CN206605740U - A kind of self-locking pulled core structure - Google Patents
A kind of self-locking pulled core structure Download PDFInfo
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- CN206605740U CN206605740U CN201720155014.XU CN201720155014U CN206605740U CN 206605740 U CN206605740 U CN 206605740U CN 201720155014 U CN201720155014 U CN 201720155014U CN 206605740 U CN206605740 U CN 206605740U
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Abstract
The utility model provides self-locking pulled core structure, wherein, self-locking pulled core structure includes：Steering block, core pulling, actuating unit, baffle plate.Wherein, the lower end of steering block is provided with chute；The upper end of core pulling is provided with the sliding block with the chute shape adaptation；Actuating unit is connected with the steering block, for driving steering block to move horizontally；Baffle plate setting is located in same level in the upper end of the steering block, and with actuating unit；The lower surface of chute has the second self-locking plane being provided with the first self-locking plane, sliding block with the first self-locking plane adaptation；Wherein, after mould matched moulds, the first self-locking plane and the second self-locking plane are overlapped into a self-locking planar structure；Self-locking planar structure is used to core pulling being transferred to baffle plate to the power of the steering block.The power that core pulling is retreated effectively can be applied to self-locking planar structure by the utility model, and baffle plate is applied to by self-locking planar structure, will not be turned to by steering block and be applied to oil cylinder, so as to extend the service life of oil cylinder.
Description
Technical field
The utility model is related to injection mold technical field, is related to a kind of self-locking pulled core structure.
Background technology
For some plastic parts, due to using upper requirement, it is inevitably present inconsistent with die sinking direction
Parting, in addition to rare occasion can carry out forced stripper mechanism, is typically necessary progress undercut and core pulling, could take out system
Part.
The core pulling process of prior art, is completed when being directly by being molded after being connected with dynamic model, cover half.Most of plastics system
Part is to carry out steering core pulling by the cooperation of chute and sliding block.
But, for the specific position of some plastic parts, be can not by sliding block depanning, and during injecting glue,
Because the glue plane of core pulling is excessive, core pulling has the possibility of retrogressing, and the retrogressing of core pulling may turn to power to actuating unit, so that
Damage actuating unit.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art there is provided a kind of self-locking pulled core structure, keeps away
The power steering for exempting from core pulling retrogressing is applied to actuating unit, so as to extend the service life of actuating unit.
To achieve the above object, the utility model employs following technical scheme：
The utility model provides a kind of self-locking pulled core structure, and the self-locking pulled core structure includes：
Steering block, the lower end of the steering block is provided with chute；
Core pulling, the upper end of the core pulling is provided with the sliding block with the chute shape adaptation；
Actuating unit, the actuating unit is connected with the steering block, for driving the steering block to move horizontally；
Baffle plate, the baffle plate setting is located in same level in the upper end of the steering block, and with the actuating unit；
Wherein, the lower surface of the chute has and is provided with and first self-locking on the first self-locking plane, the sliding block
Second self-locking plane of plane adaptation；
Wherein, after mould matched moulds, the first self-locking plane and the second self-locking plane are overlapped into a self-locking planar structure；
The self-locking planar structure is used to the core pulling being transferred to the baffle plate to the power of the steering block.
Preferably, the chute is the T-shaped chute being obliquely installed；The sliding block is the T type sliding blocks being obliquely installed.
Preferably, the gradient of the T-shaped chute is b, wherein, 5 °≤b≤25 °.
Preferably, the chute is highly more than sliding block height, and the height difference of the chute and the sliding block is
D, wherein, D=Ssinb；Wherein, S is the width of the self-locking planar structure.
Preferably, the width S of the self-locking planar structure is met：5mm≤S≤15mm.
Preferably, the lower end of the T-shaped chute has first end face；Have on the sliding block and be adapted to the first end face
Second end face；Wherein, the first self-locking plane is located in the first end face；The second self-locking plane is located at described the
On biend.
Preferably, the first end face also includes the first inclined-plane；Have in the second end face suitable with first inclined-plane
The second inclined-plane matched somebody with somebody.
Preferably, the lower end of the T-shaped chute also has the 3rd end face, and the 3rd end face is located at the upper of the first end face
Side；The 4th end face being adapted to the 3rd end face is provided with the sliding block.
Preferably, the self-locking pulled core structure also includes guide groove, and the guide groove sets the outer surface for being set in the core pulling,
For being oriented to vertically moving for the core pulling.
Preferably, the actuating unit includes oil cylinder.
Using above-mentioned technical proposal, the beneficial effects of the utility model are：The self-locking pulled core structure that the utility model is provided
The self-locking of setting one and first on one first self-locking plane, the sliding block in core pulling is set by the lower surface of the chute in steering block to put down
Second self-locking plane of face adaptation.After mould matched moulds, the first self-locking plane and the second self-locking plane are overlapped into a self-locking plane
Structure；When being so arranged on injection, self-locking planar structure stress makes the inclined-plane of steering block end not stress, taken out so as to realize
The purpose that core stands fast, and core pulling is transferred to baffle plate to the power of steering block, so as to extend the service life of actuating unit.
Brief description of the drawings
The front view for the self-locking pulled core structure that Fig. 1 provides for the utility model；
The combining structure schematic diagram of oil cylinder, baffle plate and steering block that Fig. 2 provides for the utility model；
Fig. 3 is the structural representation of core pulling of the present utility model；
State diagram of the self-locking pulled core structure that Fig. 4 is provided for the utility model in die sinking；
State diagram of the self-locking pulled core structure that Fig. 5 is provided for the utility model in matched moulds；
State diagram of the self-locking pulled core structure that Fig. 6 is provided for the utility model after matched moulds.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with the accompanying drawings and implement
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of self-locking pulled core structure, wherein, the self-locking core pulling knot of the present embodiment
Structure includes steering block 1, core pulling 2, actuating unit 3 and baffle plate 4.Wherein, it is provided with chute on the lower end of steering block 1；The upper end of core pulling 2
It is provided with the sliding block with chute shape adaptation.Actuating unit 3 is connected with steering block 1, for driving steering block 1 to move horizontally.Gear
Plate 4 is arranged on the upper end of steering block 1, and in the same plane with actuating unit 3.Wherein, the lower surface of chute has first
The second self-locking plane with the first self-locking plane adaptation is provided with self-locking plane, sliding block.After mould matched moulds, the first self-locking is put down
Face and the second self-locking plane are overlapped into a self-locking planar structure 111.During injection, the stress of self-locking planar structure 111 makes steering block 1
The inclined-plane of end does not stress, on the one hand, realize the purpose that core pulling 2 stands fast；On the other hand, by power of the core pulling 2 to steering block 1
Baffle plate 4 is transferred to, so as to extend the service life of actuating unit.
It is preferred that as shown in Figure 1 to Figure 3, chute is the T-shaped chute for being inclined at the lower end of steering block 1.Correspondingly, it is sliding
Block and T-shaped sliding block.Also, the gradient of T-shaped chute is b, wherein, 5 °≤b≤25 °.
It is preferred that the height (that is, depth) of T-slot is more than the height of T-shaped sliding block, and difference in height is D, wherein, D=
Ssinb；Wherein, S is the width of the self-locking planar structure.It is preferred that 5mm≤S≤15mm, it is preferable that S is equal to 10mm.
It is preferred that as shown in Figure 1 to Figure 3, the lower end of T-shaped chute has first end face；Have on sliding block and first end face
The second end face of adaptation.Wherein, the first self-locking plane is located in first end face；Second self-locking plane is located in second end face.
It is preferred that as shown in Figure 1 to Figure 3, first end face also includes the first inclined-plane 11；Have in second end face and described the
Second inclined-plane 21 of one inclined-plane adaptation.
It is preferred that the lower end of T-shaped chute also has the 3rd end face 12, and the 3rd end face is located at the top of first end face；It is sliding
Be provided with block be adapted to the 3rd end face 12 the 4th end face 22.
It is preferred that self-locking pulled core structure also includes guide groove 5, guide groove 5 sets the outer surface for being set in core pulling 2, for taking out
Vertically moving for core 2 is oriented to.
It is preferred that above-mentioned actuating unit is oil cylinder.
The self-locking pulled core structure that the present embodiment is provided is in use, first, and state during matched moulds specifically refers to Fig. 4 to Fig. 6
Process：First, oil cylinder 3 promotes steering block 1 to move horizontally, and the first inclined-plane 11 of chute and the second inclined-plane 21 of sliding block connect
Touch, move down core pulling 2, after moving a certain distance, the first inclined-plane 11 and the second inclined-plane 21 depart from, now due to sliding block and chute
There is difference in height D, steering block 1 carries out one section of idle stroke, and steering block 1 is continued to move to, make the first self-locking plane and the second self-locking flat
Face is overlapping, forms self-locking structure, and core pulling is locked；
Second, state during die sinking specifically refers to Fig. 6 to Fig. 4 process, after the completion of injection, and oil cylinder 3 drives level to turn
Moved horizontally to block 1, due to there is difference in height D between chute and sliding block, steering block 1 carries out one section of idle stroke, i.e. steering block 1 and moved
It is dynamic and core pulling 2 is not moved, so that the first self-locking plane and the second self-locking plane depart from, with continuing to move to for guide pad 1, the 3rd
The end face 22 of end face 12 and the 4th is contacted, and due to the effect of T-shaped chute and guide groove 5, is extracted core pulling.
To sum up, the power that core pulling is retreated effectively can be applied to self-locking plane by the self-locking pulled core structure that the utility model is provided
Structure, baffle plate is applied to by self-locking planar structure, will not be turned to by steering block and is applied to oil cylinder, so as to extend making for oil cylinder
Use the life-span.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as.It should be pointed out that for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of self-locking pulled core structure, it is characterised in that the self-locking pulled core structure includes：
Steering block, the lower end of the steering block is provided with chute；
Core pulling, the upper end of the core pulling is provided with the sliding block with the chute shape adaptation；
Actuating unit, the actuating unit is connected with the steering block, for driving the steering block to move horizontally；
Baffle plate, the baffle plate setting is located in same level in the upper end of the steering block, and with the actuating unit；
Wherein, the lower surface of the chute has and is provided with and the first self-locking plane on the first self-locking plane, the sliding block
Second self-locking plane of adaptation；
Wherein, after mould matched moulds, the first self-locking plane and the second self-locking plane are overlapped into a self-locking planar structure；It is described
Self-locking planar structure is used to the core pulling being transferred to the baffle plate to the power of the steering block.
2. self-locking pulled core structure according to claim 1, it is characterised in that the chute is the T-shaped chute being obliquely installed；
The sliding block is the T-shaped sliding block being obliquely installed.
3. self-locking pulled core structure according to claim 2, it is characterised in that the gradient of the T-shaped chute is b, wherein,
5°≤b≤25°。
4. self-locking pulled core structure according to claim 3, it is characterised in that it is high that the chute is highly more than the sliding block
Degree, and the height difference of the chute and the sliding block is D, wherein, D=Ssinb；Wherein, S is the self-locking planar structure
Width.
5. self-locking pulled core structure according to claim 4, it is characterised in that the width S of the self-locking planar structure is met：
5mm≤S≤15mm。
6. self-locking pulled core structure according to claim 2, it is characterised in that the lower end of the T-shaped chute has first end
Face；There is the second end face being adapted to the first end face on the sliding block；Wherein, the first self-locking plane is located at described the
On end face；The second self-locking plane is located in the second end face.
7. self-locking pulled core structure according to claim 6, it is characterised in that the first end face also includes the first inclined-plane；
There is the second inclined-plane being adapted to first inclined-plane in the second end face.
8. self-locking pulled core structure according to claim 7, it is characterised in that the lower end of the T-shaped chute also has the 3rd
End face, and the 3rd end face is located at the top of the first end face；Be adapted to the 3rd end face is provided with the sliding block
Four end faces.
9. self-locking pulled core structure according to claim 8, it is characterised in that the self-locking pulled core structure also includes guide groove,
The guide groove sets the outer surface for being set in the core pulling, for being oriented to vertically moving for the core pulling.
10. the self-locking pulled core structure according to claim any one of 1-9, it is characterised in that the actuating unit includes oil
Cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720155014.XU CN206605740U (en) | 2017-02-21 | 2017-02-21 | A kind of self-locking pulled core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720155014.XU CN206605740U (en) | 2017-02-21 | 2017-02-21 | A kind of self-locking pulled core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206605740U true CN206605740U (en) | 2017-11-03 |
Family
ID=60168255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720155014.XU Active CN206605740U (en) | 2017-02-21 | 2017-02-21 | A kind of self-locking pulled core structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626277A (en) * | 2017-02-21 | 2017-05-10 | 太仓科益精密模塑股份有限公司 | Self-locking core pulling structure |
| CN108015990A (en) * | 2017-12-05 | 2018-05-11 | 浙江赛豪实业有限公司 | A kind of core pulling mechanism in die |
| CN108394072A (en) * | 2018-05-15 | 2018-08-14 | 珠海格力精密模具有限公司 | Core-pulling mechanism and mold manufacturing device |
-
2017
- 2017-02-21 CN CN201720155014.XU patent/CN206605740U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626277A (en) * | 2017-02-21 | 2017-05-10 | 太仓科益精密模塑股份有限公司 | Self-locking core pulling structure |
| CN108015990A (en) * | 2017-12-05 | 2018-05-11 | 浙江赛豪实业有限公司 | A kind of core pulling mechanism in die |
| CN108015990B (en) * | 2017-12-05 | 2023-12-15 | 浙江赛豪实业有限公司 | Core pulling mechanism in mold |
| CN108394072A (en) * | 2018-05-15 | 2018-08-14 | 珠海格力精密模具有限公司 | Core-pulling mechanism and mold manufacturing device |
| CN108394072B (en) * | 2018-05-15 | 2023-09-08 | 珠海格力精密模具有限公司 | Core pulling mechanism and die manufacturing device |
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