CN104526986B - Injection mold with multi-insert block linkage mechanism for automobile lamp decorative strip - Google Patents

Injection mold with multi-insert block linkage mechanism for automobile lamp decorative strip Download PDF

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Publication number
CN104526986B
CN104526986B CN201410833992.6A CN201410833992A CN104526986B CN 104526986 B CN104526986 B CN 104526986B CN 201410833992 A CN201410833992 A CN 201410833992A CN 104526986 B CN104526986 B CN 104526986B
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CN
China
Prior art keywords
core pulling
insert
hole
pull bar
dovetail
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CN201410833992.6A
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Chinese (zh)
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CN104526986A (en
Inventor
夏文俊
方永华
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NINGBO RUQIANG MOLDING CO Ltd
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NINGBO RUQIANG MOLDING CO Ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles

Abstract

The invention discloses an injection mold with a multi-insert block linkage mechanism for an automobile lamp decorative strip. The injection mold comprises a moving mold, a fixed mold, an undercut forming insert block, a through hole forming insert block and a core pulling linkage mechanism, wherein the moving mold, the fixed mold, the undercut forming insert block and the through hole forming insert block constitute a product molding cavity, the core pulling linkage mechanism is linked with the moving mold through an oblique guide column, and the core pulling linkage mechanism drives the undercut forming insert block and the through hole forming insert block to realize synchronous core pulling. The undercut forming insert block and the through hole forming insert block realize synchronous core pulling through the core pulling linkage mechanism, and a main core pulling body is adopted for realizing core pulling actions of the insert blocks at two positions in different directions, so that the volume of the mold can be reduced and the manufacturing cost can be reduced. The injection mold belongs to the technical field of mold equipment.

Description

Automobile lamp decoration strip injection mould with many insert link gears
Technical field
The invention belongs to die apparatus technical field, more particularly, to a kind of automobile lamp with many insert link gears Decoration strip injection mould.
Background technology
Injection mo(u)lding is to produce a kind of processing method used during some complex-shaped parts in batches.Refer specifically to be heated and melt The material of change injects die cavity by high pressure, Jing after cooling and solidifying, obtains formed products.
Injection mold is made up of dynamic model and cover half two parts, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, cover half On the fixed form of injection (mo(u)lding) machine.In injection moulding, dynamic model constitutes running gate system and die cavity with cover half closure, opens Dynamic model and cover half are separated to take out plastic products during mould.
As shown in Figure 1, there is back-off 4.1 and through hole 4.2 in product 4, according to existing conventional stripping means, need to use Core-pulling mechanism at two, one downwards one to the left, and the direction of motion is inconsistent, causes mould volume to become big, also increases system Cause this.
The content of the invention
The technical problem to be solved is:There is provided one kind can reduce mould volume, lower the band of manufacturing cost There is the automobile lamp decoration strip injection mould of many insert link gears.
The technical solution used in the present invention is:A kind of automobile lamp ornamental strip injection mould with many insert link gears Tool, including dynamic model, cover half, back-off shaped insert, forming through holes insert, core pulling link gear, dynamic model, cover half, back-off shaping edge Jing Angle Pins realize linkage between block and forming through holes insert composition formed product chamber, described core pulling link gear and dynamic model, Core pulling link gear drives back-off shaped insert and forming through holes insert to realize synchronous core pulling.
Described core pulling link gear leads to including big slide block, stroke pull bar, back-off guide pad, through hole core pulling pull bar, two Hole slide block, the upper left corner of back-off shaped insert is used for shaped article back-off, and the lower right corner of described back-off shaped insert is sliding with big The oblique dovetail groove of block matches, and the lower left corner and the oblique dovetail groove of back-off guide pad of back-off shaped insert match, and stroke pull bar runs through back-off It is screwed onto after shaped insert on big slide block, stroke pull bar forms stroke limit with back-off shaped insert, and on stroke pull bar spiral shell is cased with Rotation spring, helical spring is suppressed between back-off shaped insert and big slide block;One end of described through hole core pulling pull bar is sliding with big Block is connected, the other end of through hole core pulling pull bar be located between two through hole slide blocks and with the oblique dovetail groove phase of two through hole slide block Jing Match somebody with somebody, the motion of through hole core pulling pull bar drives two through hole slide blocks towards or away from motion, and two through hole slide blocks are respectively at corresponding Forming through holes insert Jing dovetail groove matches, and the Relative motion control forming through holes insert of two through hole slide blocks completes core pulling action.
Described back-off guide pad is fixed on cover half, the dovetail groove side coordinated with back-off shaped insert on back-off guide pad To consistent with product back-off position opening direction.
Between described through hole core pulling pull bar and two through hole slide blocks Jing dovetail grooves match refer to through hole core pulling pull bar from Two groups of dovetail chutes are provided with by the same side held, described two groups of dovetail chutes from free end to the V-shaped arrangement of fixing end, two Individual through hole slide block is provided with dovetail slide rail corresponding with dovetail chute.
The invention has the beneficial effects as follows:A kind of automobile lamp ornamental strip injection mould with many insert link gears of the present invention Tool, drives back-off shaped insert and forming through holes insert to realize synchronous core pulling, using a main core pulling by core pulling link gear Body, realizes the core pulling action of different directions insert at two, can reduce mould volume, lowers manufacturing cost.
Description of the drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 detaches schematic diagram before product for forming through holes insert.
Fig. 3 is back-off shaped insert schematic diagram.
Fig. 4 detaches schematic diagram after product for forming through holes insert.
Fig. 5 detaches schematic diagram before product for forming through holes insert.
Fig. 6 forming through holes inserts detach schematic diagram after product.
In figure:1st, back-off shaped insert, 1.1, at the dovetail groove cooperation of the lower left corner, 1.2, at the dovetail groove cooperation of the lower right corner, 2, Forming through holes insert, 3.1, big slide block, 3.2, stroke pull bar, 3.3, back-off guide pad, 3.4, through hole core pulling pull bar, 3.5, through hole Slide block, 3.6, helical spring, 4, product, 4.1, back-off, 4.2, through hole.
Specific embodiment
Shown in reference picture 1- Fig. 6, in order to more clearly show that back-off shaped insert 1 and forming through holes insert 2 with Position between big slide block 3.1, is specially individually combined back-off shaped insert 1 and forming through holes insert 2 the most with big slide block 3.1 Accompanying drawing.
A kind of automobile lamp decoration strip injection mould with many insert link gears, including the shaping of dynamic model, cover half, back-off Insert 1, forming through holes insert 2, core pulling link gear, dynamic model, cover half, back-off shaped insert 1 and forming through holes insert 2 composition is produced Jing Angle Pins realize linkage between product forming cavity, described core pulling link gear and dynamic model, core pulling link gear drive back-off into Type insert 1 and forming through holes insert 2 realize synchronous core pulling.
Described core pulling link gear includes that big slide block 3.1, stroke pull bar 3.2, back-off guide pad 3.3, through hole core pulling are drawn 3.4, two through hole slide blocks 3.5 of bar, the upper left corner of back-off shaped insert 1 is used for shaped article back-off, described back-off shaping edge The lower right corner of block 1 matches with the oblique dovetail groove of big slide block 3.1, the lower left corner and the oblique dovetail of back-off guide pad 3.3 of back-off shaped insert 1 Match, the dovetail groove cooperation position in back-off shaped insert 1 as shown in figure 3,1.1 at the dovetail groove cooperation of the lower left corner, lower right corner swallow At stern notch cooperation.
Stroke pull bar 3.2 is screwed onto on big slide block 3.1 after back-off shaped insert 1, and stroke pull bar 3.2 is molded with back-off Insert 1 forms stroke limit, and helical spring 3.6 is cased with stroke pull bar 3.2, and helical spring 3.6 is suppressed in back-off shaped insert 1 And big slide block 3.1 between;One end of described through hole core pulling pull bar 3.4 is connected with big slide block 3.1, through hole core pulling pull bar 3.4 The other end is located between two through hole slide blocks 3.5 and matches with the oblique dovetail groove of two Jing of through hole slide block 3.5, through hole core pulling pull bar 3.4 motion drives two through hole slide blocks 3.5 towards or away from motion, two through hole slide blocks 3.5 respectively at corresponding through hole into The Jing dovetail grooves of type insert 2 match, and the Relative motion control forming through holes insert 2 of two through hole slide blocks 3.5 completes core pulling action.
Described back-off guide pad 3.3 is fixed on cover half, is coordinated with back-off shaped insert 1 on back-off guide pad 3.3 Dovetail groove direction is consistent with product back-off position opening direction.
Jing dovetail grooves match and refer to that through hole core pulling is drawn between described through hole core pulling pull bar 3.4 and two through hole slide blocks 3.5 The same side of the free end of bar 3.4 is provided with two groups of dovetail chutes, and two groups of described dovetail chutes are in V from free end to fixing end Type arranges that two through hole slide blocks 3.5 are provided with dovetail slide rail corresponding with dovetail chute.
The present invention operation principle be:With reference to shown in Fig. 2 and Fig. 4, die sinking, dynamic model drives big slide block 3.1 by Angle Pin Lateral movement to the right, big slide block 3.1 drives back-off shaped insert 1 to have a power effect to the right by dovetail configuration, due to falling The lower left corner of buckle forming insert 1 coordinates with the dovetail configuration of back-off guide pad 3.3, is held by back-off guide pad 3.3, so back-off shaping Insert 1 can only be moved along the dovetail direction on back-off guide pad 3.3, and realization departs from the back-off 4.1 of product 4, back-off shaping Insert 1 departs from after product, and afterwards back-off shaped insert 1 also departs from back-off guide pad 3.3, in the presence of stroke pull bar 3.2, Big slide block 3.1 drives the lateral movement to the right together of back-off shaped insert 1;With reference to shown in Fig. 5 and Fig. 6, big slide block 3.1 is molded to the right When motion, the relative motion of two through hole slide blocks 3.5, two through hole is driven to slide by the Jing dovetail configurations of through hole core pulling pull bar 3.4 Block 3.5 drives forming through holes insert 2 to depart from the through hole 4.2 of product 4 by dovetail configuration, and by core pulling link gear back-off is driven Shaped insert 1 and forming through holes insert 2 realize synchronous core pulling, using a main core pulling body, realize different directions insert at two Core pulling action, can reduce mould volume, lower manufacturing cost.

Claims (3)

1. a kind of automobile lamp decoration strip injection mould with many insert link gears, it is characterised in that:Including dynamic model, determine Mould, back-off shaped insert (1), forming through holes insert (2), core pulling link gear, dynamic model, cover half, back-off shaped insert (1) and logical Jing Angle Pins realize linkage, core pulling between hole forming insert (2) composition formed product chamber, described core pulling link gear and dynamic model Link gear drives back-off shaped insert (1) and forming through holes insert (2) to realize synchronous core pulling;Described core pulling link gear bag Include big slide block (3.1), stroke pull bar (3.2), back-off guide pad (3.3), through hole core pulling pull bar (3.4), two through hole slide blocks (3.5), the upper left corner of back-off shaped insert (1) is used for shaped article back-off, the lower right corner of described back-off shaped insert (1) with Tiltedly dovetail groove matches big slide block (3.1), and tiltedly dovetail groove matches for the lower left corner and the back-off guide pad (3.3) of back-off shaped insert (1), Stroke pull bar (3.2) is screwed onto on big slide block (3.1) after back-off shaped insert (1), and stroke pull bar (3.2) is molded with back-off Insert (1) forms stroke limit, and helical spring (3.6) is cased with stroke pull bar (3.2), and helical spring (3.6) is suppressed in back-off Between shaped insert (1) and big slide block (3.1);One end of described through hole core pulling pull bar (3.4) is connected with big slide block (3.1), The other end of through hole core pulling pull bar (3.4) be located between two through hole slide blocks (3.5) and with the oblique swallow of two through hole slide block (3.5) Jing Stern notch matches, and the motion of through hole core pulling pull bar (3.4) drives two through hole slide blocks (3.5) towards or away from motion, two through holes Slide block (3.5) matches respectively with corresponding forming through holes insert (2) Jing dovetail grooves, the relative motion of two through hole slide blocks (3.5) Control forming through holes insert (2) completes core pulling action.
2. the automobile lamp decoration strip injection mould with many insert link gears according to claim 1, its feature exists In:Described back-off guide pad (3.3) is fixed on cover half, is coordinated with back-off shaped insert (1) on back-off guide pad (3.3) Dovetail groove direction is consistent with product back-off position opening direction.
3. the automobile lamp decoration strip injection mould with many insert link gears according to claim 1, its feature exists In:Jing dovetail grooves match and refer to that through hole core pulling is drawn between described through hole core pulling pull bar (3.4) and two through hole slide blocks (3.5) The same side of the free end of bar (3.4) is provided with two groups of dovetail chutes, and two groups of described dovetail chutes are from free end to fixing end V-shaped arrangement, two through hole slide blocks (3.5) are provided with dovetail slide rail corresponding with dovetail chute.
CN201410833992.6A 2014-12-24 2014-12-24 Injection mold with multi-insert block linkage mechanism for automobile lamp decorative strip Active CN104526986B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410833992.6A CN104526986B (en) 2014-12-24 2014-12-24 Injection mold with multi-insert block linkage mechanism for automobile lamp decorative strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410833992.6A CN104526986B (en) 2014-12-24 2014-12-24 Injection mold with multi-insert block linkage mechanism for automobile lamp decorative strip

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CN104526986B true CN104526986B (en) 2017-04-26

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105500641A (en) * 2016-01-25 2016-04-20 中山市利群精密实业有限公司 Bidirectional row-orientation core-pulling device
CN113246404B (en) * 2021-06-28 2021-09-21 宁波明飞汽车零部件有限公司 Forming die for vehicle door interior trim part

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922713A (en) * 1982-07-28 1984-02-06 Toshiba Corp Undercut processing device of plastic molding tool
CN102285039A (en) * 2011-06-16 2011-12-21 凡嘉科技(无锡)有限公司 Slide upper outlet and secondary outlet structure for die
CN204487975U (en) * 2014-12-24 2015-07-22 宁波如强模塑有限公司 With the automobile lamp decoration strip injection mould of many inserts link gear

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