CN107186977A - Working of plastics shaping dies - Google Patents
Working of plastics shaping dies Download PDFInfo
- Publication number
- CN107186977A CN107186977A CN201710530202.0A CN201710530202A CN107186977A CN 107186977 A CN107186977 A CN 107186977A CN 201710530202 A CN201710530202 A CN 201710530202A CN 107186977 A CN107186977 A CN 107186977A
- Authority
- CN
- China
- Prior art keywords
- gear
- working
- axle
- moving platen
- gear axle
- 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.)
- Granted
Links
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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C2045/648—Rack and pinion means for mould opening and closing a pair of mould halves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of working of plastics shaping dies, including moving platen, die cavity, solid plate, it is characterised in that, also include the ejecting mechanism being located between moving platen and solid plate, wherein, rack is provided with along its direction of motion in the side of moving platen, rack is moved with moving platen.And horizontally disposed first gear axle and the second gear axle being vertically arranged, engaged with rack one end of first gear axle, the other end engages level switching to vertical rotation by angular wheel with the angular wheel of second gear axle, also include the 3rd gear shaft being connected with working of plastics bottom thread portion screw thread, the bottom of the 3rd gear shaft is engaged with the top of second gear axle.The power driven gear rackwork that the present invention is molded using mould is so as to complete the release of threaded plastic part, working of plastics is pushed out while mould die sinking can be completed, mould is reduced while ensure that speed of production and uses difficulty, the manufacturing cost of mould is on the other hand also reduced.
Description
Technical field
The present invention relates to the forming tool field that car is molded materials and parts, more particularly to a kind of working of plastics shaping dies.
Background technology
With continuing to develop for auto manufacturing.The requirement of body lightening also more and more higher, therefore in formed automobile
In many parts, there is increasing plastic part application wherein, the working of plastics on usual automobile is past to the quality requirement of part
It is past higher.
Under the conditions of prior art, the ejecting mechanism of working of plastics can be only done the working of plastics material returned that can directly release, work as production
When there is screw thread in product, current technology can only be using manual pickup, or drives ejecting mechanism using external power supply, by hand
Pickup mode is needed individually to set up motor in the case of using external power supply and matched somebody with somebody it cannot be guaranteed that product quality, inefficiency
The material returned is closed, while so adding die manufacturing cost, mould is also increased using the difficulty of process, it is necessary to individually operated electricity
Machine, it is ensured that the not taking-up of die sinking simultaneously to part, reduces speed of production.
The content of the invention
The present invention provides a kind of working of plastics shaping dies, to solve existing mould for plastics using manual feeding effect
The problem of rate is low, and complicated during using external power supply.
The present invention provides a kind of working of plastics shaping dies, including moving platen, die cavity, solid plate to achieve these goals,
Also include the ejecting mechanism being located between moving platen and solid plate, ejecting mechanism includes：Rack, its direction of motion along moving platen is consolidated
The side of the moving platen is scheduled on, the bottom of the rack is the movable end extended to the solid plate direction；First gear axle
Fixed mount, it is fixed on solid plate, the middle part of the first gear fixed mount it is horizontal be provided with guide hole；First gear axle,
Its middle part is movably installed in guide hole, and one end of the first gear axle is provided with sliding tooth, and the sliding tooth is meshed with rack
And rotated with the motion of moving platen；The other end of the first gear axle is provided with first bevel gear；Second gear axle, its bottom
Along being movably arranged on perpendicular to the direction of the first gear axle on the solid plate, the bottom of the second gear axle is provided with the
Two bevel gears, the second bevel gear is engaged with first bevel gear is converted into institute by the lateral rotation movement of the first gear axle
State longitudinal rotary motion of second gear axle；The top of the second gear axle is provided with the first spur gear；Retainer portion, it is located at institute
State between solid plate and the moving platen, the top of the second gear axle is movably installed in the bottom side in retainer portion；3rd gear shaft,
It is set parallel to the direction of the second bevel gear, and the bottom of the 3rd gear shaft is provided with the second spur gear, described second
Spur gear is engaged with first spur gear；The top of second spur gear is the free external part for stretching out retainer portion, is stretched
Go out end and be provided with the external screw thread matched with working of plastics bottom threaded portion.
Preferably, the external part is fixed in retainer portion by coordinating with the screw thread of threaded portion, second spur gear
Engage vacantly and with the first spur gear.
Preferably, the threaded portion is screw, and the top of the screw has stop flat.
Preferably, during matched moulds, there is gap between the bottom of rack and solid plate.
Preferably, retainer portion includes bearing baffle, retainer and the fixed plate set gradually from the bottom to top, in institute
State and bearing is provided with retainer, the top of the second gear axle is movably arranged in bearing baffle；The external part according to
It is secondary to pass through the bearing baffle, the bearing and the fixed plate.
