CN207915976U - Double-ejection demoulding mechanism - Google Patents
Double-ejection demoulding mechanism Download PDFInfo
- Publication number
- CN207915976U CN207915976U CN201721845021.9U CN201721845021U CN207915976U CN 207915976 U CN207915976 U CN 207915976U CN 201721845021 U CN201721845021 U CN 201721845021U CN 207915976 U CN207915976 U CN 207915976U
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- China
- Prior art keywords
- mandril
- spring
- ejection
- double
- plate
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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.)
- Expired - Fee Related
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- Moulds, Cores, Or Mandrels (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of Double-ejection demoulding mechanisms; including the first mandril, the second mandril, pushing mechanism, baffle, limited block and spring; the first end of the length for being shorter in length than the first mandril of second mandril, the first mandril and the second mandril forms ejection part；The baffle is equipped with first passage and second channel, first mandril coordinates with first passage, and the second mandril coordinates with second channel, and the limited block is fixed on the first mandril, limited block is located at the lower section of first passage, the diameter of the size of the limited block at least more than first passage；The second end of first mandril further includes limited section and jacking block, which is located at the top of jacking block, and the jacking block withstands the upper end of spring, and the lower end of the spring is withstood in pushing mechanism.Double-ejection demoulding mechanism described in the utility model makes product steadily release, and simple in structure, cost is relatively low, improves production efficiency.
Description
Technical field
The utility model is related to injection mold technologies, and in particular to a kind of Double-ejection demoulding mechanism.
Background technology
In the production process of existing plastics injection mould, the pushing method of mould product to the quality of Injection moulded part and
Production efficiency has an important influence, and the ejection of product mainly has three ways, such as machinery, hydraulic pressure and pneumatic, wherein machinery ejection is the most
Generally, traditional ejection that product is taken out from mechanism acts only once.
Since the shape of some products is special, or according to requirement when producing, after primary ejection action, product system
Part can not make product Automatic-falling still in cavity, need to increase secondary ejection, but the structure of traditional mechanism is more multiple
It is miscellaneous, and ejection is unstable, the product product of ejection has the defects of top bletilla is pulled, and influences product quality, leads to production efficiency
It reduces, increases the input cost of enterprise.
Invention content
The purpose of this utility model is that improving the defect of the prior art, a kind of Double-ejection demoulding mechanism, this reality are provided
Product is set steadily to release with the novel Double-ejection demoulding mechanism, simple in structure, cost is relatively low, improves production efficiency.
Its technical solution is as follows：
Double-ejection demoulding mechanism, including the first mandril, the second mandril, pushing mechanism, baffle, limited block and spring, institute
The direction for stating the first mandril and the second mandril is identical, the length for being shorter in length than the first mandril of second mandril, the first mandril and
Second mandril all has first end and second end, and first end is opposite with the position of second end, and the of the first mandril and the second mandril
One end forms ejection part；The baffle is equipped with first passage and second channel, and first mandril coordinates with first passage, and second
Mandril coordinates with second channel, and the limited block is fixed on the first mandril, and limited block is located at the lower section of first passage, the limit
Diameter of the size of block at least more than first passage；The second end of first mandril further includes limited section and jacking block, the restriction
Portion is located at the top of jacking block, and the jacking block withstands the upper end of spring, and the lower end of the spring is withstood in pushing mechanism.
Further, the pushing mechanism includes fixed plate, pushing plate and guide sleeve, is equipped with duct in the fixed plate, this is pushed away
Through-hole is equipped in movable plate, through-hole is located at the lower section in duct, and duct is communicated with through-hole, and the duct and through-hole are matched with the first mandril
It closes, duct is equipped with card top, and the limited section is located at the lower section at card top, and the spring is set on guide sleeve, under the spring
End is withstood in the guide sleeve of pushing mechanism, is stated jacking block, spring and guide sleeve and is arranged at through hole.
Further, the pushing plate is located at the lower section of fixed plate, and pushing plate connects with fixed plate, second mandril
Second end be mounted on fixed plate in；Cavity is formed inside side plate on the outside of the both ends of the baffle and pushing mechanism, it is described to push away
The second end of dynamic component, limited block and the first mandril is respectively positioned in cavity；Supporting plate is equipped with below the pushing mechanism, on the supporting plate
It is additionally provided with groove, which coordinates with the guide sleeve.
The advantages of below to the utility model or principle illustrate：
1, Double-ejection demoulding mechanism is in molding state, and spring is in relaxed state, in the knockout course of product product
In, pushing mechanism is released upwards, the first mandril and the second mandril is enable to carry out sequence Double-ejection, when limited block withstands
Behind one channel, the first mandril stop motion, for the first time ejection is completed；The second mandril continues to eject at this time, and jacking block withstands spring, makes
Spring starts to be pressurized in guide sleeve, until fixed plate withstands limited block, second of ejection is completed, product product Automatic-falling；
The structure of Double-ejection demoulding mechanism is simpler, easy to operate, improves production efficiency, reduces cost, the second top
Bar can disperse the power for the application that the first mandril acts on product product when ejecting for second, after preferably avoiding ejection
The top bletilla of product product pulls phenomenon, ensures the quality of product product, and product can be made smoothly to release, and stability is good
It is good.
2, it is equipped with card top in duct, spring, guide sleeve and the first mandril can be withstood at the top of the card, preferably to prevent
Parts ejecting mechanism during the work time improves the stability of mechanism, and duct is communicated with through-hole, coordinates the first mandril work
Make, spring is withstood in guide sleeve, which can bear the pressure of spring.
3, the cavity can protect internal component, and the component in the inside of cavity is made not influenced by outside environmental elements,
The accuracy when ejection of product product is improved, and increases the service life of Double-ejection demoulding mechanism.
4, pushing plate connects with fixed plate, and duct is made preferably to coordinate with through-hole, is not susceptible to deviate, makes duct and through-hole
Interior component is more stablized and is not easy to pop up, and manual maintenance cost is reduced.
5, the groove on supporting plate can be stablized with guide sleeve under molding state and coordinate, and prevent guide sleeve from working in external agency
It deviates or falls off under effect.
Description of the drawings
Fig. 1 is the sectional view under the utility model embodiment Double-ejection demoulding mechanism molding state；
Fig. 2 is the sectional view ejected for the first time in Fig. 1 under completion status；
Fig. 3 is the sectional view under second of ejection ejection completion status in Fig. 1；
Fig. 4 is the structure chart of the first mandril in Fig. 1；
Fig. 5 is the structure chart of the second mandril in Fig. 1；
Fig. 6 is the structure chart of guide sleeve and spring in Fig. 1；
Fig. 7 is the structure chart of pushing mechanism in Fig. 1；
Reference sign：
10, the first mandril, 11, ejection part, 12, limited section, 13, jacking block, the 20, second mandril, 30, pushing mechanism, 31, solid
Fixed board, 311, duct, 312, card top, 32, pushing plate, 321, through-hole, 33, guide sleeve, 40, baffle, 41, first passage, 42, the
Two channels, 50, limited block, 60, spring, 70, side plate, 80, cavity, 90, supporting plate, 91, groove.
Specific implementation mode
The embodiments of the present invention are described in detail below.
As shown in Fig. 1 to 7, Double-ejection demoulding mechanism, including the first mandril 10, the second mandril 20, pushing mechanism 30, gear
The direction of plate 40, limited block 50 and spring 60, first mandril, 10 and second mandril 20 is identical, the length of second mandril 20
The shorter than length of the first mandril 10, the first mandril 10 and the second mandril 20 all have first end and second end, first end and second
The position at end is opposite, and the first end of the first mandril 10 and the second mandril 20 forms ejection part 11；It is logical that the baffle 40 is equipped with first
Road 41 and second channel 42, first mandril 10 coordinate with first passage 41, and the second mandril 20 coordinates with second channel 42, institute
It states limited block 50 to be fixed on the first mandril 10, limited block 50 is located at the lower section of first passage 41, and the size of the limited block 50 is extremely
It is more than the diameter of first passage 41 less；The second end of first mandril 10 further includes limited section 12 and jacking block 13, the limited section
12 are located at the top of jacking block 13, and the jacking block 13 withstands the upper end of spring 60, and the lower end of the spring 60 is withstood in pushing mechanism 30.
The pushing mechanism 30 includes fixed plate 31, pushing plate 32 and guide sleeve 33, and duct 311 is equipped in the fixed plate 31,
Through-hole 321 is equipped in the pushing plate 32, through-hole 321 is located at the lower section in duct 311, and duct 311 is communicated with through-hole 321, the hole
Road 311 and through-hole 321 and the first mandril 10 coordinate, and duct 311 is equipped with card top 312, and the limited section 12 is located at card top 312
Lower section, the spring 60 is set on guide sleeve 33, and the lower end of the spring 60 is withstood in the guide sleeve 33 of pushing mechanism 30, is stated
Jacking block 13, spring 60 and guide sleeve 33 are arranged at through-hole 321.
The baffle 40 forms cavity 80, the pushing mechanism with 70 inside of side plate on the outside of the both ends of pushing mechanism 30
30, the second end of limited block 50 and the first mandril 10 is respectively positioned in cavity 80；30 lower section of the pushing mechanism is equipped with supporting plate 90, should
Groove 91 is additionally provided on supporting plate 90, which coordinates with the guide sleeve 33；The pushing plate 32 is located at the lower section of fixed plate 31,
And pushing plate 32 connects with fixed plate 31, the second end of second mandril 20 is mounted in fixed plate 31.
