CN109910237A - Injection mold directly pushes up mobile ejecting structure - Google Patents
Injection mold directly pushes up mobile ejecting structure Download PDFInfo
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- CN109910237A CN109910237A CN201910055097.9A CN201910055097A CN109910237A CN 109910237 A CN109910237 A CN 109910237A CN 201910055097 A CN201910055097 A CN 201910055097A CN 109910237 A CN109910237 A CN 109910237A
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- mandril
- slot
- plane
- injection mold
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Abstract
The invention discloses a kind of injection molds directly to push up mobile ejecting structure, including punch-pin and mandril, the sliding slot slid vertically for mandril is provided in the punch-pin, it is provided in the sliding slot for driving mandril to move horizontally when mandril moves up so that convex block removes the first inclined-plane of through slot, the abutting part for abutting with the first inclined-plane is provided on the mandril, it is arranged in this way, after completing injection molding die sinking, formed products are driven to move up and deviate from from punch-pin by pushing mandril to move up, synchronizing behind the first inclined-plane of abutting part abutting during promotion makes mandril be moved horizontally to convex block deviates from from through slot, during completing entire demoulding, the distance that moves horizontally of mandril is shorter in this way can not be ensured that convex block can be deviate from from formed products by the blocking of flange.
Description
Technical field
The present invention relates to injection mold fields, more specifically, it relates to which a kind of injection mold directly pushes up mobile ejecting structure.
Background technique
Injection mold is a kind of tool for producing plasthetics comprising punch-pin and cavity plate are formed between punch-pin and cavity plate
Type chamber, the plastics of heated thawing are intracavitary by injection molding machine high pressure injection type, after cooling and solidifying, formed products are obtained, it is subsequent to open
Formed products are ejected by mandril from punch-pin after mould, due to the diversification of product in forming process, formed products outer cover can be encountered
It is not easy the case where ejection is detached from, is as shown in Figure 1 plastic housing, chimb is provided on inner wall, and offer and run through on chimb
Through slot, the central hole of plastic housing is provided with the flange of varus, is formed and subsequent is placed between flange and chimb for sealing ring
Placing groove, therefore the mandril needed on molding process convex mould have with through slot cooperation convex block, it is usual the fact that it is basic
Deviate from convex block so that formed products smoothly take off from through slot gradually
Out, but the presence of flange and it is shorter with a distance from chimb, be unable to satisfy oblique top moves horizontally range demands, leads to difficulty
The case where smoothly to eject, is further improved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of injection mold directly to push up mobile ejection knot
Structure has the advantages that deviate from convenient for the convex block of plastic shell from through slot.
To achieve the above object, the present invention provides the following technical scheme that
A kind of injection mold directly pushes up mobile ejecting structure, including punch-pin and mandril, is provided in the punch-pin vertical for mandril
The sliding slot of sliding is provided in the sliding slot for driving mandril to move horizontally when mandril moves up so that convex block removes through slot
First inclined-plane is provided with the abutting part for abutting with the first inclined-plane on the mandril.
Be arranged in this way, complete injection molding die sinking after, by push mandril move up drive formed products move up and from
Deviate from punch-pin, synchronizing behind the first inclined-plane of abutting part abutting during promotion makes mandril be moved horizontally to convex block from through slot
Abjection, during completing entire demoulding, the distance that such mandril moves horizontally is shorter can not be ensured by the blocking of flange it is convex
Block can be deviate from from formed products.
The present invention is further arranged: the sliding slot include connection upper slot and lower slot, the mandril include upper section and in
Section, the width of the lower slot are greater than the width in middle section, and the upper slot is adapted to upper section, and the first inclined-plane setting is in upper section in
The junction of section.
Since upper slot is adapted to the upper section of mandril, so can be stable during slide bar initially moves up holding it is vertical on
Move, until upper section from upper slot it is completely out after, due to lower slot width be greater than be greater than middle section width, so that it is guaranteed that after can be with guide rod
It is continuous to there are enough horizontal spaces to move horizontally for it.
The present invention is further arranged: middle section side setting is fluted, and the other side is provided with to abut with lower slot inner wall
Protrusion, the abutting part are the second inclined-plane that protrusion top is arranged in.
By the setting of groove so that the space that the middle section of mandril moves horizontally further increases, while other side protrusion
The width for ensuring middle section is set, so that middle section has enough structural strengths, and protrusion is connected on the inner wall of lower slot, so that
Mandril is more stable during moving up.
The present invention is further arranged: when the upper section top is in upper slot, first inclined-plane to the second inclined-plane away from
From the length for being greater than or equal to upper section.
It can ensure that only entirely can just abut with the two the second from the first inclined-plane after the abjection of upper slot in upper section in this way and drive top
Bar moves horizontally, to avoid stuck situation occur during pushing.
The present invention is further arranged: the vertical extension of the groove is greater than upper slot length, and the top sidewall of the groove is set
It is equipped with third inclined-plane.
