CN106313451B - A kind of reverse buckle demolding mechanism - Google Patents
A kind of reverse buckle demolding mechanism Download PDFInfo
- Publication number
- CN106313451B CN106313451B CN201611018450.9A CN201611018450A CN106313451B CN 106313451 B CN106313451 B CN 106313451B CN 201611018450 A CN201611018450 A CN 201611018450A CN 106313451 B CN106313451 B CN 106313451B
- Authority
- CN
- China
- Prior art keywords
- guide rail
- jacking block
- reverse buckle
- demolding mechanism
- ejection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
-
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C2045/445—Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article
-
- 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
- B29L2031/3044—Bumpers
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 reverse buckle demolding mechanisms; including auxiliary targeting part ejection part and be connected with ejection part point; targeting part is assisted to be set to mold exterior; ejection part point includes jacking block; auxiliary targeting part includes the pull rod that guide rail and one end are connected with guide rail and the other end is connect with jacking block; the guide surface of guide rail is S type structures; pull rod is driven to be moved up along guide rail when jacking block is ejected; pull rod moves left and right in the vertical direction of guide rail simultaneously; to drive jacking block to bounce back or ejection, the demoulding in product back-off face is completed.The reverse buckle demolding mechanism is mainly arranged on the more complicated mold of shaped article, when depanning front and the side ejection of product simultaneously thus solves the problems, such as that product stripping is difficult to complete inside contracting and resetting for shaped article；It assists targeting part to be mounted on mold exterior, simplifies mould structure, optimize die size, while ensureing mould structure reliability, reduce mould development cost, ensure product quality.
Description
Technical field
The invention belongs to mold design field, more particularly to a kind of reverse buckle demolding mechanism.
Background technology
Bumper is to absorb to mitigate foreign impacts power, the safety device of protection vehicle body front and rear part.It is commonly used
Be plastic bumper, be made of injection molding method.Plastic bumper has intensity, rigidity and dicoration, from the safety point of view,
Can play a buffer role in when automobile crashes, protect front and back car body, from the appearance point of view, can naturally enough with car body knot
It is combined, it is completely into one, there is dicoration well, become the important component of car appearance.
General insurance thick stick product structure is more complicated, when being demoulded after injection molding, to enable the smooth depanning of product, institute
Multiple ejection device mechanisms are usually arranged in the mold of use inside it, therefore, need large area to hollow out template when designing mold,
To place the ejection device mechanism in mould inside.It is exactly often to need to increase mold so to design the consequence brought
Appearance and size, this not only reduces the service life of mold, also increases the cost of manufacture of mold, and improves the production of product parts
Cost.
Invention content：
It is an object of the invention to overcome the prior art, a kind of reverse buckle demolding mechanism is provided, mold can be simplified
Structure optimizes die size.
To solve the above problems, the present invention provides following technical scheme：A kind of reverse buckle demolding mechanism comprising ejection part
And the auxiliary targeting part being connected with the ejection part point, wherein the auxiliary targeting part is set to mold exterior, institute
It point includes jacking block to state ejection part, and the auxiliary targeting part includes that guide rail and one end are connected and another with the guide rail
The pull rod being connect with the jacking block is held, the guide surface of the guide rail is S type structures, when the jacking block is ejected, drives institute
It states pull rod to move up along the guide rail, while the pull rod also moves left and right in the vertical direction of the guide rail, to band
The dynamic jacking block retraction or ejection, complete the demoulding in product back-off face.
Further, the pull rod is equipped with the sliding slot coordinated with the guide rail.
Further, the quantity of the auxiliary targeting part is two or more.
Further, the guide rail is mounted in rear mold.
Further, the ejection part further includes guide pad and the guide pad being connected at below the jacking block
The straight mandril of connection.
Further, the guide pad is T-type structure.
Further, the jacking block is flexibly connected with the guide pad, and the jacking block can be oppositely oriented block sliding.
Further, the ejection part further includes the mandril guide sleeve coordinated with straight mandril, and the mandril guide sleeve is to described
Mandril has lubricating action.
