CN106142466A - The structure that a kind of anti-limited slip block and push rod bump against - Google Patents
The structure that a kind of anti-limited slip block and push rod bump against Download PDFInfo
- Publication number
- CN106142466A CN106142466A CN201610746991.7A CN201610746991A CN106142466A CN 106142466 A CN106142466 A CN 106142466A CN 201610746991 A CN201610746991 A CN 201610746991A CN 106142466 A CN106142466 A CN 106142466A
- Authority
- CN
- China
- Prior art keywords
- rear mold
- mold core
- slide block
- push rod
- retainner plate
- 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.)
- Pending
Links
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
- B29C45/2602—Mould construction elements
Abstract
The present invention relates to a kind of anti-limited slip block and the structure of push rod collision, its difference is: it includes the slide block being embedded in rear mold core, first end of slide block has the boss forming product back-off face, it is further opened with running through pilot hole and the safety vent of slide block on slide block, pilot hole extends along first slide end obliquely downwards to the second extreme direction, and safety vent vertically extends；The Angle Pin being located on front mould, Angle Pin coordinates with pilot hole, and when front mould and rear mold die sinking, Angle Pin energy band movable slider moves along rear mold core the first end to the second extreme direction, when front mould and rear mold matched moulds, Angle Pin energy band movable slider moves along rear mold core the second end to the first extreme direction；And ejector pin component, ejector pin component includes ejector retainner plate, ejector retainner plate is provided with for the push rod in ejecting product back-off face and the safety pole that coordinates with safety vent along its first end to the second extreme direction, ejector retainner plate is additionally provided with the limited post matched with rear mold core.The present invention can bump against with push rod by effective anti-limited slip block.
Description
Technical field
The present invention relates to mould applications, the structure that a kind of anti-limited slip block and push rod bump against.
Background technology
Sometimes plastic mould is because the particularity of product structure, and needing to design push rod under slide block could depanning.Such as, root
When dividing mould according to product-forming, lateral back-off needs to design slide block depanning, and slider bottom needs to design push rod and ejects.
When mould uses machinery to eject, ejector retainner plate is typically to reset by helical spring, but the service life of spring is limited,
After spring is soft and soggy, ejector retainner plate will reset the most on earth, and have foreign body to be clipped in inside spring and also result in reset the most on earth；As
Really mould uses hydraulic jack when ejecting/reset, ejector retainner plate whether to reset to the end is to be judged by travel switch signal, stroke
Switch and travel switch fixed mechanism, in long-term collision process, often do not have reset signal or reset signal mistake,
Ejector retainner plate resets and cannot know in advance the most on earth.In the case of ejector retainner plate does not resets or resets the most on earth, slide block is closing
Mold process can bump against the push rod of slider bottom, and push rod and slide block collision during matched moulds can cause mould can not continue life
Produce, machine will be descended to keep in repair at once, have a strong impact on the production schedule.If push rod is severed, the push rod of drop remains in die cavity, at height
After press-fitting mould, die cavity is seriously weighed wounded, needs freeze process or scrap die cavity.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that the structure that a kind of anti-limited slip block and push rod bump against,
Can bump against with push rod by effective anti-limited slip block.
For solving above technical problem, the technical scheme is that the structure that a kind of anti-limited slip block and push rod bump against, its
Difference is:
It includes that the slide block being embedded in rear mold core, described rear mold core have the first end and the second end being oppositely arranged, described
Slide block have the first end arranged in the same direction with described rear mold core the first end and with rear mold core the second end arrange in the same direction second
End, the first end of described slide block has the boss for forming product back-off face, described slide block is further opened with running through slide block
Pilot hole and safety vent, described pilot hole extends along first slide end obliquely downwards to the second extreme direction, and described safety vent is vertical
Extend；
The Angle Pin being located on front mould, described Angle Pin coordinates with described pilot hole, and when front mould and rear mold die sinking, Angle Pin can carry
Movable slider moves along rear mold core the first end to the second extreme direction, when front mould and rear mold matched moulds, behind Angle Pin energy band movable slider edge
Model core the second end moves to the first extreme direction；
And
Ejector pin component, described ejector pin component includes that ejector retainner plate, described ejector retainner plate have and sets in the same direction with described rear mold core the first end
The first end put and the second end arranged in the same direction with rear mold core the second end, along its first end to the second end on described ejector retainner plate
Direction is provided with for the push rod in ejecting product back-off face and the safety pole that coordinates with described safety vent, on described ejector retainner plate also
It is provided with the limited post matched with described rear mold core.
By above technical scheme, described boss has three end faces for forming product back-off face, respectively upper surface,
Side end face and lower surface.
By above technical scheme, described ejector retainner plate includes Ejector Retainer Plate and the thimble panel being located on described Ejector Retainer Plate.
