hole, and the top of the pivot pin is caught in radial groove,
The bottom of pivot pin is caught in inclined hole, after injection, and curved pin moves up and drives outer side core-pulling rotating disk so that the extraction of excircle core pulling portion, complete
Hole core pulling is radiated into excircle；
Be provided with head board, the head board in the support block circle and be evenly distributed in multiple slanted pushing rods, each slanted pushing rod by
Under it is supreme sequentially pass through cushion block, core fixing plate and core, and the setting that slopes inwardly, be radially provided with to die cavity at the top of slanted pushing rod
The inner periphery core pulling portion of outer extension, after injection, is moved inward so that inner periphery core pulling at the top of slanted pushing rod as head board is moved up
Portion is extracted, and completes inner periphery radiation hole core pulling.
Needle bearing is provided with the vertical contact surface of the outer side core-pulling rotating disk and the second circle shape groove.
The first ball is provided with the horizontal contact face of the outer side core-pulling rotating disk and the second circle shape groove.
The second ball is provided with contact surface between the outer side core-pulling rotating disk and pivot pin location-plate.
Multiple release links being vertically arranged are evenly distributed between the dynamic model block and pivot pin location-plate.
Provided with the powder metallurgy post containing lubricating oil with pivot pin wall contacts in the inclined hole.
The vertical shift of the curved pin meets below equation apart from a：
In formula, μ is scale parameter, and span is the crotch angle of inclination that 1.2~1.4, α is curved pin, and β is radial groove
With the angle of inclined hole, d puts perforation thickness, r for the excircle of injection-moulded plastic part1For radial groove to the most short of integrated model central shaft
Distance, r2For the beeline of curved pin to integrated model central shaft.
A kind of application method of the mechanism of above-mentioned achievable internal and external circumference radiation hole core pulling, comprises the following steps：
A：Matched moulds：Cover half block drives curved pin to move down, and the crotch of curved pin drives outer side core-pulling rotating disk to rotate, and rotating disk passes through pivot pin
Core plate is driven to move radially inwardly, the excircle core pulling portion insertion die cavity in core plate, meanwhile, Board position is released in adjustment to be made
Obtain the inner periphery core pulling portion insertion die cavity on slanted pushing rod；
B：Injection：Solution enters in die cavity through the injection interface on cover half block, forms forming part；
C：Die sinking and discharging：Cover half block drives curved pin to move up, and the crotch of curved pin drives outer side core-pulling rotating disk to rotate, and rotating disk leads to
Crossing pivot pin drives core plate to be moved radially outwards, and the excircle core pulling portion in core plate exits die cavity, completes excircle radiation
Hole core pulling；
Head board promotes slanted pushing rod to move up, and forming part is ejected, and is inwardly moved at the top of slanted pushing rod during slanted pushing rod is moved up
Dynamic, inner periphery core pulling portion exits die cavity, is ejected in forming part and completes inner periphery radiation hole core pulling simultaneously.
Compared with prior art, the present invention has advantages below：
1st, each member in tight coordinates, while realizing that internal and external circumference radiation hole core pulling is acted with ejection, improves production efficiency,
Reliable operation, is worth promoting.
2nd, outer side core-pulling rotating disk is arranged in the second circle shape groove, while to be arranged on first circular recessed for pivot pin location-plate
In groove, outer side core-pulling rotating disk and pivot pin positioning plate structure can be preferably protected, compact conformation substantially reduces the height of integrated model
Degree.
3rd, the structure of pivot pin location-plate, outer side core-pulling rotating disk and core fixing plate, one are up to sequentially passed through down using curved pin
Aspect, it is possible to reduce hook length on curved pin, i.e., curved pin only needs bottom to design crotch structure so that curved pin overall structure is not easy to break
It is disconnected, it is easily worked；On the other hand, it is possible to reduce pivot pin location-plate accommodates the width of the passage of curved pin, coordinate the first annular shape recessed
The design of groove so that internal part is difficult dislocation deformation when mechanism is used.
4th, by the setting of needle bearing, outer side core-pulling rotating disk can be rotated more flexibly, and the setting lifting of ball turns
Efficiency of movement, carries out rotating disk core pulling, thinking is simple, with extremely simplified think of with the multiple radiation passes of the external circumference of simple and reliable method
Road solves super difficult problem, greatly reduces the percent defective of product.
5th, to increase slip ability, carried provided with the powder metallurgy post containing lubricating oil with pivot pin wall contacts in inclined hole
The wearability of high mechanism structure.
6th, by the calculation formula for the vertical shift distance for setting up curved pin, mould can be conveniently designed, for processing not
The part of perforation thickness is put with excircle, and excircle radiation hole stripping result is good.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of forming part；
Fig. 2 is the face upwarding assumption diagram of forming part；
Fig. 3 is schematic cross-sectional view at b-b in Fig. 2；
Fig. 4 is the axial sectional view for the mechanism that internal and external circumference radiation hole core pulling can be achieved；
Fig. 5 is echelon sectional view at A-A in Fig. 4；
Fig. 6 is schematic cross-sectional view at c-c in Fig. 5.
In figure, S1, round table-like interior side ring, S2, cylindric outer side ring, S3, supporting plate, S4, annulus bottom plate, S5, taper portion,
S1-1, inner periphery radiation hole, S2-1, excircle launch hole；
1st, cover half block, 2, dynamic model block, 3, core fixing plate, 4, cushion block, 5, support block circle, 6, die cavity, 7, core, 8, pivot pin it is fixed
Position plate, 8-1, radial groove, 9, core plate, 9-1, excircle core pulling portion, 10, outer side core-pulling rotating disk, 10-1, inclined hole, 11, curved
Pin, 11-1, crotch, 12, pivot pin, 13, head board, 14, slanted pushing rod, 14-1, inner periphery core pulling portion, 15, needle bearing, 16, the
One ball, the 17, second ball, 18, release link, 19, powder metallurgy post, 20, lock-screw, 21, injection interface.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As Figure 4-Figure 6, a kind of achievable internal and external circumference radiates the mechanism of hole core pulling, including from top to bottom sets gradually
Cover half block 1, dynamic model block 2, core fixing plate 3, cushion block 4 and support block circle 5, the center of dynamic model block 2 is provided with die cavity 6, and core is solid
The center of fixed board 3 is provided with the core 7 being engaged with die cavity 6, and gap is outside forming part between die cavity 6 and core 7
Profile, the present invention proposes to realize the structure that internal and external circumference radiates hole core pulling simultaneously, specific as follows：
First, realize that excircle radiates the structure of hole core pulling：
The bottom surface of dynamic model block 2 is provided with to be provided with the first circle shape groove, the first circle shape groove and is set in outside die cavity 6
It is uniformly distributed with multiple core plates 9 being radially arranged in pivot pin location-plate 8, pivot pin location-plate 8 along the circumference, each core plate 9 is to die cavity 6
Excircle core pulling portion 9-1 is inside extended with, the top surface of core fixing plate 3 is provided with the second circle shape groove, the second circle shape groove
Provided with outer side core-pulling rotating disk 10, crotch 11-1 curved pin 11, curved pin 11 are carried on dynamic model block 2 provided with bottom by lock-screw 20
From top to bottom sequentially pass through in pivot pin location-plate 8, outer side core-pulling rotating disk 10 and core fixing plate 3, outer side core-pulling rotating disk 10 and accommodate
The passage of curved pin 11 is ramp way, be vertically arranged with pivot pin 12, pivot pin location-plate 8 in core plate 9 be evenly distributed in it is multiple
The radial groove 8-1 being radially arranged, outer side core-pulling rotating disk 10 is provided with inclined hole 10-1, and the top of pivot pin 12 is caught in radial groove 8-
In 1, the bottom of pivot pin 12 is caught in inclined hole 10-1, after injection, and curved pin 11 moves up and drives outer side core-pulling rotating disk 10 so that cylindrical
All core pulling portion 9-1 are extracted, and complete the excircle radiation hole core pulling of forming part.
Outer side core-pulling rotating disk 10 is arranged in the second circle shape groove, while pivot pin location-plate 8 is arranged on the first annular shape
In groove, outer side core-pulling rotating disk 10 and the structure of pivot pin location-plate 8 can be preferably protected, compact conformation substantially reduces integrated machine
The height of structure.
Up to sequentially pass through the knot of pivot pin location-plate 8, outer side core-pulling rotating disk 10 and core fixing plate 3 down using curved pin 11
Structure, on the one hand, crotch 11-1 length on curved pin 11 can be reduced, i.e., curved pin 11 only needs bottom to design crotch 11-1 structures so that
The curved overall structure of pin 11 is not easily broken, and is easily worked；On the other hand, it is possible to reduce pivot pin location-plate 8 accommodates the passage of curved pin 11
Width, coordinate the first circle shape groove design so that when mechanism is used internal part be difficult dislocation deformation.
2nd, realize that inner periphery radiates the structure of hole core pulling：
Be provided with head board 13, head board 13 in support block circle 5 and be evenly distributed in multiple slanted pushing rods 14, each slanted pushing rod 14 by
Under it is supreme sequentially pass through cushion block 4, core fixing plate 3 and core 7, and the setting that slopes inwardly, the top of slanted pushing rod 14 is radially provided with
The inner periphery core pulling portion 14-1 extended to outside die cavity 6, after injection, the top of slanted pushing rod 14 is as head board 13 is moved up and is inwardly moved
It is dynamic so that inner periphery core pulling portion 14-1 is extracted, complete the inner periphery radiation hole core pulling of forming part.
Second circle shape groove structure increases contact area when outer side core-pulling rotating disk 10 is rotated, i.e., more than vertical contact
Needle bearing 15 is provided with face, the vertical contact surface of the outer circle shape groove of side core-pulling rotating disk 10 and second, passes through needle bearing 15
Setting, with the external circumference of simple and reliable method it is multiple radiation passes carry out rotating disk core pulling.Meanwhile, outer side core-pulling rotating disk 10 with
The first ball 16 is provided with the horizontal contact face of second circle shape groove, between outer side core-pulling rotating disk 10 and pivot pin location-plate 8
The second ball 17 is provided with contact surface, the first ball 16 and the second ball 17 are each attached in the arc groove processed.The present invention
Thinking is simple, solves super difficult problem with extremely simplified thinking, greatly reduces the percent defective of product.
Multiple release links 18 being vertically arranged are evenly distributed between dynamic model block 2 and pivot pin location-plate 8.Release link 18 is main
Play a part of guiding dynamic model block 2 to reset, release link 18 puts spring, after product is released, spring rebounds dynamic model block 2 multiple
Position.
Provided with the powder metallurgy post 19 containing lubricating oil with the wall contacts of pivot pin 12 in inclined hole 10-1, to increase slip energy
Power, improves the wearability of mechanism structure.
The vertical shift of curved pin 11 meets below equation apart from a：
In formula, μ is scale parameter, and span is the crotch angle of inclination that 1.2~1.4, α is curved pin 11, and β is radially sliding
Groove 8-1 and inclined hole 10-1 angle, d puts perforation thickness, r for the excircle of injection-moulded plastic part1For radial groove 8-1 to integrated model
The beeline of central shaft, r2The beeline of integrated model central shaft, α, β, d, r are arrived for curved pin 111、r2Figure is marked at respectively
3rd, in Fig. 5, Fig. 6.By the calculation formula for the vertical shift distance for setting up curved pin 11, mould can be conveniently designed, for adding
Work difference excircle puts the part of perforation thickness, and excircle radiation hole stripping result is good.
In the present embodiment, the application method that above-mentioned achievable internal and external circumference radiates the mechanism of hole core pulling includes following step
Suddenly：
A：Matched moulds：Cover half block 1 drives curved pin 11 to move down, and the crotch 11-1 of curved pin 11 drives outer side core-pulling rotating disk 10 to rotate,
Rotating disk drives core plate 9 to move radially inwardly by pivot pin 12, the excircle core pulling portion 9-1 insertion die cavities 6 in core plate 9,
Meanwhile, adjustment head board 13 position causes the inner periphery core pulling portion 14-1 on slanted pushing rod 14 to insert die cavity 6；
B：Injection：Solution enters in die cavity 6 through the injection interface 21 on cover half block 1, forms forming part；
C：Die sinking and discharging：During die sinking, cover half block 1 drives curved pin 11 to move up, and the crotch 11-1 of curved pin 11 stirs outside and taken out
Core rotating disk 10 rotates the angle of setting, the inclined hole 10-1 on rotating disk by pivot pin 12 radially chute 8-1 pull laterally setting away from
From, so drive core plate 9 be moved radially outwards, multiple excircle core pulling portion 9-1 in core plate 9 exit simultaneously die cavity 6,
Product is detached, excircle radiation hole core pulling is completed；
Head board 13 promotes slanted pushing rod 14 to move up, and forming part is ejected, slanted pushing rod 14 is pushed up during slanted pushing rod 14 is moved up
Portion is moved inward gradually, promotes inner periphery core pulling portion 14-1 to be extracted out gradually from die cavity 6, then is completed simultaneously in forming part ejection
Inner periphery radiates hole core pulling.
Invention has the advantages of high efficiency, reliable operation, is worth promoting.
Claims (8)
1. a kind of achievable internal and external circumference radiates the mechanism of hole core pulling, it is characterised in that including determining for from top to bottom setting gradually
Module (1), dynamic model block (2), core fixing plate (3), cushion block (4) and support block circle (5), the center of the dynamic model block (2) are provided with
Die cavity (6), the center of the core fixing plate (3) is provided with the core (7) being engaged with die cavity (6)；The bottom surface of dynamic model block (2)
Provided with the first circle shape groove, it is provided with first circle shape groove and is set in the pivot pin location-plate (8) of die cavity (6) outside,
It is uniformly distributed with multiple core plates (9) being radially arranged in the pivot pin location-plate (8) along the circumference, each core plate (9) is to die cavity (6)
Excircle core pulling portion (9-1) is inside extended with, the top surface of the core fixing plate (3) is provided with the second circle shape groove, described second
Outer side core-pulling rotating disk (10) is provided with circle shape groove, dynamic model block (2) carries the curved pin (11) of crotch (11-1) provided with bottom,
Curved pin (11) from top to bottom sequentially passes through pivot pin location-plate (8), outer side core-pulling rotating disk (10) and core fixing plate (3), core plate
(9) it is vertically arranged with pivot pin (12), pivot pin location-plate (8) and is evenly distributed in multiple radial grooves (8-1) being radially arranged,
Outer side core-pulling rotating disk (10) is provided with inclined hole (10-1), and the top of the pivot pin (12) is caught in radial groove (8-1), pivot pin
(12) bottom is caught in inclined hole (10-1), after injection, and curved pin (11) moves up and drives outer side core-pulling rotating disk (10) so that cylindrical
All core pulling portions (9-1) are extracted, and complete excircle radiation hole core pulling；
It is provided with the support block circle (5) on head board (13), the head board (13) and is evenly distributed in multiple slanted pushing rods (14), often
Individual slanted pushing rod (14) sequentially passes through cushion block (4), core fixing plate (3) and core (7), and the setting that slopes inwardly from the bottom to top, tiltedly
Radially provided with the inner periphery core pulling portion (14-1) extended outside to die cavity (6) at the top of push rod (14), after injection, slanted pushing rod (14) top
Portion is as head board (13) is moved up and is moved inward so that inner periphery core pulling portion (14-1) is extracted, and completes inner periphery radiation hole and takes out
Core.
2. a kind of achievable internal and external circumference according to claim 1 radiates the mechanism of hole core pulling, it is characterised in that described outer
Side core-pulling rotating disk (10) at the vertical contact surface of the second circle shape groove with being provided with needle bearing (15).
3. a kind of achievable internal and external circumference according to claim 1 radiates the mechanism of hole core pulling, it is characterised in that described outer
Side core-pulling rotating disk (10) at the horizontal contact face of the second circle shape groove with being provided with the first ball (16).
4. a kind of achievable internal and external circumference according to claim 1 radiates the mechanism of hole core pulling, it is characterised in that described outer
The second ball (17) is provided with contact surface between side core-pulling rotating disk (10) and pivot pin location-plate (8).
5. a kind of achievable internal and external circumference according to claim 1 radiates the mechanism of hole core pulling, it is characterised in that described dynamic
Multiple release links (18) being vertically arranged are evenly distributed between module (2) and pivot pin location-plate (8).
6. a kind of achievable internal and external circumference according to claim 1 radiates the mechanism of hole core pulling, it is characterised in that described oblique
Provided with the powder metallurgy post (19) containing lubricating oil with pivot pin (12) wall contacts in hole (10-1).
7. a kind of achievable internal and external circumference according to claim 1 radiates the mechanism of hole core pulling, it is characterised in that described curved
The vertical shift of pin (11) meets below equation apart from a：
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<mi>&mu;</mi>
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<mi>n</mi>
<mi>&alpha;</mi>
<mo>&CenterDot;</mo>
<mi>t</mi>
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<mi>&beta;</mi>
<mo>&CenterDot;</mo>
<mi>d</mi>
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In formula, μ is scale parameter, and span is the crotch angle of inclination that 1.2~1.4, α is curved pin (11), and β is radial groove
(8-1) and inclined hole (10-1) angle, d put perforation thickness, r for the excircle of injection-moulded plastic part1For radial groove (8-1) to entirety
The beeline of mechanism center shaft, r2The beeline of integrated model central shaft is arrived for curved pin (11).
8. a kind of application method of the mechanism of achievable internal and external circumference radiation hole core pulling as claimed in claim 1, its feature exists
In comprising the following steps：
A：Matched moulds：Cover half block (1) drives curved pin (11) to move down, and the crotch (11-1) of curved pin (11) drives outer side core-pulling rotating disk (10)
Rotate, rotating disk drives core plate (9) to move radially inwardly by pivot pin (12), the excircle core pulling portion (9- in core plate (9)
1) insertion die cavity (6), meanwhile, adjustment head board (13) position causes the inner periphery core pulling portion (14-1) on slanted pushing rod (14) to insert
Die cavity (6)；
B：Injection：Solution enters in die cavity (6) through the injection interface (21) on cover half block (1), forms forming part；
C：Die sinking and discharging：Cover half block (1) drives curved pin (11) to move up, and the crotch (11-1) of curved pin (11) drives outer side core-pulling to turn
Disk (10) is rotated, and rotating disk drives core plate (9) to be moved radially outwards by pivot pin (12), and the excircle in core plate (9) is taken out
Core (9-1) exits die cavity (6), completes excircle radiation hole core pulling；
Head board (13) promotes slanted pushing rod (14) to move up, and forming part is ejected, slanted pushing rod during slanted pushing rod (14) is moved up
(14) top is moved inward, and inner periphery core pulling portion (14-1) exits die cavity (6), and ejecting completion inner periphery simultaneously in forming part puts
Perforation core pulling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716729.2A CN107310114A (en) | 2017-08-21 | 2017-08-21 | A kind of achievable internal and external circumference radiates the mechanism and its application method of hole core pulling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716729.2A CN107310114A (en) | 2017-08-21 | 2017-08-21 | A kind of achievable internal and external circumference radiates the mechanism and its application method of hole core pulling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107310114A true CN107310114A (en) | 2017-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710716729.2A Pending CN107310114A (en) | 2017-08-21 | 2017-08-21 | A kind of achievable internal and external circumference radiates the mechanism and its application method of hole core pulling |
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| CN (1) | CN107310114A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262988A (en) * | 2018-09-06 | 2019-01-25 | 浙江伟星新型建材股份有限公司 | A kind of automatic stripping die for bend pipe tools |
| CN109551724A (en) * | 2018-11-05 | 2019-04-02 | 浙江工商职业技术学院 | The secondary combination of angled-lift splits oblique top demoulds injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206357588U (en) * | 2016-12-05 | 2017-07-28 | 硕昌（上海）精密塑料制品有限公司 | Many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold |
| CN207105499U (en) * | 2017-08-21 | 2018-03-16 | 福州大学 | A kind of mechanism of achievable internal and external circumference radiation hole core pulling |
-
2017
- 2017-08-21 CN CN201710716729.2A patent/CN107310114A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206357588U (en) * | 2016-12-05 | 2017-07-28 | 硕昌（上海）精密塑料制品有限公司 | Many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold |
| CN207105499U (en) * | 2017-08-21 | 2018-03-16 | 福州大学 | A kind of mechanism of achievable internal and external circumference radiation hole core pulling |
Non-Patent Citations (1)
| Title |
|---|
| 宋玉恒: "《塑料注射模具设计实用手册》", 31 August 1994, 航空工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262988A (en) * | 2018-09-06 | 2019-01-25 | 浙江伟星新型建材股份有限公司 | A kind of automatic stripping die for bend pipe tools |
| CN109262988B (en) * | 2018-09-06 | 2023-09-01 | 临海伟星新型建材有限公司 | Automatic demolding mold for elbow pipe fitting |
| CN109551724A (en) * | 2018-11-05 | 2019-04-02 | 浙江工商职业技术学院 | The secondary combination of angled-lift splits oblique top demoulds injection mold |
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Application publication date: 20171103 |
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| RJ01 | Rejection of invention patent application after publication |