Further, it is suitable for automobile bumper forming dies.
Beneficial effects of the present invention：
Reverse buckle demolding mechanism in the present invention comprising ejection part and the auxiliary being connected with ejection part point are oriented to
Part, ejection part point includes jacking block, and auxiliary targeting part includes guide rail and one end and guide rail mating connection and the other end and top
The pull rod of block connection, guide rail is S type structures, when jacking block is ejected, while driving pull rod to be moved up along guide rail, and pull rod
Also it is moved left and right in the vertical direction of guide rail, to drive jacking block to move left and right, completes the demoulding in product back-off face.The back-off
Demoulding mechanism is mainly arranged on the more complicated mold of shaped article, and institute's shaped article is generally bumper,
Front and side under the mating reaction for assisting targeting part and ejection part, while to bumper are ejected to complete into
Type product is inside contracted and is resetted, and thus completes the smooth demoulding in back-off face, solves the problems, such as that product stripping is difficult.
The auxiliary targeting part of the reverse buckle demolding mechanism is mounted on mold exterior, in this way, being not required in because to be installed in
Portion and increase die boundary dimensions, to simplify mould structure, optimize die size, ensure mould structure reliability it is same
When, simplify Mold Making process, reduces mould development cost, and ensure product quality.
It is two or more to assist the quantity of targeting part, that is, can be according to product structure, in the different of mold
Position sets the quantity of multiple auxiliary targeting parts, and the ejection of product is completed with cooperation.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of reverse buckle demolding mechanism in the embodiment of the present invention；
Fig. 2 is the three-dimensional structure diagram for assisting targeting part in the embodiment of the present invention in reverse buckle demolding mechanism；
Fig. 3 is the fundamental diagram of reverse buckle demolding mechanism in the embodiment of the present invention.
Specific implementation mode
Embodiment：A kind of specific embodiment of reverse buckle demolding mechanism is present embodiments provided, which can use
In the demoulding of the more complicated product of some structures, such as the demoulding of bumper.Because in design vehicle bumper,
Not only to consider mechanical property when its use, it is also necessary to consider its apparent aesthetic feeling, and bumper is more wide
Greatly, and structure is complex, and when demoulding is more difficult, especially when it is buckled to face depanning, it is easy to cause the damage of appearance
It is bad.
As shown in Figure 1, the reverse buckle demolding mechanism provided in the present embodiment, including ejection part 1 and with ejection part 1
The auxiliary targeting part 2 of mating connection.When bumper demoulds, ejection part 1 and auxiliary targeting part 2 cooperate,
It is finally completed the demoulding of product.
Specifically, ejection part 1 includes jacking block 11, is connected at guide pad 12 and the company of guide pad 12 of 11 lower section of jacking block
The straight mandril 13 connect and the mandril guide sleeve 14 coordinated with straight mandril 13.Wherein, guide pad 12 is fixedly connected with straight mandril 13,
Connection type can be welding or screw connection.The up and down motion of straight mandril 13, directly drives the up and down motion of guide pad 12.
In the mechanism, jacking block 11 is to draw deformation jacking block, and guide pad 12 is the guide pad of T-type structure, the upper table of jacking block 11 and guide pad 12
Face is flexible connection, and jacking block 11 can horizontally slip relative to guide pad 12.That is, in ejection bumper product
When, in 13 upward ejection process of straight mandril, drives guide pad 12 to move up, while jacking block 11 moves upwards, led in auxiliary
To under the guiding mating reaction of part 2, jacking block 11 is also moved left and right in 12 upper surface of the guide pad of T-type structure, realizes level side
Ejection repeatedly and retraction upwards are achieved in the smooth depanning in bumper product back-off face.
Wherein, the angle of guide pad 12 can be adjusted as needed, to realize the direction of bumper dropout, because
This, which is applicable to the bumper of different structure, and application field is wider.
Mandril guide sleeve 14 is fixed in lower die, and mandril guide sleeve 14 is mainly made of brass and graphite, is had to straight mandril 13
There is lubricating action, prevents straight mandril 13 from causing to wear and reduce the service life of mold in the long-term use.