Contrast prior art, the beneficial features of the present invention is: the structure that this anti-limited slip block and push rod bump against, after die sinking, peace
Full bar inserts in safety vent, and during reset, in the case of ejector retainner plate does not resets or resets the most on earth, safety pole is still inserted in safety
Cause slide block cannot move reset by model core the first end backward in hole, efficiently avoid push rod and bump against with slide block.
Accompanying drawing explanation
Fig. 1 is that in the embodiment of the present invention, ejector retainner plate does not ejects view；
Fig. 2 is that in the embodiment of the present invention, ejector retainner plate has ejected view；
Fig. 3 is that in the embodiment of the present invention, ejector retainner plate resets view the most completely；
Wherein: 1-rear mold core (the first end of 1a-rear mold core, the second end of 1b-rear mold core, the lower end of 1c-rear mold core
Face), 2-slide block (the first end of 2a-slide block, the second end of 2b-slide block, 201-boss (201a-boss upper surface, 201b-boss
Side end face, 201c-boss lower surface), 202-pilot hole, 203-safety vent), 3-Angle Pin, 4-ejector pin component (401-ejector retainner plate
(the first end of 401a-ejector retainner plate, the second end of 401b-ejector retainner plate, 4011-Ejector Retainer Plate, 4012-thimble panel), 402-push up
Bar, 403-safety pole, 404-limited post), 5-product back-off face, baffle plate after 6-.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
Refer to Fig. 1 to Fig. 3, the structure that the anti-limited slip block of the embodiment of the present invention and push rod bump against, it includes being embedded in rear model
Slide block 2 in core 1, described rear mold core 1 has the first end 1a and the second end 1b being oppositely arranged, and described slide block 2 has and institute
State the first end 2a that rear mold core the first end 1a is arranged in the same direction and the second end 2b arranged in the same direction with rear mold core the second end 1b,
First end 2a of described slide block has the boss 201 for forming product back-off face 5, and described slide block 2 is further opened with running through sliding
The pilot hole 202 of block 2 and safety vent 203, described pilot hole 202 prolongs obliquely downwards along first slide end 2a to second end 2b direction
Stretching, described safety vent 203 vertically extends；
The Angle Pin 3 being located on front mould, described Angle Pin 3 coordinates with described pilot hole 202, when front mould and rear mold die sinking, tiltedly leads
Post 3 can move along rear mold core the first end 1a to second end 1b direction by band movable slider 2, when front mould and rear mold matched moulds, and Angle Pin 3 energy
Band movable slider 2 moves along rear mold core the second end 1b to first end 1a direction；
And
Ejector pin component 4, described ejector pin component 4 includes that ejector retainner plate 401, described ejector retainner plate 401 have and described rear mold core first
Hold the first end 401a that 1a is arranged in the same direction and the second end 401b arranged in the same direction with rear mold core the second end 1b, described ejector retainner plate
Be provided with along its first end 401a to second end 401b direction on 401 the push rod 402 for ejecting product back-off face 5 and with institute
State the safety pole 403 that safety vent 203 coordinates, described ejector retainner plate 401 is additionally provided with spacing with what described rear mold core 1 matched
Post 404.
Preferably, described boss 201 has three end faces for forming product back-off face 5, respectively upper surface 201a,
Side end face 201b and lower surface 201c.
Preferably, described ejector retainner plate 401 includes Ejector Retainer Plate 4011 and the thimble face being located on described Ejector Retainer Plate 4011
Plate 4012.
The operation principle of the embodiment of the present invention is:
Die sinking process: product has been molded, but the state of the most non-die sinking as it is shown in figure 1, now ejector retainner plate 401 also do not eject, produce
The back-off face 5 of product is buckled on the boss 201 of first slide end 2a, and push rod 402 offsets with the lower end in product back-off face 5；Front mould and
During rear mold die sinking, due to the effect of Angle Pin 3, slide block 2 can move along with the second end 1b direction of Angle Pin 3 model core the most backward
Dynamic, after die sinking puts in place, ejector retainner plate 401 moves up, until the lower surface 1c of limited post 404 and rear mold core offsets, at thimble
During plate 401 moves up, push rod 402 and the safety pole 403 be located on ejector retainner plate 401 can move upwardly together, such as Fig. 2
Shown in, safety pole 403 inserts in the safety vent 203 of slide block 2, and the back-off face 5 of product is then ejected by push rod 402, has ejected.
Matched moulds process: after product is removed from the molds, push rod 402 and safety pole 403 move down with ejector retainner plate 401, peace
Full bar 403 exits from slide block safety hole 203, and ejector retainner plate 401 moves downwardly to and offsets with rear baffle plate 6, and ejector pin component 4 resets
Completing, then front mould and rear mold matched moulds, under the effect of Angle Pin 3, the first end 1a motion of slide block 2 model core backwards is until sliding
Block 2 has resetted, and refer to Fig. 3, and matched moulds completes.
In the embodiment of the present invention, after die sinking, safety pole 403 is plugged in safety vent 203, and ejector pin component 4 is the completeest
During all reset, safety pole 403 does not exits from safety vent 203 completely, so that slide block 2 cannot be towards the first end 1a of rear mold core
Mobile reset, it is to avoid slide block 2 bumps against with push rod 402.
Above content is to combine the further description that the present invention is done by specific embodiment, it is impossible to assert this
Bright being embodied as is confined to these explanations.For the those of ordinary skill of the technical field belonging to the present invention, not
On the premise of departing from present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the guarantor of the present invention
Protect scope.
Claims (3)
1. the structure that an anti-limited slip block and push rod bump against, it is characterised in that:
It includes that the slide block being embedded in rear mold core, described rear mold core have the first end and the second end being oppositely arranged, described
Slide block have the first end arranged in the same direction with described rear mold core the first end and with rear mold core the second end arrange in the same direction second
End, the first end of described slide block has the boss for forming product back-off face, described slide block is further opened with running through slide block
Pilot hole and safety vent, described pilot hole extends along first slide end obliquely downwards to the second extreme direction, and described safety vent is vertical
Extend；
The Angle Pin being located on front mould, described Angle Pin coordinates with described pilot hole, and when front mould and rear mold die sinking, Angle Pin can carry
Movable slider moves along rear mold core the first end to the second extreme direction, when front mould and rear mold matched moulds, behind Angle Pin energy band movable slider edge
Model core the second end moves to the first extreme direction；
And
Ejector pin component, described ejector pin component includes that ejector retainner plate, described ejector retainner plate have and sets in the same direction with described rear mold core the first end
The first end put and the second end arranged in the same direction with rear mold core the second end, along its first end to the second end on described ejector retainner plate
Direction is provided with for the push rod in ejecting product back-off face and the safety pole that coordinates with described safety vent, on described ejector retainner plate also
It is provided with the limited post matched with described rear mold core.
The structure that anti-limited slip block the most as claimed in claim 1 and push rod bump against, it is characterised in that: described boss has for shape
Become three end faces in product back-off face, respectively upper surface, side end face and lower surface.
The structure that anti-limited slip block the most as claimed in claim 1 or 2 and push rod bump against, it is characterised in that: described ejector retainner plate includes
Ejector Retainer Plate and the thimble panel being located on described Ejector Retainer Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746991.7A CN106142466A (en) | 2016-08-29 | 2016-08-29 | The structure that a kind of anti-limited slip block and push rod bump against |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746991.7A CN106142466A (en) | 2016-08-29 | 2016-08-29 | The structure that a kind of anti-limited slip block and push rod bump against |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106142466A true CN106142466A (en) | 2016-11-23 |
Family
ID=57345020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610746991.7A Pending CN106142466A (en) | 2016-08-29 | 2016-08-29 | The structure that a kind of anti-limited slip block and push rod bump against |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106142466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267300A (en) * | 2020-02-10 | 2020-06-12 | 宁波方正汽车模具股份有限公司 | Demoulding mechanism for automobile instrument panel decorative strip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120107446A1 (en) * | 2010-10-27 | 2012-05-03 | Cheng Uei Precision Industry Co., Ltd. | Plastic injection mold |
| CN103057057A (en) * | 2011-10-20 | 2013-04-24 | 汉达精密电子(昆山)有限公司 | Ejection forced demolding mechanism |
| CN203726770U (en) * | 2014-01-20 | 2014-07-23 | 骏越科技（深圳）有限公司 | Mould with ejector pin protection |
| CN104690852A (en) * | 2013-12-06 | 2015-06-10 | 汉达精密电子(昆山)有限公司 | Double-ejection structure |
| CN206011603U (en) * | 2016-08-29 | 2017-03-15 | 武汉燎原模塑有限公司 | The structure that a kind of anti-limited slip block and push rod bump against |
-
2016
- 2016-08-29 CN CN201610746991.7A patent/CN106142466A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120107446A1 (en) * | 2010-10-27 | 2012-05-03 | Cheng Uei Precision Industry Co., Ltd. | Plastic injection mold |
| CN103057057A (en) * | 2011-10-20 | 2013-04-24 | 汉达精密电子(昆山)有限公司 | Ejection forced demolding mechanism |
| CN104690852A (en) * | 2013-12-06 | 2015-06-10 | 汉达精密电子(昆山)有限公司 | Double-ejection structure |
| CN203726770U (en) * | 2014-01-20 | 2014-07-23 | 骏越科技（深圳）有限公司 | Mould with ejector pin protection |
| CN206011603U (en) * | 2016-08-29 | 2017-03-15 | 武汉燎原模塑有限公司 | The structure that a kind of anti-limited slip block and push rod bump against |
Non-Patent Citations (1)
| Title |
|---|
| 贾广浩等: "《AutoCAD 2012 注塑模具布局与结构设计》", 31 January 2012, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267300A (en) * | 2020-02-10 | 2020-06-12 | 宁波方正汽车模具股份有限公司 | Demoulding mechanism for automobile instrument panel decorative strip |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |