CN107344411B - The core-pulling device of flange mold - Google Patents
The core-pulling device of flange mold Download PDFInfo
- Publication number
- CN107344411B CN107344411B CN201710721713.0A CN201710721713A CN107344411B CN 107344411 B CN107344411 B CN 107344411B CN 201710721713 A CN201710721713 A CN 201710721713A CN 107344411 B CN107344411 B CN 107344411B
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- Prior art keywords
- flange
- core
- plate
- lower die
- level
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- 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
- B29C45/40—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
- B29C2045/4063—Removing or ejecting moulded articles preventing damage to articles caused by the ejector
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 core-pulling devices of flange mold; ejecting mechanism is secondary ejecting mechanism; wherein level-one ejection is used for the external form demoulding mechanism of oblique outer surface hose coupling (1-2) on flange, is used for oblique hose coupling (1-2) inner core core-pulling mechanism; whole ejection of the second level ejection for flange finished product, and connected between level-one ejecting mechanism and second level ejecting mechanism by stroke control assembly；Stroke control assembly includes guiding connecting plate (2) and stroke driving plate (3), the lower end of guiding connecting plate (2) is fixedly connected on the side wall of the lower die fixed board (5) in lower mold assemblies, the lower end of stroke driving plate (3) is fixedly connected with the ejector retainner plate (6) in ejecting mechanism, and upper end is fixedly connected or is slidably connected with the lower die movable plate (4) in lower mold assemblies.After using the above structure, motion stability is reliable, can guarantee and smoothly demoulds tilting hose coupling and do not influence other stripping operations, to guarantee flange product quality.
Description
Technical field
The present invention relates to technical field of mold, are especially a kind of core-pulling device of flange mold.
Background technique
Flange is a kind of flanged part, is applied in all trades and professions, in auto-parts, also usually has flange.
In order to reduce the occupied space of part, and it is able to cooperate the use of other function, the flange in automobile parts is usually abnormal shape
Flange.As shown in Fig. 1, which includes flange body 1, and wherein one end is equipped with straight connector 1-1, phase to flange body 1
Anti- one end is equipped with tilting hose coupling 1-2, and straight connector 1-1 is connected to tilting hose coupling 1-2.
Therefore, because the structure of the tilting hose coupling of this root, inconsistent with the die sinking direction of normal vertical direction, because
This, keeps the demolding structure of hose coupling herein in flange mold extremely complex, and demoulding is difficult, or even occurs destroying showing for product
As.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of motion stability is reliable, can guarantee smoothly will be tilting soft
Pipe fitting demoulds and does not influence other stripping operations, to guarantee the core-pulling device of the flange mold of flange product quality.
In order to solve the above technical problems, the core-pulling device of flange mold provided by the invention, including upper die component, lower die group
Part and ejecting mechanism, form the type chamber of flange after the two molding, ejecting mechanism is connected in lower mold assemblies；The ejecting mechanism is
Secondary ejecting mechanism, wherein level-one ejection is used for the external form demoulding mechanism of oblique hose coupling outer surface on flange, is used for the method for forming
On orchid in oblique hose coupling latus rectum inner core core-pulling mechanism, whole ejection of the second level ejection for flange finished product, and level-one top
It is connected between mechanism and second level ejecting mechanism by stroke control assembly out；The stroke control assembly include guiding connecting plate and
Stroke driving plate, the lower end for being oriented to connecting plate are fixedly connected on the side wall of the lower die fixed board in lower mold assemblies, stroke driving plate
Lower end be fixedly connected with the ejector retainner plate in ejecting mechanism, upper end is fixedly connected or slides with the lower die movable plate in lower mold assemblies
Connection；When level-one ejection, the upper end of stroke driving plate is fixedly connected with lower die movable plate, terminates to start second level top when level-one ejects
The upper end of stroke driving plate unlocks and is slidably connected with lower die movable plate when out.
The inner core core-pulling mechanism of latus rectum includes shoes, shoes seat, inclined guide and method in oblique hose coupling on the flange
The inner mould core of oblique hose coupling on orchid；Inner surface of the upper end of the inner mould core for hose coupling oblique on shaped flange, lower end
It is connect with the upper end of inclined guide, the lower end of inclined guide and shoes are hinged, and shoes horizontal direction is slidably connected on shoes seat, shoes
Seat is fixedly connected on lower die fixed board.
The external form demoulding mechanism of oblique hose coupling outer surface includes two forming blocks on the flange, two moldings when molding
Block closes up the type face of the internal outer surface for forming oblique hose coupling, and two forming blocks are oblique to be slidably connected on inclined guide pillar, and
The oblique movement direction of two forming blocks is V-shaped.
Nitrogen gas spring is equipped between the ejector retainner plate and lower die movable plate, one end of the nitrogen gas spring is connect with ejector retainner plate,
The other end of nitrogen gas spring is connect with lower die movable plate, and the unlock pin of nitrogen gas spring passes through the trigger member triggering on guiding connecting plate.
The stroke driving plate includes successively from the bottom up fixed part, guide part I and guide part II, and fixed part is fixedly connected
On the side wall of ejector retainner plate, guide part I is slidably connected or disengages with lower die fixed board, and guide part II and the sliding of lower die movable plate connect
It connects.
Position limiting structure is equipped between the guide part II and lower die movable plate of the stroke driving plate, which includes top
Block, limit spring and guide pad, guide pad are fixedly connected on the side wall of lower die movable plate, with the appearance of horizontal direction on guide pad
Slot is set, jacking block and limit spring are located in accommodation groove, and one end of limit spring and accommodation groove slot bottom push against, the other end and jacking block
One end pushes against, and the side wall of the guide part II of the other end and stroke driving plate of jacking block pushes against, and the guide part of stroke driving plate
II top is equipped with barb, and when ejector retainner plate is located at extreme lower position, the lower surface of barb and jacking block are pushed against.
After using the above structure, compared with prior art, the present invention having the advantage that
1) it due to being connected between level-one ejecting mechanism and second level ejecting mechanism by stroke control assembly, is controlled by stroke
Component realizes Double-ejection, make the external form of oblique hose coupling outer surface on flange demould and flange on oblique latus rectum in hose coupling
Inner core core pulling realize it is synchronous carry out, then realize whole demoulding, to achieve the purpose that demould completely, therefore, movement is clear, step
It is rapid reasonable, product is not constituted destroy completely；
2) it is equipped with nitrogen gas spring between ejector retainner plate and lower die movable plate, therefore, ejects the stage in level-one, nitrogen gas spring is in top
Exert a force state out, and ejector retainner plate and lower die movable plate position are relatively fixed, that is to say, that ejector retainner plate moves together with lower die movable plate, two
Grade ejection stage, nitrogen gas spring unlock do not have a fixed relationship between ejector retainner plate and lower die movable plate, ejector retainner plate continues uplink and lower die
Movable plate is in motionless state, to realize that second level ejects.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the flange that the core-pulling device of flange mold of the present invention is related to.
Structural schematic diagram when Fig. 2 is the core-pulling device molding state of flange mold of the present invention.
Structural schematic diagram when Fig. 3 is the core-pulling device level-one ejection of flange mold of the present invention.
Fig. 4 is the structural schematic diagram in the present invention at nitrogen gas spring.
Structural schematic diagram when Fig. 5 is the core-pulling device second level ejection of flange mold of the present invention.
Fig. 6 is the procedure structure schematic diagram of the external form demoulding of oblique hose coupling outer surface in the present invention.
Lower mold assemblies positional diagram when Fig. 7 is each ejection stage of the invention.
Fig. 8 is the structural schematic diagram of position limiting structure between stroke driving plate and lower die movable plate in the present invention.
