CN108297339B - A kind of dossal mechanism that anti-spring is stuck - Google Patents
A kind of dossal mechanism that anti-spring is stuck Download PDFInfo
- Publication number
- CN108297339B CN108297339B CN201810052749.9A CN201810052749A CN108297339B CN 108297339 B CN108297339 B CN 108297339B CN 201810052749 A CN201810052749 A CN 201810052749A CN 108297339 B CN108297339 B CN 108297339B
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- Prior art keywords
- dossal
- plate
- mold core
- dynamic model
- spring
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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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3008—Instrument panels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of dossal mechanisms that anti-spring is stuck, including big top plate (1) and dynamic model mold core (2), the top of dynamic model mold core (2) is equipped with dossal structure (3), the lower part of dynamic model mold core (2) is equipped with ejector retainner plate (4), ejector retainner plate (4) is equipped with thimble (5), one end of thimble (5) is connected on ejector retainner plate (4), the other end acts against the bottom surface of dossal structure (3), dossal structure (3) includes the dossal needle (31) and spring (32) being located in dynamic model mold core (2), spring (32) is set in the ejection end (312) of dossal needle (31), big top plate (1) position corresponding with ejector retainner plate (4) is equipped with top pillar (6).A kind of stuck dossal mechanism of anti-spring disclosed by the invention, will not be stuck due to camber of spring when dossal repeated structure ejects dynamic model mold core, and each activity of dossal needle can be ejected smoothly.
Description
Technical field
The present invention relates to mold dossal technical field, specifically a kind of dossal mechanism that anti-spring is stuck.
Background technique
Injection molding process, which refers to, is fabricated to a setting by the operations such as pressurization, injection, cooling, disengaging for the raw material of melting
There are many product category of the technical process of the product of shape, injection molding, there is all slightly aobvious simple pure plastics of technique and mould structure
Product, also there is technique and the more complex product with inserts of mould structure, and screen cloth is one of the most common type inserts.Especially in vapour
When the balloon sites injection molding of vehicle instrument board, one layer of screen cloth need to be embedded in meet requirement in product surface.
In actual production process, the positioning of screen cloth places feeding into a great problem, and screen cloth feeding generallys use people at present
Work feeding or automation feeding two ways, not only the production cycle is slow for simple artificial loading, but also screen cloth easily occurs in product
Deflection causes quality bad, wasting manpower and material resources；And using mechanism dossal then exist screen cloth on mold it is fixed unstable or
The defect of dossal needle dent is generated on product surface, because passing through in the structure of dossal needle dossal in the prior art, in product net
Cloth position usually first removes dossal needle before being molded, this will have screen cloth inclination.This not only wastes former material
Material, and the production cycle of product is increased, overall throughput reduces, if product screen cloth deflection cannot be found, as conjunction
The processing of lattice product, then can have great quality hidden danger.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of dossal mechanism that anti-spring is stuck is provided, it is anti-in dossal structure
Again eject dynamic model mold core when will not due to spring deviate, deformation and it is stuck, each activity of dossal needle can be ejected smoothly.
The technical solution used in the present invention is: provide a kind of dossal mechanism that anti-spring is stuck, including big top plate and dynamic
Mould mold core, the big top plate are located at the underface of dynamic model mold core, and the top of the dynamic model mold core is equipped with dossal structure, the dynamic model
The bottom slidable of mold core is equipped with ejector retainner plate, and the ejector retainner plate is equipped with thimble, and one end of the thimble is connected to thimble
On plate, the other end extends through the bottom surface that dynamic model mold core acts against dossal structure；
The dossal structure includes dossal needle, and the dynamic model mold core is equipped with mounting hole, and the dossal needle can be slided
It is dynamic to be fitted in mounting hole, it is located at below mounting hole on the dynamic model mold core and is equipped with the spring eye coaxial with mounting hole, it is described
Spring is equipped in spring eye, the dossal needle includes dossal end and ejection end, is equipped between the dossal end and ejection end
Limiting section is protruded, the ejection end of the dossal needle is placed in spring eye and is threaded through among spring, one end top of the spring
Spring eye bottom is leaned against, the other end acts against on the bottom surface of protrusion limiting section, is located under spring eye on the dynamic model mold core
Side is equipped with the through hole coaxial with spring eye, and the thimble passes through through hole and acts against on the bottom surface of dossal needle；
Big top plate position corresponding with ejector retainner plate is equipped with top pillar, when die sinking, when the big top plate is towards dynamic model
The ejection of mold core direction move to the subsequent reforwarding of predeterminated position it is dynamic when, the top pillar acts against the bottom surface of ejector retainner plate, for pushing away
Dynamic ejector retainner plate drives thimble up to eject.
Of the invention has the advantage that compared with prior art
Dossal mechanism of the invention, dossal needle are used in combination with ejector spring, but dossal needle ejector spring will select
Elastic force cannot too greatly can not be too small, elastic force too big mold injection when injection pressure dossal needle cannot be pushed back, elastic force too it is small not
Dossal needle can be ejected.Close-fitting part is easy to stuck by frictional force during exercise, and dossal needle has to ejecting product cloth
Material just has space that can tangle, can not be smooth by dossal needle if the decaying of stuck or elastic force occurs for the ejector spring of dossal needle
Ejecting product surface a certain distance, then cloth is lost control of one's feelings.So increase in the lower end of dynamic model mold core in the present invention again
One ejector pin plate structure is provided with a top pillar on big top plate, and thimble is provided on ejector retainner plate, and thimble directly abuts
On the bottom surface of dossal needle, after mold die sinking, big top plate does ejection movement, moves to the top after certain distance on big top plate
Capital ejects upwards together against ejector retainner plate, so that thimble be driven to move upwards, gives dossal needle one upward thrust, such
Structure, the ejector spring that dossal structure can be effectively prevented is stuck, so dossal needle is in addition to there is an automatic spring of spring, also by
The upward mechanical ejecting force of one of thimble, so entire ejection process is more stable.
As an improvement, the ejector retainner plate includes small top plate and positioning plate, the bottom surface of the dynamic model mold core is equipped with accommodating
Chamber, the small top plate and positioning plate are slidably located in accommodating cavity, and the positioning plate is equipped with T-type hole, the top
Needle limits in T-type hole far from one end of dossal structure, and the small top plate is located at the lower section of positioning plate and is used for thimble top
Tight limit is in T-type hole.
It improves again, the lower section of the ejector retainner plate is equipped with fixed plate, and when thimble sheet reset, the fixed plate is used to hang down
Histogram limits ejector retainner plate upwards, and the fixed plate is equipped with opening, for for top pillar by acting against ejector retainner plate.
As an improvement, the big top plate is all provided on the four angle corresponding positions in one side surface of dynamic model mold core and dynamic model mold core
There is limited block.The setting of limited block is played a buffer limit when contacting when can eject to big top plate with dynamic model mold core bottom and is made
With both avoiding directly contact, if with big top plate direct contact-impact, which occurs, for dynamic model mold core repeatedly to deform, use the longevity
Life can also shorten, and the deformation of dynamic model mold core will directly affect the quality of product.
It improves again, the dossal structure further includes baffle, and the baffle is equipped with the dossal end stretching for dossal needle
Through-hole, when dossal needle is ejected to extreme position, the upper surface of the protrusion limiting section of the dossal needle acts against the following table of baffle
On face.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the stuck dossal mechanism of anti-spring of the invention.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is enlarged structure schematic diagram at X in Fig. 2.(main dossal structure)
Fig. 4 is enlarged structure schematic diagram at Y in Fig. 2.(mainly showing ejector pin plate structure)
Wherein, 1, big top plate, 2, dynamic model mold core, 21, mounting hole, 22, spring eye, 23, through hole, 24, accommodating cavity, 3, extension
Cloth structure, 31, dossal needle, 311, dossal end, 312, ejection end, 313, prominent limiting section, 32, spring, 4, ejector retainner plate, 41, small
Top plate, 42, positioning plate, 421, T-type hole, 5, thimble, 6, top pillar, 7, baffle, 71, opening, 8, limited block, 331, through-hole.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
As shown in figures 1-4, the present invention provides a kind of dossal mechanism that anti-spring is stuck, including big top plate 1 and dynamic model mold core
2, big top plate 1 is located at the underface of dynamic model mold core 2, and the top of dynamic model mold core 2 is equipped with the dossal structure 3 for dossal, dynamic model mould
The bottom slidable of core 2 is equipped with ejector retainner plate 4, and ejector retainner plate 4 is equipped with thimble 5, and one end of thimble 5 is connected on ejector retainner plate 4, separately
One end extends through the bottom surface that dynamic model mold core 2 acts against dossal structure 3；
Dossal structure 3 includes dossal needle 31, and dynamic model mold core 2 is equipped with mounting hole 21, and dossal needle 31 is slidably fitted in peace
It fills in hole 21, is located at below mounting hole 21 on dynamic model mold core 2 and is equipped with the spring eye 22 coaxial with mounting hole 21, set in spring eye 22
There is spring 32, dossal needle 31 includes dossal end 311 and ejection end 312, and protrusion limit is equipped between dossal end 311 and ejection end 312
Position portion 313, the ejection end 312 of dossal needle 31 are placed in spring eye 22 and are threaded through among spring 32, one end top of spring 32
22 bottom of spring eye is leaned against, the other end acts against on the bottom surface of protrusion limiting section 313, and spring eye 22 is located on dynamic model mold core 2
Lower section is equipped with the through hole 23 coaxial with spring eye 22, and thimble 5 passes through through hole 23 and acts against on the bottom surface of dossal needle 31；
The big position corresponding with ejector retainner plate 4 of top plate 1 is equipped with top pillar 6, when die sinking, when the big top plate 1 is towards dynamic model
The ejection of 2 direction of mold core move to the subsequent reforwarding of predeterminated position it is dynamic when, the top pillar 6 acts against the bottom surface of ejector retainner plate 4, is used for
Push ejector retainner plate 4 that thimble 5 is driven up to eject.
