CN208867497U - A kind of major diameter dovetail core mechanism - Google Patents
A kind of major diameter dovetail core mechanism Download PDFInfo
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- CN208867497U CN208867497U CN201821458212.4U CN201821458212U CN208867497U CN 208867497 U CN208867497 U CN 208867497U CN 201821458212 U CN201821458212 U CN 201821458212U CN 208867497 U CN208867497 U CN 208867497U
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- mold insert
- dovetail
- core mold
- plate
- core
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Abstract
The utility model discloses a kind of major diameter dovetail core mechanisms, including upper mounted plate, the lower end of upper mounted plate has been bolted to connection hot runner manifold, the lower end of the hot runner manifold has been bolted to connection front template, limiting slot is provided on the left of the front template, front cavity is fixedly connected in the middle part of the front template, the internal activity of the limiting slot is plugged with limited post, the left side for being plugged on push plate is run through at the middle part of the limited post, the lower end of the limited post is fixedly connected on the left of the upper end of rear pattern plate, pushing sleeve is fixedly connected in the middle part of the push plate, the inner sidewall of the pushing sleeve is connected with little swallow tail core mold insert and big dovetail core mold insert, the little swallow tail core mold insert and big dovetail core mold insert are connected by dovetail groove with dovetail center mold insert.The major diameter dovetail core mechanism reduces Mold Making cost by equipment overall structure, while improving mould structure stability, improves the shaping speed of mold.
Description
Technical field
The utility model relates to technical field of mold, specially a kind of major diameter dovetail core mechanism.
Background technique
Dovetail is usually selected in the case where determination cannot take off by force molding situation for the product of a circle back-off on the inside of rear mold side
The mode of core forms back-off, but the dovetail core of standard, and back-off position diameter maximum can only accomplish 60mm, very there is limitation.
Product back-off position diameter has reached 100mm, far beyond the size range of standard dovetail core, so traditional design method
Usually by the way of the bilayer inner slide of rear mold side, structure is complicated, processing and maintenance cost all substantial increases, therefore we
Propose a kind of major diameter dovetail core mechanism.
Utility model content
The purpose of this utility model is to provide a kind of major diameter dovetail core mechanisms, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of major diameter dovetail core mechanism, including upper
Fixed plate, the lower end of upper mounted plate have been bolted to connection hot runner manifold, and the lower end of the hot runner manifold is solid by bolt
Surely it is connected with front template, limiting slot is provided on the left of the front template, front cavity, institute are fixedly connected in the middle part of the front template
The internal activity for stating limiting slot is plugged with limited post, and the left side for being plugged on push plate, the limit are run through in the middle part of the limited post
The lower end of column is fixedly connected on the left of the upper end of rear pattern plate, is fixedly connected with pushing sleeve in the middle part of the push plate, the pushing sleeve it is interior
Side wall is connected with little swallow tail core mold insert and big dovetail core mold insert, and the little swallow tail core mold insert and big dovetail core mold insert pass through swallow
Stern notch is connected with dovetail center mold insert, the lower part that the little swallow tail core mold insert and big dovetail core mold insert are connected with dovetail center mold insert
Movable sleeve is connected to apical ring, intermediate ring and base ring, and the apical ring, intermediate ring and base ring are bolted to connection, the apical ring,
The lateral wall of intermediate ring and base ring is fixedly connected in the link slot in the middle part of push plate, and the lower end of dovetail center mold insert passes through spiral shell
Bolt is fixedly connected on the upper end of rear pattern plate, and the lower end of the rear pattern plate has been bolted to connection bottom plate, described lower solid
The middle part of fixed board is fixedly connected with lower ejector retainner plate by support column, and the upper end of the lower ejector retainner plate is fixedly connected with ejector retainner plate.
Preferably, the little swallow tail core mold insert and big dovetail core mold insert are equipped with 3, the little swallow tail core mold insert and great Yan
Circular array is arranged on the outside of dovetail center mold insert tail core mold insert respectively, the little swallow tail core mold insert and big dovetail core mold insert it
Between be staggered, the little swallow tail core mold insert and big dovetail core mold insert and the side wall that dovetail center mold insert fits are smooth.
Preferably, the lateral wall of dovetail center mold insert is provided with 6 dovetail grooves, the dovetail groove circular array arrangement
On the lateral wall of dovetail center mold insert, the inner sidewall of the dovetail groove and the lateral wall of dovetail center mold insert are smooth.
Preferably, the intracavity sidewall of the pushing sleeve is smooth.
Preferably, the lower ejector retainner plate and upper ejector retainner plate are respectively positioned in the middle part link slot of rear pattern plate.
Compared with prior art, the utility model has the beneficial effects that the major diameter dovetail core mechanism, passes through the whole of equipment
Body structure, the structure of equipment are simply easily implemented, and compensate for the insufficient defect of standard component application range, can perfectly substitute tradition
The de- back-off of two-layer slide-block mode, the cost of Mold Making greatly reduces.And relative to traditional design mode, this mold
The device space is small, is greatly reduced the size of mold, it is easier to realize the die sinking scheme in more caves, provide more choosings for volume production
It selects.It is verified through volume production, this die apparatus stable structure, and mould structure is simple, die sinking movement is few, so relative to tradition
Frame mode, molding cycle can save 5s or so, improve the shaping speed of mold.
Detailed description of the invention
Fig. 1 is the utility model section view;
Fig. 2 is the utility model details enlarged drawing;
Fig. 3 is the utility model dovetail core explosive view;
Fig. 4 is that the utility model little swallow tail core mold insert, dovetail center mold insert with big dovetail core mold insert connect top view.
In figure: 1 front cavity, 2 pushing sleeves, 3 little swallow tail core mold inserts, 4 dovetail center mold inserts, 5 big dovetail core mold inserts, 6 apical rings, 7
Intermediate ring, 8 base rings, 9 upper mounted plates, 10 hot runner manifolds, 11 front templates, 12 limited posts, 13 push plates, 14 rear pattern plates, 15 lower fixations
Plate, 16 lower ejector retainner plates, ejector retainner plate on 17.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of major diameter dovetail core mechanism, including it is upper solid
Fixed board 9, the lower end of upper mounted plate 9 have been bolted to connection hot runner manifold 10, and the lower end of the hot runner manifold 10 passes through spiral shell
Bolt is fixedly connected with front template 11, and the left side of the front template 11 is provided with limiting slot, and the middle part of the front template 11 is fixedly connected
There is front cavity 1, the internal activity of the limiting slot is plugged with limited post 12, and the middle part of the limited post 12, which is run through, is plugged on push plate
13 left side, the lower end of the limited post 12 are fixedly connected on the left of the upper end of rear pattern plate 14, and the middle part of the push plate 13 is fixed
It is connected with pushing sleeve 2, for pushing sleeve 2 for ejecting product, the intracavity sidewall of the pushing sleeve 2 is smooth.The inner sidewall activity of the pushing sleeve 2 connects
It is connected to little swallow tail core mold insert 3 and big dovetail core mold insert 5, little swallow tail core mold insert 3 and big dovetail core mold insert 5 fall to form inner ring
Button, dovetail center mold insert 4 are detached from back-off to drive little swallow tail core mold insert 3 and big dovetail core mold insert 5 to inside contract.The little swallow tail
Core mold insert 3 and big dovetail core mold insert 5 are connected by dovetail groove with dovetail center mold insert 4, the lateral wall of dovetail center mold insert 4
6 dovetail grooves are provided with, the dovetail groove circular array is arranged on the lateral wall of dovetail center mold insert 4, the dovetail groove
The lateral wall of inner sidewall and dovetail center mold insert 4 is smooth, in the little swallow tail core mold insert 3 and big dovetail core mold insert 5 and dovetail
The connected lower removable of heart mold insert 4 is socketed with apical ring 6, intermediate ring 7 and base ring 8, the little swallow tail core mold insert 3 and big dovetail core edge
Part 5 is equipped with 3, and circular array is arranged in dovetail center mold insert respectively for the little swallow tail core mold insert 3 and big dovetail core mold insert 5
4 outsides are staggered between the little swallow tail core mold insert 3 and big dovetail core mold insert 5, the little swallow tail core mold insert 3 and big dovetail
Core mold insert 5 and the side wall that dovetail center mold insert 4 fits are smooth.The apical ring 6, intermediate ring 7 and base ring 8 are bolted
Connection, apical ring 6, intermediate ring 7 and base ring 8 in order to fix little swallow tail core mold insert 3 and big dovetail core mold insert 5, the apical ring 6, in
Between the lateral wall of ring 7 and base ring 8 be fixedly connected in the link slot at the middle part of push plate 13, the lower end of dovetail center mold insert 4 is logical
The upper end that bolt is fixedly connected on rear pattern plate 14 is crossed, the lower end of the rear pattern plate 14 has been bolted to connection bottom plate
15, the middle part of the bottom plate 15 is fixedly connected with lower ejector retainner plate 16 by support column, and the upper end of the lower ejector retainner plate 16 is solid
Surely it is connected with ejector retainner plate 17, the lower ejector retainner plate 16 and upper ejector retainner plate 17 are respectively positioned in the middle part link slot of rear pattern plate 14.
Working principle: major diameter dovetail core mechanism at work, first upper mounted plate 1 and bottom plate 15 and molding machine
Be fixedly connected, when molding machine drives push plate 13 to float, be fixed on dovetail center mold insert 4 on rear pattern plate 14 with it is small in push plate 13
Dovetail core mold insert 3 and big dovetail core mold insert 5 produce relative motion, at the same time, under the action of dovetail groove, little swallow tail core edge
Part 3 and big dovetail core mold insert 5 are slided to center of circle direction, so that product formation back-off is detached from, so that overhead kick occurs in the lower part of product
Shape.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of major diameter dovetail core mechanism, including upper mounted plate (9), it is characterised in that: the lower end of upper mounted plate (9) passes through spiral shell
Bolt is fixedly connected with hot runner manifold (10), and the lower end of the hot runner manifold (10) has been bolted to connection front template (11),
It is provided with limiting slot on the left of the front template (11), is fixedly connected with front cavity (1), the limit in the middle part of the front template (11)
The internal activity of position slot is plugged with limited post (12), and the left side for being plugged on push plate (13) is run through at the middle part of the limited post (12),
The lower end of the limited post (12) is fixedly connected on the left of the upper end of rear pattern plate (14), is fixedly connected in the middle part of the push plate (13)
Have pushing sleeve (2), the inner sidewall of the pushing sleeve (2) is connected with little swallow tail core mold insert (3) and big dovetail core mold insert (5), described
Little swallow tail core mold insert (3) and big dovetail core mold insert (5) are connected by dovetail groove with dovetail center mold insert (4), the little swallow tail core
The lower removable that mold insert (3) and big dovetail core mold insert (5) are connected with dovetail center mold insert (4) is socketed with apical ring (6), intermediate ring
(7) with base ring (8), the apical ring (6), intermediate ring (7) and base ring (8) be bolted to connection, the apical ring (6), in
Between the lateral wall of ring (7) and base ring (8) be fixedly connected in the link slot in the middle part of push plate (13), dovetail center mold insert (4)
Lower end be bolted to connection in the upper end of rear pattern plate (14), the lower end of the rear pattern plate (14) is bolted to connection
Have bottom plate (15), the middle part of the bottom plate (15) is fixedly connected with lower ejector retainner plate (16) by support column, under described
The upper end of ejector retainner plate (16) is fixedly connected with ejector retainner plate (17).
2. a kind of major diameter dovetail core mechanism according to claim 1, it is characterised in that: the little swallow tail core mold insert (3)
3 are equipped with big dovetail core mold insert (5), the little swallow tail core mold insert (3) and big dovetail core mold insert (5) distinguish circular array
It is arranged on the outside of dovetail center mold insert (4), is staggered between the little swallow tail core mold insert (3) and big dovetail core mold insert (5), institute
It is smooth to state the side wall that little swallow tail core mold insert (3) and big dovetail core mold insert (5) and dovetail center mold insert (4) fit.
3. a kind of major diameter dovetail core mechanism according to claim 1, it is characterised in that: dovetail center mold insert (4)
Lateral wall be provided with 6 dovetail grooves, the dovetail groove circular array is arranged on the lateral wall of dovetail center mold insert (4), institute
The lateral wall of the inner sidewall and dovetail center mold insert (4) of stating dovetail groove is smooth.
4. a kind of major diameter dovetail core mechanism according to claim 1, it is characterised in that: the lumen side of the pushing sleeve (2)
Wall is smooth.
5. a kind of major diameter dovetail core mechanism according to claim 1, it is characterised in that: the lower ejector retainner plate (16) and upper
Ejector retainner plate (17) is respectively positioned in the middle part link slot of rear pattern plate (14).
Priority Applications (1)
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CN201821458212.4U CN208867497U (en) | 2018-09-06 | 2018-09-06 | A kind of major diameter dovetail core mechanism |
Applications Claiming Priority (1)
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CN201821458212.4U CN208867497U (en) | 2018-09-06 | 2018-09-06 | A kind of major diameter dovetail core mechanism |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109049567A (en) * | 2018-09-06 | 2018-12-21 | 上海崇晟精密模塑有限公司 | A kind of major diameter dovetail core mechanism |
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2018
- 2018-09-06 CN CN201821458212.4U patent/CN208867497U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109049567A (en) * | 2018-09-06 | 2018-12-21 | 上海崇晟精密模塑有限公司 | A kind of major diameter dovetail core mechanism |
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