Wherein: 1, flange body；1-1, straight connector；1-2, oblique hose coupling；2, it is oriented to connecting plate；3, stroke drives
Plate；4, lower die movable plate；5, lower die fixed board；6, ejector retainner plate；7, shoes seat；8, shoes；9, inclined guide；10, inner mould core；11, nitrogen
Spring；12, forming blocks；13, guide pad；14, limit spring；15, jacking block；16, accommodation groove；17, barb.
Specific embodiment
Present invention will be explained in further detail with reference to the accompanying drawings and detailed description.
The structural schematic diagram of the core-pulling device of the flange mold of the present invention as shown in FIG. 1 to FIG. 8 is it is found that include upper mold group
Part, lower mold assemblies and ejecting mechanism, form the type chamber of flange after the two molding, ejecting mechanism is connected in lower mold assemblies；It is described
Ejecting mechanism is secondary ejecting mechanism, wherein external form ingot stripper of the level-one ejection for the outer surface hose coupling 1-2 oblique on flange
Structure, on shaped flange in oblique hose coupling 1-2 latus rectum inner core core-pulling mechanism, second level ejection be used for flange finished product entirety
Ejection, and connected between level-one ejecting mechanism and second level ejecting mechanism by stroke control assembly.The stroke control assembly
Including guiding connecting plate 2 and stroke driving plate 3, the lower end of guiding connecting plate 2 is fixedly connected on the lower die fixed board 5 in lower mold assemblies
Side wall on, the lower end of stroke driving plate 3 is fixedly connected with the ejector retainner plate 6 in ejecting mechanism, in upper end and lower mold assemblies under
Mould movable plate 4 is fixedly connected or is slidably connected.When level-one ejection, the upper end of stroke driving plate 3 is fixedly connected with lower die movable plate 4,
When level-one, which ejects, terminates to start second level ejection, the upper end of stroke driving plate 3 unlocks and is slidably connected with lower die movable plate 4.
The inner core core-pulling mechanism of latus rectum includes shoes 8, shoes seat 7, inclined guide in oblique hose coupling 1-2 on the flange
9 and flange on oblique hose coupling 1-2 inner mould core 10.The upper end of the inner mould core 10 is for hose coupling 1- oblique on shaped flange
2 inner surface, lower end are connect with the upper end of inclined guide 9, and the lower end of inclined guide 9 and shoes 8 are hinged, the sliding of 8 horizontal direction of shoes
It is connected on shoes seat 7, shoes seat 7 is fixedly connected on lower die fixed board 5.
The external form demoulding mechanism of the outer surface oblique hose coupling 1-2 includes two forming blocks 12 on the flange, two when molding
A forming blocks 12 close up the type face of the internal outer surface for forming oblique hose coupling 1-2, and two forming blocks 12 are oblique to be slidably connected at
On inclined guide 9, and the oblique movement direction of two forming blocks 12 is V-shaped.
Nitrogen gas spring 11, one end of the nitrogen gas spring 11 and ejector retainner plate are equipped between the ejector retainner plate 6 and lower die movable plate 4
6 connections, the other end of nitrogen gas spring 11 are connect with lower die movable plate 4, and the unlock pin of nitrogen gas spring 11 passes through on guiding connecting plate 2
Trigger member triggering.
The stroke driving plate 3 successively includes fixed part, guide part I and guide part II from the bottom up, and fixed part is fixed to be connected
It connects on the side wall of ejector retainner plate 6, guide part I is slidably connected or disengages with lower die fixed board 5, and guide part II and lower die movable plate 4 are sliding
Dynamic connection.
Position limiting structure is equipped between the guide part II and lower die movable plate 4 of the stroke driving plate 3, which includes top
Block 15, limit spring 14 and guide pad 13, guide pad 13 are fixedly connected on the side wall of lower die movable plate 4, are had on guide pad 13
The accommodation groove 16 of horizontal direction, jacking block 15 and limit spring 14 are located in accommodation groove 16, one end of limit spring 14 and accommodation groove
16 slot bottoms push against, and one end of the other end and jacking block 15 pushes against, the side of the guide part II of the other end and stroke driving plate 3 of jacking block 15
Wall pushes against, and the top of the guide part II of stroke driving plate 3 is equipped with barb 17, the barb when ejector retainner plate 6 is located at extreme lower position
17 lower surface and jacking block 15 push against.
