CN105773935B - The liftout attachment of automotive bumper mold - Google Patents
The liftout attachment of automotive bumper mold Download PDFInfo
- Publication number
- CN105773935B CN105773935B CN201610338788.6A CN201610338788A CN105773935B CN 105773935 B CN105773935 B CN 105773935B CN 201610338788 A CN201610338788 A CN 201610338788A CN 105773935 B CN105773935 B CN 105773935B
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- CN
- China
- Prior art keywords
- push rod
- oblique top
- pitched roof
- roof mechanism
- bumper
- 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
- B29C45/40—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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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 liftout attachment of automotive bumper mold, and it includes the first pitched roof mechanism for the demoulding of bumper (1) edge back-off, for the second pitched roof mechanism of the oblique side wall demoulding at bumper (1) lampshade panel and the lower mold assemblies for housing the first pitched roof mechanism and the second pitched roof mechanism；The lower end of the first described pitched roof mechanism is fixed on the top plate of mold ejection mechanism, and upper end has the type face of bumper (1) edge back-off；The lower end of the second described pitched roof mechanism is free end and is slidably connected in lower mold assemblies that upper end is connected by link gear with the first pitched roof mechanism, and upper end has the type face of oblique side wall at bumper (1) lampshade panel.After above structure, because the lower slide of the second pitched roof mechanism is connected in lower mold assemblies, while upper end is connected by link gear with the first pitched roof mechanism, so, makes that the structure of whole pair of mould is simpler, volume is smaller.
Description
Technical field
The present invention relates to the technical field of mould, is especially a kind of liftout attachment of automotive bumper mold.
Background technology
With the development of auto industry, bumper is as a kind of important safety device except the function with protection
In addition, lightweight is also pursued, and in order to reach light-weighted purpose, the front/rear collision bumper of automobile employs plastic material and led to
Mould injection moulding is crossed to form.And bumper made of plastics has good intensity, rigidity and a dicoration, and can be
Can be until cushioning effect, car body before and after protection during car collision.In the prior art bumper can by headlight or after
The lampshade opening position panel of lamp holds together, and to increase aesthetic property, therefore more adds the complexity of bumper,
Its inner surface has the structures such as cambered surface, back-off, and this brings very big complexity for the liftout attachment of injection molding.Prior art
In, the mould for automobile bumper molding is typically provided with big straight jacking block and big oblique top agllutination in the two ends of shaped article
Structure, big straight jacking block are promoted by the straight push rod being vertically arranged and moved straight up, and big slanted kicking block passes through angularly disposed oblique top
Bar pushes up, also, slanted kicking block has an inclined-plane that can coordinate with core, in the process that slanted kicking block integrally moves upwards
In, the top of slanted kicking block to the right or is moved to the left simultaneously.
Usually, the demoulding requirement of bumper product can be realized substantially using existing mould structure, but it is actual
In production, during the topology requirement that the especially above-mentioned lampshade opening position panel for adding headlight or back light is connected as a single entity, use
Traditional mould can not realize the disposable complete demoulding of bumper product, because the panel in lampshade opening position has
There is cambered surface, two certainly will be set in the mould at lampshade panel even more than oblique top, still, product inner surface is sentenced interior
Mould volume is limited, if the mould inside at lampshade panel sets two oblique tops, using traditional moulds, then can
In each oblique top bottom, one base is set, and two bases or multiple bases can not arrange locus in mould, because
This is difficult to realize the pickup of this class formation so that the pickup of whole product becomes very difficult；And in order to ensure the smooth of product
The demoulding, it usually needs carrying out Double-ejection could deviate from whole bumper product from mould, still, if using two
Secondary ejection, then demoulding cost can be greatly increased, and reduce the efficiency of the demoulding.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of simple in construction, compact-sized, and can accurately realize
The liftout attachment of automotive bumper mold of the demoulding without damaging product at each lampshade panel.
In order to solve the above technical problems, the liftout attachment of automotive bumper mold provided by the invention, it includes being used for vapour
First pitched roof mechanism of the car bumper edge back-off demoulding, for the second oblique of the oblique side wall demoulding at bumper lampshade panel
Push up mechanism and the lower mold assemblies for housing the first pitched roof mechanism and the second pitched roof mechanism；Under the first described pitched roof mechanism
End is fixed on the top plate of mold ejection mechanism, and upper end has the type face of bumper edge back-off；The second described oblique top
The lower end of mechanism is free end and is slidably connected in lower mold assemblies that upper end is connected by link gear with the first pitched roof mechanism,
And upper end has the type face of oblique side wall at bumper lampshade panel；The second described pitched roof mechanism include the second oblique top and
Second push rod, the second oblique top is located in lower mold assemblies and the top surface of the second oblique top have be used to being formed it is oblique at product lampshade panel
The type face of side wall profile, the second push rod are two push rods be arrangeding in parallel, and between two first push rods；Every second top
The upper end of bar is fixedly connected with the second oblique top, and lower end is in free state, and the second push rod is skewed to be slidably connected in lower mold assemblies,
And there is angle between the axis of the axis of the second push rod and the first push rod；First oblique top and the second oblique top phase during mould matched moulds
To side wall be adjacent to.
The first described pitched roof mechanism includes the first oblique top, the first push rod and shoes base；The first described oblique top is located at
There is in lower mold assemblies and at the top edge of the first oblique top the type face for the edge back-off partial contour for being used to be formed product, the
One push rod is two push rods be arrangeding in parallel, respectively the opening position positioned at the first oblique top close to both sides of edges；Every first push rod
Upper end be fixedly connected with the first oblique top, lower end is fixedly connected with shoes base, and the first push rod is skewed to be slidably connected at lower mould
In component, shoes base is fixedly connected on top plate.
Described link gear includes guide rod, and the first oblique top is provided with inclined pilot hole, one end of guide rod and the
The side wall of two oblique tops towards the first oblique top is connected as a single entity, and the other end is slidably connected in the pilot hole in the first oblique top.
Described pilot hole is between two first push rods, and corresponding guide rod is between two second push rods.
Angle between the axis of the first described push rod and the axis of the second push rod is 11 °, and in the second oblique top
The triangle that the axis of guide rod, the straight line parallel to the first push rod axis and the straight line parallel to the second push rod axis are formed
In shape, the angular range being oriented between rod axis and the second push rod axis is 95 °~100 °.
The first described push rod and the place of being slidably connected of lower mold assemblies and the second push rod and lower mold assemblies are slidably connected
Place is equipped with sliding sleeve, and sliding sleeve close-fitting is provided with lower mold assemblies and on the wall body of sliding sleeve multiple uniformly densely covered to be used to lead to profit
The aperture of lubricating oil fat.
After above structure, the present invention compared with prior art, has the following advantages that：
1) because the lower end of the second pitched roof mechanism is free end, simply it is slidably connected in lower mold assemblies, does not pass through
Shoes base is connected with top plate, while upper end is connected by link gear with the first pitched roof mechanism, so, eliminates the first oblique top
The shoes base of mechanism, makes that the structure of whole pair of mould is simpler, volume is smaller；
2) link gear set between the first oblique top and the second oblique top, simply set in the first oblique top skewed
Pilot hole, and skewed guide rod is set in the second oblique top, risen by the first oblique top in the presence of the first push rod,
Guide rod is forced to be slided in pilot hole simultaneously, so that the second oblique top gradually disengages with the first oblique top, by bumper
Back-off be progressively stripped with inclined-plane, therefore, action is more accurate, control is more convenient, structure is simpler；
3) by two second push rods in the second pitched roof mechanism be arranged on two first push rods in the first pitched roof mechanism it
Between, make two pitched roof mechanisms compacter, reduce the space shared by the second pitched roof mechanism, more efficiently make use of whole pair of mould
The space of tool；
4) angle between the axis of the axis of the first push rod and the second push rod and guiding rod axis and the second push rod axle
Angle between line, being provided to can the demoulding more efficient, that more precisely control the first oblique top and product and second oblique
Order and step between top and the demoulding of product.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the liftout attachment of automotive bumper mold of the present invention.
