CN105437472B - It is a kind of to utilize the mould for hooking leg device control rack gear shaping - Google Patents
It is a kind of to utilize the mould for hooking leg device control rack gear shaping Download PDFInfo
- Publication number
- CN105437472B CN105437472B CN201510984332.2A CN201510984332A CN105437472B CN 105437472 B CN105437472 B CN 105437472B CN 201510984332 A CN201510984332 A CN 201510984332A CN 105437472 B CN105437472 B CN 105437472B
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- Prior art keywords
- rack
- gear
- dynamic model
- limited block
- leg
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Classifications
-
- 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
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C2045/4042—Ejector constructions; Ejector operating mechanisms driven by rack and pinion means
Abstract
It is a kind of to utilize the mould for hooking leg device control rack gear shaping, belong to thermoplastic plastics shaping mould applications, it is characterised in that：The spacing inclined-plane set on hook leg 5 is contacted with the front bevel face set on rack 6 and wedging is spacing, and control block 17 is fitted close and spacing with the notch set on rack 6, and the flank of tooth set on rack 6 is engaged with gear 9；Gear key 10 is contacted with gear 9 and the face of dynamic mould core 7 in keyway；The beneficial effects of the invention are as follows：The problem of rack gear solves micron order screw thread and helical teeth class plastic product mold releasability is controlled by hooking leg device, leg is hooked to play a part of being oriented to and wedging locked mode, hook leg and the driving rack motion of spring collective effect, the linear reciprocating motion of rack is changed into the gyration of gear, the present apparatus is without external Leave out thread power set, realize that rotating stripping demoulding transmission power is big using injection moulding machine mould open motion, stable working reliably improves production efficiency.
Description
Technical field
The invention belongs to thermoplastic plastics shaping mould applications, it is related to a kind of utilize and hooks leg device control rack gear
The mould of shaping, is mainly used in the mould of micron order screw thread and helical teeth class plastic product.
Background technology
The die sinking direction of the part opposing mold of screw thread and helical teeth class plastic product die for molding screw thread and helical teeth is down
Button, the thread forming part for requiring the not not deep plastic product of strict, the more soft screw thread of material for size can be using pressure
The demoulding, it is high, it is necessary to which thread-relieving mechanism is realized for micron order screw thread and the tight surface requirements of helical teeth class plastic product dimensional tolerance
The abjection of back-off；Conventional Leave out thread mechanism has two kinds：One kind is to drive rack-driving to drive screw thread using hydraulic oil cylinder driving
Mold insert is stripped, and it is big that such a infrastructure cost height takes die space；Another is so as to band using the motion of motor driven belts movable sprocket
Dynamic chain movement finally realizes that electric machine external is in mould in product stripping, such a structure, installs and maintenance is inconvenient.
The content of the invention
It is an object of the invention to provide a kind of using the mould for hooking leg device control rack gear shaping, by die sinking
Action drives hook leg motion so as to drive rack-driving, by rack drives pinion rotation by product break away from moulds, realize plastic certainly
The dynamic demoulding.
The mould for hooking leg device control rack gear shaping is utilized the technical problem to be solved in the present invention is to provide a kind of
Tool, solves problem present in the mould of micron order screw thread and helical teeth class plastic product, product is smoothly stripped and reach technology
It is required that and use requirement.
The technical scheme is that：It is a kind of to utilize the mould for hooking leg device control rack gear shaping, its structure
Including：Solid plate 1, moving platen 2, dynamic model rack-plate 3, dynamic model swivel nut plate 4, hook leg 5, rack 6, dynamic mould core 7, dynamic model block 8, tooth
Wheel 9, gear key 10, plug 11, limit switch mounting blocks 12, limit switch 13, limited block A 14, limited block B 15, limited block C
16th, control block 17, spring 18 and pin 19.