It is of the invention use process is as follows:
1) after mold die sinking, under the action of nitrogen gas spring 11, ejector retainner plate 6, stroke driving plate 3 and lower die movable plate 4 are together
It moves upwards, at this point, the horizontal direction under the limitation of shoes 8 of inclined guide 9 is mobile, latus rectum in oblique hose coupling on realization flange
Inner core core pulling action, while forming blocks 12 are measured to both sides inclination, realize the external form of oblique hose coupling outer surface on flange de-
Mould；Ejector retainner plate 6 moves up the stroke of 43mm, the distance of the mobile 13.97mm of 8 horizontal direction of shoes；
2) level-one ejection terminates, and nitrogen gas spring 11 unlocks, and lower die movable plate 4 and ejector retainner plate 6 are in active state, at this point, thimble
Plate 6 continues up 22mm, and flange product is deviate from from the type chamber on lower die movable plate, completes second level ejection.
The above is only preferably feasible implementation example of the invention, cannot therefore be limiting the scope of the invention,
For those skilled in the art, it is all make with technical solution of the present invention and technical concept other are various corresponding
Change all should belong within the scope of protection of the claims of the present invention.
Claims (6)
1. a kind of core-pulling device of flange mold, including upper die component, lower mold assemblies and ejecting mechanism form method after the two molding
Blue type chamber, ejecting mechanism are connected in lower mold assemblies；It is characterized by: the ejecting mechanism is secondary ejecting mechanism, wherein
Level-one ejection on flange tiltedly the external form demoulding mechanism of the outer surface hose coupling (1-2), oblique hose connects on shaped flange
The inner core core-pulling mechanism of head (1-2) interior latus rectum, whole ejection of the second level ejection for flange finished product, and level-one ejecting mechanism and
It is connected between second level ejecting mechanism by stroke control assembly；The stroke control assembly includes guiding connecting plate (2) and stroke
The lower end of driving plate (3), guiding connecting plate (2) is fixedly connected on the side wall of the lower die fixed board (5) in lower mold assemblies, and stroke drives
The lower end of movable plate (3) is fixedly connected with the ejector retainner plate (6) in ejecting mechanism, the upper end of stroke driving plate (3) when level-one ejection
It is fixedly connected with lower die movable plate (4), when level-one, which ejects, terminates to start second level ejection, the upper end of stroke driving plate (3) and lower die are dynamic
Plate (4) is unlocked and is slidably connected.
2. the core-pulling device of flange mold according to claim 1, it is characterised in that: oblique hose coupling on the flange
The inner core core-pulling mechanism of (1-2) interior latus rectum includes oblique hose coupling (1- on shoes (8), shoes seat (7), inclined guide (9) and flange
2) inner mould core (10)；Inner surface of the upper end of the inner mould core (10) for hose coupling (1-2) oblique on shaped flange, lower end
It is connect with the upper end of inclined guide (9), hingedly, shoes (8) horizontal direction is slidably connected at for the lower end and shoes (8) of inclined guide (9)
On shoes seat (7), shoes seat (7) is fixedly connected on lower die fixed board (5).
3. the core-pulling device of flange mold according to claim 2, it is characterised in that: oblique hose coupling on the flange
The external form demoulding mechanism of the outer surface (1-2) includes two forming blocks (12), and two forming blocks (12) close up internal formation when molding
The type face of the outer surface of oblique hose coupling (1-2), two forming blocks (12) are oblique to be slidably connected on inclined guide (9), and two
The oblique movement direction of a forming blocks (12) is V-shaped.