As shown in Fig. 2, auxiliary targeting part 2 includes the pull rod 22 that guide rail 21 and one end are connected with guide rail 21.It draws
22 other end of bar is fixedly connected with jacking block 11, can be attached between the two by welding or screw.It is transported in about 11 jacking block
When dynamic, pull rod 22 can be driven to move up and down along guide rail 21 simultaneously.
The guide surface of guide rail 21 is S type structures, when jacking block 11 is ejected, drives pull rod 22 along guide rail 21 to moving up
It is dynamic, while pull rod 22 also moves left and right in the vertical direction of guide rail 21, to drive jacking block 11 to bounce back or ejection, completes automobile
Bumper product is buckled to the demoulding in face.
Pull rod 22 can steadily be moved along the guide surface of guide rail 21, and the two is flexible connection, most common, is exactly being drawn
22 one side of bar is equipped with the sliding slot coordinated with guide rail 21, by sliding slot, realizes the movable property of pull rod 22.
Certainly, the position of the guide surface of guide rail 21 and angle also can be adjusted according to circumstances, it is possible thereby to adjust pull rod 22
Movement speed, and then control time and speed that jacking block 11 is threaded off.
In the reverse buckle demolding mechanism, auxiliary targeting part 2 is mounted on the outside of mold, 21 preferable installation position of middle guide
It is set to lower die.Also, on the whole, preferable set-up mode is：Guide rail 21 and pull rod 22 are mounted on the back side of jacking block 11, and position
Outside in ejection part 1.In this way, while realizing back-off demoulding, the structure of simplified mold can be advanced optimized.
That is, the reverse buckle demolding mechanism in the present embodiment, installs using in mold exterior and ejects the cooperation company of part 1
The auxiliary targeting part 2 connect, and optimize ejection 1 structure of part, in auxiliary targeting part 2 and the mating reaction for ejecting part 1
Under, while thus front to bumper and side ejection complete back-off to complete inside contracting and resetting for shaped article
The smooth demoulding in face solves the problems, such as product stripping difficulty.
Also, in the same mold, we can install two or more in multiple positions according to actual needs
Reverse buckle demolding mechanism improve the presentation quality of bumper product maximally to optimize mould structure as far as possible.
Below in conjunction with Fig. 3, by taking the reverse buckle demolding mechanism at one be arranged in mold as an example, it is former that its effect is expanded on further
Reason.
When molding, straight mandril 13 does not jack up upwards, and jacking block 11 is in location A, i.e. pull rod 22 is located at 21 bottom end of guide rail.
When demoulding, straight mandril 13 jacks up upwards, drives guide pad 12 to move up, guide pad 12 jacks up jacking block 11 upwards
Movement.Meanwhile jacking block 11 drives pull rod 22 to be moved up along guide rail 21, since the guide surface of guide rail 21 is S types, and by location A
When being moved to B location, guide surface is whole to be deviated to upper right side.At this point, pull rod 22 is moved also along guide rail 21 to upper right side, to
Jacking block 11 is driven to move right so that jacking block 11 ejects, and in the horizontal direction, jacking block 11 is equivalent to location A in B location and pushes up to the right
It is L1 to go out distance, thus completes the ejection of product side.
Later, straight mandril 13 continues up jack-up, and other parts move in succession, and jacking block 11 reaches location of C.From B
Location of C is set, the guide surface of guide rail 21 is whole to be deviated to upper left side, therefore jacking block is also moved to the left while moving up, that is, is existed
In horizontal direction, for jacking block 11 in location of C relative to B location, the distance being moved to the left is L2, thus completes the retraction of jacking block 11.
By the ejection in the horizontal direction of jacking block 11 and retraction, dexterously the back-off face of product can be demoulded,
Complete product trip action.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique
People can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all according to this hair
The equivalent transformation or modification that the Spirit Essence of bright main technical schemes is done, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of reverse buckle demolding mechanism, it is characterised in that：It includes ejection part and is connected with the ejection part point
Assist targeting part, wherein the auxiliary targeting part is set to mold exterior, and the ejection part point includes jacking block, the auxiliary
Targeting part includes the pull rod that guide rail and one end are connected with the guide rail and the other end is connect with the jacking block, described
The guide surface of guide rail is S type structures, when the jacking block is ejected, drives the pull rod to be moved up along the guide rail, together
Shi Suoshu pull rods also move left and right in the vertical direction of the guide rail, to drive the jacking block to bounce back or ejection, complete production
Product are buckled to the demoulding in face.
2. a kind of reverse buckle demolding mechanism according to claim 1, it is characterised in that：The pull rod is equipped with matches with the guide rail
The sliding slot of conjunction.
3. a kind of reverse buckle demolding mechanism according to claim 1, it is characterised in that：It is described auxiliary targeting part quantity be
Two or more.
4. a kind of reverse buckle demolding mechanism according to claim 1, it is characterised in that：The guide rail is mounted in rear mold.
5. a kind of reverse buckle demolding mechanism according to claim 1, it is characterised in that：The ejection part further includes that connection is set
Guide pad below the jacking block, the straight mandril being connect with the guide pad.
6. a kind of reverse buckle demolding mechanism according to claim 5, it is characterised in that：The guide pad is T-type structure.
7. a kind of reverse buckle demolding mechanism according to claim 5, it is characterised in that：The jacking block and guide pad activity
Connection, the jacking block can be oppositely oriented block sliding.
8. a kind of reverse buckle demolding mechanism according to claim 5, it is characterised in that：The ejection part further includes and directly pushes up
The mandril guide sleeve of bar cooperation, the mandril guide sleeve have lubricating action to the mandril.
9. a kind of reverse buckle demolding mechanism according to claim 5, it is characterised in that：It is suitable for automobile bumper molding moulds
Tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018450.9A CN106313451B (en) | 2016-11-15 | 2016-11-15 | A kind of reverse buckle demolding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018450.9A CN106313451B (en) | 2016-11-15 | 2016-11-15 | A kind of reverse buckle demolding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106313451A CN106313451A (en) | 2017-01-11 |
| CN106313451B true CN106313451B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611018450.9A Active CN106313451B (en) | 2016-11-15 | 2016-11-15 | A kind of reverse buckle demolding mechanism |
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| CN (1) | CN106313451B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366913B (en) * | 2018-11-23 | 2023-09-22 | 天津银宝山新科技有限公司 | Interior type tripping assembly |
| CN110271154B (en) * | 2019-07-24 | 2024-07-23 | 深圳市银宝山新科技股份有限公司 | Back-off demoulding device and automobile bumper mould |
| CN110328816B (en) * | 2019-08-12 | 2024-06-18 | 华域视觉科技(上海)有限公司 | Back-off demoulding mechanism and injection mould |
| CN113211742B (en) * | 2021-04-29 | 2023-03-24 | 浙江凯华模具有限公司 | Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold |
| CN113414953B (en) * | 2021-07-27 | 2024-10-01 | 重庆八菱汽车配件有限责任公司 | Daytime running light apron and demoulding mechanism |
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| CN206201396U (en) * | 2016-11-15 | 2017-05-31 | 昆山鸿永盛模具有限公司 | A kind of reverse buckle demolding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3104325B2 (en) * | 1991-09-30 | 2000-10-30 | 松下電器産業株式会社 | Resin molding equipment |
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2016
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Patent Citations (6)
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| CN201881498U (en) * | 2010-11-24 | 2011-06-29 | 富泰克精密注塑(苏州)有限公司 | Swinging de-molding mechanism |
| CN202021758U (en) * | 2010-12-30 | 2011-11-02 | 柳州五菱汽车有限责任公司 | Injection molding die for bumper |
| CN103909632A (en) * | 2014-04-02 | 2014-07-09 | 台州黄岩艾彼模具有限公司 | Lateral thrust pressure-bearing type bumper mould demoulding mechanism |
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| Publication number | Publication date |
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| CN106313451A (en) | 2017-01-11 |
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