CN105835317A - Large inclined head core-drawing mechanism - Google Patents
Large inclined head core-drawing mechanism Download PDFInfo
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- CN105835317A CN105835317A CN201610168901.0A CN201610168901A CN105835317A CN 105835317 A CN105835317 A CN 105835317A CN 201610168901 A CN201610168901 A CN 201610168901A CN 105835317 A CN105835317 A CN 105835317A
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- Prior art keywords
- big
- oblique top
- hole
- big oblique
- bar
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Toys (AREA)
Abstract
The invention provides a large inclined head core-drawing mechanism and belongs to the field of a mould technology. The problem that existing plastic parts with large back-off size and many ribs are hard in core-drawing and easy to adhere to an inclined head is solved. The large inclined head core-drawing mechanism comprises a first large inclined head positioned between two large side surfaces of a plastic body and a second large inclined head arranged opposite to the first large inclined head. The first inclined head cooperates with a large side surface of the plastic body, and the second inclined head cooperates with the other large side surface of the plastic body. The first large inclined head and the second large inclined head are in offside clearance, in which a support bar with one end passing through the first large inclined head is arranged. The other end of the support bar passes through the second large inclined head. An offside structure used for reducing width of the offside clearance when the first and second large inclined heads rise is arranged between the first large inclined head and the second large inclined head. The mechanism of the invention has advantages of reasonably designed structure, good core-drawing effect and the like.
Description
Technical field
The invention belongs to technical field of mold, relate to a kind of big slant-top core-pulling mechanism.
Background technology
Automobile Dashboard is assembled by plastic body and the big parts of skeleton two, and plastic is originally
Body is important automotive trim appearance member, and it typically uses has certain elasticity
PP+EPDM plastic material is molded.Owing to Automobile Dashboard body has structure again
The feature that miscellaneous and compact dimensions is big, easily causes dermatoglyph and scratches in the dermatoglyph knockout course of both sides
Problem, have a strong impact on the surface quality of body.Plastic body as shown in Figure 1, its
Front end has two big sides, and the inner side of two big sides has that back-off size is big, rib
The big face back-off that arrangement is many, owing to the existence of back-off causes the big side of plastic body to be loosed core
Difficulty, directly looses core and also can pull back-off and rib, makes the qualification rate of plastic body reduce.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of
Loose core effective big slant-top core-pulling mechanism.
The purpose of the present invention can be realized by following technical proposal:
This big slant-top core-pulling mechanism, big including between two big sides of plastic body
Oblique top one and the big oblique top two being oppositely arranged with big oblique top one, described big oblique top one with mould
Match in one big side of part body, another of described big oblique top two and plastic body
Matching in big side, it is characterised in that has between described big oblique top one and big oblique top two
Step down gap, have in described gap of stepping down that one end is located in big oblique top one
Strut, the other end of described support bar is located in big oblique top two, described big oblique top one
And it is provided with between big oblique top two when big oblique top one and big oblique top two rise between making to step down
What the width of gap diminished allow bit architecture.
In above-mentioned big slant-top core-pulling mechanism, the described bit architecture that allows includes being located at the most tiltedly
Through hole one on top one and the through hole being oppositely arranged with through hole one being located in big oblique top two
Two, above-mentioned support bar is located in through hole one and through hole two；When described big oblique top one
Abut on a big side and big oblique top two abuts in described support time on another big side
One end of bar and the flush with outer surface of big oblique top one, the other end of support bar and big oblique top two
Flush with outer surface；Described big oblique top one, it is provided with between big oblique top two and support bar and works as
For making big oblique top one, big oblique top two after oblique top one, big oblique top two move to position relatively greatly
Fixed structure relatively-stationary with support bar.
In above-mentioned big slant-top core-pulling mechanism, described fixed structure includes being located at through hole
Diameter at one the inner is more than the installing hole one of through hole one and is located at the diameter of through hole two the inner
More than the installing hole two of through hole two, this installing hole one is axially fixed with elastic ring one, described
In one end of support bar is located in this elastic ring one and with this elastic ring one tight fit, this peace
Dress is axially fixed with elastic ring two in hole two, and the other end of described support bar is located in this bullet
Property circle two in and with this elastic ring two tight fit.
The elastic ring one at this place is made by rubber with elastic ring two, between itself and support bar
There is frictional force.When big oblique top one moves upward with big oblique top two, plastic body big
Big oblique top one and big oblique top two are extruded by side, its extruding force support bar axially on point
When power is more than frictional force, big oblique top one and big oblique top two can be promoted along the axial phase of support bar
To motion, the width in gap of stepping down between big oblique top one and big oblique top two diminishes, owing to propping up
The length of strut is constant, and under the effect of support bar, the distance of two big sides is constant, from
And the back-off on big side is come off from big oblique top one with rib with big oblique top two.
In above-mentioned big slant-top core-pulling mechanism, described support bar is two.With support
Through hole one and through hole two that bar is supporting are also two, and two support bars are arranged side by side, and can have
The two ends imitating side big to plastic body are supported.
In above-mentioned big slant-top core-pulling mechanism, described support bar includes stretching to through hole
Bar one in one and the bar two stretched in through hole two, described bar one coaxially sets with bar two
Put, between described bar one and bar two, be provided with the position limiting structure for both being connected.
In above-mentioned big slant-top core-pulling mechanism, described position limiting structure includes being located at bar one
Inner head one, the head two being located at bar two the inner and fixing seat, described fixing seat
On there is the bayonet socket one for limiting head one axially-movable and axial for limiting head two
The bayonet socket two of motion, described head one is connected in bayonet socket one, and described head two is blocked
It is connected in bayonet socket two.
In above-mentioned big slant-top core-pulling mechanism, the inner side of described big oblique top one have for
Accommodating receiving half groove one of fixing seat, described installing hole one is located at the end accommodating half groove one
Portion；The inner side of described big oblique top two has receiving half groove two for accommodating fixing seat, institute
The installing hole two stated is located at the bottom accommodating half groove two.
Receiving half groove one it is set and accommodates half groove two, being used for accommodating fixing seat, prevent from fixing
Seat hinders big oblique top one to draw close with big oblique top two, can effectively ensure that big oblique top one and big oblique top
Two step down when the drawing close width in gap are minimum.
The process of loosing core of this big slant-top core-pulling mechanism is as follows: in the driving effect driving structure
Under, big oblique top one moves upward with big oblique top two simultaneously, and the big side of plastic body is inside
Tilting, big oblique top one and big oblique top two are produced extruding force, its extruding force is at support bar axle
When component upwards is more than the frictional force of support bar and through hole one and through hole two, big oblique top one
With the big relative inward of oblique top two, now the outer end of bar one is stretched out big oblique top and is withstood in the lump
On one big side of plastic body, the outer end of bar two is stretched out big oblique top two and withstands on plastic
On another big side of body, big oblique top one separates with a big side, big oblique top two with
Another big side separation so that the back-off on big side and rib are oblique with big from big oblique top one
Come off on top two, reach antiseized purpose.Complete after this small distance looses core, then pass through machine
Tool pulls the state that dynamic two big sides continue to be flared out having reached to loose core, and finally leads to
Cross mechanical hand pickup and obtain intact product.
Compared with prior art, this big slant-top core-pulling mechanism has the advantage that
Its reasonable in design, can be by volume is relatively big and medial surface back-off size is big, rib
Many plastic bodies of arranging are loosed core, through in big oblique top one by the support bar arranged
And between big oblique top two, reaching the purpose of anti-sticking to mould, anti-adhesion effects is good, after loosing core
The product obtained stands intact, and product quality is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plastic body that the present invention provides.
Fig. 2 is the structural representation of a kind of preferred embodiment that the present invention provides.
Fig. 3 is the part-structure schematic diagram of the core-pulling mechanism that the present invention provides.
Fig. 4 is the sectional view of the big slant-top core-pulling mechanism that the present invention provides.
Fig. 5 is the structural representation of the support bar that provides of the present invention and fixing seat.
In figure, 1, plastic body；2, big oblique top one；21, through hole one；22, install
Kong Yi；3, big oblique top two；31, through hole two；32, installing hole two；41, elastic ring one；
42, elastic ring two；51, bar one；52, bar two；53, head one；54, head two；
6, fixing seat；71, half groove one is accommodated.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
Big slant-top core-pulling mechanism as shown in Figure 2, big including being positioned at plastic body 1 two
Big oblique top 1 between side and the big oblique top 23 being oppositely arranged with big oblique top 1,
Big oblique top 1 matches with plastic body 1 big side, big oblique top 23 with mould
Match in another big side of part body 1.Have between big oblique top 1 and big oblique top 23
Step down gap, there is in gap of stepping down the support bar that one end is located in big oblique top 1,
The other end of support bar is located in big oblique top 23, big oblique top 1 and big oblique top 23
Between be provided with when big oblique top 1 rises the width for the gap that makes to step down with big oblique top 23
Spend the bit architecture that allows diminished.
As shown in Figure 4, bit architecture is allowed to include the through hole 1 being located in big oblique top 1
With the through hole 2 31 being oppositely arranged with through hole 1 being located in big oblique top 23, support
Bar is located in through hole 1 and through hole 2 31；When big oblique top 1 abuts in one greatly
On side and big oblique top 23 abut in time on another big side one end of support bar with big tiltedly
Pushing up the flush with outer surface of 1, the other end of support bar is flat with the outer surface of big oblique top 23
Together；Big oblique top 1, it is provided with between big oblique top 23 and support bar when big oblique top 1, big
Oblique top 23 relative motion put in place after for make big oblique top 1, big oblique top 23 and support
The relatively-stationary fixed structure of bar.
As shown in Figure 4, fixed structure includes that being located at the diameter at through hole 1 the inner is more than
The installing hole 1 of through hole 1 and the diameter being located at through hole 2 31 the inner are more than through hole two
The installing hole 2 32 of 31, this installing hole 1 is axially fixed with elastic ring 1, supports
In one end of bar is located in this elastic ring 1 and with this elastic ring 1 tight fit, should
Axially being fixed with elastic ring 2 42 in installing hole 2 32, the other end of support bar is located in
In this elastic ring 2 42 and with this elastic ring 2 42 tight fit.
The elastic ring 1 at this place is made by rubber with elastic ring 2 42, itself and support
There is between bar frictional force.When big oblique top 1 moves upward with big oblique top 23, mould
Big oblique top 1 and big oblique top 23 are extruded by the big side of part body 1, and its extruding force exists
When component on support bar is axial is more than frictional force, big oblique top 1 and big oblique top can be promoted
23 is moving axially relative along support bar, allows between big oblique top 1 and big oblique top 23
The width of interdigit gap diminishes, owing to the length of support bar is constant, under the effect of support bar
The distance of two big sides is constant, so that the back-off on big side and rib are from big oblique
Push up 1 to come off in big oblique top 23.
As it is shown on figure 3, support bar is two, the through hole one 21 supporting with support bar and logical
Hole 2 31 is also two, and two support bars are arranged side by side, can be effectively to plastic body 1
The two ends of big side are supported.
As it is shown in figure 5, support bar includes the bar 1 stretching in through hole 1 and stretches
Entering the bar 2 52 to through hole 2 31, bar 1 is coaxially disposed with bar 2 52, bar one
The position limiting structure for both being connected it is provided with between 51 and bar 2 52.
As it is shown in figure 5, position limiting structure include being located at bar 1 the inner head 1,
Be located at head 2 54 and the fixing seat 6 of bar 2 52 the inner, fixing seat 6 has for
Limit the bayonet socket one of head 1 axially-movable and be used for limiting head 2 54 axially-movable
Bayonet socket two, head 1 is connected in bayonet socket one, and head 2 54 is connected to bayonet socket two
In.
As it is shown on figure 3, the inner side of big oblique top 1 has the appearance for accommodating fixing seat 6
Receiving half groove 1, installing hole 1 is located at the bottom accommodating half groove 1；Big oblique top two
The inner side of 3 has receiving half groove two for accommodating fixing seat 6, and installing hole 2 32 is located at
Accommodate the bottom of half groove two.Receiving half groove 1 it is set and accommodates half groove two, being used for accommodating
Fixing seat 6, prevents fixing seat 6 from hindering big oblique top 1 to draw close with big oblique top 23, can
The width that step down gap is effectively ensured when big oblique top 1 is drawn close with big oblique top 23 is minimum.
The process of loosing core of this big slant-top core-pulling mechanism is as follows: in the driving effect driving structure
Under, big oblique top 1 moves upward with big oblique top 23 simultaneously, the big side of plastic body 1
Towards tilted, big oblique top 1 and big oblique top 23 are produced extruding force, its extruding force
Support bar axially on component rubbing more than support bar and through hole 1 and through hole 2 31
During wiping power, big oblique top 1 and the big opposed, inwardly directed motion of oblique top 23, now bar 1
Outer end stretch out big oblique top 1 and withstand on a big side of plastic body 1, bar two
The outer end of 52 is stretched out big oblique top 23 and withstands on another big side of plastic body 1, greatly
Oblique top 1 separates with a big side, and big oblique top 23 separates with another big side, makes
The back-off obtained on big side comes off from big oblique top 1 with rib with big oblique top 23, reaches
To antiseized purpose.Complete after this small distance looses core, then by mechanical hand pull two big
The state being flared out having reached to loose core is continued in side, obtains finally by mechanical hand pickup
Obtain intact product.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (7)
1. a Zhong great slant-top core-pulling mechanism, including being positioned at (1) two big side of plastic body
Big oblique top one (2) between face and the big oblique top two being oppositely arranged with big oblique top one (2)
(3), described big oblique top one (2) matches with a big side of plastic body (1)
Closing, described big oblique top two (3) matches with another big side of plastic body (1),
It is characterized in that having between described big oblique top one (2) and big oblique top two (3) and allow
Interdigit gap, have in described gap of stepping down that one end is located in big oblique top one (2)
Strut, the other end of described support bar is located in big oblique top two (3), and described is big oblique
It is provided with between top one (2) and big oblique top two (3) when big oblique top one (2) and big oblique top two
(3) what when rising, width for the gap that makes to step down diminished allow bit architecture.
Big slant-top core-pulling mechanism the most according to claim 1, it is characterised in that institute
The bit architecture that allows stated includes the through hole one (21) being located in big oblique top one (2) and is located at big
The through hole two (31) being oppositely arranged with through hole one (21) in oblique top two (3), above-mentioned
Support bar be located in through hole one (21) with in through hole two (31)；When described big tiltedly
Top one (2) abuts on a big side and big oblique top two (3) abuts in another big side
One end of described support bar and the flush with outer surface of big oblique top one (2), support bar time on face
The flush with outer surface of the other end and big oblique top two (3)；Described big oblique top one (2),
It is provided with between oblique top two (3) and support bar when big oblique top one (2), big oblique top two (3) greatly
Relative motion put in place after for making big oblique top one (2), big oblique top two (3) and support bar phase
To fixing fixed structure.
Big slant-top core-pulling mechanism the most according to claim 2, it is characterised in that institute
The fixed structure stated includes being located at the diameter at through hole one (21) the inner more than through hole one (21)
Installing hole one (22) and be located at the inner diameter of through hole two (31) more than through hole two (31)
Installing hole two (32), this installing hole one (22) is axially fixed with elastic ring one (41),
In one end of described support bar is located in this elastic ring one (41) and with this elastic ring one (41)
Tight fit, is axially fixed with elastic ring two (42) in this installing hole two (32), described
In the other end of strut is located in this elastic ring two (42) and with this elastic ring two (42)
Tight fit.
4. according to the big slant-top core-pulling mechanism described in claim 1 or 2 or 3, its feature
Being, described support bar is two.
Big slant-top core-pulling mechanism the most according to claim 2, it is characterised in that institute
The support bar stated includes the bar one (51) stretching in through hole one (21) and stretches to lead to
Bar two (52) in hole two (31), described bar one (51) is coaxial with bar two (52)
Arrange, be provided with for both are connected between described bar one (51) and bar two (52)
Position limiting structure.
Big slant-top core-pulling mechanism the most according to claim 5, it is characterised in that institute
The position limiting structure stated includes being located at the inner head one (53) of bar one (51), being located at bar two
(52) inner head two (54) and fixing seat (6), on described fixing seat (6)
There is the bayonet socket one for limiting head one (53) axially-movable and be used for limiting head two
(54) bayonet socket two of axially-movable, described head one (53) is connected in bayonet socket one,
Described head two (54) is connected in bayonet socket two.
Big slant-top core-pulling mechanism the most according to claim 6, it is characterised in that institute
The inner side stating big oblique top one (2) has receiving half groove one for accommodating fixing seat (6)
(71), described installing hole one (22) is located at the bottom accommodating half groove one (71)；Institute
The inner side stating big oblique top two (3) has receiving half groove two for accommodating fixing seat (6),
Described installing hole two (32) is located at the bottom accommodating half groove two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168901.0A CN105835317B (en) | 2016-07-04 | 2016-07-04 | Big inclined-tip core mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168901.0A CN105835317B (en) | 2016-07-04 | 2016-07-04 | Big inclined-tip core mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105835317A true CN105835317A (en) | 2016-08-10 |
| CN105835317B CN105835317B (en) | 2019-03-26 |
Family
ID=56583067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610168901.0A Active CN105835317B (en) | 2016-07-04 | 2016-07-04 | Big inclined-tip core mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105835317B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901373A (en) * | 2023-09-08 | 2023-10-20 | 常州华威模具有限公司 | Automobile auxiliary instrument board preparation device and preparation method thereof |
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| JPH065930U (en) * | 1992-06-30 | 1994-01-25 | ぺんてる株式会社 | Gate cutting device for injection mold |
| US20070243286A1 (en) * | 2006-04-18 | 2007-10-18 | Cheng Uei Precision Industry Co., Ltd. | Angular ejector mechanism and injection mold with the same |
| CN102601935A (en) * | 2011-12-16 | 2012-07-25 | 景智电子股份有限公司 | Die device |
| CN202805564U (en) * | 2012-09-14 | 2013-03-20 | 宁波宇升模业有限公司 | Inclined-ejecting core-pulling mechanism with transverse pull core |
| CN103496064A (en) * | 2013-09-30 | 2014-01-08 | 凡嘉科技（无锡）有限公司 | Mould structure for completing core pulling by driving small sliding block by large sliding block |
| CN103817871A (en) * | 2012-11-17 | 2014-05-28 | 王瑞 | Inclined pushing core-pulling device with horizontal core-pulling block |
| CN203712916U (en) * | 2014-01-27 | 2014-07-16 | 宁波双林模具有限公司 | De-molding mechanism for plastic part |
| CN205588581U (en) * | 2016-07-04 | 2016-09-21 | 浙江台州美多模具有限公司 | Big mechanism of loosing core of pushing up to one side |
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2016
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH065930U (en) * | 1992-06-30 | 1994-01-25 | ぺんてる株式会社 | Gate cutting device for injection mold |
| US20070243286A1 (en) * | 2006-04-18 | 2007-10-18 | Cheng Uei Precision Industry Co., Ltd. | Angular ejector mechanism and injection mold with the same |
| CN102601935A (en) * | 2011-12-16 | 2012-07-25 | 景智电子股份有限公司 | Die device |
| CN202805564U (en) * | 2012-09-14 | 2013-03-20 | 宁波宇升模业有限公司 | Inclined-ejecting core-pulling mechanism with transverse pull core |
| CN103817871A (en) * | 2012-11-17 | 2014-05-28 | 王瑞 | Inclined pushing core-pulling device with horizontal core-pulling block |
| CN103496064A (en) * | 2013-09-30 | 2014-01-08 | 凡嘉科技（无锡）有限公司 | Mould structure for completing core pulling by driving small sliding block by large sliding block |
| CN203712916U (en) * | 2014-01-27 | 2014-07-16 | 宁波双林模具有限公司 | De-molding mechanism for plastic part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901373A (en) * | 2023-09-08 | 2023-10-20 | 常州华威模具有限公司 | Automobile auxiliary instrument board preparation device and preparation method thereof |
| CN116901373B (en) * | 2023-09-08 | 2023-11-17 | 常州华威模具有限公司 | Automobile auxiliary instrument board preparation device and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105835317B (en) | 2019-03-26 |
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Denomination of invention: Large inclined top core pulling mechanism Effective date of registration: 20220727 Granted publication date: 20190326 Pledgee: Industrial Commercial Bank of China Ltd. Taizhou Huangyan branch Pledgor: ZHEJIAG TAIZHOU MEIDUO MOULD Co.,Ltd. Registration number: Y2022330001541 |