4. the core-pulling device of flange mold according to claim 1, it is characterised in that: the ejector retainner plate (6) and lower die
Nitrogen gas spring (11) are equipped between movable plate (4), one end of the nitrogen gas spring (11) is connect with ejector retainner plate (6), nitrogen gas spring (11)
The other end connect with lower die movable plate (4), the unlock pin of nitrogen gas spring (11) passes through the trigger member touching in guiding connecting plate (2)
Hair.
5. the core-pulling device of flange mold according to claim 1, it is characterised in that: the stroke driving plate (3) is under
It up successively include fixed part, guide part I and guide part II, fixed part is fixedly connected on the side wall of ejector retainner plate (6), guide part
I is slidably connected or disengages with lower die fixed board (5), and guide part II is slidably connected with lower die movable plate (4).
6. the core-pulling device of flange mold according to claim 5, it is characterised in that: stroke driving plate (3) are led
To position limiting structure is equipped between portion II and lower die movable plate (4), which includes jacking block (15), limit spring (14) and guiding
Block (13), guide pad (13) are fixedly connected on the side wall of lower die movable plate (4), with the accommodating of horizontal direction on guide pad (13)
Slot (16), jacking block (15) and limit spring (14) are located in accommodation groove (16), one end and accommodation groove (16) of limit spring (14)
Slot bottom pushes against, and one end of the other end and jacking block (15) pushes against, the other end of jacking block (15) and the guide part II of stroke driving plate (3)
Side wall push against, and the top of the guide part II of stroke driving plate (3) be equipped with barb (17), when ejector retainner plate (6) be located at it is minimum
The lower surface of barb (17) and jacking block (15) push against when position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721713.0A CN107344411B (en) | 2017-08-22 | 2017-08-22 | The core-pulling device of flange mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721713.0A CN107344411B (en) | 2017-08-22 | 2017-08-22 | The core-pulling device of flange mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107344411A CN107344411A (en) | 2017-11-14 |
| CN107344411B true CN107344411B (en) | 2019-09-20 |
Family
ID=60256521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710721713.0A Active CN107344411B (en) | 2017-08-22 | 2017-08-22 | The core-pulling device of flange mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN107344411B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7435079B2 (en) * | 2006-04-18 | 2008-10-14 | Cheng Uei Precision Industry Co., Ltd. | Angular ejector mechanism and injection mold with the same |
| CN203510625U (en) * | 2013-09-24 | 2014-04-02 | 佛山市南海华达模具塑料有限公司 | Mold for injection molding of parts with internal threads |
| CN103707468A (en) * | 2013-12-18 | 2014-04-09 | 宁海胜利模具有限公司 | Secondary oblique-ejection core-pulling device in slide core |
| CN203622847U (en) * | 2013-09-30 | 2014-06-04 | 台州市黄岩大盛模塑有限公司 | Combined double-ejector-plate secondary ejection mechanism of plastic injection mould |
-
2017
- 2017-08-22 CN CN201710721713.0A patent/CN107344411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7435079B2 (en) * | 2006-04-18 | 2008-10-14 | Cheng Uei Precision Industry Co., Ltd. | Angular ejector mechanism and injection mold with the same |
| CN203510625U (en) * | 2013-09-24 | 2014-04-02 | 佛山市南海华达模具塑料有限公司 | Mold for injection molding of parts with internal threads |
| CN203622847U (en) * | 2013-09-30 | 2014-06-04 | 台州市黄岩大盛模塑有限公司 | Combined double-ejector-plate secondary ejection mechanism of plastic injection mould |
| CN103707468A (en) * | 2013-12-18 | 2014-04-09 | 宁海胜利模具有限公司 | Secondary oblique-ejection core-pulling device in slide core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107344411A (en) | 2017-11-14 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 315600 Meilin street, Ningbo City, Ningbo, Zhejiang Province, No. 3 middle road, No. 3 Applicant 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 Applicant before: Ningbo Fangzheng Tool Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant |