CN107662314A - 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
- CN107662314A CN107662314A CN201710983830.4A CN201710983830A CN107662314A CN 107662314 A CN107662314 A CN 107662314A CN 201710983830 A CN201710983830 A CN 201710983830A CN 107662314 A CN107662314 A CN 107662314A
- Authority
- CN
- China
- Prior art keywords
- plate
- cavity plate
- dynamic model
- core
- cover half
- 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.)
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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
- B29C45/2618—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
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 full-automatic demoulding mould of Plastic Parts with Inner Thread, including cover half cavity plate, dynamic model cavity plate, the die joint of plastic is provided between cover half cavity plate and dynamic model cavity plate, dynamic model cavity plate lower surface connection backing plate, backing plate lower section is provided with dynamic seat board；Reservation plate top is provided with sprue bush, and die joint is provided with sprue, and sprue is connected with product chamber, and product intracavitary is provided with thread core；Thread core is through dynamic model cavity plate and extends in backing plate, and hydraulic motor is provided with the dynamic seat board, and thread core lower end is connected by transmission mechanism with hydraulic motor, the rotation of fluid motor-driven thread core.Hydraulic motor is placed among backing plate and dynamic mould fixing plate by the present invention, saves die space, low to injection machine tonnage demand.Drive multiple driven gears to be stripped using driving gear, die cavity can fully be designed according to templatespace.Ensure 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 mould of Plastic Parts with Inner Thread.
Background technology
Mould is manufacturing important process basis, as mould 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
Ask.Particularly internal thread rotation stripper member urgent need is further developed perfect.Threaded connection is extensive as a kind of important connected mode
Applied in mold injection product, internal thread rotation stripper member enter core and the length of core pulling time directly affects the production of mould
Efficiency.
Patent publication No. CN104149292A discloses a kind of injection mold structure for thread plastic part fast demoulding, main
To include solid plate, moving platen, backing plate and one group of back-out mechanism, screw out mechanism and use fluid motor-driven, hydraulic motor
Drive master gear to rotate, drive driven gear to rotate, connect being screwed out with externally threaded ejector sleeve for driven gear and realize plastic
Fast demoulding.Precompressed spring is provided between moving platen and backing plate, one end of ejector sleeve set is secured on the ejector retainner plate, another
End abuts is used for ejecting product on product after moulding.But the arrangement of hydraulic motor is unreasonable in the invention, Wu Fachong
Divide the space using mould, while plastic is ejected by the way of push rod adds push pedal, ejecting mechanism is not direct enough.
Utility model Authorization Notice No. CN202826286U discloses a kind of injection mold internal thread automatic demoulding mechanism, note
Mould internal thread automatic demoulding mechanism, including cope plate and lower template, connect stripper plate under cope plate, connecting-type under stripper plate
Chamber, backing plate is installed in lower template, bearing (setting) plate is installed on backing plate, stripper plate is installed on bearing (setting) plate, connection is solid on backing plate
Sizing core, fixed core peripheral hardware put rotating core, and big sprocket wheel and pad, bearing (setting) plate outside setting oil are installed outside rotating core
Motor mount, oil motor is installed in oil motor mounting seat, minor sprocket is installed in the rotating 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 drive device is also beyond single setting mould, is caused
Mould overall volume is larger, and equipment manufacturing costs and comprehensive utilization ratio are relatively low.
Easily there is the phenomenon that rack-and-pinion is hit during work in common rack-and-pinion threaded demoulding mechanism,
And limited by template, die cavity number can not be done too much, while bevel gear making is more difficult.Existing Mould of Automatic Separating for Thread technology
Plastic is released using push rod, pushing block or push pedal more, pulls out material head with pulling hook, mould structure is complicated, and space can not make full use of.
The content of the invention
The purpose of the present invention is a kind of full-automatic demoulding mould of Plastic Parts with Inner Thread of design.
For achieving the above object, the technical scheme is that：A kind of full-automatic demoulding mould of Plastic Parts with Inner Thread, bag
Include cover half cavity plate, dynamic model cavity plate, cover half cavity plate above dynamic model cavity plate, cover half cavity plate and dynamic model cavity plate it
Between be provided with plastic die joint, the cover half cavity plate upper surface is provided with reservation plate, the dynamic model cavity plate lower surface connection gasket
Plate, backing plate lower section are provided 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；
The reservation plate top is provided with sprue bush, and sprue bush is worn downwards to the die joint of cover half cavity plate lower surface, die joint
Sprue is provided with, sprue is connected with the main running channel of sprue bush, and sprue is connected with least one product chamber, and product intracavitary is set
There is thread core；Thread core is through dynamic model cavity plate and extends in backing plate, and hydraulic motor is provided with the dynamic seat board, described
Thread core lower end is connected by transmission mechanism with hydraulic motor, the rotation of fluid motor-driven thread core；
The flexible material-pulling device of sprue bush bottom peripheral hardware；The dynamic model cavity plate is provided with the pass core for stretching into product chamber,
Pass core is located at thread core side, and the cover half cavity plate is provided with pilot hole, and the dynamic model cavity plate is provided with guide finger,
The guide finger coordinates the positioning for realizing cover half cavity plate and dynamic model cavity plate with pilot hole.
The dynamic model cavity plate lower surface is provided with shoulder hole, and the cascaded surface of shoulder hole is provided with pass core mounting hole, described
Pass core is arranged in pass core mounting hole, radial bearing is provided with the shoulder hole, pass core is fixed by radial bearing
Closure；The backing plate upper surface offers drive cavity, and drive cavity bottom is provided with radial thrust bearing, radial thrust bearing with it is described
Radial bearing is coaxially disposed, and the thread core is 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 are provided with driven gear, the driving gear and driven gear engaged transmission.
The product chamber is provided with four, and circumferentially distributed and communicated respectively with sprue, each product intracavitary is respectively equipped with
One thread core, the driving gear engage with four driven gears simultaneously, and driving gear drives four driven gear synchronizations
Rotate.
The dynamic seat board includes bottom plate, hydraulic motor described in backplanes support, is additionally provided with supporting part on bottom plate, supporting part is uniform
It is distributed in around hydraulic motor, supporting part top is connected to the backing plate lower surface, and the bottom plate, connecting portion, backing plate pass through length
Bolt is fixedly connected.
The beneficial effects of the invention are as follows：
1st, hydraulic motor is placed among backing plate and dynamic mould fixing plate, saves die space, reduce cost, to injection machine ton
Position requires low, has greater advantage.
2nd, drive multiple driven gears to be stripped using driving gear, die cavity can fully be designed according to templatespace.
3rd, hydraulic motor is placed in the position of former push rod and pulling hook, separately ensures that plastic screws out automatically using rotation preventive mechanism,
Material head is released using spring, adjusts, is easy to maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is top view cross section structural representation of the present invention.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below in conjunction with accompanying drawing.
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 located at the top of dynamic model cavity plate 2, the die joint 3 provided with plastic between cover half cavity plate 1 and dynamic model cavity plate 2,
The upper surface of cover half cavity plate 1 is provided with reservation plate 4, the lower surface connection backing plate 5 of dynamic model cavity plate 2, and the lower section of backing plate 5 is provided with
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 solid successively
Fixed connection.
The top of reservation plate 4 is provided with sprue bush 7, and sprue bush 7 is worn to the die joint of the lower surface of cover half cavity plate 1 downwards
3, die joint 3 is provided with sprue 8, and sprue 8 connects with the main running channel 9 of sprue bush 7, and sprue 8 is connected with four product chambers
10, a thread core 11 is respectively equipped with each product chamber 10；The end of thread core 11 is through dynamic model cavity plate 2 and extends to
In backing plate 5.The flexible material-pulling device 27 of the bottom peripheral hardware of sprue bush 7, the ejection for material head.
In order to improve production efficiency and utilization rate of equipment and installations, the form of a multi-cavity mold, this hair are all used in general mould
It is bright to realize that a cavity per mould or a mould are more completely using the common chamber of a mould four, but with regard to the mentality of designing of the present invention, the present invention
The injection requirement of chamber.
The dynamic model cavity plate 2 is provided with the pass core 18 for stretching into product chamber 10, and pass core 18 is located at thread core 11 1
Side, the lower surface of dynamic model cavity plate 2 are provided with shoulder hole 19, and the cascaded surface of shoulder hole 19 is provided with pass core mounting hole 20, the hole
Core 18 is arranged in pass core mounting hole 20.Radial bearing 21 is installed, pass core 18 is by centripetal in the shoulder hole 19
Bearing 20 fixes closure.Circumferential restraining force using pass core 18 to product, as product rotation stop device when being stripped.
The upper surface of backing plate 5 offers drive cavity 22, and the bottom of drive cavity 22 is provided with radial thrust bearing 23, centripetal thrust force
Bearing 23 is coaxially disposed with the radial bearing 21, and the thread core 11 is pacified by radial bearing 21 and radial thrust bearing 23
Dress, radial bearing 21 are used for the radial load for bearing thread core 11, avoid thread core 11 and dynamic model cavity plate direct friction, to
Heart thrust bearing 23, in addition to it can bear radial load, 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 plate 24.
The cover half cavity plate 1 is provided with pilot hole 25, and the dynamic model cavity plate 2 is provided with guide finger 26, the guiding
Pin 26 coordinates the positioning for realizing cover half cavity plate 1 and dynamic model cavity plate 2 with pilot hole 25.
Hydraulic motor 12 is provided with the dynamic seat board 6.The dynamic seat board 6 includes bottom plate 15, and bottom plate 15 supports the hydraulic pressure
Motor 12, supporting part 16 is additionally provided with bottom plate 15, supporting part 16 is evenly distributed on around hydraulic motor 12, and the top of supporting part 16 connects
The lower surface of backing plate 5 is connected on, the bottom plate, connecting portion, 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
The bottom of thread core 11 is provided with driven gear 17, the driving gear 14 and the engaged transmission of driven gear 17, driving gear 14
17 are engaged with four driven gears simultaneously, driving gear 14 drives four synchronous axial systems of driven gear 17, 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 machine module, realize to de-
Mould screws out the control of speed.
Described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Claims (5)
1. a kind of full-automatic demoulding mould of Plastic Parts with Inner Thread, it is characterised in that including cover half cavity plate, dynamic model cavity plate, cover half
Cavity plate is provided with the die joint of plastic, the cover half above dynamic model cavity plate between cover half cavity plate and dynamic model cavity plate
Cavity plate upper surface is provided with reservation plate, the dynamic model cavity plate lower surface connection backing plate, and backing plate lower section is provided 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；
The reservation plate top is provided with sprue bush, and sprue bush is worn downwards to the die joint of cover half cavity plate lower surface, die joint
Sprue is provided with, sprue is connected with the main running channel of sprue bush, and sprue is connected with least one product chamber, and product intracavitary is set
There is thread core；Thread core is through dynamic model cavity plate and extends in backing plate, and hydraulic motor is provided with the dynamic seat board, described
Thread core lower end is connected by transmission mechanism with hydraulic motor, the rotation of fluid motor-driven thread core；
The flexible material-pulling device of sprue bush bottom peripheral hardware；The dynamic model cavity plate is provided with the pass core for stretching into product chamber,
Pass core is located at thread core side, and the cover half cavity plate is provided with pilot hole, and the dynamic model cavity plate is provided with guide finger,
The guide finger coordinates the positioning for realizing cover half cavity plate and dynamic model cavity plate with pilot hole.
2. the full-automatic demoulding mould of Plastic Parts with Inner Thread according to claim 1, it is characterised in that under the dynamic model cavity plate
End face is provided with shoulder hole, and the cascaded surface of shoulder hole is provided with pass core mounting hole, and the pass core is arranged on pass core mounting hole
It is interior, radial bearing is installed, pass core is fixed by radial bearing and blocked in the shoulder hole；The backing plate upper surface offers
Drive cavity, drive cavity bottom are provided with radial thrust bearing, and radial thrust bearing is coaxially disposed with the radial bearing, the screw thread
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 seals.
3. the full-automatic demoulding mould of Plastic Parts with Inner Thread according to claim 1, it is characterised in that the hydraulic motor is vertical
Set, straight up, driving gear, the thread core bottom installation are installed in end to power output shaft on the power output shaft
There are driven gear, the driving gear and driven gear engaged transmission.
4. according to any described full-automatic demoulding moulds of Plastic Parts with Inner Thread of claim 1-3, it is characterised in that the product chamber
Circumferentially distributed and communicated respectively with sprue provided with four, each product intracavitary is respectively equipped with a thread core, the master
Moving gear engages with four driven gears simultaneously, and driving gear drives four driven gear synchronous axial systems.
5. the full-automatic demoulding mould of Plastic Parts with Inner Thread according to claim 1, it is characterised in that the dynamic seat board includes bottom
Plate, hydraulic motor described in backplanes support, supporting part is additionally provided with bottom plate, supporting part is evenly distributed on around hydraulic motor, support
Portion top is connected to the backing plate lower surface, and the bottom plate, connecting 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 true CN107662314A (en) | 2018-02-06 |
| CN107662314B CN107662314B (en) | 2019-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Country | Link |
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| CN (1) | CN107662314B (en) |
Cited By (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 |
| CN111844638A (en) * | 2020-07-16 | 2020-10-30 | 贾桂生 | 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 |
Cited By (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 |
| CN111844638A (en) * | 2020-07-16 | 2020-10-30 | 贾桂生 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107662314B (en) | 2019-05-28 |
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