CN202021758U - Injection molding die for bumper - Google Patents
Injection molding die for bumper Download PDFInfo
- Publication number
- CN202021758U CN202021758U CN2010206924689U CN201020692468U CN202021758U CN 202021758 U CN202021758 U CN 202021758U CN 2010206924689 U CN2010206924689 U CN 2010206924689U CN 201020692468 U CN201020692468 U CN 201020692468U CN 202021758 U CN202021758 U CN 202021758U
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- CN
- China
- Prior art keywords
- bumper
- injection mold
- retainner plate
- ejector retainner
- mold according
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Abstract
The utility model discloses an injection molding die for a bumper, which comprises a die base, a mold core, an ejector retainer plate, an ejector retainer plate resetting device and forced ejection mechanisms, wherein the forced ejection mechanisms are arranged at both sides of the mold core. Each forced ejection mechanism comprises a forced ejection sliding block and a driving device. The driving devices are used for driving the corresponding forced ejection sliding blocks. The forced ejection sliding blocks are matched with the mold core to form a forming surface of a flanging of the bumper. After the bumper is formed, the forced ejection sliding blocks are driven by the driving devices to move outwards; the flanging of the bumper is driven by the forced ejection sliding blocks to move outwards, so that the local demoulding of the bumper and the mold core is completed; and then the ejector retainer plate is driven by an external driving device to eject outwards, so that the completed demoulding of the bumper is realized. Therefore, the die not only can ensure the bumper to be demoulded successfully, is simple integrally and is simple, rapid and convenient to assemble, disassemble and maintain, the time is saved, and the working efficiency is improved.
Description
Technical field
The utility model relates to automobile manufacturing field, more particularly, relates to a kind of injection mold that is used to make bumper.
Background technology
Along with the development of society, people's living standard improves day by day, and automobile has become the part of people's life.People are also more and more higher to the requirement of automobile, not only require automobile to have good performance, and require automobile to have good appearance profile and comfortable internal and external ornament.The automobile internal and external ornament mainly passes through the injection mold high-pressure injection molding by raw materials for plastics production, and is wherein outstanding with bumper.
Bumper not only can influence the car conour profile, and can provide safety guarantee for automobile, and therefore, bumper not only will have good appearance profile, but also will have good quality intensity; In the bumper injection moulding knockout course of reality, the bumper flange is owing to reasons in structure direct demold difficulty, and like this, the scheme of mould structure design will directly have influence on the outward appearance and the quality of bumper product.
Please refer to Fig. 1, a kind of bumper mold structural representation that Fig. 1 provides for prior art.
At present, the bumper mold in the use is taken out the form demoulding in mostly adopting, this mould comprise mold base 1, ejector retainner plate 2, first oil cylinder 3, core 4, second oil cylinder 5, in take out slide block 6, angle ejector rod 7 and slanted kicking block 8.After the bumper injection mo(u)lding during demoulding, second oil cylinder 5 at first moves, taking out slide block 6 in the driving moves to inside, realize the local demoulding of bumper, then, ejector retainner plate 2 is the driving action down of power set externally, drives angle ejector rod 7 and slanted kicking block 8 and outwards bumper is ejected, and realizes whole demouldings of bumper product.
But, in order to allow the dashboard of product the smooth demoulding of flange is installed and take out the slide block 6 and second oil cylinder 5 in designing, take out slide block 6 simultaneously and need to reserve the oblique top mobile space, simultaneously because of in to take out slide block 6 be hydraulic oil cylinder driving, too much oil cylinder or parts make crowded, the narrow space of the layout of mold integral, cause complex operations such as installing/dismounting.Especially in the course of the work, the situation that angle ejector rod bending, fracture take place owing to the angle ejector rod unbalance stress happens occasionally, and has increased maintenance frequency, and in the maintenance process, need to dismantle miscellaneous part again probably and just can reach maintenance, lose time, influence operating efficiency trouble unit.
Therefore, how to make mold integral succinct, be convenient to the dismounting maintenance, increasing work efficiency simultaneously is the problem that those skilled in the art need solve.
The utility model content
The purpose of this utility model provides a kind of bumper injection mold, and this injection mold is whole succinct, is convenient to the dismounting maintenance, can increase work efficiency simultaneously.
For achieving the above object, the utility model provides a kind of bumper injection mold, this injection mold comprises mold base, core, ejector retainner plate and ejector retainner plate resetting means, also comprise the pressure ejecting mechanism, described pressure ejecting mechanism is installed on described core both sides, described pressure ejecting mechanism comprises to be forced to eject slide block and drive unit, and described drive unit drives described pressure and ejects slide block, and described pressure ejects match with the described core forming surface of formation bumper flange of slide block.
Preferably, the described pressure forming surface that ejects slide block is provided with the pin perpendicular to described forming surface.
Preferably, described pin quantity is two, and two described pin lines are identical with described bumper flange bearing of trend.
Preferably, described ejector retainner plate and described pressure ejecting mechanism are provided with and are used to the guiding parts that ejects, reset.
Preferably, described guiding parts is specially copper sheathing.
Preferably, described ejector retainner plate resetting means is specially spring, and described spring is supported in respectively on the described ejector retainner plate face relative with described core.
Preferably, described ejector retainner plate resetting means is specially hydraulic jack, and described hydraulic jack is arranged at the described die main body outside.
Preferably, described hydraulic jack quantity is four, is symmetrically distributed in described die main body both sides.
Preferably, described core both sides are provided with the ejector retainner plate release link.
Preferably, described drive unit is specially hydraulic jack.
With respect to the above-mentioned background technology, the bumper injection mold that the utility model provides comprises mold base, core, ejector retainner plate and ejector retainner plate resetting means, in addition, also comprise the pressure ejecting mechanism, described pressure ejecting mechanism is installed on described core both sides, described pressure ejecting mechanism comprises to be forced to eject slide block and drive unit, and described drive unit drives described pressure and ejects slide block, and described pressure ejects match with the described core forming surface of formation bumper flange of slide block.
Take out a series of parts such as slide block, second oil cylinder, angle ejector rod, slanted kicking block in the bumper injection mold that the utility model provides has saved, make mold integral succinct, be convenient to dismounting; While is for the smooth demoulding of guarantee insurance thick stick flange, added the pressure ejecting mechanism, force ejecting mechanism to comprise and force to eject slide block and drive unit, pressure ejects slide block simultaneously also as the forming surface of bumper flange, cooperate the injection mo(u)lding of finishing bumper jointly with core, after the moulding, the drive unit driving is forced to eject slide block and is outwards moved, pressure ejects the outside motion of slide block drive bumper flange and finishes the local demoulding with core, then, ejector retainner plate externally outwards ejects under the driving of drive unit, realizes the whole demoulding of bumper.
Like this, this mould can make the smooth demoulding of bumper, and mold integral is succinct, and dismounting is easy to maintenance quick, saves time, and has improved operating efficiency, simultaneously, has saved the multiple parts of fault, has reduced maintenance times, has further improved operating efficiency.
Description of drawings
A kind of bumper mold structural representation that Fig. 1 provides for prior art;
The structural representation of a kind of bumper injection mold that Fig. 2 provides for the utility model;
Fig. 3 is the structural representation of the utility model bumper casting mold cast product.
The specific embodiment
The utility model discloses a kind of bumper injection mold, this injection mold is whole succinct, is convenient to the dismounting maintenance, can increase work efficiency simultaneously.
In order to make those skilled in the art understand the technical solution of the utility model better, the technical scheme that the utility model provides is described in further detail below in conjunction with the drawings and specific embodiments.Technical scheme provided by the invention is based on prior art, therefore, continues to use Reference numeral in the background technology with the lower part.
Please refer to Fig. 2, the structural representation of a kind of bumper injection mold that Fig. 2 provides for the utility model.
The bumper injection mold that the utility model provides comprises mold base 1, ejector retainner plate 2, ejector retainner plate resetting means 3 and core 4, in addition, also comprise and force ejecting mechanism 5, pressure ejecting mechanism 5 is installed on core 4 both sides and is fixed on the mold base 1, for the ease of dismounting maintenance or replacing, fixed form generally adopts bolting; Force ejecting mechanism 5 to comprise and force to eject slide block 51 and drive unit 52, pressure ejects slide block 51 and matches with core 4 and form the forming surface of bumper flange, the moulding that is to say this structure of bumper flange realizes by forcing to eject slide block 51, drive unit 52 drives to be forced to eject slide block 51, can make to force to eject slide block 51 direction of the release core 4 predefined segment distance that slides of supporting or opposing.
Behind the product moulding by casting, when needing the demoulding, at first, drive unit 52 action drives and forces to eject the support or oppose direction of release core 4 of slide block 51 and slide, simultaneously, drive in this structure of bumper flange of forcing to eject moulding on the slide block 51 to two lateral movements, the bumper product is whole to produce distortion, then, ejector retainner plate 2 is the down action of driving of drive unit externally, outwards moves and then makes the whole demoulding fully of bumper product.Behind the product stripping, 3 actions of ejector retainner plate resetting means reset ejector retainner plate 2, force ejecting mechanism to reset simultaneously, so that finish cast next time.
Pressure ejects slide block 51 can also further be provided with pin, and the bearing of trend of pin is perpendicular to the forming surface of forcing to eject slide block 51.In the above-described embodiments, also need be behind the product stripping in the further processing mounting holes of bumper flange, so that finish the installation between bumper and the automobile, and after on the forming surface of forcing to eject slide block 51 pin being set, in casting process, because pin structure, can make the direct moulding by casting of installing hole of bumper flange, saved the operation of further processing mounting holes, improved production efficiency, and, lateral stressed stable between pin and the bumper flange installing hole, be more conducive to force to eject slide block 51 and drive the action of bumper flange.
In order better to install and fix bumper, bumper flange installing hole is generally by two or three, and the line between the installing hole is identical with the bearing of trend of bumper flange.In the present embodiment, the line that the quantity of forcing to eject slide block 51 set pins is specially two and two pins is identical with bumper flange bearing of trend, can certainly be three or more; Like this, during formed product, the bumper flange forms two installing holes, with installing and fixing of guarantee insurance thick stick.
Guiding parts is typically provided to cylindric, and the motion rod member outside that is socketed in ejector retainner plate or forces ejecting mechanism 5 play the guiding role.Guiding parts can be specially copper sheathing; because copper material is softer with respect to the material of motion rod member self; eject at the motion rod member, in the reseting procedure; there is mutual wear condition between the two; adopt copper sheathing; can protect the mould self structure not to be damaged to greatest extent, and the cost of changing copper sheathing is also relatively low.
Ejector retainner plate resetting means 3 can be specially spring, and spring is supported in respectively on the relative face of ejector retainner plate 2 and core 4.During the demoulding, because external driver device drives ejector retainner plate 2 actions, the while extrusion spring, after the demoulding was finished, external driver device quit work, and ejector retainner plate 2 automatically resets in the elastic force effect of spring.Spring structure is simple, and cost is low.
In practical work process, along with being compressed number of times, spring increases, spring self fatigue strength reduces, elasticity capacity descends, need the number of times of replacing more, influence operating efficiency, if adopt the high-performance spring, though can reduce the number of times of changing spring, the cost of high-performance spring is too high, and it is inapplicable, so ejector retainner plate resetting means 3 can also be specially hydraulic jack, hydraulic jack is arranged at the die main body both sides, in order better to reset, hydraulic jack is generally two or four and symmetrical distribution, and what provide in the present embodiment is four hydraulic jacks.The cost of hydraulic jack is between common spring and high-performance spring, and the job stability height of hydraulic jack, and shelf life is long.
The bumper casting mold that the utility model provides also comprises ejector retainner plate release link 6, and ejector retainner plate release link 6 the inners link to each other with ejector retainner plate 2, and the outer end can stretch out in the die main body outside.When ejector retainner plate 2 actions ejected, ejector retainner plate release link 6 also outwards ejected along with ejector retainner plate 2, behind product stripping, during cast next time matched moulds, the ejector retainner plate release link 6 mould exocoel of conflicting at first in exocoel matched moulds process, pushes back original state to finish matched moulds with ejector retainner plate release link 6 gradually.After ejector retainner plate release link 6 can guarantee matched moulds, ejector retainner plate 2 resetted and puts in place, when preventing that ejector retainner plate resetting means 3 from breaking down, can not make ejector retainner plate 2 latter that resets reset not in placely, made between mould exocoel and the core 4 to bump, and phenomenons such as mold damage take place.
Force the drive unit 52 of ejecting mechanism 5 also can be specially hydraulic jack, the hydraulic jack working stability, cost is lower, and long service life.
Please refer to Fig. 3, Fig. 3 is the structural representation of the utility model bumper casting mold cast product.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. bumper injection mold, comprise mold base, core, ejector retainner plate and ejector retainner plate resetting means, it is characterized in that, also comprise the pressure ejecting mechanism, described pressure ejecting mechanism is installed on described core both sides, described pressure ejecting mechanism comprises to be forced to eject slide block and drive unit, and described drive unit drives described pressure and ejects slide block, and described pressure ejects match with the described core forming surface of formation bumper flange of slide block.
2. bumper injection mold according to claim 1 is characterized in that, the forming surface that described pressure ejects slide block is provided with the pin perpendicular to described forming surface.
3. bumper injection mold according to claim 2 is characterized in that, described pin quantity is two, and two described pin lines are identical with described bumper flange bearing of trend.
4. bumper injection mold according to claim 2 is characterized in that, described ejector retainner plate and described pressure ejecting mechanism are provided with and are used to the guiding parts that ejects, reset.
5. bumper injection mold according to claim 4 is characterized in that described guiding parts is specially copper sheathing.
6. bumper injection mold according to claim 1 is characterized in that, described ejector retainner plate resetting means is specially spring, and described spring is supported in respectively on the described ejector retainner plate face relative with described core.
7. bumper injection mold according to claim 1 is characterized in that, described ejector retainner plate resetting means is specially hydraulic jack, and described hydraulic jack is arranged at the described die main body outside.
8. bumper injection mold according to claim 7 is characterized in that, described hydraulic jack quantity is four, is symmetrically distributed in described die main body both sides.
9. bumper injection mold according to claim 1 is characterized in that, described core both sides are provided with the ejector retainner plate release link.
10. bumper injection mold according to claim 1 is characterized in that described drive unit is specially hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206924689U CN202021758U (en) | 2010-12-30 | 2010-12-30 | Injection molding die for bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206924689U CN202021758U (en) | 2010-12-30 | 2010-12-30 | Injection molding die for bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202021758U true CN202021758U (en) | 2011-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206924689U Expired - Fee Related CN202021758U (en) | 2010-12-30 | 2010-12-30 | Injection molding die for bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202021758U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909834A (en) * | 2012-10-15 | 2013-02-06 | 宁波瑞元模塑有限公司 | Rack double ejection device |
| CN106313451A (en) * | 2016-11-15 | 2017-01-11 | 昆山鸿永盛模具有限公司 | Unscrewing mold stripping mechanism |
| CN106335166A (en) * | 2016-11-24 | 2017-01-18 | 台州市黄岩宏特精工模具有限公司 | Injection mold for automobile bumper |
| CN107672132A (en) * | 2017-10-26 | 2018-02-09 | 卢渭彬 | A kind of plastic mould thimble pushing meanss |
-
2010
- 2010-12-30 CN CN2010206924689U patent/CN202021758U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909834A (en) * | 2012-10-15 | 2013-02-06 | 宁波瑞元模塑有限公司 | Rack double ejection device |
| CN102909834B (en) * | 2012-10-15 | 2015-05-27 | 宁波瑞元模塑有限公司 | Rack double ejection device |
| CN106313451A (en) * | 2016-11-15 | 2017-01-11 | 昆山鸿永盛模具有限公司 | Unscrewing mold stripping mechanism |
| CN106313451B (en) * | 2016-11-15 | 2018-09-04 | 昆山鸿永盛模具有限公司 | A kind of reverse buckle demolding mechanism |
| CN106335166A (en) * | 2016-11-24 | 2017-01-18 | 台州市黄岩宏特精工模具有限公司 | Injection mold for automobile bumper |
| CN107672132A (en) * | 2017-10-26 | 2018-02-09 | 卢渭彬 | A kind of plastic mould thimble pushing meanss |
| CN107672132B (en) * | 2017-10-26 | 2019-05-28 | 广州金元雄电子科技发展有限公司 | A kind of plastic mould thimble pushing meanss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |