CN107662314B - A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread - Google Patents
A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread Download PDFInfo
- Publication number
- CN107662314B CN107662314B CN201710983830.4A CN201710983830A CN107662314B CN 107662314 B CN107662314 B CN 107662314B CN 201710983830 A CN201710983830 A CN 201710983830A CN 107662314 B CN107662314 B CN 107662314B
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- China
- Prior art keywords
- plate
- cavity plate
- dynamic model
- core
- hydraulic motor
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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
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
-
- 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
- B29C45/1759—Removing sprues from sprue-channels
-
- 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
- B29C45/2681—Moulds with rotatable mould parts
-
- 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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
Abstract
The invention discloses a kind of full-automatic demoulding moulds of Plastic Parts with Inner Thread, including cover half cavity plate, dynamic model cavity plate, and the die joint of plastic, dynamic model cavity plate lower end surface connection backing plate are equipped between cover half cavity plate and dynamic model cavity plate, and backing plate lower section is equipped with dynamic seat board；Reservation plate top is provided with sprue bush, and die joint is equipped with sprue, and sprue is connected with product chamber, and product is intracavitary to be equipped with thread core；Thread core is through dynamic model cavity plate and extends in backing plate, and hydraulic motor is equipped in the dynamic seat board, and thread core lower end is connected by transmission mechanism with hydraulic motor, and hydraulic motor drives thread core rotation.Hydraulic motor is placed among backing plate and dynamic mould fixing plate by the present invention, saves die space, low to injection molding machine tonnage demand.Multiple driven gears are driven to be demoulded using driving gear, it can be according to the abundant design mode chamber of templatespace.Guarantee that plastic screws out automatically using rotation preventive mechanism, material head is released using spring, adjusts, is easy to maintenance.
Description
Technical field
The present invention relates to injection molding field more particularly to a kind of full-automatic demoulding moulds of Plastic Parts with Inner Thread.
Background technique
Mold is manufacturing important process basis, as mold paces in line with international standards in China's are constantly accelerated, market
Competition increasingly sharpens, and people propose higher want to the quality, production efficiency and die life of mold injection product
It asks.Especially internal thread rotation release mold urgent need is further developed perfect.It is threadedly coupled extensive as a kind of important connection type
Applied in mold injection product, internal thread rotation release mold enter core and the length of core pulling time directly affects the production of mold
Efficiency.
Patent publication No. CN104149292A discloses a kind of injection mold structure for thread plastic part fast demoulding, main
To include solid plate, moving template, backing plate and one group of back-out mechanism, screw out mechanism and driven using hydraulic motor, hydraulic motor
Master gear rotation is driven, driven gear rotation is driven, screwing out with externally threaded ejector sleeve for driven gear is connected and realizes plastic
Fast demoulding.Precompressed spring is equipped between moving template and backing plate, one end of ejector sleeve set is secured on the ejector retainner plate, another
End is connected on product formed after injection molding for ejecting product.But the arrangement of hydraulic motor is unreasonable in the invention, Wu Fachong
Divide the space using mold, while ejecting plastic in such a way that push rod adds push plate, ejecting mechanism is not direct enough.
Utility model Authorization Notice No. CN202826286U discloses a kind of injection mold internal screw thread automatic demoulding mechanism, note
Mould internal screw thread automatic demoulding mechanism, including cope plate and lower template connect stripper plate, connecting-type under stripper plate under cope plate
Chamber installs backing plate in lower template, bearing (setting) plate is installed on backing plate, and stripper plate is installed on bearing (setting) plate, and connection is solid on backing plate
Rotating core is arranged in sizing core, fixed core outside, and big sprocket wheel and gasket are installed outside rotating core, is arranged on the outside of bearing (setting) plate oily
Motor mount installs oil motor in oil motor mounting base, installs minor sprocket in the shaft of oil motor, minor sprocket and big sprocket wheel it
Between by chain drive, stripper plate has the spring of jack-up.The utility model driving device is also to cause other than individual setting mold
Mold overall volume is larger, and equipment manufacturing costs and comprehensive utilization ratio are lower.
Common rack-and-pinion threaded demoulding mechanism is easy to appear the phenomenon that rack-and-pinion is hit in the process of work,
And it is limited by template, type chamber number cannot be done too much, while bevel gear making is more difficult.Existing Mould of Automatic Separating for Thread technology
It mostly uses mandril, pushing block or push plate to release plastic, pulls out material head with pulling hook, mould structure is complicated, and space is unable to fully utilize.
Summary of the invention
The purpose of the present invention is design a kind of full-automatic demoulding mould of Plastic Parts with Inner Thread.
For achieving the above object, the technical scheme is that a kind of full-automatic demoulding mould of Plastic Parts with Inner Thread, packet
Include cover half cavity plate, dynamic model cavity plate, cover half cavity plate is set to above dynamic model cavity plate, cover half cavity plate and dynamic model cavity plate it
Between be equipped with plastic die joint, cover half cavity plate upper surface be equipped with reservation plate, dynamic model cavity plate lower end surface connection gasket
Plate, backing plate lower section are equipped with dynamic seat board, and the reservation plate is fixedly connected with cover half cavity plate, the dynamic model cavity plate, backing plate, dynamic seat
Plate is fixedly connected sequentially；
Reservation plate top is provided with sprue bush, and sprue bush is worn downwards to the die joint of cover half cavity plate lower end surface, point
Type face is equipped with sprue, and sprue is connected to the main running channel of sprue bush, and sprue is connected at least one product chamber, product chamber
It is interior to be equipped with thread core；Thread core is through dynamic model cavity plate and extends in backing plate, and hydraulic motor is equipped in the dynamic seat board,
The thread core lower end is connected by transmission mechanism with hydraulic motor, and hydraulic motor drives thread core rotation；
The flexible material-pulling device of sprue bush bottom peripheral hardware；The dynamic model cavity plate is equipped with the pass for protruding into product chamber
Core, pass core are set to thread core side, and the cover half cavity plate is equipped with pilot hole, and the dynamic model cavity plate is equipped with guiding
The positioning of cover half cavity plate and dynamic model cavity plate is realized in pin, the guide pin and pilot hole cooperation.
Dynamic model cavity plate lower end surface is equipped with stepped hole, and the cascaded surface of stepped hole is equipped with pass core mounting hole, described
Pass core is mounted in pass core mounting hole, and radial bearing is equipped in the stepped hole, and pass core is fixed by radial bearing
It blocks；The backing plate upper surface offers drive cavity, and drive cavity bottom is equipped with radial thrust bearing, radial thrust bearing with it is described
Radial bearing coaxial arrangement, the thread core are installed by radial bearing and radial thrust bearing, and the transmission mechanism is located at
In drive cavity, the drive cavity passes through cover plate for sealing.
The hydraulic motor is vertically arranged, and power output shaft straight up, install actively on the power output shaft by end
Gear, the thread core bottom end are equipped with driven gear, the driving gear and driven gear engaged transmission.
Circumferentially distributed and communicate respectively with sprue there are four the product chamber is set, each product is intracavitary to be respectively equipped with
One thread core, the driving gear are engaged with four driven gears simultaneously, and driving gear drives four driven gears synchronous
Rotation.
The dynamic seat board includes bottom plate, hydraulic motor described in backplanes support, is additionally provided with support portion on bottom plate, support portion is uniform
It is distributed in around hydraulic motor, support portion top is connected to the backing plate lower end surface, and the bottom plate, interconnecting piece, backing plate pass through length
Bolt is fixedly connected.
The beneficial effects of the present invention are:
1, hydraulic motor is placed among backing plate and dynamic mould fixing plate, saves die space, reduce cost, to injection molding
Machine tonnage demand is low, has greater advantage.
2, multiple driven gears are driven to be demoulded using driving gear, it can be according to the abundant design mode chamber of templatespace.
3, hydraulic motor is placed in the position of former push rod and pulling hook, separately guarantees that plastic screws out automatically using rotation preventive mechanism,
Material head is released using spring, adjusts, is easy to maintenance.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is top view cross section structural schematic diagram of the present invention.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figure 1, 2, the full-automatic demoulding mould of a kind of Plastic Parts with Inner Thread, including cover half cavity plate 1, dynamic model cavity plate 2,
Cover half cavity plate 1 is set to 2 top of dynamic model cavity plate, and the die joint 3 of plastic is equipped between cover half cavity plate 1 and dynamic model cavity plate 2,
1 upper surface of cover half cavity plate is equipped with reservation plate 4, and the 2 lower end surface connection backing plate 5 of dynamic model cavity plate is equipped with below backing plate 5
Dynamic seat board 6, the reservation plate 4 are fixedly connected with cover half cavity plate 1, and the dynamic model cavity plate 2, backing plate 5, dynamic seat board 6 are successively solid
Fixed connection.
4 top of reservation plate is provided with sprue bush 7, and sprue bush 7 is worn to the die joint of 1 lower end surface of cover half cavity plate downwards
3, die joint 3 is equipped with sprue 8, and sprue 8 is connected to the main running channel 9 of sprue bush 7, and there are four product chambers for the connection of sprue 8
10, a thread core 11 is respectively equipped in each product chamber 10；11 end of thread core is through dynamic model cavity plate 2 and extends to
In backing plate 5.The flexible material-pulling device 27 of the 7 bottom peripheral hardware of sprue bush, the ejection for material head.
In order to improve the production efficiency and utilization rate of equipment and installations, the form of a multi-cavity mold, this hair are all used in general mold
As soon as it is bright using common four chamber of mould, but mentality of designing of the invention, a cavity per mould may be implemented in the present invention completely or a mould is more
The injection molding requirement of chamber.
The dynamic model cavity plate 2 is equipped with the pass core 18 for protruding into product chamber 10, and pass core 18 is set to thread core 11 1
Side, 2 lower end surface of dynamic model cavity plate are equipped with stepped hole 19, and the cascaded surface of stepped hole 19 is equipped with pass core mounting hole 20, the hole
Type core 18 is mounted in pass core mounting hole 20.Radial bearing 21 is installed, pass core 18 passes through centripetal in the stepped hole 19
Bearing 20 is fixed to be blocked.Product rotation stop device using pass core 18 to the circumferential restraining force of product, when as demoulding.
5 upper surface of backing plate offers drive cavity 22, and 22 bottom of drive cavity is equipped with radial thrust bearing 23, centripetal thrust force
Bearing 23 and the radial bearing 21 are coaxially disposed, and the thread core 11 is pacified by radial bearing 21 and radial thrust bearing 23
Dress, radial bearing 21 are used to bear the radial force of thread core 11, avoid thread core 11 and dynamic model cavity plate direct friction, to
Heart thrust bearing 23, other than it can bear radial force, moreover it is possible to bear the axial thrust of thread core 11 in injection moulding process.The biography
Motivation structure is located in drive cavity 22, and the drive cavity 22 is sealed by cover board 24.
The cover half cavity plate 1 is equipped with pilot hole 25, and the dynamic model cavity plate 2 is equipped with guide pin 26, the guiding
The positioning of cover half cavity plate 1 and dynamic model cavity plate 2 is realized in pin 26 and the cooperation of pilot hole 25.
Hydraulic motor 12 is equipped in the dynamic seat board 6.The dynamic seat board 6 includes bottom plate 15, and bottom plate 15 supports described hydraulic
Motor 12 is additionally provided with support portion 16 on bottom plate 15, and support portion 16 is evenly distributed on around hydraulic motor 12, and 16 top of support portion connects
It connects in 5 lower end surface of backing plate, the bottom plate, interconnecting piece, backing plate are fixedly connected by stay bolt.The hydraulic motor 12 is the bottom of at
It is vertically arranged on plate 15, straight up, driving gear 14 is installed in end to power output shaft 13 on the power output shaft 13.It is described
11 bottom end of thread core is equipped with driven gear 17, the driving gear 14 and 17 engaged transmission of driven gear, driving gear 14
17 are engaged with four driven gears simultaneously, driving gear 14 drives four driven gears 17 to rotate synchronously, and hydraulic motor 12 drives
Thread core 11 rotates.
Using hydraulic motor 12 as demoulding driving force, hydraulic motor 12 drives driving gear 14, main for the demoulding of the invention
Moving gear 14 drives driven gear 17, and driven gear 17 drives thread core 11 to rotate, real under the rotation stop effect of pass core 18
Existing Plastic Parts with Inner Thread automatic demoulding.Hydraulic motor 12 directly can realize Hydraulic Adjustable Speed by the control of injection molding machine module, realize to de-
The control of mould back-out speed.
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Claims (4)
1. a kind of full-automatic demoulding mould of Plastic Parts with Inner Thread, which is characterized in that including cover half cavity plate, dynamic model cavity plate, cover half
Cavity plate is set to above dynamic model cavity plate, and the die joint of plastic, the cover half are equipped between cover half cavity plate and dynamic model cavity plate
Cavity plate upper surface is equipped with reservation plate, dynamic model cavity plate lower end surface connection backing plate, and backing plate lower section is equipped with dynamic seat board, described fixed
Seat board is fixedly connected with cover half cavity plate, and the dynamic model cavity plate, backing plate, dynamic seat board are fixedly connected sequentially；
Reservation plate top is provided with sprue bush, and sprue bush is worn downwards to the die joint of cover half cavity plate lower end surface, die joint
It is equipped with sprue, sprue is connected to the main running channel of sprue bush, and sprue is connected at least one product chamber, and product is intracavitary to be set
There is thread core；Thread core is through dynamic model cavity plate and extends in backing plate, and hydraulic motor is equipped in the dynamic seat board, described
Thread core lower end is connected by transmission mechanism with hydraulic motor, and hydraulic motor drives thread core rotation；The hydraulic motor
It is vertically arranged, straight up, driving gear, the thread core bottom end are installed in end to power output shaft on the power output shaft
Driven gear, the driving gear and driven gear engaged transmission are installed；
The flexible material-pulling device of sprue bush bottom peripheral hardware；The dynamic model cavity plate is equipped with the pass core for protruding into product chamber,
Pass core is set to thread core side, product rotation stop device of the pass core to the circumferential restraining force of product, when as demoulding；It is described
Cover half cavity plate is equipped with pilot hole, and the dynamic model cavity plate is equipped with guide pin, and the guide pin and pilot hole cooperation are realized
The positioning of cover half cavity plate and dynamic model cavity plate.
2. the full-automatic demoulding mould of Plastic Parts with Inner Thread according to claim 1, which is characterized in that under the dynamic model cavity plate
End face is equipped with stepped hole, and the cascaded surface of stepped hole is equipped with pass core mounting hole, and the pass core is mounted on pass core mounting hole
It is interior, radial bearing is installed, pass core is blocked by the way that radial bearing is fixed in the stepped hole；The backing plate upper surface offers
Drive cavity, drive cavity bottom are equipped with radial thrust bearing, and radial thrust bearing and the radial bearing are coaxially disposed, the screw thread
Type core is installed by radial bearing and radial thrust bearing, and the transmission mechanism is located in drive cavity, and the drive cavity passes through lid
Plate sealing.
3. the full-automatic demoulding mould of Plastic Parts with Inner Thread according to claim 1 to 2, which is characterized in that the product chamber
Circumferentially distributed and communicate respectively with sprue there are four if, each product is intracavitary to be respectively equipped with a thread core, the master
Moving gear is engaged with four driven gears simultaneously, and driving gear drives four driven gears to rotate synchronously.
4. the full-automatic demoulding mould of Plastic Parts with Inner Thread according to claim 1, which is characterized in that the dynamic seat board includes bottom
Plate, hydraulic motor described in backplanes support are additionally provided with support portion on bottom plate, and support portion is evenly distributed on around hydraulic motor, support
Portion top is connected to the backing plate lower end surface, and the bottom plate, support portion, backing plate are fixedly connected by stay bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983830.4A CN107662314B (en) | 2017-10-20 | 2017-10-20 | A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983830.4A CN107662314B (en) | 2017-10-20 | 2017-10-20 | A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107662314A CN107662314A (en) | 2018-02-06 |
| CN107662314B true CN107662314B (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710983830.4A Active CN107662314B (en) | 2017-10-20 | 2017-10-20 | A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246981A (en) * | 2018-03-15 | 2018-07-06 | 宁波兰迪汽配工业有限公司 | A kind of gear motor mold |
| CN109130106A (en) * | 2018-08-14 | 2019-01-04 | 联塑科技发展(武汉)有限公司 | A kind of PVC electrical casing pipe-pipe joint body product automatic dropping device |
| CN111844638B (en) * | 2020-07-16 | 2021-12-07 | 宁波永金汽车部件有限公司 | Injection mold based on internal thread injection molding is used |
| CN112297365A (en) * | 2020-10-19 | 2021-02-02 | 宁波方正汽车部件有限公司 | Automatic demoulding structure for screw thread |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203185581U (en) * | 2012-12-29 | 2013-09-11 | 牟维军 | Automatic thread demolding mold mechanism |
| CN204149469U (en) * | 2014-08-06 | 2015-02-11 | 台州市卓信塑业有限公司 | The mould emptier of butterfly loose joint injection mold |
| CN207388179U (en) * | 2017-10-20 | 2018-05-22 | 福州大学 | A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread |
-
2017
- 2017-10-20 CN CN201710983830.4A patent/CN107662314B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203185581U (en) * | 2012-12-29 | 2013-09-11 | 牟维军 | Automatic thread demolding mold mechanism |
| CN204149469U (en) * | 2014-08-06 | 2015-02-11 | 台州市卓信塑业有限公司 | The mould emptier of butterfly loose joint injection mold |
| CN207388179U (en) * | 2017-10-20 | 2018-05-22 | 福州大学 | A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread |
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| Publication number | Publication date |
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| CN107662314A (en) | 2018-02-06 |
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