CN209440719U - Mold Core-pulling Mechanism - Google Patents
Mold Core-pulling Mechanism Download PDFInfo
- Publication number
- CN209440719U CN209440719U CN201822233941.6U CN201822233941U CN209440719U CN 209440719 U CN209440719 U CN 209440719U CN 201822233941 U CN201822233941 U CN 201822233941U CN 209440719 U CN209440719 U CN 209440719U
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- hydraulic cylinder
- plane
- step portion
- contact surface
- slot
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- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000010586 diagram Methods 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model relates to a kind of Mold Core-pulling Mechanisms comprising: hydraulic cylinder；Support machine, one end are fixedly connected with the telescopic rod of hydraulic cylinder, and other end is the first inclined-plane, and the first inclined-plane is equipped with the T-slot for being parallel to the first inclined-plane inclined direction, and the bottom surface of T-slot is equipped with stair-stepping first step portion；Sliding block, one end face is injection pressure face, other end is the second inclined-plane for being parallel to the first inclined-plane, second inclined-plane is equipped with T-type boss of the sliding in T-slot, the recess portion of T-type boss is a flat surface close to the side of support machine, recess portion matches close to the part of hydraulic cylinder and the protrusion of T-slot, the width of recess portion another part is greater than the width of protrusion, the top surface of T-type boss is equipped with the second step portion to match with first step portion, second step portion is tilted along the direction of second step portion top surface to bottom surface to hydraulic cylinder axis to the first contact surface of first step portion transmitting injection pressure, first contact surface and the angle of hydraulic cylinder axis are less than 5 degree.
Description
Technical field
The utility model relates to die apparatus technical fields, more particularly to a kind of Mold Core-pulling Mechanism.
Background technique
When miscellaneous thick glue bloom light guide plate class product is onlapped in preparation, it usually needs sliding using the bigger preceding mould of glue plane product
Block.In mold-closing injection, the injection pressure that front mold slide is born is very big, and applicant can retreat in view of sliding block in injection molding,
So the scheme for preventing front mold slide from retreating applicant proposed three kinds: 1, being carried out using mode structure after bullet mechanical locked；2, it adopts
It is carried out with mode structure before bullet mechanical locked；3, directly locked using oil cylinder.
For the first scheme, referring to Figure 1, Fig. 1 is the structural schematic diagram for playing rear mold, when being opened, diving board 1 and preceding mould
Sliding block 2 first reaches position, and A plate 3 and B plate 4 is opened again.Although the structure for playing rear mold may insure that front mold slide 2 will not in injection molding
It retreats, but one piece of diving board 1 must be increased by playing rear mold, increase mould thickness, mold difficulty, die manufacturing cost etc..
For second scheme, Fig. 2 is referred to, Fig. 2 is the structural schematic diagram of mould before bullet.Although the structure of mould can also before bullet
To ensure that front mold slide will not be retreated in injection molding, but mould is also required to increase by one piece of diving board 1 before bullet, increases mould thickness, mold
Difficulty, die manufacturing cost etc..In addition, after diving board movement is unstable or preceding mould flicks, the hot flow path system of board big gun mouth 5 and mold
System 6 is separation, and the main mouth of hot flow path has the risk of hiding cold glue and gummosis, onlaps miscellaneous thick glue bloom light guide plate class product for production
For, this risk does not allow.
For the third scheme, compared with above-mentioned two scheme, the program adds one piece of diving board less, simplifies mould structure, and
Mold size is also relatively small, and assembly and disassembly and daily maintenance are also relatively simple, and die cost also can be much lower.
By above-mentioned analysis, the third scheme of applicant's final choice carries out the design of front mold slide, but oil cylinder is being infused
It can retract under blow pressure effect, so being that will not retreat this problem, Shen for how to ensure oil cylinder and front mold slide in injection molding
Ask someone to propose a kind of Mold Core-pulling Mechanism to solve the technical problem.
Utility model content
Based on this, the purpose of the utility model is to provide a kind of Mold Core-pulling Mechanisms, and having ensures oil cylinder and preceding mould
Sliding block is the advantages of injection molding, which is, to be retreated.
A kind of Mold Core-pulling Mechanism includes:
Hydraulic cylinder；
Support machine, one end are fixedly connected with the telescopic rod of hydraulic cylinder, and the end face of the other end is the first inclined-plane, are set on the first inclined-plane
It is parallel to the T-slot of the first inclined-plane inclined direction, the bottom surface of T-slot is equipped with stair-stepping first step portion；
Sliding block, an end face are injection pressure face, and other end is the second inclined-plane for being parallel to the first inclined-plane, on the second inclined-plane
T-type boss equipped with sliding in T-slot, the recess portion of T-type boss are a flat surface close to the side of support machine, and recess portion is close to hydraulic cylinder
Part and the protrusion of T-slot match, the width of recess portion another part is greater than the width of protrusion, the top surface of T-type boss be equipped with
The second step portion that first step portion matches, second step portion transmit the first contact surface edge of injection pressure to first step portion
The top surface in second step portion tilted to the direction of bottom surface to the axis of hydraulic cylinder, the folder of the axis of the first contact surface and hydraulic cylinder
Angle is less than 5 degree.
Compared with the existing technology, first step portion is arranged in T-slot, second the utility model Mold Core-pulling Mechanism
Rank portion is arranged on T-type boss, efficiently reduces the width of support machine, the width of sliding block, reduces manufacturing cost.Then, by second
Stage portion to first step portion transmitting injection pressure the first contact surface and die sinking direction angle be designed to less than 5 degree, angle
Angle is smaller, and the self-locking of sliding block not only may be implemented in the core pulling direction near normal of type chamber injection pressure and hydraulic cylinder, effectively anti-
Limited slip block retreats, and helps avoid the telescopic rod stress of hydraulic cylinder and retract.Also, the angle is designed to less than 5 degree,
It can also play the role of anti-friction burning, be conducive to the service life for improving mold.Finally, in first step portion and second step portion
Between be provided with the first contact surfaces of multiple transmitting injection pressures, stress equalization helps further to reduce stretching for hydraulic cylinder
The risk that contracting bar retreats.
In addition, the utility model Mold Core-pulling Mechanism also carries out special design, the top of recess portion to the recess portion of T-type boss
Point width and T-slot protrusion it is of same size or close, the width of the lower part of recess portion is greater than the width of protrusion.It is being opened
When, since protrusion has certain stroke spacing in the lower part of recess portion, so protrusion is in first step portion and second step part
Recess portion is mutually butted on again from after close to the side of support machine and then extracts sliding block out, sliding block is separated with support machine effectively, is avoided interference with.?
When molding, since the top split-phase of protrusion and recess portion is matched, so protrusion is directly mutually butted on recess portion close to the side of sliding block and then pushes away
Enter sliding block, efficiently reduces the thickness of the stroke of hydraulic cylinder, the thickness for supportting machine, sliding block, reduce cost.
Further, second step portion transmits the shifting of the contact surface and hydraulic cylinder extension bar of injection pressure to first step portion
The angle in dynamic direction is 2 degree.
By adopting the above technical scheme, the effect for helping to improve anti-friction burning is conducive to the use for further improving mold
Service life.
Further, angle of the recess portion close to the side of support machine and the axis of hydraulic cylinder is 30 degree.
By adopting the above technical scheme, by the way of " small angle stress, big angle extraction core ", make up that 2 ° of angle of wedge strokes are big to be lacked
Point facilitates the length for reducing the thickness of mold, hot flow path.
Further, recess portion close to sliding block medial surface be equipped with to protrusion transmitting injection pressure the second contact surface, second
Contact surface is parallel to the first contact surface.
By adopting the above technical scheme, it makes full use of sliding block and supports the contact surface of machine, support machine stress balance can also be made, helped
In the risk that the telescopic rod for further reducing hydraulic cylinder retreats.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for playing rear mold；
Fig. 2 is the structural schematic diagram of mould before bullet；
Fig. 3 is the structural schematic diagram of the utility model Mold Core-pulling Mechanism；
Fig. 4 is the status diagram of slider locking；
Fig. 5 is the state cross-sectional view of slider locking；
Fig. 6 is hydraulic cylinder loosing core but the status diagram for not extracting sliding block out；
Fig. 7 is hydraulic cylinder loosing core and the status diagram for extracting sliding block out；
1, diving board；2, front mold slide；3, A plate；4, B plate；5, board big gun mouth；6, hot runner system；
100, hydraulic cylinder；200, machine is supportted；210, the first inclined-plane；220, T-slot；221, protrusion；222, the 4th contact surface；
230, first step portion；231, third contact surface；300, sliding block；310, injection pressure face；320, the second inclined-plane；330, T-type is convex
Platform；331, recess portion；332, the second contact surface；340, second step portion；341, the first contact surface.
Specific embodiment
A kind of Mold Core-pulling Mechanism, referring to Fig. 1 to Fig. 7, including hydraulic cylinder 100, support machine 200, sliding block 300.Wherein, hydraulic
For cylinder 100 for driving support machine 200 to move up and down, 200 phase of support machine is butted on sliding block 300 with locking sliding block 300.
Referring to Fig. 1 to Fig. 7, one end of support machine 200 is fixedly connected with the telescopic rod of hydraulic cylinder 100, supports the other end of machine 200
End face be the first inclined-plane 210.T-slot 220, the inclination side of T-slot 220 and the first inclined-plane 210 are equipped on the first inclined-plane 210
To parallel.It is equipped with stair-stepping first step portion 230 in the bottom surface of T-slot 220,230 phase of first step portion is butted on sliding block 300,
The contact surface that first step portion 230 is used to bear 300 injection pressure of sliding block is third contact surface 231.Along first step portion 230
Bottom surface to first step portion 230 top surface direction, the third contact surface 231 to the axis of hydraulic cylinder 100 tilt, the third
The angle of the axis of contact surface 231 and hydraulic cylinder 100 is less than 5 degree.In the present embodiment, third contact surface 231 and hydraulic cylinder 100
The angle of axis be 2 degree.
Referring to Fig. 1 to Fig. 7, an end face of sliding block 300 is injection pressure face 310, is used to bear the injection pressure of type chamber,
The other end of sliding block 300 is the second inclined-plane 320, and the second inclined-plane 320 is parallel to the first inclined-plane 210.It is set on the second inclined-plane 320
There is T-type boss 330, T-type boss 330 is parallel with the inclined direction on the second inclined-plane 320, and T-type boss 330 is slidably arranged in T-type
In slot 220.The top surface of T-type boss 330 is equipped with second step portion 340, and second step portion 340 is matched with first step portion 230,
It is the first contact surface 341 that second step portion 340, which is used to apply the contact surface of injection pressure to first step portion 230, this first connects
341 phase of contacting surface is butted on third contact surface 231.Along second step portion 340 top surface to second step portion 340 bottom surface side
To first contact surface 341 is tilted to the axis of hydraulic cylinder 100, the folder of the axis of first contact surface 341 and hydraulic cylinder 100
Angle is less than 5 degree.In the present embodiment, the angle of the first contact surface 341 and the axis of hydraulic cylinder 100 is 2 degree.
Specifically, the recess portion 331 of T-type boss 330 is a flat surface close to the side of support machine 200, and in the present embodiment, this is flat
The angle of the axis of face and hydraulic cylinder 100 is 30 degree.Recess portion 331 is close to the part of hydraulic cylinder 100 and the protrusion 221 of T-slot 220
Match, specifically, the width of the recess portion 331 of the part is of same size or close with protrusion 221；Another part of recess portion 331
Width be greater than protrusion 221 width, so that protrusion 221 is had certain stroke distances in the recess portion 331 of the part.In addition, recessed
Portion 331 is equipped with the second contact surface 332 close to the medial surface of sliding block 300, and 332 phase of the second contact surface is butted on protrusion 221 with to protrusion
221 transmitting injection pressures, wherein the contact surface being affixed on protrusion 221 with the second contact surface 332 be the 4th contact surface 222, second
Contact surface 332 is parallel with the first contact surface 341.
The course of work:
When molding, in conjunction with Fig. 4 to Fig. 7, the telescopic rod driving support machine 200 of hydraulic cylinder 100 is moved down, and supports the convex of machine 200
Portion 221 is moved down in the narrower part of the recess portion 331 of T-type boss 330, and side of the protrusion 221 far from support machine 200 is mutually butted on recessed
Side of the portion 331 far from support machine 200, support machine 200 push sliding block 300 mobile to type cavity direction, until the third contact of support machine 200
First contact surface 341 of face 231 and sliding block 300 is affixed, the second contact surface of the 4th contact surface 222 and sliding block 300 of support machine 200
332 are affixed.When sliding block 300 is by injection pressure, 231 phase of third contact surface of support machine 200 is butted on the first contact of sliding block 300
Face 341,222 phase of the 4th contact surface of support machine 200 are butted on the second contact surface 332 of sliding block 300, and the direction approximation of injection pressure is hung down
Directly with the telescopic rod of hydraulic cylinder 100, thus locking sliding block 300 to prevent limited slip block 300 retrogressing.
When die sinking, in conjunction with Fig. 4 to Fig. 7, the telescopic rod driving support machine 200 of hydraulic cylinder 100 is moved up, firstly, T-slot
220 protrusion 221 is moved up in the wider portion of the recess portion 331 of T-type boss 330；Then, when protrusion 221 is close to support machine 200
Side when being mutually affixed on side of the recess portion 331 close to support machine 200, the first contact surface 341 is separated with third contact surface 231, second
Contact surface 332 is separated with the 4th contact surface 222；Finally, hydraulic cylinder 100 continues that support machine 200 is driven to move up, 221 edge of protrusion
Recess portion 331 moved up close to the side of support machine 200, while sliding block 300 being pulled out.
Compared with the existing technology, the utility model Mold Core-pulling Mechanism may insure that oil cylinder and front mold slide in injection molding are not
It can retreat, and smaller using the thickness of the mold of the mechanism, manufacturing cost is lower.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (4)
1. a kind of Mold Core-pulling Mechanism, which is characterized in that
The Mold Core-pulling Mechanism includes:
Hydraulic cylinder (100)；
Support machine (200), one end are fixedly connected with the telescopic rod of hydraulic cylinder (100), and the end face of the other end is the first inclined-plane (210),
First inclined-plane (210) is equipped with the T-slot (220) for being parallel to the first inclined-plane (210) inclined direction, the T-slot (220)
Bottom surface be equipped with stair-stepping first step portion (230)；
Sliding block (300), an end face are injection pressure face (310), and other end is the second inclined-plane for being parallel to the first inclined-plane (210)
(320), second inclined-plane (320) is equipped with T-type boss (330) of the sliding in T-slot (220), the T-type boss
(330) recess portion (331) is a flat surface close to the side of support machine (200), portion of the recess portion (331) close to hydraulic cylinder (100)
Dividing and matches with the protrusion (221) of T-slot (220), the width of described recess portion (331) another part is greater than the width of protrusion (221),
The top surface of the T-type boss (330) is equipped with the second step portion (340) that matches with first step portion (230), and described second
The first contact surface (341) of injection pressure is transmitted along second step portion (340) to first step portion (230) in rank portion (340)
Top surface is tilted to the direction of bottom surface to the axis of hydraulic cylinder (100), the axis of first contact surface (341) and hydraulic cylinder (100)
The angle of line is less than 5 degree.
2. Mold Core-pulling Mechanism according to claim 1, it is characterised in that: the second step portion (340) is to First
It is 2 degree that rank portion (230), which transmits the contact surface of injection pressure and the angle of the moving direction of hydraulic cylinder (100) telescopic rod,.
3. Mold Core-pulling Mechanism according to claim 2, it is characterised in that: the recess portion (331) is close to support machine (200)
The angle of the axis of side and hydraulic cylinder (100) is 30 degree.
4. Mold Core-pulling Mechanism according to claim 1, it is characterised in that: the recess portion (331) is close to sliding block (300)
Medial surface is equipped with the second contact surface (332) to protrusion (221) transmitting injection pressure, and second contact surface (332) is parallel to
First contact surface (341).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233941.6U CN209440719U (en) | 2018-12-28 | 2018-12-28 | Mold Core-pulling Mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233941.6U CN209440719U (en) | 2018-12-28 | 2018-12-28 | Mold Core-pulling Mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209440719U true CN209440719U (en) | 2019-09-27 |
Family
ID=68016071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822233941.6U Active CN209440719U (en) | 2018-12-28 | 2018-12-28 | Mold Core-pulling Mechanism |
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| Country | Link |
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| CN (1) | CN209440719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306052A (en) * | 2020-02-27 | 2021-08-27 | 苏州汉扬精密电子有限公司 | Female die barb withdrawing structure |
-
2018
- 2018-12-28 CN CN201822233941.6U patent/CN209440719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306052A (en) * | 2020-02-27 | 2021-08-27 | 苏州汉扬精密电子有限公司 | Female die barb withdrawing structure |
| CN113306052B (en) * | 2020-02-27 | 2022-11-18 | 苏州汉扬精密电子有限公司 | Female die barb withdrawing structure |
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