CN105856519B - A kind of twice core pulling structure of light-strip mould - Google Patents
A kind of twice core pulling structure of light-strip mould Download PDFInfo
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- CN105856519B CN105856519B CN201610409774.9A CN201610409774A CN105856519B CN 105856519 B CN105856519 B CN 105856519B CN 201610409774 A CN201610409774 A CN 201610409774A CN 105856519 B CN105856519 B CN 105856519B
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- gag lever
- lever post
- core pulling
- light
- dynamic model
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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
- B29C45/40—Removing or ejecting moulded 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
-
- 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Abstract
The invention provides a kind of twice core pulling structure of light-strip mould, belong to technology of die manufacturing field.It easily causes the technical problems such as damaged products when solving existing mold core pulling.This light-strip mould includes fixed half and moving half, fixed half and moving half is oppositely arranged and can form die cavity, twice core pulling structure includes the mounting hole being connected towards die cavity and with die cavity opened up on dynamic model, gag lever post is provided with mounting hole, one end of gag lever post is connected with the core_pulling pole towards die cavity, and two ends of the other end provided with spring and spring of gag lever post are respectively acting on gag lever post and dynamic model；Having on the outer peripheral face of gag lever post has the hole position platform leant with positive stop lug boss on positive stop lug boss, the inwall of mounting hole.Core pulling distance of the present invention is short, effectively prevents the local capping of light-strip product, and mating holes side wall is not easy to be shoveled wound.
Description
Technical field
The invention belongs to technology of die manufacturing field, it is related to a kind of mould for being used to produce automobile light-strip, particularly one
Plant the twice core pulling structure of light-strip mould.
Background technology
Mould be in industrial production to be molded, be blow molded, extrude, die casting, smelting, the method such as punching press obtain required product
Instrument.Mould has specific profile or cavity shape；Using the contour shape with cutting edge blank can be made linear by profile
Shape is separated, and using cavity shape blank can be made to obtain corresponding three-dimensional shape, and simple with processing, efficiency high can be obtained
To complicated shape product the advantages of, be used widely；Mould generally comprises two parts of dynamic model and cover half, and the two can divide can
Close, product is taken out when separating, blank is injected mold cavity shaping when closing up.Light-strip is the important component on automobile, is had
Irregular profile, generally using mold injection molding.After the refraction that car bulb passes through light-strip, form light belt and project, and
The intensity and color of light are converted according to light source, it is not only both artistic and practical, and energy-conserving and environment-protective.Guide-lighting tooth on light-strip is molded into
Type quality is directly connected to the light shape and intensity of car light, and the stripping means of current mould are ejected using push rod mostly, before the demoulding
Need to carry out core pulling action.
China's patent (notification number：202517631U, publication date：2012.11.07 a kind of the secondary of novel die) is disclosed
Pulled core structure, including take-up housing, the first core pulling, the second core pulling, product, iron drag hook, product outer wall are provided with the first core pulling, product
Inwall is provided with the second core pulling；Second core pulling is fixed on take-up housing by planting plate, screw, meanwhile, the first core pulling is taken out with second
Core is connected by feed forked connection hinge screw with take-up housing；Be provided with Angle Pin, 7 font iron blocks on take-up housing, 7 font iron blocks with it is T-shaped
Iron block constitutes iron drag hook；T-shaped iron block is fixed in template, and T-shaped iron block tail end is connected with spring one end, the spring other end
It is connected with template；At the same time, T-shaped iron block front end is arranged in cultivation plate fluting, is planted plate fluting and is arranged on cultivation plate；T words
Shape iron block side is in contact with the first core pulling.
Mould structure core pulling distance disclosed in above-mentioned patent document is long, and automobile light-strip is to the finish of light-emitting area
It is required that higher.And its quality is more crisp, easily there is the local capping of product or cause mating holes side wall to be hindered by shovel.
The content of the invention
The present invention is directed to the above mentioned problem of existing technology presence there is provided a kind of twice core pulling structure of light-strip mould,
The technical problems to be solved by the invention are：How to prevent the local capping of light-strip product and core pulling distance is long causes mating holes
Side wall is hindered by shovel.