It is a kind of to be using the annexation of mould for hooking leg device and control rack gear shaping：Dynamic model rack-plate 3 with
The contact of the face of dynamic model swivel nut plate 4 is locked by bolt, and pin 19 is arranged between dynamic model rack-plate 3 and dynamic model swivel nut plate 4, will be dynamic
Mould rack-plate 3 is positioned with dynamic model swivel nut plate 4；Moving platen 2 is contacted with the face of dynamic model rack-plate 3, and bolt passes through moving platen 2 and dynamic model tooth
Batten 3, bolt is threadedly coupled solid so as to which moving platen 2, dynamic model rack-plate 3 and dynamic model swivel nut plate 4 be locked with dynamic model swivel nut plate 4
It is fixed；Hook and positioning fang platform, spacing inclined-plane and guiding surface are provided with leg 5, hook the positioning fang platform set on leg 5 and the face of solid plate 1
Contact is fitted close, and bolt is locked through solid plate 1 by leg 5 is hooked, and is hooked leg 5 and is coordinated with the gap of moving platen 2；The top surface of rack 6
Contacted and spacing with the face of moving platen 2, the die cavity internal clearance that rack 6 is installed on dynamic model rack-plate 3 coordinates, the bottom surface of rack 6 and dynamic model
The face of rack-plate 3 is contacted and spacing, and oblique square hole, notch, the flank of tooth and correcting face are provided with rack 6, wherein oblique square hole is oblique before including
The spacing inclined-plane set on face, back bevel and overmoving surface, hook leg 5 is contacted with the front bevel face set on rack 6 and wedging is spacing,
Control block 17 is fitted close and spacing with the notch set on rack 6, and bolt locks itself and rack 6 through control block 17 solid
Fixed, limited block A 14, limited block B 15 and limited block C 16 contact tight fit with the face of dynamic model rack-plate 3, and bolt is each passed through
It is locked by limited block A 14, limited block B 15 and limited block C 16 with dynamic model rack-plate 3, limited block A 14, limited block B
15 and the sides of limited block C 16 be slidably matched with the correcting plane-plane contact that is set on rack 6；The flank of tooth and gear set on rack 6
9 engagements；The top surface of gear 9 is contacted and spacing with the face of moving platen 2, and the die cavity internal clearance that gear 9 is installed on dynamic model rack-plate 3 coordinates,
There is gap the bottom surface of gear 9 with the die cavity bottom surface of dynamic model rack-plate 3, and this gap, which is more than on the stroke that gear 12 is moved, gear 9, to be provided with
The central through hole set on central through hole and keyway, gear 9 is contacted and is fitted close with the face of dynamic mould core 7, is set on dynamic mould core 7
Keyway is equipped with, gear key 10 is contacted with gear 9 and the face of dynamic mould core 7 in keyway, and dynamic model block 8 is contacted with the face of moving platen 2
Hanging platform connection is fitted close, it is locked by bolt through dynamic model block 8 with moving platen 2, center is provided with dynamic model block 8 and is led to
Hole, dynamic mould core 7 coordinates with the central through hole face contact slide set on dynamic model block 8, limit switch mounting blocks 12 and dynamic model tooth
The face of batten 3 is contacted and spacing, and it is locked by bolt through limit switch mounting blocks 12 with dynamic model rack-plate 3, limit switch
13 contact with the face of limit switch mounting blocks 12, and it is locked by bolt through limit switch 13 with limit switch mounting blocks 12；
Spring 18 coordinates with the via clearance set on dynamic model rack-plate 3, and plug 11 is threadedly coupled with dynamic model rack-plate 3 and locked solid
Fixed, the side end face of spring 18 1 is contacted and spacing by plug 11 with the face of plug 11, and another side end face of spring 18 is contacted with the face of rack 6,
Spring 18 produces thrust in compressive state under matched moulds state to rack 6.
Hooking leg device controls the operation principle of rack gear to be：During die sinking in the presence of forming machine the band of solid plate 1
The dynamic leg 5 that hooks moves along a straight line, and hooks the spacing inclined-plane set on leg 5 and is separated with the front bevel set on rack 6, hooks and is set on leg 5
Guiding surface plane-plane contact and thrust produced to retreading of being set on rack 6, spring 18 produces tension force to rack 6 and made
With rack 6 moves along a straight line in the presence of thrust and tension force, and when control block 17 is contacted with the faces of limited block B 15, rack 6 stops
Motion, this ends contact of hour rack 6 to limit switch 13, rack 6 imparts power to gear 9 when moving along a straight line, and gear 9 is rotated
Dynamic mould core 7 is imparted power to by gear key 10, dynamic mould core 7, which is rotated, makes the screw thread or helical teeth break away from moulds on product；
Product ejects rear mold matched moulds, and stationary mould for mould and dynamic model do reseting movement under forming machine effect, and solid plate 1 drives hook leg 5 to do
Linear motion, hooks when the spacing inclined-plane set on leg 5 is contacted with the front bevel set on rack 6 and produces thrust to rack 6, overcome
Spring 18 is applied to the tension force of rack 6, and rack 6 moves along a straight line, when control block 17 is contacted with limited block C16 faces, hooks leg 5 and answers
Position, the stop motion of rack 6, wherein, rack 6 imparts power to gear 9 when moving, gear 9 is rotated will be dynamic by gear key 10
Power passes to dynamic mould core 7, and dynamic mould core 7 is rotated and resetted, and matched moulds process terminates.
The thickness of the control block 17 is less than the thickness of rack 6, control block 17 and moving platen 2 and the gap of dynamic model rack-plate 3
Coordinate.
The hook leg device control rack gear can be applied not only to mould applications, can apply to any utilization
The linear motion for hooking leg 5 realizes the linear motion and the mechanical realization rotated with moving gear 9 that moved along a straight line by rack 6 of rack 6, its
The movement locus direction of middle rack 6 is vertical with hooking the movement locus direction of leg 5.
The beneficial effects of the invention are as follows：Rack gear is controlled to solve micron order screw thread and helical teeth by hooking leg device
The problem of class plastic product is stripped in a mold, hooks leg and plays a part of being oriented to and wedging locked mode, hook leg and spring collective effect
Rack motion is driven, the linear reciprocating motion of rack is changed into the gyration of gear, and the present apparatus is without external Leave out thread power
Device, rotating stripping demoulding is realized using injection moulding machine mould open motion, and transmission power is big, stable working is reliable, can quickly, accurately determine
Position, makes product smoothly be stripped and reaches technical requirements and use requirement, simple in construction, compact effectively using die space, improves
Production efficiency.
Brief description of the drawings
Below in conjunction with accompanying drawing, illustrated with embodiment.
Fig. 1 is this mould overall schematic.
Fig. 2 is that this mould hooks the schematic diagram one that leg device controls rack gear.
Fig. 3 is that this mould hooks the schematic diagram two that leg device controls rack gear.
In figure：1 solid plate；2 moving platens；3 dynamic model rack-plates；4 dynamic model swivel nut plates；5 hook leg；6 racks；7 dynamic mould cores；8
Dynamic model block；9 gears；10 gear keys；11 plugs；12 limit switch mounting blocks；13 limit switches；14 limited block A；15 limited block B；
16 limited block C；17 control blocks；18 springs；19 pins.
Embodiment
Describe the specific embodiment of invention in detail with reference to technology word and accompanying drawing.
When assembling mould, hook leg 5 and be arranged in the die cavity that solid plate 1 is processed, bolt is locked solid through solid plate 1
It is scheduled on top clamping plate 1；Pin 19 is arranged between dynamic model rack-plate 3 and dynamic model swivel nut plate 4, and bolt passes through dynamic model swivel nut plate 4
It is locked with dynamic model rack-plate 3（See Fig. 1）；Limited block A 14, limited block B 15 and limited block C 16 are fitted in dynamic model
In the die cavity processed on rack-plate 3, bolt is each passed through limited block A 14, limited block B 15 and limited block C 16 by it with moving
Mould rack-plate 3 is locked；Control block 17 is fitted in the groove that rack 6 is processed, and bolt passes through control block 17 by itself and tooth
Bar 6 is locked；Limit switch mounting blocks 12 are fitted on dynamic model rack-plate 3, bolt by limit switch mounting blocks 12 by its
It is fixed on dynamic model rack-plate 3, limit switch 13 is arranged on the boss on limit switch mounting blocks 12, and bolt is opened by spacing
13 are closed to be fixed on limit switch mounting blocks 12；Dynamic mould core 7 is fitted in the centre bore of gear 9, and gear key 10 is installed
Between gear 9 and dynamic mould core 7, dynamic mould core 7 and gear 9 are fitted in the die cavity processed on dynamic model rack-plate 3 together；
Spring 18 is arranged in the through hole processed on dynamic model rack-plate 3, and plug 11 is screwed into the screw thread processed on dynamic model rack-plate 3
It is spacing to spring 18；Rack 6 is fitted in the die cavity processed on dynamic model rack-plate 3, and rack 6 applies pressure to spring 18 makes bullet
Spring is compressed, and rack 6 is contacted with limited block A 14, limited block B 15 and the faces of limited block C 16, and rack 6 is engaged with gear 9；Dynamic model block
8 are arranged in the die cavity that moving platen 2 is processed, and hanging platform coordinates spacing, and bolt is fixed on moving platen 2 through dynamic model block 8,
Dynamic mould core 7 is arranged in the central through hole on dynamic model block 8（See Fig. 2,3）, bolt will through moving platen 2 and dynamic model rack-plate 3
It is locked with dynamic model swivel nut plate 4, after stationary mould for mould and dynamic model matched moulds, hooks the spacing inclined-plane of leg 5 and the front bevel wedge of rack 6
Tight fit（See Fig. 1）.
Specifically forming process is：After the completion of forming machine injection, spring 18 applies tension force to rack 9, hooks leg 5 to rack 9
Apply thrust, rack 6 moves along a straight line, and rack 6 rotates with moving gear 9, gear 9 drives dynamic mould core 7 to rotate, depart from plastics production
Screw thread or helical teeth part on product, when control block 17 with the faces of limited block B 15 contacts the stop motion of hour rack 6, this hour rack 6 connects
Contact limit switch 13；Leg 5 is hooked during matched moulds promotes rack 6 to move, and spring 18 is compressed, and rack 6 is rotated with moving gear 9, gear 9
Dynamic mould core 7 is driven to rotate, when hooking the reset of leg 5, control block 17 touches limited block C 16, rack 6, gear 9 and movable model
Core 7 also resets simultaneously, and the one-shot forming cycle completes.
Described above is the superior embodiment of the present invention, it is noted that for the technology of the technical field of the invention
For personnel, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and become
Shape also should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of using the mould for hooking leg device control rack gear shaping, its structure includes：Solid plate（1）, moving platen
（2）, dynamic model rack-plate（3）, dynamic model swivel nut plate（4）, hook leg（5）, rack（6）, dynamic mould core（7）, dynamic model block（8）, gear
（9）, gear key（10）, plug（11）, limit switch mounting blocks（12）, limit switch（13）, limited block A（14）, limited block B
（15）, limited block C（16）, control block（17）, spring（18）And pin（19）；It is characterized in that：Annexation is to hook leg（5）
On be provided with positioning fang platform, spacing inclined-plane and guiding surface, hook leg（5）The positioning fang platform and solid plate of upper setting（1）Face is contacted
It is fitted close, bolt passes through solid plate（1）Leg will be hooked（5）It is locked；Rack（6）On be provided with oblique square hole, notch, the flank of tooth and
Correcting face, wherein oblique square hole includes front bevel, back bevel and overmoving surface, hooks leg（5）The spacing inclined-plane and rack of upper setting（6）On
Simultaneously wedging is spacing for the front bevel face contact of setting, control block（17）With rack（6）The notch of upper setting is fitted close and spacing, spiral shell
Bolt passes through control block（17）By itself and rack（6）It is locked, limited block A（14）, limited block B（15）With limited block C（16）
With dynamic model rack-plate（3）Face contact is fitted close, and bolt is each passed through limited block A（14）, limited block B（15）With limited block C
（16）By itself and dynamic model rack-plate（3）It is locked, limited block A（14）, limited block B（15）With limited block C（16）Side with
Rack（6）The correcting plane-plane contact of upper setting is slidably matched；Rack（6）The flank of tooth and gear of upper setting（9）Engagement；Gear（9）
On be provided with central through hole and keyway, gear（9）The central through hole and dynamic mould core of upper setting（7）Face contacts and is fitted close,
Dynamic mould core（7）On be provided with keyway, gear key（10）With gear（9）And dynamic mould core（7）Face contact is arranged in keyway, is moved
Module（8）With moving platen（2）Face contact is fitted close hanging platform connection, and bolt passes through dynamic model block（8）By itself and moving platen（2）Locking
It is fixed, dynamic model block（8）On be provided with central through hole, dynamic mould core（7）With dynamic model block（8）The central through hole face contact of upper setting is slided
It is dynamic to coordinate；Spring（18）With dynamic model rack-plate（3）The via clearance of upper setting coordinates, plug（11）With dynamic model rack-plate（3）Spiral shell
Line is connected and is locked, spring（18）One side end face and plug（11）Face is contacted and by plug（11）It is spacing, spring（18）Separately
One side end face and rack（6）Face is contacted, spring（18）In compressive state to rack under matched moulds state（6）Produce thrust.
2. according to claim 1 a kind of using the mould for hooking leg device control rack gear shaping, its feature exists
In：The control block（17）Thickness be less than rack（6）Thickness, control block（17）With moving platen（2）With dynamic model rack-plate（3）
Gap coordinates.
3. according to claim 1 a kind of using the mould for hooking leg device control rack gear shaping, its feature exists
In：The hook leg device control rack gear can be applied not only to mould applications, can apply to any utilize and hooks leg
（5）Linear motion realize rack（6）Linear motion and by rack（6）Linear motion band moving gear（9）The mechanical structure of rotation
Make, its middle rack（6）Movement locus direction is with hooking leg（5）Movement locus direction is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984332.2A CN105437472B (en) | 2015-12-25 | 2015-12-25 | It is a kind of to utilize the mould for hooking leg device control rack gear shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510984332.2A CN105437472B (en) | 2015-12-25 | 2015-12-25 | It is a kind of to utilize the mould for hooking leg device control rack gear shaping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105437472A CN105437472A (en) | 2016-03-30 |
| CN105437472B true CN105437472B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510984332.2A Active CN105437472B (en) | 2015-12-25 | 2015-12-25 | It is a kind of to utilize the mould for hooking leg device control rack gear shaping |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293653B (en) * | 2018-03-23 | 2022-01-04 | 上海普器阁实业有限公司 | Internal thread spare injection mold of rotatory drawing of patterns |
| CN109940831A (en) * | 2019-03-22 | 2019-06-28 | 广东科技学院 | A kind of Mould of Automatic Separating for Thread mechanism |
| CN113561374B (en) * | 2021-08-02 | 2022-12-20 | 深圳市羽利美科技有限公司 | Automatic precision spare mould of drawing of patterns |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205364385U (en) * | 2015-12-25 | 2016-07-06 | 大连銮艺精密模塑制造有限公司 | Fashioned mould of leg device control tooth strip drive mechanism is colluded in utilization |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5179127B2 (en) * | 2007-09-19 | 2013-04-10 | 株式会社山城精機製作所 | Mold screw removal device |
| CN102358003B (en) * | 2011-07-29 | 2013-11-06 | 宁波双林模具有限公司 | Rotary core loosing and demoulding device for transverse thread slug of injection mold |
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2015
- 2015-12-25 CN CN201510984332.2A patent/CN105437472B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205364385U (en) * | 2015-12-25 | 2016-07-06 | 大连銮艺精密模塑制造有限公司 | Fashioned mould of leg device control tooth strip drive mechanism is colluded in utilization |
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| Publication number | Publication date |
|---|---|
| CN105437472A (en) | 2016-03-30 |
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