The bottom slidable of dynamic model mold core 2 in the present invention be equipped with ejector retainner plate 4, in particular to, ejector retainner plate 4 include small top
The bottom surface of plate 41 and positioning plate 42, lower dynamic model mold core 2 is equipped with accommodating cavity 24, and small top plate 41 and positioning plate 42 are slidably located at
In accommodating cavity 24, and positioning plate 42 is equipped with T-type hole 421, thimble 5 one end far from dossal structure 3 adaptable with this
It is set as T-type structure, the annulus that one diameter is greater than 5 diameter of thimble particularly is set in the lower end of thimble 5, so thimble 5
Lower end by annulus limit cooperation in T-type hole 421, this structure install when, need by thimble 5 from the bottom up direction pass through T-type
Hole is limited in T-type hole by the T-type structure being arranged on thimble 5, and small top plate 41 is located at the lower section of positioning plate 42 and for that will push up
Needle 5 holds out against limit in T-type hole 421, prevents thimble from play occurs.
In the present embodiment, it is additionally provided with fixed plate 7 in the lower section of ejector retainner plate 4, when ejector retainner plate 4 resets, fixed plate 7 is used for
Vertical direction upper limit ejector retainner plate 4, and opening 71 is equipped in fixed plate 7, when big top plate 1, which ejects, to be moved, on big top plate 1
Top pillar 6 acted directly against on 4 bottom surface of ejector retainner plate by this opening.
When big 1 ejection of top plate acts in order to prevent, avoid directly with dynamic model core contact, so in big top plate 1 close to dynamic
It is equipped with limited block 8 on 2 one side surface of mould mold core and 2 four angle corresponding positions of dynamic model mold core, the setting of limited block 8 can be to big
Play the role of a buffer limit when contacting when top plate 1 ejects with 2 bottom of dynamic model mold core, the two directly contact is avoided, if dynamic
With big top plate 1 direct contact-impact, which occurs, for mould mold core 2 repeatedly to deform, and service life can also shorten, and dynamic model mold core 2 deforms
The quality of product will be directly affected.
In the present embodiment, dossal structure 3 further includes baffle 33, and baffle 33 is stretched equipped with the dossal end 311 for dossal needle 31
Through-hole 331 out, and when dossal needle 31 is ejected to extreme position, the upper surface of the protrusion limiting section 313 of dossal needle 31 acts against
On the lower surface of baffle 33, this baffle 33 mainly plays position-limiting action to the direction that moves upwards of dossal needle 31, due to dossal needle
31 lower ends are additionally provided with spring 32, if dossal needle 31 can scurry out installation under the effect of 32 elastic force of spring without this baffle 33
The risk in hole 21, it is very inconvenient until next time using reinstalling again, reduce production efficiency.
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This hair
Bright to be not only limited to above embodiments, specific structure is allowed to vary, all institutes in the protection scope of demand for independence of the present invention
The various change of work is within the scope of the invention.
Claims (5)
1. a kind of dossal mechanism that anti-spring is stuck, including big top plate (1) and dynamic model mold core (2), the big top plate (1) is located at dynamic
The underface of mould mold core (2), it is characterised in that: the top of the dynamic model mold core (2) is equipped with dossal structure (3), the dynamic model mould
The bottom slidable of core (2) is equipped with ejector retainner plate (4), and the ejector retainner plate (4) is equipped with thimble (5), and the one of the thimble (5)
End is connected on ejector retainner plate (4), and the other end extends through the bottom surface that dynamic model mold core (2) acts against dossal structure (3)；
The dossal structure (3) includes dossal needle (31), and the dynamic model mold core (2) is equipped with mounting hole (21), described
Dossal needle (31) is slidably fitted in mounting hole (21), be located at below mounting hole (21) on the dynamic model mold core (2) be equipped with
The coaxial spring eye (22) of mounting hole (21), the spring eye (22) is interior to be equipped with spring (32), dossal needle (31) packet
Dossal end (311) and ejection end (312) are included, protrusion limiting section is equipped between the dossal end (311) and ejection end (312)
(313), the ejection end (312) of the dossal needle (31) is placed in spring eye (22) and is threaded through among spring (32), described
One end of spring (32) acts against spring eye (22) bottom, and the other end acts against on the bottom surface of protrusion limiting section (313), described
Dynamic model mold core (2) on be located at spring eye (22) below be equipped with the through hole (23) coaxial with spring eye (22), the thimble
(5) through hole (23) are passed through to act against on the bottom surface of dossal needle (31)；
The big top plate (1) position corresponding with ejector retainner plate (4) is equipped with top pillar (6), when die sinking, when the big top plate (1)
Towards the ejection of dynamic model mold core (2) direction move to the subsequent reforwarding of predeterminated position it is dynamic when, the top pillar (6) acts against ejector retainner plate
(4) bottom surface, for pushing ejector retainner plate (4) that thimble (5) is driven up to eject.
2. a kind of stuck dossal mechanism of anti-spring according to claim 1, it is characterised in that: the ejector retainner plate (4)
Including small top plate (41) and positioning plate (42), the bottom surface of the dynamic model mold core (2) is equipped with accommodating cavity (24), the small top plate
(41) it is slidably located in accommodating cavity (24) with positioning plate (42), the positioning plate (42) is equipped with T-type hole (421), institute
In T-type hole (421), the small top plate (41) is located at positioning plate for one end limit of the thimble (5) stated far from dossal structure (3)
(42) lower section and for thimble (5) to be held out against limit in T-type hole (421).
3. a kind of stuck dossal mechanism of anti-spring according to claim 1 or 2, it is characterised in that: the ejector retainner plate (4)
Lower section be equipped with fixed plate (7), when ejector retainner plate (4) reset, the fixed plate (7) for limiting thimble in vertical direction
Plate (4), the fixed plate (7) are equipped with opening (71), are used for for top pillar (6) by acting against ejector retainner plate (4).
4. a kind of stuck dossal mechanism of anti-spring according to claim 1, it is characterised in that: the big top plate (1) is leaned on
Limited block (8) are equipped on nearly (2) one side surface of dynamic model mold core and (2) four angle corresponding positions of dynamic model mold core.
5. a kind of stuck dossal mechanism of anti-spring according to claim 1, it is characterised in that: the dossal structure
It (3) further include baffle (33), the baffle (33) is equipped with the through-hole stretched out for the dossal end (311) of dossal needle (31)
(331), when dossal needle (31) are ejected to extreme position, the upper surface of the protrusion limiting section (313) of the dossal needle (31) is abutted against
On the lower surface of baffle (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052749.9A CN108297339B (en) | 2018-01-19 | 2018-01-19 | A kind of dossal mechanism that anti-spring is stuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052749.9A CN108297339B (en) | 2018-01-19 | 2018-01-19 | A kind of dossal mechanism that anti-spring is stuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108297339A CN108297339A (en) | 2018-07-20 |
| CN108297339B true CN108297339B (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810052749.9A Active CN108297339B (en) | 2018-01-19 | 2018-01-19 | A kind of dossal mechanism that anti-spring is stuck |
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| CN (1) | CN108297339B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589867A (en) * | 2022-02-08 | 2022-06-07 | 浙江凯华模具有限公司 | Mold cloth hanging structure and using method thereof |
| CN116100741A (en) * | 2023-02-23 | 2023-05-12 | 宁波方正汽车模具股份有限公司 | Automobile ornament injection mold with cloth hanging needle position adjusting function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201329651Y (en) * | 2009-01-16 | 2009-10-21 | 延锋伟世通汽车模具有限公司 | Mold used for molding gas bag area of vehicle instrument panel |
| CN201530093U (en) * | 2009-11-17 | 2010-07-21 | 江苏文光车辆附件有限公司 | Injection mold inserts accurate positioning device |
| CN102205603B (en) * | 2011-04-28 | 2013-04-03 | 延锋伟世通汽车模具有限公司 | Mesh fabric insert bicoloured mould |
| CN103331873B (en) * | 2013-07-23 | 2015-10-28 | 天津国丰模具有限公司 | Low pressure injection mould and injection moulding process |
| FR3018722B1 (en) * | 2014-03-19 | 2016-03-25 | Faurecia Interieur Ind | METHOD FOR REALIZING A VEHICLE PANEL FOR COVERING AN AIRBAG MODULE |
| CN206106247U (en) * | 2016-09-26 | 2017-04-19 | 长春派格汽车塑料技术有限公司 | Surface fabric does not have tensilely and integrated into one piece mould is pasted to injection molding |
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| CN108297339A (en) | 2018-07-20 |
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