CN206357588U - Many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold - Google Patents
Many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold Download PDFInfo
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- CN206357588U CN206357588U CN201621323417.2U CN201621323417U CN206357588U CN 206357588 U CN206357588 U CN 206357588U CN 201621323417 U CN201621323417 U CN 201621323417U CN 206357588 U CN206357588 U CN 206357588U
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- core
- rotating disk
- pin
- mold insert
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Abstract
The utility model discloses many types of core diameter in a kind of sleeve member injection mold to core-pulling mechanism, including Angle pin cam, rotating disk and sliding block, rotating disk corresponds to radial hole along the radial direction guide groove being distributed uniformly and circumferentially and the long arc-shaped holes with guide groove in angle of 45 degrees；It is provided with guide groove on the sliding block of gap cooperation, sliding block and is provided with sliding pin and type pin；The die cavity of cavity plate mold insert and the core formation axle sleeve plastic being arranged in cavity plate mold insert between moving platen and solid plate, is provided with set, set coordinates with cavity plate mold insert gap between cavity plate mold insert and rotating disk；Sliding pin is inserted into affiliated long arc-shaped holes, and type pin coordinates with cavity plate mold insert gap.Plastic of the utility model to many types of core radial core-pulling the need for similar to axle sleeve so that the mould features compact structure, small volume, globality is strong, and core pulling is safe and reliable, the size requirement of plastic and surface quality are easy to ensure.
Description
Technical field
The utility model is related to injection mold technical field, in more particularly to a kind of sleeve member injection mold many types of core diameter to
Core-pulling mechanism.
Background technology
Injection mold is the tool for plasthetics rapid shaping.Injection mold is made up of dynamic model and cover half two parts,
Dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, and cover half is arranged on the fixed form of injection (mo(u)lding) machine.In injection moulding
When dynamic model and cover half closure constitute running gate system and die cavity, dynamic model and cover half separation are to take out plastic products during die sinking.Mould
Mainly it is made up of running gate system, thermoregulating system, forming part and constitutional detail.Wherein running gate system and forming part are and plastics
Direct contact portion, and change with plastics and product, it is most complicated, change maximum, it is desirable to process finish and essence in mold
Spend highest part.Running gate system refer to plastics from nozzle enter die cavity before runner section, including sprue, cold slug well, point
Runner and cast gate etc..Forming part refers to the various parts for constituting article shape, including dynamic model, cover half and die cavity, core, shaping
Bar and exhaust outlet etc..
As shown in figure 1, several through holes that axle sleeve plastic outer circumference direction is present require to set many core side core-pullings
Mechanism.Conventional has Angle pin cam side core-drawing mechanism, gear-tooth bar core-pulling mechanism, hydraulic pressure-connecting rod core loosening mechanism, Yi Jichi
The combination revolution core-pulling mechanism such as wheel, connecting rod；These mechanism structures are complicated, and manufacture, installation, debugging have certain difficulty.And
Because die space position is limited, set difficult so that mould globality poor, the size of influence mold use life-span and plastic
Precision.
Utility model content
The technical problems to be solved in the utility model is to provide in a kind of sleeve member injection mold many types of core diameter to tube bundle extracting machine
Structure, to the plastic of many types of core radial core-pulling the need for similar to axle sleeve so that the mould features compact structure, small volume, globality is strong, takes out
Core is safe and reliable, and the size requirement of plastic and surface quality are easy to ensure.
In order to solve the above-mentioned technical problem, specifically, the technical solution of the utility model is as follows：
Many types of core diameter is described to core-pulling mechanism, including Angle pin cam, rotating disk and sliding block in a kind of sleeve member injection mold
Rotating disk corresponds to radial hole along the radial direction guide groove being distributed uniformly and circumferentially and the long arc-shaped holes with guide groove in angle of 45 degrees；Institute
State and be provided with sliding pin and type pin on the sliding block that gap cooperation is provided with guide groove, the sliding block；Between moving platen and solid plate
The die cavity of cavity plate mold insert and the core formation axle sleeve plastic being arranged in the cavity plate mold insert, the cavity plate mold insert and the rotating disk
Between be provided with set, the set coordinates with the cavity plate mold insert gap；The sliding pin is inserted into affiliated long arc-shaped holes, the type
Pin coordinates with the cavity plate mold insert gap.
Further, it is provided with stop screw between the rotating disk and the moving platen.Stop screw has two effects：One
It is that the extreme position that rotating disk is rotated is limited after radial core-pulling；Two be the axial position of stop screw and a moving platen-determination rotating disk
Put.Therefore, the length dimension of stop screw cylindrical section, after need to ensureing that stop screw is screwed on moving platen, makes rotating disk free
Rotate, i.e., rotating disk has certain interval between stop screw axial limiting face and moving platen.
Further, the spring-hanging column on the moving platen is connected with the spring-hanging column on the rotating disk by the way that extension spring is corresponding.
During core pulling, the Angle pin cam driving rotating disk being fixed on solid plate is rotated around cavity plate mold insert, and rotating disk is relied on thereon
Long arc-shaped holes side wall slides in the guide groove of moving platen with movable slider to the pressure of sliding pin, makes type pin radial core-pulling.
The cantilever of the Angle pin cam includes horizontal segment and tilting section.After the tilting section of Angle pin cam departs from rotating disk, footpath
Terminate to core pulling.Angle pin cam makes the angle B that the angle A that rotating disk turns over and extension spring turn over rotating disk.For the special-shaped curved of determination
For pin, what A was to determine, extension spring and the stop screw being fixed on moving platen then determine B, that is, the corner a of rotating disk is determined,
Make the long arc-shaped holes on Angle pin cam alignment rotating disk after die sinking, it is ensured that matched moulds inch Angle pin cam is properly inserted the long arc-shaped holes of rotating disk
In.
Further, the moving platen is arranged on a support plate, and the support plate is corresponding by dynamic model seat
The core is provided with three pin top covers, and described three pin top cover one end is fixed by screws in push pedal, the other end and the core
Gap coordinates.The three top pin and plastic contact area of three pin top covers are big, uniform force.
Further, it is provided with spring between the support plate and the push pedal.For avoiding three pin during matched moulds
Top cover is collided with sprue bush, and spring is set between support plate and push pedal, and releasing tension force of spring after plastic makes ejecting mechanism band
Dynamic three pin top cover pre-reset.
Further, the centre position of the solid plate is provided with sprue bush, and the die cavity of the sprue bush and axle sleeve plastic connects
It is logical.
Using above-mentioned technical proposal, due to realizing many types of core radial core-pulling using Angle pin cam, rotating disk and sliding block, to similar
The plastic of many types of core radial core-pulling has many advantages, such as the need for axle sleeve so that the mould features compact structure, small volume, globality
By force, core pulling is safe and reliable, and the size requirement of plastic and surface quality are easy to ensure.
Brief description of the drawings
Fig. 1 is axle sleeve plastic sectional structure chart of the present utility model；
Fig. 2 is axle sleeve injection mold overlooking structure figure of the present utility model；
Fig. 3 be in Fig. 2 A-A to sectional structure chart；
Fig. 4 is B-B direction sectional structure chart in Fig. 2；
Fig. 5 is three pin top cover overlooking structure figure of the present utility model；
Fig. 6 is three pin top cover sectional structure chart of the present utility model；
Fig. 7 is core overlooking structure figure of the present utility model；
Fig. 8 is core sectional structure chart of the present utility model；
In figure, 1. springs；2. three pin top covers；3. dynamic model seat；4. support plate；5. moving platen；6. Angle pin cam；7. sliding pin；
8. rotating disk；9. sliding block；10. type pin；11. sprue bush；12. solid plate；13. stop screw；14. cavity plate mold insert；15. set；16. type
Core；17. push pedal；18. spring-hanging column；19. extension spring；20. spring-hanging column.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that
Explanation for these embodiments is used to help understand the utility model, but does not constitute to restriction of the present utility model.This
Outside, as long as technical characteristic involved in each embodiment of the utility model disclosed below does not constitute conflict each other
It can just be mutually combined.
As in Figure 2-4, in a kind of sleeve member injection mold many types of core diameter to core-pulling mechanism, including Angle pin cam 6, rotating disk
8 and sliding block 9, the correspondence of rotating disk 8 radial hole is along the radial direction guide groove being distributed uniformly and circumferentially and with guide groove into 45 degree
The long arc-shaped holes of angle；It is provided with the guide groove on the sliding block 9 of gap cooperation, the sliding block 9 and is provided with sliding pin 7 and type pin
10；Cavity plate mold insert 14 and the formation axle sleeve of core 16 being arranged in the cavity plate mold insert 14 between moving platen 5 and solid plate 12
The die cavity of plastic, is provided with set 15, between the set 15 and the cavity plate mold insert 14 between the cavity plate mold insert 14 and the rotating disk 8
Gap coordinates；The sliding pin 7 is inserted into affiliated long arc-shaped holes, and the type pin 10 coordinates with the gap of cavity plate mold insert 14.
Wherein, it is provided with stop screw 13 between the rotating disk 8 and the moving platen 5.Stop screw 13 has two effects：
One is the extreme position of the restriction rotation of rotating disk 8 after radial core-pulling；Two be stop screw 13 and a moving platen 5-determination rotating disk 8
Axial location.Therefore, the length dimension of the cylindrical section of stop screw 13, after need to ensureing that stop screw 13 is screwed on moving platen 5, makes
Rotating disk 8 is free to rotate, i.e., rotating disk 8 has certain interval between stop screw axial limiting face and moving platen.
Wherein, the spring-hanging column 20 on the spring-hanging column 18 and the rotating disk 8 on the moving platen 5 is connected by the correspondence of extension spring 19
Connect.
During core pulling, the driving rotating disk 8 of Angle pin cam 6 being fixed on solid plate 12 is rotated around cavity plate mold insert 14, and rotating disk 8 is relied on
Long arc-shaped holes side wall thereon slides in the guide groove of moving platen 5 with movable slider 9 to the pressure of sliding pin 7, makes the radial axle of type pin 10
Core.
The cantilever of the Angle pin cam 6 includes horizontal segment and tilting section.After the tilting section of Angle pin cam 6 departs from rotating disk 8,
Radial core-pulling terminates.Angle pin cam 6 makes rotating disk turn the angle B that 8 angle As crossed and extension spring 19 turn over rotating disk.For determination
For Angle pin cam 6, what A was to determine, extension spring 19 and the stop screw 13 being fixed on moving platen then determine B, that is, determine
The corner a of rotating disk 8, makes the long arc-shaped holes on the alignment of Angle pin cam 6 rotating disk 8 after die sinking, it is ensured that matched moulds inch Angle pin cam 6 is accurately inserted
In the long arc-shaped holes for entering rotating disk 8.
As viewed in figures 5-8, the moving platen 5 is arranged on a support plate 4, and the support plate 4 passes through installed in dynamic model seat 3
On, the correspondence core 16 is provided with three pin top covers 2, and described one end of three pin top cover 2 is fixed by screws in push pedal 17, another
End coordinates with the gap of core 16.The three top pin and plastic contact area of three pin top covers 2 are big, uniform force.
Wherein, it is provided with spring 1 between the support plate 4 and the push pedal 17.For avoiding three pin during matched moulds
Top cover 2 is collided with sprue bush 11, and spring 1 is set between support plate 4 and push pedal 17, is released the tension force of spring 1 after plastic and is made to push away
Go out mechanism and drive the pre-reset of three pin top cover 2.
Wherein, the centre position of the solid plate 12 is provided with sprue bush 11, the die cavity of the sprue bush 11 and axle sleeve plastic
Connection.
Specific work process is as follows：
Before matched moulds, the tension force of spring 1 makes the pre-reset of three pin top cover 2.During matched moulds, Angle pin cam 6 drives rotating disk 8 to revolve counterclockwise
The long arc-shaped holes side wall turned on certain angle, rotating disk 8 promotes sliding pin 7 that multiple sliding blocks 9 are resetted simultaneously.After matched moulds, solid plate
Taper wedging face on 12 is locked by multiple sliding blocks 9 simultaneously.Melt enters die cavity, the plastic parts moulding after pressurize, cooling.
During die sinking, dynamic model part is moved rearwards by, and plastic is packed tightly with shifting after dynamic model on core, is coagulated while pulling out main running channel
Material.In the presence of Angle pin cam 6, rotating disk 8 and set 15 turn clockwise certain angle around cavity plate mold insert 14, and sliding pin 7 is in rotating disk 8
In the presence of upper long arc-shaped holes, radial core-pulling when driving 12 sliding block Jiong.(the tilting section of Angle pin cam 6 after radial core-pulling terminates
Depart from rotating disk 8), extension spring 19 makes rotating disk 8 continue to revolve through a smaller angle, and stop screw 13 is spacing, and rotating disk stops operating, extension spring 19
Make rotating disk in its extreme position transfixion with stop screw 13.Dynamic model part is fallen back on behind position, and injector ejecting mechanism is pushed away
The pin top cover 2 of plate 17 and three is moved forward, and plastic is lifted off into core 16.
Embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall within protection domain of the present utility model.
Claims (6)
1. many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold, it is characterised in that：Including Angle pin cam, rotating disk and
Sliding block, the rotating disk corresponds to radial hole along the radial direction guide groove being distributed uniformly and circumferentially and the arc with guide groove in angle of 45 degrees
Shape elongated hole；It is provided with the guide groove on the sliding block of gap cooperation, the sliding block and is provided with sliding pin and type pin；Moving platen and cover half
The die cavity of cavity plate mold insert between plate and the core formation axle sleeve plastic being arranged in the cavity plate mold insert, the cavity plate mold insert with
Set is provided between the rotating disk, the set coordinates with the cavity plate mold insert gap；The sliding pin is inserted into affiliated long arc-shaped holes
Interior, the type pin coordinates with the cavity plate mold insert gap.
2. many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold according to claim 1, it is characterised in that：Institute
State and be provided with stop screw between rotating disk and the moving platen.
3. many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold according to claim 2, it is characterised in that：Institute
The spring-hanging column stated on moving platen is connected with the spring-hanging column on the rotating disk by the way that extension spring is corresponding.
4. many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold according to claim 3, it is characterised in that：Institute
Moving platen is stated on a support plate, the support plate is by the way that on dynamic model seat, the correspondence core is provided with three pin
Top cover, described three pin top cover one end is fixed by screws in push pedal, and the other end coordinates with the core gap.
5. many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold according to claim 4, it is characterised in that：Institute
State and be provided with spring between support plate and the push pedal.
6. many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold according to claim 4, it is characterised in that：Institute
The centre position for stating solid plate is provided with sprue bush, and the sprue bush is connected with the die cavity of axle sleeve plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323417.2U CN206357588U (en) | 2016-12-05 | 2016-12-05 | Many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323417.2U CN206357588U (en) | 2016-12-05 | 2016-12-05 | Many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206357588U true CN206357588U (en) | 2017-07-28 |
Family
ID=59372238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621323417.2U Expired - Fee Related CN206357588U (en) | 2016-12-05 | 2016-12-05 | Many types of core diameter is to core-pulling mechanism in a kind of sleeve member injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206357588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310114A (en) * | 2017-08-21 | 2017-11-03 | 福州大学 | A kind of achievable internal and external circumference radiates the mechanism and its application method of hole core pulling |
| CN107351329A (en) * | 2017-09-01 | 2017-11-17 | 东莞市睿奇电子科技有限公司 | A kind of multi-slide core pulling and its production technology |
-
2016
- 2016-12-05 CN CN201621323417.2U patent/CN206357588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310114A (en) * | 2017-08-21 | 2017-11-03 | 福州大学 | A kind of achievable internal and external circumference radiates the mechanism and its application method of hole core pulling |
| CN107351329A (en) * | 2017-09-01 | 2017-11-17 | 东莞市睿奇电子科技有限公司 | A kind of multi-slide core pulling and its production technology |
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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: 20170728 Termination date: 20181205 |