During due to above pushing away in upper section completely after the abjection of upper slot, the side wall of upper slot needs when mandril continues to move up
Sliding, ensures that mandril further can be pushed away above, and by the setting on third inclined-plane when mandril moves down reset in this way in groove
Upper section is smoothly retracted in slot.
The present invention is further arranged: the mandril further includes the lower section fixed with middle section, under the width of the lower section is greater than
The width of slot.
Lower section can play the role of stroke limit to mandril in this way, the feelings excessively moved up during avoiding mandril from moving up
Condition, so that mandril stablizes movement in limited stroke.
The present invention is further arranged: the bottom end of the mandril is provided with guide block, and horizontal guide groove is provided on the guide block,
The bottom end of the mandril, which is fixed with, to be cooperated with guide groove and is slidably connected at the sliding block in guide groove.
By the cooperation of sliding block and guide groove, mobile guide can be played the role of by moving horizontally to mandril, so that mandril is only
It can move in the horizontal direction, so that the movement of mandril is more stable.
In conclusion the invention has the following advantages:
After completing injection molding and being opened, formed products are ejected into punch-pin by driving on mandril in-migration, until upper section all from
After upper slot removes, then mandril is driven to move horizontally by the abutting on the second inclined-plane and the first inclined-plane so that convex block on mandril can be with
Deviate from limited travel from through slot, it is ensured that formed products can be demoulded smoothly, and mandril is either moving up still level
Mobile stationarity is preferable.
Detailed description of the invention
Fig. 1 is the cross-sectional view of plastic housing；
Fig. 2 is the overall structure figure of the present embodiment；
Fig. 3 is the cross-sectional view of the present embodiment；
Fig. 4 is the enlarged drawing in Fig. 3 at A.
Appended drawing reference: 1, plastic housing；2, punch-pin；3, mandril；31, upper section；32, middle section；33, lower section；4, sliding slot；41,
Upper slot；42, lower slot；5, convex block；6, through slot；7, flange；8, the first inclined-plane；9, the second inclined-plane；10, groove；11, protrusion；12,
Three inclined-planes；13, guide block；14, guide groove；15, sliding block；18, placing groove；19, chimb.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of injection mold directly pushes up mobile ejecting structure, as shown in Figures 2 and 3, including punch-pin 2 and mandril 3 and note
Molding plastic housing 1 is moulded, which covers on punch-pin 2, and wherein mandril 3 is threaded through in punch-pin 2, is provided in punch-pin 2
For the sliding slot 4 that mandril 3 moves up and down, wherein the convex block 5 on mandril 3 is engaged by clamping in the through slot 6 of plastic housing 1, wherein sliding
Slot 4 includes interconnected upper slot 41 and lower slot 42, and the width of lower slot 42 is greater than the width of upper slot 41, and mandril 3 by up to
It include down sequentially connected upper section 31, middle section 32 and lower section 33, when plastic housing 1 is not raised, upper section 31 is located in upper slot 41
And be adapted to it, middle section 32 is located in lower slot 42, and middle section 32 deviates from direction from through slot 6 along convex block 5 and sets gradually fluted 10, separately
Side is provided with the protrusion 11 abutted with lower 42 inner wall of slot, and the first inclined-plane 8 is arranged in the junction of upper slot 41 and lower slot 42, together
When be arranged on middle section 32 and drive mandril 3 to move horizontally so that convex block 5 is supported from what through slot 6 was deviate from for abutting with the first inclined-plane 8
Socket part, abutting part are the second inclined-plane 9 that 11 top of protrusion is arranged in, and when plastic housing 1 is not jacked up, the first inclined-plane 8
It is greater than the length of upper section 31 to the distance on the second inclined-plane 9, so that it is guaranteed that upper section 31 is upper during the initially upper top of mandril 3
Stabilization moves up in slot 41, and mandril 3 is stable at this time moves along the vertical direction, until after upper section 31 is ejected upper slot 41 completely, top
Bar 3 continue on move to the first inclined-plane 8 abutted with the second inclined-plane 9 promote mandril 3 to move horizontally and promote convex block 5 from through slot 6 deviate from,
Mandril 3 deviates from convex block 5 from through slot 6 in this way, so as to meet convex block 5 in limited stroke
It is interior will not because of flange 7 blocking and the case where be difficult to, allow plastic housing 1 smoothly to complete to demould.
Due to during upper push away in upper section 31 completely after the abjection of upper slot 41, upper slot 41 when mandril 3 continues to move up
Side wall needs slide in groove 10, and in order to ensure mandril 3 further can be pushed away above, therefore it is big that groove 10 is arranged to vertical extension
In the vertical extension of upper slot 41, and third inclined-plane 12 is provided in the top sidewall of groove 10, by setting for third inclined-plane 12
It sets and retracts upper section 31 smoothly in upper slot 41.
The width of its middle and lower sections 33 is greater than the width of lower slot 42, and such lower section 33 can play stroke limit to mandril 3
Effect, the case where excessively being moved up during avoiding mandril 3 from moving up, so that mandril 3 stablizes movement in limited stroke；And
It is fixed with sliding block 15 in the bottom end of lower section 33, while being fixed with guide block 13 on mold, is provided on guide block 13 for 15 water of sliding block
Smoothly dynamic guide groove 14, move mandril 3 can only in the horizontal direction, the movement of mandril 3 is more
Add stabilization.
Detailed process: after completing die sinking by injection molding first, then driving mandril 3 to move up, and mandril 3 is by plastic housing
After top separates it with punch-pin 2 on 1, mandril 3 continues to move up, and for upper section 31 completely after the removal of upper slot 41, mandril 3 persistently moves up the
One inclined-plane 8 abuts realization while constantly mandril 3 being moved up with the second inclined-plane 9 and moves horizontally, and promotes convex block 5 until from through slot
Stripping operation can be completed in 6 removals, after removing plastic housing 1, drives mandril 3 to move down and sets back, mandril 3 is on third inclined-plane 12
Under the action of move horizontally smoothly retract sliding slot 4 in complete reset, so circulation can constantly complete plastic housing 1 it is smooth take off
Mould.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. a kind of injection mold directly pushes up mobile ejecting structure, including punch-pin (2) and mandril (3), it is characterized in that: the punch-pin
(2) it is provided with the sliding slot (4) slid vertically for mandril (3) in, is provided in the sliding slot (4) for when mandril (3) moves up
It drives mandril (3) to move horizontally so that convex block (5) removes first inclined-plane (8) of through slot (6), is arranged on the mandril (3) useful
In the abutting part abutted with the first inclined-plane (8).
2. injection mold according to claim 1 directly pushes up mobile ejecting structure, it is characterized in that: the sliding slot (4) includes connecting
Logical upper slot (41) and lower slot (42), the mandril (3) include upper section (31) and middle section (32), the width of the lower slot (42)
Greater than the width of middle section (32), the upper slot (41) is adapted to upper section (31), first inclined-plane (8) setting in upper section (31) and
The junction in middle section (32).
3. injection mold according to claim 2 directly pushes up mobile ejecting structure, it is characterized in that: the middle section (32) side is set
It is equipped with groove (10), the other side is provided with the protrusion (11) abutted with lower slot (42) inner wall, and the abutting part is to be arranged in protrusion
(11) second inclined-plane (9) on top.
4. injection mold according to claim 3 directly pushes up mobile ejecting structure, it is characterized in that: the upper section (31) top end
When upper slot (41) is interior, the distance of first inclined-plane (8) to the second inclined-plane (9) is greater than or equal to the length of upper section (31).
5. injection mold according to claim 3 directly pushes up mobile ejecting structure, it is characterized in that: the groove (10) is vertical
Length is greater than upper slot (41) length, and the top sidewall of the groove (10) is provided with third inclined-plane (12).
6. injection mold according to claim 3 directly pushes up mobile ejecting structure, it is characterized in that: the mandril (3) further includes
The fixed lower section (33) with middle section (32), the width of the lower section (33) are greater than the width of lower slot (42).
7. injection mold according to claim 1 directly pushes up mobile ejecting structure, it is characterized in that: the bottom end of the mandril (3)
It is provided with guide block (13), is provided with horizontal guide groove (14) on the guide block (13), the bottom end of the mandril (3) is fixed with and leads
The sliding block (15) that slot (14) cooperates and is slidably connected in guide groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055097.9A CN109910237A (en) | 2019-01-21 | 2019-01-21 | Injection mold directly pushes up mobile ejecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055097.9A CN109910237A (en) | 2019-01-21 | 2019-01-21 | Injection mold directly pushes up mobile ejecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109910237A true CN109910237A (en) | 2019-06-21 |
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ID=66960564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910055097.9A Pending CN109910237A (en) | 2019-01-21 | 2019-01-21 | Injection mold directly pushes up mobile ejecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109910237A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192502A (en) * | 2013-03-14 | 2013-07-10 | 宁波方正汽车模具有限公司 | Straight-ejector-rod inclined core pulling device with small occupied mold space |
| CN103802246A (en) * | 2012-11-09 | 2014-05-21 | 汉达精密电子(昆山)有限公司 | Clamp hook release mechanism for flat thimbles |
-
2019
- 2019-01-21 CN CN201910055097.9A patent/CN109910237A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802246A (en) * | 2012-11-09 | 2014-05-21 | 汉达精密电子(昆山)有限公司 | Clamp hook release mechanism for flat thimbles |
| CN103192502A (en) * | 2013-03-14 | 2013-07-10 | 宁波方正汽车模具有限公司 | Straight-ejector-rod inclined core pulling device with small occupied mold space |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |