CN207915983U - A kind of spring Zhi Ding mechanisms - Google Patents
A kind of spring Zhi Ding mechanisms Download PDFInfo
- Publication number
- CN207915983U CN207915983U CN201820216917.9U CN201820216917U CN207915983U CN 207915983 U CN207915983 U CN 207915983U CN 201820216917 U CN201820216917 U CN 201820216917U CN 207915983 U CN207915983 U CN 207915983U
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- CN
- China
- Prior art keywords
- vessel
- spring
- loop bar
- push rod
- lower die
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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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Abstract
The utility model is related to injection mold technologies,More particularly to a kind of spring Zhi Ding mechanisms,Including upper die and lower die,It is provided with mould bases below the lower die,The first vessel is provided in the mould bases,It is provided with ejector retainner plate in first vessel,The ejector retainner plate is equipped with the second vessel,Straight mandril is equipped in second vessel,The straight mandril includes loop bar and push rod,The loop bar is set in the second vessel,One end of the push rod is sheathed in loop bar,Third vessel is provided in the lower die,Spring is provided in the third vessel directly to push up,The other end of the push rod passes through mould bases and stretches into lower die directly to push up with spring and is fixedly connected,The push rod is arranged with spring across molded base part,The upper end of the ejector retainner plate is additionally provided with thimble,The thimble is located at the side of straight mandril,The utility model increases spring on straight mandril and directly pushes up,It is directly pushed up by spring by product top pine,Then product is ejected by thimble,Prevent product from rupturing,It is simple in structure,It is highly practical.
Description
Technical field
The utility model is related to injection mold technology more particularly to a kind of spring Zhi Ding mechanisms.
Background technology
It is well known that injection mold it is very universal be used in industrial products production field, injection mold be
Plastics are assigned in molding with the component of shape and size.Although the structure of mold is due to plastics variety and performance, plastic products
Type of shape and structure and injector etc. is different and possible ever-changing, but basic structure is consistent.Mold is main
It is made of running gate system, forming part and constitutional detail three parts.Wherein running gate system and forming part are directly connect with plastics
Contact portion point, and change with plastics and product, it is most complicated in mold, variation is maximum, it is desirable that processing finish and precision highest
Part.Running gate system refer to plastics from nozzle enter cavity before runner section, including sprue, cold slug well, runner and
Cast gate etc..Forming part refer to constitute article shape various parts, including dynamic model, cover half and cavity, core, curved lever and
Exhaust outlet etc..
Further include ejecting structure in the above-mentioned structure of mold, the effect of ejecting structure is will molding after completing to be molded
Product is from mold ejection, and now with the increasingly complicated of product structure, the skeleton of some products is deeper, and traditional upright top
Go out mode and be difficult to realize ejecting function, product is easy by capping.
Invention content
The purpose of this utility model is that providing a kind of spring Zhi Ding mechanisms, the utility model in view of the deficiencies of the prior art
Increase spring on straight mandril directly to push up, is directly pushed up by spring by product top pine, then product is ejected by thimble, prevents product
Rupture, it is simple in structure, highly practical.
The utility model is achieved through the following technical solutions, a kind of spring Zhi Ding mechanisms, including upper mold and setting
It is provided with mould bases below the lower die of lower part of upper die, the lower die, the first vessel is provided in the mould bases, described first holds
Intracavitary is provided with ejector retainner plate, and the ejector retainner plate is equipped with the second vessel, straight mandril, the straight mandril packet are equipped in second vessel
Loop bar and push rod are included, the loop bar is set in the second vessel, and one end of the push rod is sheathed in loop bar, is set in the lower die
It is equipped with third vessel, being provided with spring in the third vessel directly pushes up, and the other end of the push rod passes through mould bases and stretches into lower die
Interior directly pushed up with spring is fixedly connected, and the push rod is arranged with spring across molded base part, and the upper end of the ejector retainner plate is additionally provided with
Thimble, the thimble are located at the side of straight mandril.
Preferably, the mould bases is provided with the opening for being passed through for push rod, the diameter of the opening is more than push rod
Diameter, the diameter of the opening are less than the diameter of loop bar.
Preferably, the loop bar is 15mm ~ 25mm apart from extended distance.
Preferably, the loop bar is 20mm apart from extended distance.
Preferably, the ejector retainner plate is additionally provided with the 4th vessel, the 4th vessel is located at the lower end of third vessel, institute
The lower end for stating loop bar is provided with limited block, and the limited block is set in the 4th vessel, and the diameter of the limited block is more than third
The diameter of vessel.
The beneficial effects of the utility model：A kind of spring Zhi Ding mechanisms, including upper mold and the lower die for being set to lower part of upper die,
It is provided with mould bases below the lower die, the first vessel is provided in the mould bases, ejector retainner plate is provided in first vessel,
The ejector retainner plate is equipped with the second vessel, is equipped with straight mandril in second vessel, and the straight mandril includes loop bar and push rod, described
Loop bar is set in the second vessel, and one end of the push rod is sheathed in loop bar, and third vessel is provided in the lower die, described
Spring is provided in third vessel directly to push up, the other end of the push rod passes through mould bases and stretches into directly pushes up fixed company with spring in lower die
It connects, the push rod is arranged with spring across molded base part, and the upper end of the ejector retainner plate is additionally provided with thimble, and the thimble is located at straight
The side of mandril, after upper die and lower die die sinking, ejector retainner plate moves up, and spring is directly pushed up since the effect of spring up ejects, and will be produced
Product top pine, prevents position of bone sticking to mould, subsequent ejector retainner plate from continuing to move up, is ejected product by thimble.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1.
Fig. 3 is the enlarged structure schematic diagram at B in Fig. 1.
Specific implementation mode
1 the utility model is described further to attached drawing 3 and specific implementation mode below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of spring Zhi Ding mechanisms, including upper mold 1 and the lower die 2 for being set to 1 lower section of upper mold, the lower die
2 lower section is provided with mould bases 3, and the first vessel is provided in the mould bases 3, and ejector retainner plate 4 is provided in first vessel, described
Ejector retainner plate 4 is equipped with the second vessel, is equipped with straight mandril in second vessel, the straight mandril includes loop bar 51 and push rod 52, institute
It states loop bar 51 to be set in the second vessel, one end of the push rod 52 is sheathed in loop bar, and third appearance is provided in the lower die 2
Chamber is provided with spring in the third vessel and directly pushes up 6, and the other end of the push rod 52 passes through mould bases 3 and stretches into lower die 2 and bullet
Spring directly pushes up 6 and is fixedly connected, and the push rod 52 passes through the part of mould bases 3 to be arranged with spring 7, and the upper end of the ejector retainner plate 4 is also set up
There are thimble 8, the thimble 8 to be located at the side of straight mandril.
After the present embodiment upper mold 1 and lower die 2 mold, ejector retainner plate 4 moves up, spring directly push up 6 due to spring 7 effect up
Product top pine is prevented position of bone sticking to mould, subsequent ejector retainner plate 4 from continuing to move up, is ejected product by thimble 8 by ejection.
In the present embodiment, the mould bases 3 is provided with the opening for being passed through for push rod 52, and the diameter of the opening, which is more than, to be pushed away
The diameter of the diameter of bar 52, the opening is opened less than the diameter of loop bar 51 after ejector retainner plate 4 pushes straight mandril by product top pine
Mouth limits straight mandril and continues to move up for limiting loop bar 51.
In the present embodiment, the limit due to the opening on mould bases 3 to loop bar 51, the loop bar 51 apart from opening away from
From（The stroke distances of i.e. straight mandril）For 15mm ~ 25mm, as best embodiment, the loop bar 51 is apart from extended distance
20mm。
In the present embodiment, the ejector retainner plate 4 is additionally provided with the 4th vessel, and the 4th vessel is located under third vessel
End, the lower end of the loop bar 51 are provided with limited block 511, and the limited block 511 is set in the 4th vessel, the limited block
511 diameter is more than the diameter of third vessel, and when reset, ejector retainner plate 4 moves down, and the cavity wall of third vessel pushes under limited block 511
It moves, limited block 511 pulls straight mandril to reset.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (5)
1. a kind of spring Zhi Ding mechanisms, it is characterised in that：Including upper mold and the lower die for being set to lower part of upper die, under the lower die
Side is provided with mould bases, and the first vessel is provided in the mould bases, ejector retainner plate is provided in first vessel, the ejector retainner plate is set
There is the second vessel, be equipped with straight mandril in second vessel, the straight mandril includes loop bar and push rod, and the loop bar is set to the
In two vessels, one end of the push rod is sheathed in loop bar, and third vessel is provided in the lower die, is set in the third vessel
It is equipped with spring directly to push up, the other end of the push rod passes through mould bases and stretches into lower die directly to push up with spring and is fixedly connected, the push rod
It is arranged with spring across the part of mould bases, the upper end of the ejector retainner plate is additionally provided with thimble, and the thimble is located at the side of straight mandril
Side.
2. a kind of spring Zhi Ding mechanisms according to claim 1, it is characterised in that：The mould bases is provided with for for push rod
The opening passed through, the diameter of the opening are more than the diameter of push rod, and the diameter of the opening is less than the diameter of loop bar.
3. a kind of spring Zhi Ding mechanisms according to claim 2, it is characterised in that：The loop bar is apart from extended distance
15mm~25mm。
4. a kind of spring Zhi Ding mechanisms according to claim 3, it is characterised in that：The loop bar is apart from extended distance
20mm。
5. a kind of spring Zhi Ding mechanisms according to claim 1, it is characterised in that：The ejector retainner plate is additionally provided with the 4th appearance
Chamber, the 4th vessel are located at the lower end of third vessel, and the lower end of the loop bar is provided with limited block, and the limited block is set to
In 4th vessel, the diameter of the limited block is more than the diameter of third vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216917.9U CN207915983U (en) | 2018-02-07 | 2018-02-07 | A kind of spring Zhi Ding mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216917.9U CN207915983U (en) | 2018-02-07 | 2018-02-07 | A kind of spring Zhi Ding mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207915983U true CN207915983U (en) | 2018-09-28 |
Family
ID=63603684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820216917.9U Active CN207915983U (en) | 2018-02-07 | 2018-02-07 | A kind of spring Zhi Ding mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207915983U (en) |
-
2018
- 2018-02-07 CN CN201820216917.9U patent/CN207915983U/en active Active
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