The present embodiment has the following advantages that：
1, Double-ejection demoulding mechanism is in molding state, and spring 60 is in relaxed state, in the demoulding of product product
Pushing mechanism 30 is released, so that the first mandril 10 and the second mandril 20 is carried out sequence Double-ejection, work as limit by Cheng Zhong upwards
After block 50 withstands first passage 41,10 stop motion of the first mandril, for the first time ejection is completed；The second mandril 20 continues to push up at this time
Going out, jacking block 13 withstands spring 60, and spring 60 is made to start to be pressurized in guide sleeve 33, until fixed plate 31 withstands limited block 50, second
Secondary ejection is completed, product product Automatic-falling；
The structure of Double-ejection demoulding mechanism is simpler, easy to operate, improves production efficiency, reduces cost, the second top
Bar 20 can disperse the power that the first mandril 10 acts on the application on product product when ejecting for second, preferably to avoid pushing up
The top bletilla for going out rear product product pulls phenomenon, ensures the quality of product product, and product can be made smoothly to release, stability
Well.
2, card top 312 is equipped in duct 311,312 can push up spring 60, guide sleeve 33 and the first mandril 10 at the top of the card
Firmly, preferably to prevent parts ejecting mechanism during the work time, the stability of mechanism, duct 311 and through-hole 321 are improved
It communicates, cooperation the first mandril 10 work, spring 60 is withstood in guide sleeve 33, which can bear the pressure of spring 60.
3, the cavity 80 can protect internal component, make the component in the inside of cavity 80 not by outside environmental elements shadow
It rings, improves the accuracy when ejection of product product, and increase the service life of Double-ejection demoulding mechanism.
4, pushing plate 32 connects with fixed plate 31, and duct 311 is made preferably to coordinate with through-hole 321, is not susceptible to deviate, make
Duct 311 more stablizes with the component in through-hole 321 and is not easy to pop up, and reduces manual maintenance cost.
5, the groove 91 on supporting plate 90 can be stablized with guide sleeve 33 under molding state and coordinate, and prevent guide sleeve 33 in external machine
It deviates or falls off under the action of structure work.
The above are only specific embodiments of the present invention, does not limit the scope of protection of the utility model with this；Not
Any replacement and improvement made by violating on the basis of the utility model is conceived, belong to the scope of protection of the utility model.
Claims (5)
1. Double-ejection demoulding mechanism, which is characterized in that including the first mandril, the second mandril, pushing mechanism, baffle, limited block
And spring, the direction of first mandril and the second mandril is identical, the length for being shorter in length than the first mandril of second mandril, and
One mandril and the second mandril all have first end and second end, and first end is opposite with the position of second end, the first mandril and second
The first end of mandril forms ejection part；
The baffle is equipped with first passage and second channel, and first mandril coordinates with first passage, the second mandril and second
Channel coordinates, and the limited block is fixed on the first mandril, and limited block is located at the lower section of first passage, and the size of the limited block is extremely
It is more than the diameter of first passage less；
The second end of first mandril further includes limited section and jacking block, which is located at the top of jacking block, the jacking block top
The lower end of the firmly upper end of spring, the spring is withstood in pushing mechanism.
2. Double-ejection demoulding mechanism as described in claim 1, which is characterized in that on the outside of the both ends of the baffle and pushing mechanism
Side plate inside form cavity, the second end of the pushing mechanism, limited block and the first mandril is respectively positioned in cavity.
3. Double-ejection demoulding mechanism as claimed in claim 1 or 2, which is characterized in that the pushing mechanism includes fixed plate, pushes away
Movable plate and guide sleeve are equipped with duct in the fixed plate, are equipped with through-hole in the pushing plate, and through-hole is located at the lower section in duct, and duct and
Through-hole communicates, and the duct and through-hole and the first mandril coordinate, and duct is equipped with card top, and the limited section is located under card top
Side, the spring are set on guide sleeve, and the lower end of the spring is withstood in the guide sleeve of pushing mechanism, is stated jacking block, spring and is led
Set is arranged at through hole.
4. Double-ejection demoulding mechanism described in claim 3, which is characterized in that the pushing plate is located at the lower section of fixed plate, and
Pushing plate connects with fixed plate, and the second end of second mandril is mounted in fixed plate.
5. Double-ejection demoulding mechanism described in claim 3, which is characterized in that be equipped with supporting plate, the support below the pushing mechanism
Groove is additionally provided on plate, which coordinates with the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845021.9U CN207915976U (en) | 2017-12-25 | 2017-12-25 | Double-ejection demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845021.9U CN207915976U (en) | 2017-12-25 | 2017-12-25 | Double-ejection demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207915976U true CN207915976U (en) | 2018-09-28 |
Family
ID=63607470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721845021.9U Expired - Fee Related CN207915976U (en) | 2017-12-25 | 2017-12-25 | Double-ejection demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207915976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170613A (en) * | 2019-07-05 | 2021-01-05 | 惠州市世辉实业有限公司 | Lower die of punching die of circuit board |
-
2017
- 2017-12-25 CN CN201721845021.9U patent/CN207915976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170613A (en) * | 2019-07-05 | 2021-01-05 | 惠州市世辉实业有限公司 | Lower die of punching die of circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20201225 |