Fig. 2 is structural representation of the liftout attachment of automotive bumper mold of the present invention in matched moulds state.
Fig. 3 is structural representation of the liftout attachment of automotive bumper mold of the present invention in the state of ejection.
Wherein, 1, bumper；2nd, the first oblique top；3rd, the first push rod；4th, shoes base；5th, the second oblique top；6th, second
Push rod；7th, sliding sleeve；8th, aperture；9th, guide rod；10th, pilot hole.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description.
From the structural representation of the liftout attachment of the automotive bumper mold of the present invention shown in Fig. 1~Fig. 3, it includes
The first pitched roof mechanism for the edge back-off demoulding of bumper 1, for the oblique side wall demoulding at the lampshade panel of bumper 1
The second pitched roof mechanism and lower mold assemblies for housing the first pitched roof mechanism and the second pitched roof mechanism.The first described oblique top
The lower end of mechanism is fixed on the top plate of mold ejection mechanism, and upper end has the type face of the edge back-off of bumper 1；Described
The lower end of second pitched roof mechanism is free end and is slidably connected in lower mold assemblies that upper end passes through link gear and the first oblique top machine
Structure connects, and upper end has the type face of oblique side wall at the lampshade panel of bumper 1.
The first described pitched roof mechanism includes the first oblique top 2, the first push rod 3 and shoes base 4.The first described oblique top 2
There is the type for the edge back-off partial contour for being used to be formed product in lower mold assemblies and at the top edge of the first oblique top 2
Face, the first push rod 3 are two push rods be arrangeding in parallel, respectively the opening position positioned at the first oblique top 2 close to both sides of edges.Every
The upper end of one push rod 3 is fixedly connected with the first oblique top 2, and lower end is fixedly connected with shoes base 4, the 3 skewed slip of the first push rod
It is connected in lower mold assemblies, shoes base 4 is fixedly connected on top plate.
The second described pitched roof mechanism includes the second oblique top 5 and the second push rod 6, and the second oblique top 5 is located in lower mold assemblies simultaneously
And second the top surface of oblique top 5 have and be used to form the type face of oblique side wall profile at product lampshade panel, the second push rod 6 is two flat
The push rod that row is set, and between two first push rods 3.The upper end of every second push rod 6 is fixedly connected with the second oblique top 5,
Lower end is in free state, and the second push rod 6 is skewed to be slidably connected in lower mold assemblies, and the axis and first of the second push rod 6
There is angle between the axis of push rod 3.The first oblique top 2 side wall relative with the second oblique top 5 is adjacent to during mould matched moulds.
Described link gear includes guide rod 9, and the first oblique top 2 is provided with inclined pilot hole 10, one end of guide rod 9
It is connected as a single entity with the side wall of the second oblique top 5 towards the first oblique top 2, the other end is slidably connected at the pilot hole 10 in the first oblique top 2
It is interior.
Described pilot hole 10 between two first push rods 3, corresponding guide rod 9 positioned at two second push rods 6 it
Between.
Angle between the axis of the first described push rod 3 and the axis of the second push rod 6 is 11 °, and in the second oblique top 5
The axis of upper guide rod 9, formed parallel to the straight line of the axis of the first push rod 3 and parallel to the straight line of the axis of the second push rod 6
Triangle in, angular range between the axis of guide rod 9 and the axis of the second push rod 6 is 95 °~100 °.
Be slidably connected place and the slip company of the second push rod 6 and lower mold assemblies of the first described push rod 3 and lower mold assemblies
The place of connecing is equipped with sliding sleeve 7, and the close-fitting of sliding sleeve 7 is provided with multiple uniformly densely covered be used in lower mold assemblies and on the wall body of sliding sleeve 7
Towards the aperture 8 of lubricant grease.
The action process of the liftout attachment of automotive bumper mold of the present invention is as follows：It is such as attached when mould is in matched moulds state
Shown in Fig. 2, shoes base 4 is located at the bottom of mould, and the side wall of the second oblique top 5 and the first oblique top 2 is in fit-state, is now led
It is fully located to bar 9 in pilot hole 10；When starting the demoulding, top plate shoes base 4 of taking moves up gradually, the first push rod 3
Just in lower mold assemblies to tiltedly on eject, now at the product type face of the first oblique top 2 just with product disengagement；And in the first oblique top 2
While moving up, under the collective effect of guide rod 9 and pilot hole 10, the second oblique top 5 synchronously make upward action and to
The effect that direction away from the first oblique top 2 is moved, so that product and the first oblique top 2 are completely disengaged, and smoothly ejects product,
Finally make to disengage with product at the product type face in the second oblique top 5.
It is described above, only it is preferably feasible implementation example of the invention, it is impossible to therefore limit to the interest field of the present invention,
For those skilled in the art, it is all made with technical scheme and technical concept other are various corresponding
Change should all belong within the protection domain of the claims in the present invention.
Claims (5)
- A kind of 1. liftout attachment of automotive bumper mold, it is characterised in that：It includes being used for bumper (1) edge back-off First pitched roof mechanism of the demoulding, the second pitched roof mechanism and use for the oblique side wall demoulding at bumper (1) lampshade panel In accommodating first pitched roof mechanism and the lower mold assemblies of the second pitched roof mechanism；The lower end of the first described pitched roof mechanism is fixed on mould On the top plate of ejecting mechanism, upper end has the type face of bumper (1) edge back-off；The lower end of the second described pitched roof mechanism For free end and it is slidably connected in lower mold assemblies, upper end is connected by link gear with the first pitched roof mechanism, and upper end has There is the type face of oblique side wall at bumper (1) lampshade panel；The first described pitched roof mechanism includes the first oblique top (2), first Push rod (3) and shoes base (4)；Described the first oblique top (2) is located in lower mold assemblies and the top edge of the first oblique top (2) Type face of the place with the edge back-off partial contour for being used to be formed product, the first push rod (3) is two push rods be arrangeding in parallel, point Not Wei Yu the first oblique top (2) close to both sides of edges opening position；The upper end of every first push rod (3) is fixed with the first oblique top (2) Connection, lower end are fixedly connected with shoes base (4), and the first push rod (3) is skewed to be slidably connected in lower mold assemblies, shoes base (4) it is fixedly connected on top plate；The second described pitched roof mechanism includes the second oblique top (5) and the second push rod (6), the second oblique top (5) and the top surface of second oblique top (5) interior positioned at lower mold assemblies, which has, is used to form oblique side wall profile at product lampshade panel Type face, the second push rod (6) they are two push rods be arrangeding in parallel, and between two first push rods (3)；Every second push rod (6) upper end is fixedly connected with the second oblique top (5), and lower end is in free state, and the second push rod (6) is skewed to be slidably connected at lower mould In component, and there is angle between the axis of the axis of the second push rod (6) and the first push rod (3)；First is oblique during mould matched moulds Top (2) side wall relative with the second oblique top (5) is adjacent to.
- 2. the liftout attachment of automotive bumper mold according to claim 1, it is characterised in that：Described link gear bag Guide rod (9) is included, the first oblique top (2) is provided with inclined pilot hole (10), one end and the second oblique top (5) face of guide rod (9) It is connected as a single entity to the side wall of the first oblique top (2), the other end is slidably connected at the pilot hole (10) in the first oblique top (2) Nei.
- 3. the liftout attachment of automotive bumper mold according to claim 2, it is characterised in that：Described pilot hole (10) Between two first push rods (3), corresponding guide rod (9) is between two second push rods (6).
- 4. the liftout attachment of automotive bumper mold according to claim 2, it is characterised in that：The first described push rod (3) the angle between axis and the axis of the second push rod (6) is 11 °, and in the second oblique top (5) guide rod (9) axle The triangle that line, the straight line parallel to the first push rod (3) axis and the straight line parallel to the second push rod (6) axis are formed Interior, the angular range between guide rod (9) axis and the second push rod (6) axis is 95 °~100 °.
- 5. the liftout attachment of automotive bumper mold according to claim 1, it is characterised in that：The first described push rod (3) sliding sleeve (7) is equipped with the place of being slidably connected of lower mold assemblies and the place of being slidably connected of the second push rod (6) and lower mold assemblies, Sliding sleeve (7) close-fitting is provided with lower mold assemblies and on the wall body of sliding sleeve (7) multiple uniformly densely covered to be used to lead to lubricant grease Aperture (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338788.6A CN105773935B (en) | 2016-05-19 | 2016-05-19 | The liftout attachment of automotive bumper mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338788.6A CN105773935B (en) | 2016-05-19 | 2016-05-19 | The liftout attachment of automotive bumper mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105773935A CN105773935A (en) | 2016-07-20 |
| CN105773935B true CN105773935B (en) | 2018-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610338788.6A Active CN105773935B (en) | 2016-05-19 | 2016-05-19 | The liftout attachment of automotive bumper mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN105773935B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687948A (en) * | 2018-05-28 | 2018-10-23 | 浙江泰华集成家居科技有限公司 | The demoulding mechanism of upper die body in gypsum decorative object shaping mould |
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| CN106335166B (en) * | 2016-11-24 | 2018-06-26 | 台州市黄岩宏特精工模具有限公司 | Vehicle bumper injection mold |
| CN106493922B (en) * | 2016-12-30 | 2019-01-18 | 深圳市银宝山新科技股份有限公司 | Explosive pitched roof mechanism and injection mold |
| CN109382981B (en) * | 2018-12-10 | 2024-02-23 | 苏州得劳斯新能源科技有限公司 | Ejection device and ejection method for automobile bumper mold |
| CN110355954A (en) * | 2019-08-20 | 2019-10-22 | 深圳市银宝山新科技股份有限公司 | A kind of bumper mold |
| CN111283973B (en) * | 2020-02-17 | 2021-12-17 | 深圳市银宝山新科技股份有限公司 | Demoulding mechanism and injection mold |
| CN112223694B (en) * | 2020-08-17 | 2022-08-05 | 安徽科正模具有限公司 | Ejection device of automobile bumper mould |
| CN112848130B (en) * | 2020-12-31 | 2022-07-29 | 宁波方正汽车部件有限公司 | Four-time ejection mechanism for safety airbag |
| CN113334704B (en) * | 2021-05-06 | 2022-11-01 | 宁波方正汽车模具股份有限公司 | Combined inclined top demoulding mechanism |
| CN115139472B (en) * | 2022-09-01 | 2022-12-23 | 宁波兴利汽车模具有限公司 | Pitched roof demolding mechanism for demolding automobile parts |
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| Publication number | Publication date |
|---|---|
| CN105773935A (en) | 2016-07-20 |
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Address after: 315600 Meilin street, Ningbo City, Ningbo, Zhejiang Province, No. 3 middle road, No. 3 Patentee after: Ningbo Fangzheng automobile mould Limited by Share Ltd Address before: 315600 Zhejiang city of Ningbo province Ninghai County Tashan Industrial Zone Qixing Road No. 28 Patentee before: Ningbo Fangzheng Tool Co., Ltd. |
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| CP03 | Change of name, title or address |