CN208867497U - A kind of major diameter dovetail core mechanism - Google Patents

A kind of major diameter dovetail core mechanism Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
mold insert
dovetail
core mold
plate
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821458212.4U
Other languages
Chinese (zh)
Inventor
刘虓
汪艳勤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Chongsheng Precision Molding Co Ltd
Original Assignee
Shanghai Chongsheng Precision Molding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Chongsheng Precision Molding Co Ltd filed Critical Shanghai Chongsheng Precision Molding Co Ltd
Priority to CN201821458212.4U priority Critical patent/CN208867497U/en
Application granted granted Critical
Publication of CN208867497U publication Critical patent/CN208867497U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

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

A kind of major diameter dovetail core mechanism
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).
CN201821458212.4U 2018-09-06 2018-09-06 A kind of major diameter dovetail core mechanism Active CN208867497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821458212.4U CN208867497U (en) 2018-09-06 2018-09-06 A kind of major diameter dovetail core mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821458212.4U CN208867497U (en) 2018-09-06 2018-09-06 A kind of major diameter dovetail core mechanism

Publications (1)

Publication Number Publication Date
CN208867497U true CN208867497U (en) 2019-05-17

Family

ID=66466985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821458212.4U Active CN208867497U (en) 2018-09-06 2018-09-06 A kind of major diameter dovetail core mechanism

Country Status (1)

Country Link
CN (1) CN208867497U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN201632508U (en) Universal-joint sleeve cold extruding die
CN208867497U (en) A kind of major diameter dovetail core mechanism
CN203580032U (en) Injection mold with insert mounting structure
CN105414298A (en) One-step rotary pressing forming device and method thereof
CN203913344U (en) A kind of wormwood artemisia cake forming machine
CN203357823U (en) Ejection structure of mold
CN205969789U (en) Injection mold convenient to drawing of patterns of back -off plastic part
CN109049567A (en) A kind of major diameter dovetail core mechanism
CN110978401A (en) Injection molding mold for plastic toy production
CN214773659U (en) Special straight-jacking glue-feeding die structure for automobile horn cover
CN203449537U (en) Mould
CN209580351U (en) A kind of bevel gear injection mold
CN203805235U (en) Demolding and molding structure for core-pulling injection mold in small-scale plastic part deep-cavity
CN207222909U (en) A kind of secter pat assembling die
CN205097480U (en) Strong drawing of patterns of nail storehouse back -off
CN205202040U (en) Ejecting mould structure of secondary
CN209363399U (en) A kind of plate pushing structure
CN218365970U (en) Plastic part mould convenient to drawing of patterns
CN211489583U (en) Roller type pitched roof mold
CN109049555A (en) Umbrella shape slanted ejecting mechanism
CN214920305U (en) Aluminum alloy ingot blank spray forming device
CN204367323U (en) Mesopore underwater lamp lamp body mould
CN108995152A (en) Injection mold with Slanted ejecting device
CN202114087U (en) Cold extrusion mould for internal spiral splines
CN203875311U (en) Forming die for wine decanters

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant