CN104191570B - A kind of rotary mould inscribe gate mechanism - Google Patents
A kind of rotary mould inscribe gate mechanism Download PDFInfo
- Publication number
- CN104191570B CN104191570B CN201410385116.1A CN201410385116A CN104191570B CN 104191570 B CN104191570 B CN 104191570B CN 201410385116 A CN201410385116 A CN 201410385116A CN 104191570 B CN104191570 B CN 104191570B
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- China
- Prior art keywords
- cutting knife
- cover half
- dynamic model
- block
- drag hook
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to injection mold technical field, provide a kind of rotary mould inscribe gate mechanism, it is arranged in mould and is arranged between dynamic model and cover half, this mould inscribe gate mechanism includes cutting knife pedestal, rotary cutter device and cover half drag hook block, rotary cutter device is arranged on cutting knife pedestal, cover half drag hook block is arranged on a sidepiece of rotary cutter device, when mold injection completes, during dynamic model and cover half are opened, utilizing dynamic model and the separate pulling force of cover half, cover half drag hook block can drive rotary cutter device to carry out rotating cut-out cast gate.After it is an advantage of the current invention that product has been molded, dynamic model, solid plate are opened when, utilize the separate pulling force of dynamic model, solid plate, driving is cut gating apparatus and is rotated, gate cutting, completing to produce mouth to separate with cast gate, this cuts gating apparatus positioning precision height in a mold, can effectively ensure the exterior quality of product at cast gate.
Description
Technical field
The invention belongs to injection mold technical field, relate to a kind of rotary mould inscribe gate mechanism.
Background technology
Traditional formula of helping to shoulder heavy thing enters glue, as directly entering glue, as it is shown in figure 1, for product 19 after injection with
The structural representation that cast gate 20 links together, after product 19 molding, cast gate 20 can stay product
On 19 in factory and actual production, need a large amount of at workman's manual pruning cast gate 20, need workman to adopt
Cut with cast gate 20, so on the one hand can waste workman and cut the time of cast gate 20, on the other hand workman's hands
Work is cut the operation of cast gate 20 and be there is unstability, can cause product 19 bad order, along with human resources
Shortage, cost of labor improves, and manual amendment cast gate operation just becomes equivalent pressure to enterprise development.Also have
Design the special machine pruning cast gate, but be required for after injecting products shaping and demoulding having taken out putting
Carry out finishing process at the machine pruning cast gate, which adds the expense manufacturing the machine pruning cast gate
With, also increase operation simultaneously.
Summary of the invention
The technical problem to be solved is the present situation for prior art, and provides a kind of rotation
Formula mould inscribe gate mechanism, pruning cast gate by this rotary mould inscribe gate mechanism can be directly at mould
Complete in tool, and the molding cycle of mould be constant, it is not required that other driving force and cylinder, oil cylinder and
Roof during pressurize is exerted oneself.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of rotary mould inscribe is watered
Mouth mechanism, is arranged in mould and is arranged between dynamic model and cover half, it is characterised in that this mould inscribe
Gate mechanism includes cutting knife pedestal, rotary cutter device and cover half drag hook block, described rotary cutter
Device is arranged on cutting knife pedestal, and cover half drag hook block is arranged on a sidepiece of rotary cutter device, and mould is noted
When having moulded, during dynamic model and cover half are opened, utilize dynamic model and the separate pulling force of cover half, fixed
Die drawing hooked scarf can drive rotary cutter device to carry out rotating cut-out cast gate.
The measure taked for optimizing such scheme specifically includes:
In above-mentioned one rotary mould inscribe gate mechanism, described rotary cutter device includes fixed
Die-cutting rule, dynamic model cutting knife, cutting knife rotating shaft, cutting knife track block and track limited block, described dynamic model
Cutting knife is arranged in cutting knife pedestal the more overall dynamic model that loads, and described cutting knife rotating shaft loads in cover half cutting knife,
Cover half cutting knife can be along cutting knife axis of rotation, and cutting knife rotating shaft both sides load on cutting knife track block vertically,
The cutting knife rotating shaft assembled, cover half cutting knife and track limited block entirety are loaded in cover half, described road
Rail limited block compresses cover half cut part, reinstalls cover half drag hook block and is hooked in the sidepiece of cover half cutting knife.
The innovation of present invention maximum is just to be automatically performed cutting of cast gate after being molded in mould
Cut, owing to cutting knife rotating shaft loads in cover half cutting knife, be so equivalent to cover half cutting knife and be hinged on cutting knife rotating shaft
On, therefore cover half cutting knife can be hooked in cover half due to cover half drag hook block again around cutting knife axis of rotation
The sidepiece of cutting knife, the effect of cover half drag hook block here is the effect driving cover half cutting knife to rotate, and works as mould
When being molded, during the state when 10mm opened by cover half with dynamic model, now template-driven
Cover half drag hook block moves upward 10mm, and such cover half drag hook block will rotate along axle by band active and inactive mold cutting knife
10 degree, thus cut off cast gate.
In above-mentioned one rotary mould inscribe gate mechanism, described cutting knife track block is cut with dynamic model
Having card distribution structure between cutter, described card distribution structure includes the fixture block being arranged on cutter guide block bottom
And the oblique arc groove being opened on dynamic model cutting knife, described oblique arc channel opening is up-narrow and down-wide shape, tiltedly
The shoulder block leant with fixture block it is provided with on arc groove.
In above-mentioned one rotary mould inscribe gate mechanism, the sidepiece of described dynamic model cutting knife sets
It is equipped with two crotch feet, the sidepiece of cover half cutting knife is provided with lower protruding block, two described crotch feet
Between form the receiving space included in for lower protruding block, on lower protruding block, both sides have rotatable engagement edge, institute
Being provided with drag hook edge on the cover half drag hook block stated, described drag hook is along abutting in rotatable engagement along upper.
In above-mentioned one rotary mould inscribe gate mechanism, described cutting knife pedestal offers for dynamic
The circular arc holding tank that die-cutting rule is included in, offers for cutting knife track block on the medium position of circular arc holding tank
Insert and limit the stopper slot of its position.
Compared with prior art, after it is an advantage of the current invention that product has been molded, at dynamic model, cover half
The when that plate being opened, utilize the separate pulling force of dynamic model, solid plate, drive and cut gating apparatus rotation,
Gate cutting, completes to produce mouth and separates with cast gate.This cuts gating apparatus positioning precision height in a mold,
Can effectively ensure the exterior quality of product at cast gate.And this dress need not additional driving (as top rod,
Cylinder, oil cylinder etc.), mould structure is simple, does not affect molding cycle.
Accompanying drawing explanation
Fig. 1 is the structural representation that links together with cast gate of product after injection.
Fig. 2 is the overall detonation configuration schematic diagram of this rotary mould inscribe gate mechanism；
Fig. 3 is this rotary not actuated view cutting cast gate of mould inscribe gate mechanism；
Fig. 4 is that this rotary mould inscribe gate mechanism state when dynamic model opens 10mm with cover half is shown
It is intended to；
Fig. 5 is this rotary mould inscribe gate mechanism state after product ejects.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is made into one
The description of step, but the present invention is not limited to these embodiments.
In figure, cutting knife pedestal 1；Rotary cutter device 2；Cover half drag hook block 3；Cover half cutting knife 4；Dynamic model
Cutting knife 5；Cutting knife rotating shaft 6；Cutting knife track block 7；Track limited block 8；Circular arc holding tank 9；Fixture block 10；
Stopper slot 11；Tiltedly arc groove 12；Shoulder block 13；Crotch foot 14；Lower protruding block 15；Accommodate space 16；Rotation
Turn and coordinate along 17；Drag hook is along 18；Product 19；Cast gate 20.
As in figure 2 it is shown, the innovation of present invention maximum is just can be automatic in mould after injection completes
Completing the shearing of cast gate, this rotary mould inscribe gate mechanism, in being arranged on mould and be arranged on dynamic model
With between cover half, dynamic model and cover half not shown in the present embodiment, this mould inscribe gate mechanism includes cutting knife
Pedestal 1, rotary cutter device 2 and cover half drag hook block 3, rotary cutter device 2 is arranged on cutting knife base
Seat 1, cover half drag hook block 3 is arranged on a sidepiece of rotary cutter device 2, when mold injection completes,
During dynamic model and cover half are opened, utilize dynamic model and the separate pulling force of cover half, cover half drag hook block 3 meeting
Rotary cutter device 2 is driven to carry out rotating cut-out cast gate 20.
Specifically, rotary cutter device 2 include cover half cutting knife 4, dynamic model cutting knife 5, cutting knife rotating shaft 6,
Cutting knife track block 7 and track limited block 8, be broadly divided into cover half part and dynamic model part, here at mould
When tool is installed, this mould inscribe mechanism order is as follows, dynamic model part: dynamic model cutting knife 5 is arranged on cutting knife base
In seat 1, cutting knife pedestal 1 offers the circular arc holding tank 9 included in for dynamic model cutting knife 5, more overall loading
Dynamic model lock screw；Cover half part: cutting knife rotating shaft 6 loads in cover half cutting knife 4, cover half cutting knife 4 energy
Enough rotating along cutting knife rotating shaft 6, cutting knife rotating shaft 6 both sides load on cutting knife track block 7 vertically, by group
In cutting knife rotating shaft 6, cover half cutting knife 4 and the track limited block 8 overall loading cover half installed, track is spacing
Block 8 compresses cover half cutting knife 4 parts, reinstalls cover half drag hook block 3 and is hooked in the sidepiece of cover half cutting knife 4,
Offer on the medium position of circular arc holding tank 9 and insert and limit the spacing of its position for cutting knife track block 7
Groove 11, ensures, by stopper slot 11, the positional accuracy that cover half cutting knife 4 rotates, due to cutting knife rotating shaft 6
Load in cover half cutting knife 4, be so equivalent to cover half cutting knife 4 and be hinged in cutting knife rotating shaft 6, therefore fixed
Die-cutting rule 4 can rotate around cutting knife rotating shaft 6, is hooked in cover half cutting knife 4 due to cover half drag hook block 3 again
Sidepiece, the effect of cover half drag hook block 3 here be drive cover half cutting knife 4 rotate effect.
Having card distribution structure between cutting knife track block 7 and dynamic model cutting knife 5, card distribution structure includes being arranged on
The fixture block 10 of cutter guide block bottom and the oblique arc groove 12 being opened on dynamic model cutting knife 5, oblique arc groove 12
Opening is up-narrow and down-wide shape, is provided with the shoulder block 13 leant with fixture block 10 on oblique arc groove 12, this
Dynamic model cutting knife 5 and cover half cutting knife 4 just can be fixed together by sample, simultaneously because tiltedly the depositing of arc groove 12
, not only act as spacing effect, can control cover half cutting knife 4 rotates corresponding angle simultaneously, dynamic
Two crotch feet 14 it are provided with, under the sidepiece of cover half cutting knife 4 is provided with on the sidepiece of die-cutting rule 5
Projection 15, forms the receiving space 16 included in for lower protruding block 15 between two crotch feet 14, under convex
On block 15, both sides have rotatable engagement along 17, cover half drag hook block 3 are provided with drag hook along 18, drag hook edge
18 abut in rotatable engagement along 17, are in accommodating in space 16 due to lower protruding block 15 here, this
Sample just can limit cover half cutting knife 4 axial direction, position sideslip when preventing pruning cast gate 20, again by
It is to abut in rotatable engagement along 17, when cover half drag hook block 3 moves upward namely in drag hook along 18
Drag hook moves upward along 18, thus cooperation is rotated and makes cover half cutting knife 4 produce rotation along 17, complete
Cast gate 20 is become to prune.
The operation principle of this rotary mould inscribe gate mechanism is as follows:
It is illustrated in figure 3 the rotary not actuated view cutting cast gate of mould inscribe gate mechanism, can
To find out that cover half drag hook block 3 is that the upper plane with cutting knife pedestal 1 is developed, as shown in Figure 4, work as mould
When being molded, during the state when 10mm opened by cover half with dynamic model, now template-driven
Cover half drag hook block 3 moves upward 10mm, and such cover half drag hook block 3 will move by band active and inactive mold cutting knife 4,
Cover half cutting knife 4 just rotates 10 degree along cutting knife rotating shaft 6, and now cast gate 20 has been turned off, as it is shown in figure 5,
Now product 19 separates with cast gate 20, completed the action-----of whole pruning cast gate be also one complete
Molding cycle, by this rotary mould inscribe gate mechanism, prune cast gate and directly complete in mould,
And the molding cycle of mould is constant, also without top during other driving force and cylinder, oil cylinder and pressurize
Plate ejecting force etc..
Specific embodiment described herein is only to present invention spirit explanation for example.The present invention
Person of ordinary skill in the field described specific embodiment can be made various amendment or
Supplement or use similar mode to substitute, but without departing from the defined scope of spirit of the present invention.
Claims (4)
1. a rotary mould inscribe gate mechanism, be arranged in mould and be arranged on dynamic model and cover half it
Between, it is characterised in that this mould inscribe gate mechanism includes cutting knife pedestal, rotary cutter device and determines
Die drawing hooked scarf, described rotary cutter device is arranged in cutting knife pedestal, and cover half drag hook block is arranged on rotation
Turn a sidepiece of cutter, when mold injection completes, during dynamic model and cover half are opened, profit
With the separate pulling force of dynamic model and cover half, cover half drag hook block can drive rotary cutter device to carry out rotating cut-out
Cast gate；Described rotary cutter device includes cover half cutting knife, dynamic model cutting knife, cutting knife rotating shaft, cutting knife road
Rail block and track limited block, described dynamic model cutting knife is overall again in being arranged on cutting knife pedestal loads dynamic model,
Described cutting knife rotating shaft loads in cover half cutting knife, and cover half cutting knife can turn along cutting knife axis of rotation, cutting knife
Axle both sides load on cutting knife track block vertically, by the cutting knife rotating shaft assembled, cover half cutting knife and track
Limited block entirety loads in cover half, and described track limited block compresses cover half cut part, and it is fixed to reinstall
Die drawing hooked scarf is hooked in the sidepiece of cover half cutting knife.
One the most according to claim 1 rotary mould inscribe gate mechanism, it is characterised in that
Having card distribution structure between described cutting knife track block and dynamic model cutting knife, described card distribution structure includes setting
Put the fixture block in cutter guide block bottom and the oblique arc groove being opened on dynamic model cutting knife, described oblique arc
Channel opening is up-narrow and down-wide shape, is provided with, on oblique arc groove, the shoulder block leant with fixture block.
One the most according to claim 2 rotary mould inscribe gate mechanism, it is characterised in that
It is provided with two crotch feet on the sidepiece of described dynamic model cutting knife, the sidepiece of cover half cutting knife is provided with
Lower protruding block, forms the receiving space included in for lower protruding block, at lower protruding block between two described crotch feet
Upper both sides have rotatable engagement edge, and described cover half drag hook block is provided with drag hook edge, described drag hook
Along abutting in rotatable engagement along upper.
One the most according to claim 3 rotary mould inscribe gate mechanism, it is characterised in that
Described cutting knife pedestal offers the circular arc holding tank included in for dynamic model cutting knife, in circular arc holding tank
The stopper slot inserting and limiting its position for cutting knife track block is offered on position, portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385116.1A CN104191570B (en) | 2014-08-06 | 2014-08-06 | A kind of rotary mould inscribe gate mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385116.1A CN104191570B (en) | 2014-08-06 | 2014-08-06 | A kind of rotary mould inscribe gate mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191570A CN104191570A (en) | 2014-12-10 |
| CN104191570B true CN104191570B (en) | 2016-09-14 |
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ID=52077016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385116.1A Active CN104191570B (en) | 2014-08-06 | 2014-08-06 | A kind of rotary mould inscribe gate mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104191570B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253661A (en) * | 2019-06-14 | 2019-09-20 | 湖北三环汽车工程塑料有限公司 | A kind of caash bar cast gate automatic processing apparatus |
| CN113601802B (en) * | 2021-09-02 | 2023-04-25 | 东莞市科锦机械有限公司 | Bottle cap production system with injection molding pouring gate shearing function |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6939500B2 (en) * | 2001-08-30 | 2005-09-06 | Bernard Mould | Method and apparatus for eliminating a parting line witness mark from a molded part |
| JP2010105345A (en) * | 2008-10-31 | 2010-05-13 | Takamatsu Shinkichi | Gate-cutting member and injection mold equipped with the same |
| CN204076692U (en) * | 2014-08-06 | 2015-01-07 | 嘉兴信元精密模具科技有限公司 | A kind of rotary mould inscribe gate mechanism |
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2014
- 2014-08-06 CN CN201410385116.1A patent/CN104191570B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104191570A (en) | 2014-12-10 |
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