Preferably, in moving platen with being provided with the pouring channel being connected in die cavity, the pouring channel is along perpendicular to fixation
The direction of plate is opened up, and the top of the fixed plate is just sold to the circle centre position of the pouring channel provided with shunting, the shunting pin
Top is the conical flow guiding face stretched into pouring channel.
Preferably, the range of the external part is the half of the second spur gear length.
Preferably, set and be movably arranged in the middle part of axle sleeve, first gear axle in axle sleeve in guide hole.
Effect of the invention is that：The power driven gear rackwork that the present invention is molded using mould is so as to complete screw thread
The release of working of plastics, working of plastics is pushed out while can completing mould die sinking, it is ensured that mould is reduced while speed of production
Tool uses difficulty, on the other hand also reduces the manufacturing cost of mould.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the axonometric drawing of working of plastics shaping dies in the embodiment of the present invention.
Fig. 2 is Fig. 1 sectional view.
Fig. 3 is the sectional view under working of plastics ejection state.
Fig. 4 is the structural representation of rack.
Fig. 5 is the axonometric drawing of first gear axle.
Fig. 6 is the axonometric drawing of second gear axle.
Fig. 7 is the axonometric drawing of the 3rd gear shaft.
In figure of the present invention：1- rack fixing bolt 2- rack 3- first gear axle 4- axle sleeve 5- first gears axle is consolidated
Determine frame 6- solid plates 7- the first conical tooth 8- the second conical tooth 9- second gear axle the first spur gears of 10- 11- second straight
The gear shaft 13- bearing baffle 14- bearing 15- retainer 16- fixing bolts 17- of gear 12- the 3rd shunting pins
18- die cavity 19- moving platen 20- moving platen fixing bolt 21- sprue bush 22- working of plastics 23- key 24- fixed plates 25-
External part
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
Referring to shown in Fig. 1 to Fig. 3, being a kind of working of plastics shaping dies provided in an embodiment of the present invention, including moving platen 19,
Die cavity 18, solid plate 6 and the ejecting mechanism being located between moving platen 19 and solid plate 6, in this programme, ejecting mechanism includes：
Rack 2, its direction of motion along moving platen 19 is fixed on the side of moving platen 19, and the bottom of rack 2 is to cover half
The movable end of the direction of plate 6 extension；Rack 2 is moved as drive division with the motion of moving platen 19, and then provides driving force, its
It is fixed on by rack fixing bolt 1 on moving platen.
First gear shaft holder 5, it is used for fixed support first gear axle 3, it is ensured that the rotation of first gear axle 3 is put down
Surely, first gear fixed mount 5 middle part it is horizontal be provided with guide hole.
First gear axle 3, as shown in figure 5, its middle part is movably installed in guide hole, one end of first gear axle 3 is provided with drive
Dynamic tooth, sliding tooth is meshed with rack 2 and rotated with the motion of moving platen 19；The other end of first gear axle 3 is provided with first
Bevel gear 7, sliding tooth 2 drives first bevel gear 7 to rotate, and then the second gear axle 8 that driving is connected with first bevel gear wheel 7,
First bevel gear 7 is fixed on first gear axle 3 in this programme by way of key 23 is connected.
Second gear axle 9, as shown in fig. 6, its bottom edge is movably arranged on solid plate perpendicular to the direction of first gear axle 3
Upper 6, the bottom of second gear axle 9 is provided with second bevel gear 8, and second bevel gear 8 is engaged with first bevel gear 7；Second gear axle 9
Top be provided with the first spur gear 10.Coordinated by two bevel gears, the transformation of the direction of motion is realized, by first gear axle 3
Lateral rotation movement be converted into longitudinal rotary motion of second gear axle, realize the transformation of the direction of motion.
Retainer portion, it is used for supporting plastic part, and it coordinates the die cavity on moving platen to complete the shaping to materials and parts.Second gear
The top of axle 9 is movably installed in the bottom side in retainer portion, and retainer portion is platy structure, and it act as the bottom that working of plastics is made, can
Cylindrical groove is set to realize its being flexibly connected with second gear shaft end in retainer portion bottom.
3rd gear shaft 12, as shown in fig. 7, it is set parallel to second bevel gear direction, the bottom of the 3rd gear shaft 12
Provided with the second spur gear 11, the second spur gear 11 is engaged with the first spur gear 10；The top of second spur gear 11 is freely to stretch
Go out the external part 25 in retainer portion, external part 25 is provided with the external screw thread matched with the bottom threaded portion of working of plastics 22.
