CN109397645A - A kind of ramp-roof structure with inclined ejector pin in injection mold - Google Patents
A kind of ramp-roof structure with inclined ejector pin in injection mold Download PDFInfo
- Publication number
- CN109397645A CN109397645A CN201811457100.1A CN201811457100A CN109397645A CN 109397645 A CN109397645 A CN 109397645A CN 201811457100 A CN201811457100 A CN 201811457100A CN 109397645 A CN109397645 A CN 109397645A
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- CN
- China
- Prior art keywords
- oblique
- ejector pin
- ramp
- oblique top
- inclined ejector
- 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
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 230000007704 transition Effects 0.000 claims abstract description 7
- 210000000481 breast Anatomy 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000490495 Barbarea Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- B29C45/401—Ejector pin constructions or mountings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to the ramp-roof structures with inclined ejector pin in a kind of injection mold, including rear cavity, angle ejector rod, inclined ejector pin, oblique top wear-resistant block, and actuator, the elastic component for driving inclined ejector pin one end to resist oblique ramp always is additionally provided on angle ejector rod, along oblique top moving direction, oblique ramp includes being divided into successively transition from top to bottom to connect the first groove segment, oblique section of foundation and the second groove segment, when inclined ejector pin one end resists oblique section of foundation, the inclined ejector pin other end stretches out angle ejector rod and opens the product overhead kick region being placed in rear cavity, when the bosom of the first groove segment of inclined ejector pin one end or the second groove segment, the inclined ejector pin other end retracts in oblique top.Compared with prior art, the present invention can realize under the premise of not increasing oblique top and catching up with sliding stroke stablizes demoulding etc. to the good of the injecting products with overhead kick region.
Description
Technical field
The invention belongs to technology of die manufacturing field, a kind of be related in injection mold the ramp-roof structure with inclined ejector pin.
Background technique
Plastic demoulding is the last one link of injection molding, and whether demolding structure is reasonable, is risen to the quality of plastic part quality
Vital effect.As the product variety that injection mold produces is more and more, structure also becomes increasingly complex, wherein very much
All there is back-off structure, back-off can be fitted close product with mold, be difficult product and mold separation, so that mold needs are matched
Standby special demolding structure makes product and mold separation, and in general, this demolding structure is all extremely complex, and separate and stablize
Property is also difficult to ensure.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide in a kind of injection mold
Ramp-roof structure with inclined ejector pin.
The purpose of the present invention can be achieved through the following technical solutions:
The ramp-roof structure with inclined ejector pin in a kind of injection mold, after being machined with the oblique ramp tilted down
Mode, through the rear cavity and side touch the angle ejector rod in the oblique ramp, the horizontal oblique top top for being pierced by the angle ejector rod
Needle, be mounted in injection mold and be machined with for oblique top matching across guiding inclined hole oblique top wear-resistant block and driving
The oblique top edge is oriented to the actuator that inclined hole direction moves back and forth, and is additionally provided on the angle ejector rod and drives inclined ejector pin one end always
The elastic component for resisting oblique ramp, along oblique top moving direction, the oblique ramp includes being divided into successively transition connection from top to bottom
First groove segment, oblique section of foundation and the second groove segment, when inclined ejector pin one end resists oblique section of foundation, inclined ejector pin is another
End stretches out angle ejector rod and opens the product overhead kick region being placed in rear cavity, the first groove segment of inclined ejector pin one end or the second groove
When the bosom of section, the inclined ejector pin other end is retracted in oblique top.
Further, it is equipped with horizontal perforative oblique top through-hole in the angle ejector rod, is mounted in oblique top through-hole described
Angle ejector rod and both ends are respectively held against the elastic component of angle ejector rod Yu oblique top through-hole wall.It is furthermore preferred that elastic component is using pressure
Contracting spring.
Further, the oblique top through-hole is additionally provided with thimble wear-resistant block close to the end in oblique ramp, resistance in thimble
Be equipped in abrading block for inclined ejector pin matching across horizontal guide hole.
Further, first groove segment, the side being connect respectively with oblique section of foundation transition on the second groove segment
Angle between oblique section of foundation is acute angle.
Further, the section of first groove segment is in the right angled triangle that disposes vertically, and when angle ejector rod to
When lower slider to inclined ejector pin is resisted at the right angle end angle of the first groove segment, injection mold is in molding state.
Further, the actuator includes the oblique top column being fixed on the ejector retainner plate of injection mold, on oblique top column
Be equipped with equipped with the relief hole parallel with inclined ejector pin, in the relief hole can be moved along it and the hinged angle ejector rod bottom it is oblique
Push up slide plate.
Compared with prior art, the present invention purchases angle ejector rod band inclined ejector pin structure, can be good at separating in product and make
With, the reduction angle ejector rod size from structure, and shorten angle ejector rod sliding stroke, product stability is improved, product is being separated
Quality guarantee in the process.
Detailed description of the invention
Fig. 1 is schematic diagram of the ramp-roof structure under molding state；
Fig. 2 is the enlarged diagram of Blocked portion in Fig. 1；
Fig. 3 is schematic diagram of the ramp-roof structure when die sinking opens injecting products side overhead kick region；
Fig. 4 is the enlarged diagram of Blocked portion in Fig. 3；
Fig. 5 is schematic diagram when ramp-roof structure inclined ejector pin after die sinking is detached from overhead kick region；
Fig. 6 is the enlarged diagram of Blocked portion in Fig. 5；
Description of symbols in figure:
1- inclined ejector pin, 2- elastic component, 3- thimble wear-resistant block, 4- rear cavity, 5- angle ejector rod, 6- oblique top wear-resistant block, 7- pin
Axis, 8- oblique top slide plate, 9- oblique top column, the first groove segment of 10-, the oblique section of foundation of 11-, the second groove segment of 12-.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment 1
A kind of ramp-roof structure with inclined ejector pin 1 in injection mold, structure is referring to shown in Fig. 1-Fig. 6, including processing
There is the rear cavity 4 in the oblique ramp tilted down, through rear cavity 4 and side touch the angle ejector rod 5 in oblique ramp, level is pierced by
The inclined ejector pin 1 of angle ejector rod 5, be mounted in injection mold and be machined with for oblique top matching across guiding inclined hole oblique top it is wear-resisting
Block 6 and driving oblique top edge are oriented to the actuator that inclined hole direction moves back and forth, and are additionally provided on angle ejector rod 5 and drive inclined ejector pin 1 one
End resists the elastic component 2 in oblique ramp always, and along oblique top moving direction, oblique ramp includes being divided into successively transition company from top to bottom
The first groove segment 10, oblique section of foundation 11 and the second groove segment 12 are connect, when 1 one end of inclined ejector pin resists oblique section of foundation 11,
1 other end of inclined ejector pin stretches out angle ejector rod 5 and opens the product overhead kick region being placed in rear cavity 4,1 one end first of inclined ejector pin
When the bosom of groove segment 10 or the second groove segment 12,1 other end of inclined ejector pin is retracted in oblique top.
It is equipped with horizontal perforative oblique top through-hole in the present embodiment, in angle ejector rod 5, angle ejector rod 5 is mounted in oblique top through-hole,
And both ends are respectively held against the elastic component 2 of angle ejector rod 5 Yu oblique top through-hole wall, compressed spring can be used in elastic component 2.Oblique top through-hole
Be additionally provided with thimble wear-resistant block 3 close to the end in oblique ramp, be equipped in thimble wear-resistant block 3 for the matching of inclined ejector pin 1 across
Horizontal guide hole.
Meanwhile the side that is connect respectively with oblique 11 transition of section of foundation on first groove segment 10, the second groove segment 12 and tiltedly
It is acute angle to the angle between section of foundation 11, the section of the first groove segment 10 is in the right angled triangle disposed vertically, and works as oblique top
Bar 5 slides down to inclined ejector pin 1 when resisting at the right angle end angle of the first groove segment 10, and injection mold is in molding state.
Actuator includes the oblique top column 9 being fixed on the ejector retainner plate of injection mold, is equipped on oblique top column 9 and inclined ejector pin
1 parallel relief hole, relief hole is interior to be equipped with the oblique top slide plate 8 that can be moved along it simultaneously hinged 5 bottom of angle ejector rod.
The present embodiment specific work process is as follows:
In the state of molding, entire ramp-roof structure referring to figure 1 and figure 2, the end of the inclined ejector pin 1 on angle ejector rod 5
The bottom for just resisting the first groove segment 10, when injection mold die sinking, as shown in figure 3 and figure 4, oblique top column 9 is with thimble for ginseng
Plate moves up, and then passes through the conversion of relief hole and oblique top slide plate 8, moves so that angle ejector rod 5 is realized along guiding inclined hole direction,
1 end of inclined ejector pin is gradually moved to oblique section of foundation 11 along the first groove segment 10 under the action of elastic component 2, and state is joined at this time
As shown in figure 3 and figure 4, the protruding maximum of 1 other end of inclined ejector pin can be by the product in rear cavity 4 by size design
Side overhead kick region jack up, and then, 1 end of inclined ejector pin continue diagonally section of foundation 11 slide to the second groove segment 12, when
When being placed in the second 12 bosom of groove segment, the inclined ejector pin 1 that the other end stretches out is retracted into angle ejector rod 5, referring to figs. 5 and 6
It is shown, guarantee that inclined ejector pin 1 and product side barb area are detached from, and then effectively product is avoided to cling ramp-roof structure and be difficult to point
From.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (6)
1. the ramp-roof structure with inclined ejector pin in a kind of injection mold, which is characterized in that including be machined with tilt down it is oblique
To the rear cavity in ramp, through the rear cavity and side touch the angle ejector rod in the oblique ramp, level is pierced by the oblique top
The inclined ejector pin of bar, be mounted in injection mold and be machined with for oblique top matching across guiding inclined hole oblique top it is wear-resisting
Block and the driving oblique top edge are oriented to the actuator that inclined hole direction moves back and forth, and are additionally provided on the angle ejector rod and drive oblique top
Thimble one end resists the elastic component in oblique ramp always, and along oblique top moving direction, the oblique ramp includes being divided into from top to bottom
Successively transition connects the first groove segment, oblique section of foundation and the second groove segment, when inclined ejector pin one end resists oblique section of foundation,
The inclined ejector pin other end stretches out angle ejector rod and opens the product overhead kick region being placed in rear cavity, the first groove of inclined ejector pin one end
When the bosom of section or the second groove segment, the inclined ejector pin other end is retracted in oblique top.
2. the ramp-roof structure with inclined ejector pin in a kind of injection mold according to claim 1, which is characterized in that described
Angle ejector rod in be equipped with horizontal perforative oblique top through-hole, the angle ejector rod and both ends are mounted in oblique top through-hole and are supported respectively
The firmly elastic component of angle ejector rod and oblique top through-hole wall.
3. the ramp-roof structure with inclined ejector pin in a kind of injection mold according to claim 2, which is characterized in that described
Oblique top through-hole be additionally provided with thimble wear-resistant block close to the end in oblique ramp, in thimble wear-resistant block be equipped with supply the inclined ejector pin
Match across horizontal guide hole.
4. the ramp-roof structure with inclined ejector pin in a kind of injection mold according to claim 1, which is characterized in that described
The first groove segment, the angle on the second groove segment between the side being connect respectively with oblique section of foundation transition and oblique section of foundation
For acute angle.
5. the ramp-roof structure with inclined ejector pin in a kind of injection mold according to claim 4, which is characterized in that described
The section of the first groove segment be in the right angled triangle that disposes vertically, and resist first when angle ejector rod slides down to inclined ejector pin
When at the right angle end angle of groove segment, injection mold is in molding state.
6. the ramp-roof structure with inclined ejector pin in a kind of injection mold according to claim 1, which is characterized in that described
Actuator include the oblique top column being fixed on the ejector retainner plate of injection mold, be equipped with and parallel with inclined ejector pin allow on oblique top column
Position hole, the relief hole is interior to be equipped with the oblique top slide plate that can be moved along it the simultaneously hinged angle ejector rod bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457100.1A CN109397645A (en) | 2018-11-30 | 2018-11-30 | A kind of ramp-roof structure with inclined ejector pin in injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457100.1A CN109397645A (en) | 2018-11-30 | 2018-11-30 | A kind of ramp-roof structure with inclined ejector pin in injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109397645A true CN109397645A (en) | 2019-03-01 |
Family
ID=65456671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811457100.1A Pending CN109397645A (en) | 2018-11-30 | 2018-11-30 | A kind of ramp-roof structure with inclined ejector pin in injection mold |
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| CN (1) | CN109397645A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549458A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Oil tank oil filler hole apron vacuum injection mold |
| CN113815204A (en) * | 2021-09-27 | 2021-12-21 | 浙江凯华模具有限公司 | Inclined ejection spring needle linkage mechanism of injection mold and back-off method |
| CN114103019A (en) * | 2021-08-31 | 2022-03-01 | 浙江凯华模具有限公司 | Adjustable inclined top reverse-buckle removing mechanism and reverse-buckle removing method for injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201913735U (en) * | 2010-12-07 | 2011-08-03 | 亿和精密工业（苏州）有限公司 | Angle ejector push-out mechanism |
| CN209257418U (en) * | 2018-11-30 | 2019-08-16 | 上海甬兴塑胶有限公司 | The ramp-roof structure with inclined ejector pin in injection mold |
-
2018
- 2018-11-30 CN CN201811457100.1A patent/CN109397645A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201913735U (en) * | 2010-12-07 | 2011-08-03 | 亿和精密工业（苏州）有限公司 | Angle ejector push-out mechanism |
| CN209257418U (en) * | 2018-11-30 | 2019-08-16 | 上海甬兴塑胶有限公司 | The ramp-roof structure with inclined ejector pin in injection mold |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549458A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Oil tank oil filler hole apron vacuum injection mold |
| CN114103019A (en) * | 2021-08-31 | 2022-03-01 | 浙江凯华模具有限公司 | Adjustable inclined top reverse-buckle removing mechanism and reverse-buckle removing method for injection mold |
| CN113815204A (en) * | 2021-09-27 | 2021-12-21 | 浙江凯华模具有限公司 | Inclined ejection spring needle linkage mechanism of injection mold and back-off method |
| CN113815204B (en) * | 2021-09-27 | 2023-11-10 | 浙江凯华模具有限公司 | Injection mold inclined ejection spring needle linkage mechanism and back-off method |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |
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| RJ01 | Rejection of invention patent application after publication |