The purpose of the present invention can be realized by following technical proposal：
A kind of twice core pulling structure of light-strip mould, light-strip mould includes fixed half and moving half, the fixed half and moving half
It is oppositely arranged and die cavity can be formed, it is characterised in that the twice core pulling structure includes the direction type opened up on dynamic model
Gag lever post is provided with chamber and the mounting hole being connected with the die cavity, the mounting hole, one end of the gag lever post is connected with court
To the core_pulling pole of the die cavity, two ends of the other end provided with spring and the spring of the gag lever post are respectively acting on the limit
On position bar and the dynamic model；Having on the outer peripheral face of the gag lever post on positive stop lug boss, the inwall of the mounting hole has and institute
State the hole position platform that positive stop lug boss leans.
Its principle is as follows：When mould is molded, shelves are first opened, dynamic model and cover half are still pasted extremely, when mould does core pulling campaign, inside taken out
Action, the spring of spacing boom end is promoted gag lever post to die cavity direction by elastic restoring force so that the core pulling on gag lever post
Bar is close to mavable module core, that is, realizes during first time core pulling, core_pulling pole and gag lever post do not do core pulling campaign, only other interior
Take out and do core pulling fortune work(.After the segment distance of inside core pulling one, gag lever post be moved under the promotion of spring the positive stop lug boss of gag lever post with
Hole position platform on mounting hole inwall is leant, and now first time core pulling is completed；Mould continues core pulling, spacing due to gag lever post
Boss is with hole position contact with platform against by hole position platform on mounting hole inwall to gag lever post progress spacing, gag lever post and core pulling
Bar can not continue to be held against state by spring and mavable module core, and gag lever post, core_pulling pole are driven when dynamic model is acted and interior is taken out
Core is moved, that is, carries out second of core pulling action, and only to the contact with platform on the platform and bottom plate of installing pull bar, second of core pulling is complete
Into now core_pulling pole completely disengages from light-strip product；Complete whole core pulling action.Core pulling process divide into the technical program
In 2 stages, during grade core pulling is opened for the second time, core_pulling pole just does core pulling campaign, reduces the core pulling distance of core_pulling pole, it is ensured that
The smooth ejection of product.Because core pulling distance is short, effectively prevent the local capping of light-strip product, mating holes side wall be not easy to by
Shovel wound.
It is few that core_pulling pole core pulling distance takes out core pulling distance (i.e. mould open span from) than in, makes package power on light-strip product big
Position be completely withdrawn from, product can be ejected smoothly；The technical program solve PMMA material injections part ejection when product due to
Package power is acted on, and causes the local capping of product and core pulling distance is long causes the problem of mating holes side wall is easily hindered by shovel.
In the twice core pulling structure of above-mentioned light-strip mould, being additionally provided with the dynamic model can move towards the die cavity
Dynamic pull bar, the end of the pull bar, which has to have on defining flange, the dynamic model, can limit the pull bar displacement
Confined planes, during matched moulds state, the positive stop lug boss and the distance between the hole position platform in the mounting hole on the gag lever post are small
In the distance between the defining flange and the confined planes.Pull bar towards die cavity move when, confined planes can be with defining flange
Lean；In first time core pulling, gag lever post is close to by the spring under gag lever post with mavable module core all the time, core_pulling pole is not taken out first
Core is moved, and other interior take out do core pulling fortune work(；When the positive stop lug boss on gag lever post and hole position contact with platform carry out second of core pulling,
Core_pulling pole and other in take out core pulling together, until pull bar defining flange and confined planes contact, core_pulling pole depart from product so that complete
Into whole core pulling action.
In the twice core pulling structure of above-mentioned light-strip mould, during matched moulds state, the positive stop lug boss on the gag lever post
It is 10mm with the distance between the hole position platform in the mounting hole, the distance between the defining flange and described confined planes are
15mm.Inside take out core pulling distance 10mm, first time core pulling is completed, now the distance between the defining flange of pull bar and confined planes are
5mm, core_pulling pole, gag lever post, interior take out move 5mm jointly with pull bar during second of core pulling, complete whole core pulling action.
In the twice core pulling structure of above-mentioned light-strip mould, it is lower end that the gag lever post, which pacifies spring-loaded one end, separately
One end is upper end, and the diameter of the gag lever post lower end is less than the diameter of gag lever post upper end, and the spring is set under gag lever post
On end, the one side for having annular projection and the annular projection on the outer peripheral face of the gag lever post forms the positive stop lug boss, institute
Annular projection is stated close to the lower end of the gag lever post.Core_pulling pole is connected to the upper end of gag lever post by trip bolt, core_pulling pole with
Gag lever post prevents core_pulling pole from rotating by the spacing fixation of trip bolt, while gag lever post also does anti-rotation processing.
In the twice core pulling structure of above-mentioned light-strip mould, pressing plate, the one of the spring are installed with the dynamic model
End is resisted against on the pressing plate, and the other end is resisted against on the another side of the annular projection.Pressing plate can pass through screw or spiral shell
Bolt is fastened, and is connected on the bottom plate in dynamic model.
In the twice core pulling structure of above-mentioned light-strip mould, the dynamic model includes moving platen and bottom plate, the dynamic model
It is provided with plate and bottom plate in dynamic model guide pin bushing and guide pillar, the bottom plate and is additionally provided with ejection limited post, the side of the bottom plate is provided with dynamic
Mould thermal insulation board.Rubbish nail and the cup head screw for connecting guide pillar are additionally provided with bottom plate, moving platen, which is provided with, can drive ejection
The liftout plate of bar action, is followed closely between bottom plate and liftout plate provided with rubbish, is produced a small gap, is prevented there is rubbish between them
When, knock-pin and core can not reset, and can not be molded plastic.
In the twice core pulling structure of above-mentioned light-strip mould, the cover half includes solid plate and panel, the cover half
Hot flow path deckle board is provided between plate and panel, the side of the panel is additionally provided with cover half thermal insulation board and centring ring, the solid plate
Inside it is additionally provided with cover half guide pin bushing.
Compared with prior art, core pulling process divide into two by designing core_pulling pole and gag lever post structure in the present invention
In the individual stage, during grade core pulling is opened for the second time, core_pulling pole just does core pulling campaign, reduces the core pulling distance of core_pulling pole, it is ensured that
The smooth ejection of product.Because core pulling distance is short, effectively prevent the local capping of light-strip product, mating holes side wall be not easy to by
Shovel wound.
Brief description of the drawings
Fig. 1 is the structural representation of this light-strip mould matched moulds state.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 is the structural representation after the mould first time core pulling of this light-strip.
Fig. 4 is the partial enlarged drawing at B in Fig. 3.
Fig. 5 is the structural representation after second of the core pulling of this light-strip mould.
Fig. 6 is the partial enlarged drawing at C in Fig. 5.
Fig. 7 is the attachment structure schematic diagram of this light-strip mould matched moulds state lower limit bar and core_pulling pole.
In figure, 1, dynamic model；1a, bottom plate；1b, rubbish nail；1c, moving platen；1d, ejection limited post；1e, dynamic model thermal insulation board；
1f, dynamic model guide pin bushing；1g, guide pillar；2nd, cover half；2a, solid plate；2b, panel；2c, hot flow path deckle board；2d, cover half thermal insulation board；2e、
Centring ring；2f, cover half guide pin bushing；3rd, ejector retainner plate；4th, core_pulling pole；5th, gag lever post；5a, positive stop lug boss；5b, annular projection；6th, die cavity；
7th, mounting hole；7a, hole position platform；8th, pull bar；8a, defining flange；9th, confined planes；10th, trip bolt；11st, spring；12nd, pressing plate.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Fig. 1, Fig. 3 and Fig. 5, this light-strip mould includes cover half 2 and dynamic model 1, and cover half 2 and dynamic model 1 are oppositely arranged
And die cavity 6 can be formed, twice core pulling structure includes the mounting hole being connected towards die cavity 6 and with die cavity 6 opened up on dynamic model 1
7, mounting hole 7 is interior to be provided with gag lever post 5, and one end of gag lever post 5 is connected with the core_pulling pole 4 towards die cavity 6, the other end of gag lever post 5
Two ends provided with spring 11 and spring 11 are respectively acting on gag lever post 5 and dynamic model 1；Have on the outer peripheral face of gag lever post 5 spacing
There is the hole position platform 7a leant with positive stop lug boss 5a on boss 5a, the inwall of mounting hole 7；Further, dynamic model 1 includes dynamic
It is provided with template 1c and bottom plate 1a, moving platen 1c and bottom plate 1a in dynamic model guide pin bushing 1f and guide pillar 1g, bottom plate 1a and is additionally provided with ejection limit
Position post 1d, bottom plate 1a side are provided with dynamic model thermal insulation board 1e.Rubbish nail 1b is additionally provided with bottom plate 1a and for connecting guide pillar 1g's
Cup head screw, moving platen 1c is provided with the liftout plate that knock-pin can be driven to act, and rubbish is provided between bottom plate 1a and liftout plate
1b is followed closely, a small gap is produced, when preventing from having rubbish between them, knock-pin and core can not reset, and can not be molded modeling
Part；Cover half 2 includes solid plate 2a and panel 2b, and hot flow path deckle board 2c, panel 2b side are provided between solid plate 2a and panel 2b
Face, which is additionally provided with cover half thermal insulation board 2d and centring ring 2e, solid plate 2a, is additionally provided with cover half guide pin bushing 2f.
When mould is molded, shelves are first opened, dynamic model 1 and cover half 2 are still pasted extremely, when mould does core pulling campaign, interior twitch is made, spacing
The spring 11 of the end of bar 5 is promoted gag lever post 5 to the direction of die cavity 6 by elastic restoring force so that the core_pulling pole 4 on gag lever post 5
It is close to the benevolence of dynamic model 1, that is, realizes during first time core pulling, core_pulling pole 4 and gag lever post 5 do not do core pulling campaign, only other
Inside take out and do core pulling fortune work(.After the segment distance of inside core pulling one, gag lever post 5 is moved to the spacing of gag lever post 5 under the promotion of spring 11
Boss 5a is leant with the hole position platform 7a on the inwall of mounting hole 7, and now first time core pulling is completed；Mould continues core pulling, due to
The positive stop lug boss 5a of gag lever post 5 is contacted against with hole position platform 7a, by hole position platform 7a on the inwall of mounting hole 7 to gag lever post 5
Progress is spacing, and gag lever post 5 and core_pulling pole 4 can not continue to be held against state, band when dynamic model 1 is acted by spring 11 and the benevolence of dynamic model 1
Dynamic gag lever post 5, core_pulling pole 4 and interior take out do core pulling campaign, that is, carry out second of core pulling action, only to the platform for installing pull bar 8
With the contact with platform on bottom plate 1a, second of core pulling is completed, and now core_pulling pole 4 completely disengages from light-strip product；Completion is entirely taken out
Core is acted.Core pulling process be divide into 2 stages in the present embodiment, during grade core pulling is opened for the second time, core_pulling pole 4 is just taken out
Core is moved, and reduces the core pulling distance of core_pulling pole 4, it is ensured that the smooth ejection of product.Because core pulling distance is short, effectively prevent from leading
Striation product part capping, mating holes side wall is not easy to be shoveled wound.
As shown in Figures 1 to 6, the pull bar 8 that can be moved towards die cavity 6 is additionally provided with dynamic model 1, the end of pull bar 8 has
The confined planes 9 of the displacement of pull bar 8, during matched moulds state, the limit on gag lever post 5 can be limited by having on defining flange 8a, dynamic model 1
The distance between position boss 5a and hole position platform 7a in mounting hole 7 is less than the distance between defining flange 8a and confined planes 9.Draw
Bar 8 towards die cavity 6 move when, confined planes 9 can lean with defining flange 8a；In first time core pulling, the bullet under gag lever post 5
Gag lever post 5 is close to by spring 11 with the benevolence of dynamic model 1 all the time, core_pulling pole 4 is not done core pulling campaign first, and other interior take out do core pulling fortune work(；When
When positive stop lug boss 5a on gag lever post 5 contacts second of core pulling of progress with hole position platform 7a, core_pulling pole 4 and other in take out and take out together
Core, until the defining flange 8a and confined planes 9 of pull bar 8 are contacted, core_pulling pole 4 departs from product, so as to complete whole core pulling action；This
It is 10mm, limit in embodiment during matched moulds state, between the hole position platform 7a in the positive stop lug boss 5a and mounting hole 7 on gag lever post 5
The distance between position flange 8a and confined planes 9 are 15mm.Inside take out core pulling distance 10mm, first time core pulling is completed, now pull bar 8
The distance between defining flange 8a and confined planes 9 are 5mm, and core_pulling pole 4, gag lever post 5, interior take out are total to pull bar 8 during second of core pulling
With mobile 5mm, whole core pulling action is completed.
As shown in fig. 7, one end that gag lever post 5 installs spring 11 is lower end, the other end is upper end, the lower end of gag lever post 5 it is straight
Footpath is less than the diameter of the upper end of gag lever post 5, and spring 11 is set on the lower end of gag lever post 5, has ring-type on the outer peripheral face of gag lever post 5
Raised 5b and the annular projection 5b one side formation positive stop lug boss 5a, annular projection 5b is close to the lower end of gag lever post 5.Core_pulling pole
4 are connected to the upper end of gag lever post 5 by trip bolt 10, and core_pulling pole 4, by the spacing fixation of trip bolt 10, is prevented with gag lever post 5
Only core_pulling pole 4 is rotated, while gag lever post 5 also does anti-rotation processing；Pressing plate 12 is installed with dynamic model 1, one end of spring 11 is resisted against
On pressing plate 12, the other end is resisted against on annular projection 5b another side.Pressing plate 12 can be fastened by screw or bolt,
And be connected on the bottom plate 1a in dynamic model 1.
Specific embodiment described in text is only to spirit explanation for example of the invention.The technical field of the invention
Technical staff described specific embodiment can be made it is various modification supplement or using similar mode substitute,
But without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (7)
1. a kind of twice core pulling structure of light-strip mould, light-strip mould includes cover half (2) and dynamic model (1), the cover half (2)
It is oppositely arranged with dynamic model (1) and die cavity (6) can be formed, it is characterised in that the twice core pulling structure includes opening on dynamic model (1)
If the direction die cavity (6) and the mounting hole (7) that is connected with the die cavity (6), be provided with gag lever post in the mounting hole (7)
(5), one end of the gag lever post (5) is connected with the core_pulling pole (4) towards the die cavity (6), the other end of the gag lever post (5)
Two ends provided with spring (11) and the spring (11) are respectively acting on the gag lever post (5) and the dynamic model (1)；The limit
Having on the outer peripheral face of position bar (5) on positive stop lug boss (5a), the inwall of the mounting hole (7) has and the positive stop lug boss (5a)
The hole position platform (7a) leant.
2. the twice core pulling structure of light-strip mould according to claim 1, it is characterised in that in the dynamic model (1) also
Provided with the pull bar (8) that can be moved towards the die cavity (6), the end of the pull bar (8) has defining flange (8a), described dynamic
The confined planes (9) of the pull bar (8) displacement can be limited by having on mould (1), during matched moulds state, on the gag lever post (5)
Positive stop lug boss (5a) and the mounting hole (7) in the distance between hole position platform (7a) be less than the defining flange (8a) with
The distance between described confined planes (9).
3. the twice core pulling structure of light-strip mould according to claim 2, it is characterised in that described during matched moulds state
The distance between hole position platform (7a) in positive stop lug boss (5a) and the mounting hole (7) on gag lever post (5) is 10mm, described
The distance between defining flange (8a) and the confined planes (9) are 15mm.
4. the twice core pulling structure of the light-strip mould according to claim 1 or 2 or 3, it is characterised in that the gag lever post
(5) one end for installing spring (11) is lower end, and the other end is upper end, and the diameter of gag lever post (5) lower end is less than gag lever post (5)
The diameter of upper end, the spring (11) is set on the lower end of gag lever post (5), has ring on the outer peripheral face of the gag lever post (5)
The one side of shape projection (5b) and the annular projection (5b) forms the positive stop lug boss (5a), and the annular projection (5b) is close to institute
State the lower end of gag lever post (5).
5. the twice core pulling structure of light-strip mould according to claim 4, it is characterised in that solid on the dynamic model (1)
Provided with pressing plate (12), one end of the spring (11) is resisted against on the pressing plate (12), and the other end is resisted against the annular projection
On the another side of (5b).
6. the twice core pulling structure of the light-strip mould according to claim 1 or 2 or 3, it is characterised in that the dynamic model
(1) include being provided with dynamic model guide pin bushing (1f) and guide pillar in moving platen (1c) and bottom plate (1a), the moving platen (1c) and bottom plate (1a)
Ejection limited post (1d) is additionally provided with (1g), the bottom plate (1a), the side of the bottom plate (1a) is provided with dynamic model thermal insulation board (1e).
7. the twice core pulling structure of the light-strip mould according to claim 1 or 2 or 3, it is characterised in that the cover half
(2) include solid plate (2a) and panel (2b), hot flow path deckle board (2c), institute are provided between the solid plate (2a) and panel (2b)
The side for stating panel (2b) is additionally provided with cover half thermal insulation board (2d) and centring ring (2e), and being additionally provided with cover half in the solid plate (2a) leads
Cover (2f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409774.9A CN105856519B (en) | 2016-06-12 | 2016-06-12 | A kind of twice core pulling structure of light-strip mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409774.9A CN105856519B (en) | 2016-06-12 | 2016-06-12 | A kind of twice core pulling structure of light-strip mould |
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| Publication Number | Publication Date |
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| CN105856519A CN105856519A (en) | 2016-08-17 |
| CN105856519B true CN105856519B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239843B (en) * | 2016-08-31 | 2018-05-08 | 上海小糸车灯有限公司 | A kind of car light light guide injection mold structure |
| CN108748886B (en) * | 2018-06-04 | 2023-10-27 | 珠海格力精密模具有限公司 | Injection mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11277545A (en) * | 1998-03-31 | 1999-10-12 | Pentel Kk | Sleeve pin-less mold |
| US7381051B2 (en) * | 2006-01-24 | 2008-06-03 | Cheng Uei Precision Industry Co., Ltd. | Core-pulling mechanism and injection mold with the same |
| CN204398205U (en) * | 2015-01-12 | 2015-06-17 | 上海诺信汽车零部件有限公司 | Secondary core-pulling mechanism can be sprayed |
| CN205661007U (en) * | 2016-06-12 | 2016-10-26 | 浙江赛豪实业有限公司 | A secondary structure of loosing core for producing mould of car leaded light strip |
-
2016
- 2016-06-12 CN CN201610409774.9A patent/CN105856519B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11277545A (en) * | 1998-03-31 | 1999-10-12 | Pentel Kk | Sleeve pin-less mold |
| US7381051B2 (en) * | 2006-01-24 | 2008-06-03 | Cheng Uei Precision Industry Co., Ltd. | Core-pulling mechanism and injection mold with the same |
| CN204398205U (en) * | 2015-01-12 | 2015-06-17 | 上海诺信汽车零部件有限公司 | Secondary core-pulling mechanism can be sprayed |
| CN205661007U (en) * | 2016-06-12 | 2016-10-26 | 浙江赛豪实业有限公司 | A secondary structure of loosing core for producing mould of car leaded light strip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105856519A (en) | 2016-08-17 |
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Denomination of invention: A Secondary Core Pulling Structure for a Light Guide Bar Mold Effective date of registration: 20230331 Granted publication date: 20171013 Pledgee: Taizhou Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: ZHEJIANG SAIHAO INDUSTRIAL Co.,Ltd. Registration number: Y2023330000632 |
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