After the completion of product is by injection molding, die sinking hour rack follows moving platen to move together, due to the tooth of rack 2 and first
Wheel shaft 3 is engaged, and drives first gear axle 3 to be rotated with first bevel gear 7, and the He of second gear axle 9 is driven further through second bevel gear 8
First spur gear 10 rotates, because the first spur gear 10 is engaged with the second spur gear 11, so that drive the second spur gear 11 to rotate,
Second spur gear 11 drives the external part 25 of the 3rd gear shaft 12 and its other end to be rotated in retainer portion, so that external part 25
Jack-up working of plastics 22, working of plastics 22 is with retainer part from by outside the ejection die of working of plastics 22.
In this programme, threaded portion is screw, and the top of screw has stop flat, to enable it to stop external part
25, and cause external part 25 to drive working of plastics 22 to move by stop flat.Certainly, stop flat can also be other sides such as pin
Formula realizes that it is acted on.Wherein, external part 25 is fixed in retainer portion by coordinating with the screw thread of threaded portion, and the second spur gear 11 hangs
Sky is simultaneously engaged with the first spur gear 10, it is ensured that the second spur gear 11 can be moved along the direction of motion of moving platen 19.
In addition, it is necessary to explanation, the engaging of rack 2 and first gear axle 3 not only play the gear shaft 12 of drive the 3rd and
The effect that materials and parts screw coordinates liftout is molded, during mould matched moulds, it also coordinates rack 2 so that the 3rd gear shaft 12 declines
Materials and parts, to avoid the 3rd gear shaft 12 in matched moulds, are produced interference by the effect of return.In the process, rack 2 is with moving platen
19 move and move, thus, in order to avoid rack and solid plate generation interference, during design, it should be ensured that during matched moulds, the bottom of rack 2
There is gap between end and solid plate 6.
Retainer portion specifically include in the present embodiment the bearing baffle 13 set gradually from the bottom to top, retainer 15 with
And fixed plate 24, bearing 14 is provided with retainer 15, the top of second gear axle 9 is movably arranged on bearing baffle 13
It is interior；External part sequentially passes through bearing baffle 13, bearing 14 and fixed plate 24, and wherein three is connected using fixing bolt 16.
In this programme, in moving platen 19 with being provided with the pouring channel being connected in die cavity 18, pouring channel is along perpendicular to solid
The direction of fixed board 24 is opened up, and the plastic material flowed through in pouring channel enters die cavity 18, die cavity 18 and moving platen through pouring channel
19 are connected by moving platen fixing bolt 20, wherein, in order to avoid material directly impacts fixed plate in the casting cycle of working of plastics 22
24, it is just logical to stretch into casting provided with pin 17, the top of shunting pin 17 is shunted to the circle centre position of pouring channel at the top of fixed plate
Conical flow guiding face in road.Play a part of shunting in conical flow guiding face.Certainly, sprue bush 21 can be also set in die cavity 18, its
Middle sprue bush 21 is located in pouring channel, for improving intensity of the pouring channel at die cavity 18.
During use, it should also ensure that the range of external part 25 is the half of the length of the second spur gear 11, to avoid
In use, the transition jack-up of the 3rd gear shaft 12 with the engagement place of the first spur gear 10 so as to separate.
Certainly, axle sleeve 4 can be also set in guide hole, to be movably arranged in the middle part of first gear axle in axle sleeve 4, made
First gear axle 3 can be rotated freely inside it, it is ensured that rotating effect.
The power driven gear rackwork that the present invention is molded using mould, can so as to complete the release of threaded plastic part
Working of plastics is pushed out while completing mould die sinking, it is ensured that mould is reduced while speed of production and uses difficulty, the opposing party
Face also reduces the manufacturing cost of mould.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (8)
1. a kind of working of plastics shaping dies, including moving platen, die cavity, solid plate, it is characterised in that also including be located at moving platen and
Ejecting mechanism between solid plate, ejecting mechanism includes：
Rack, its direction of motion along moving platen is fixed on the side of the moving platen, and the bottom of the rack is to described fixed
The movable end of template direction extension；
First gear shaft holder, it is fixed on solid plate, and at the middle part of the first gear fixed mount, horizontal being provided with is led
Hole；
First gear axle, its middle part is movably installed in guide hole, and one end of the first gear axle is provided with sliding tooth, the driving
Tooth is meshed with rack and rotated with the motion of moving platen；The other end of the first gear axle is provided with first bevel gear；
Second gear axle, its bottom is described along being movably arranged on perpendicular to the direction of the first gear axle on the solid plate
The bottom of second gear axle is provided with second bevel gear, and the second bevel gear is engaged with first bevel gear by the first gear axle
Lateral rotation movement be converted into longitudinal rotary motion of the second gear axle；The top of the second gear axle is provided with first
Spur gear；
Retainer portion, it is located between the solid plate and the moving platen, and the top of the second gear axle is movably installed in retainer
The bottom side in portion；
3rd gear shaft, it is set parallel to the direction of the second bevel gear, and the bottom of the 3rd gear shaft is provided with second
Spur gear, second spur gear is engaged with first spur gear；Support is stretched out in the top of second spur gear to be free
The external part in material portion, external part is provided with the external screw thread matched with working of plastics bottom threaded portion.
2. working of plastics shaping dies as claimed in claim 1, it is characterised in that the external part passes through the screw thread with threaded portion
Cooperation is fixed in retainer portion, and second spur gear is hanging and is engaged with the first spur gear.
3. working of plastics shaping dies as claimed in claim 1, it is characterised in that the threaded portion is screw, the screw
Top has stop flat.
4. the working of plastics shaping dies as described in claim any one of 1-3, it is characterised in that during matched moulds, the bottom of rack with
There is gap between solid plate.
5. working of plastics shaping dies as claimed in claim 4, it is characterised in that retainer portion includes what is set gradually from the bottom to top
Bearing baffle, retainer and fixed plate, are provided with bearing, the top of the second gear axle in the retainer
It is movably arranged in bearing baffle；The external part sequentially passes through the bearing baffle, the bearing and the fixed plate.
6. working of plastics shaping dies as claimed in claim 5, it is characterised in that in moving platen with being provided with what is be connected in die cavity
Pouring channel, the pouring channel perpendicular to the direction of fixed plate along opening up, and the top of the fixed plate is just logical to the casting
The circle centre position in road is sold provided with shunting, and the top of the shunting pin is the conical flow guiding face stretched into pouring channel.
7. working of plastics shaping dies as claimed in claim 1, it is characterised in that the range of the external part is second straight
The half of gear length.
8. working of plastics shaping dies as claimed in claim 7, it is characterised in that axle sleeve, first gear are provided with guide hole
It is movably arranged in the middle part of axle in axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530202.0A CN107186977B (en) | 2017-06-30 | 2017-06-30 | Plastic part shaping dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530202.0A CN107186977B (en) | 2017-06-30 | 2017-06-30 | Plastic part shaping dies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186977A true CN107186977A (en) | 2017-09-22 |
| CN107186977B CN107186977B (en) | 2019-06-28 |
Family
ID=59880638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710530202.0A Expired - Fee Related CN107186977B (en) | 2017-06-30 | 2017-06-30 | Plastic part shaping dies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186977B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515160A (en) * | 2018-04-04 | 2018-09-11 | 王华银 | A kind of casting mould of the part with positive/negative thread hole |
| CN108656233A (en) * | 2018-03-30 | 2018-10-16 | 湖州虹君机械有限公司 | A kind of dowel hole structure |
| CN112223659A (en) * | 2020-09-19 | 2021-01-15 | 上海莎安精密注塑有限公司 | Injection mold for gear piece convenient to die sinking |
| CN114474595A (en) * | 2022-02-14 | 2022-05-13 | 温州市凯萌鞋材有限公司 | Shoe material surface forming die frame with replaceable die core |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060019287A (en) * | 2004-08-27 | 2006-03-03 | 김옥순 | An equipment for injection molding |
| CN103223716A (en) * | 2013-04-27 | 2013-07-31 | 永高股份有限公司 | Injection-molding mould rotary-type-core de-molding mechanism |
| CN104802375A (en) * | 2015-04-02 | 2015-07-29 | 苏州华徕光电仪器有限公司 | Thread demoulding mechanism for demoulding |
-
2017
- 2017-06-30 CN CN201710530202.0A patent/CN107186977B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060019287A (en) * | 2004-08-27 | 2006-03-03 | 김옥순 | An equipment for injection molding |
| CN103223716A (en) * | 2013-04-27 | 2013-07-31 | 永高股份有限公司 | Injection-molding mould rotary-type-core de-molding mechanism |
| CN104802375A (en) * | 2015-04-02 | 2015-07-29 | 苏州华徕光电仪器有限公司 | Thread demoulding mechanism for demoulding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108656233A (en) * | 2018-03-30 | 2018-10-16 | 湖州虹君机械有限公司 | A kind of dowel hole structure |
| CN108515160A (en) * | 2018-04-04 | 2018-09-11 | 王华银 | A kind of casting mould of the part with positive/negative thread hole |
| CN112223659A (en) * | 2020-09-19 | 2021-01-15 | 上海莎安精密注塑有限公司 | Injection mold for gear piece convenient to die sinking |
| CN114474595A (en) * | 2022-02-14 | 2022-05-13 | 温州市凯萌鞋材有限公司 | Shoe material surface forming die frame with replaceable die core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107186977B (en) | 2019-06-28 |
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Granted publication date: 20190628 |