CN108247959A - A kind of injection mold for production sewage treatment pipe - Google Patents
A kind of injection mold for production sewage treatment pipe Download PDFInfo
- Publication number
- CN108247959A CN108247959A CN201810176800.7A CN201810176800A CN108247959A CN 108247959 A CN108247959 A CN 108247959A CN 201810176800 A CN201810176800 A CN 201810176800A CN 108247959 A CN108247959 A CN 108247959A
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- CN
- China
- Prior art keywords
- worm
- thread
- gear
- mold
- core
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- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of injection mold for production sewage treatment pipe, including central worm drive type gear Leave out thread mechanism, including thread core runner assembly and worm drive component；Central worm drive type gear Leave out thread mechanism technical problem to be solved is that the small space in multi-cavity Leave out thread mold gear Leave out thread mechanism is not fully utilized, the cost that single mode manufactures is caused to increase, advantage is for the technical issues of thread core runner assembly component solution：Package power is larger is difficult to the problem of coming off for the internal thread demoulding of product, and the advantageous effect reached is：The demoulding of screw thread is detached from by thread core rotation, and the demoulding of product then releases demoulding by the ejector sleeve of mandril and screw thread outer circle, and for screw thread without deformation, stripping action is reliable.
Description
Technical field
The present invention relates to the technical fields of mold, specially a kind of injection mold for production sewage treatment pipe.
Background technology
In sewage treating tube manufacturing process, usually it is manufactured using injection mold, and in the Leave out thread of injection mold
In mechanism, if die space structure is taken off than narrow, and during product multimode cavity in need layout using rack drives
One meeting of screw thread increases the structure size of mold, another needs more intermediate transfer mechanisms；Another is to need to increase
Additional fuel cylinder driving mechanism, and the chamber number of multimode cavity layout will reduce, intermediate space is not fully utilized, the list of mold
Molding causes this raising.
Invention content
The technical problems to be solved by the invention are to provide a kind of injection mold for production sewage treatment pipe, including
Central worm drive type gear Leave out thread mechanism, reasonable design is compact-sized, the operation is stable, securely and reliably, easy-to-use；For
Above-mentioned existing technical problem is solved, the present invention uses following scheme：A kind of injection mold for production sewage treatment pipe, packet
Central worm drive type gear Leave out thread mechanism is included, including central, threaded core, interior edge ejection ejector sleeve, auxiliary ejection type needle, is taken off
Expect mandril, upper turning set, turning set fixed plate, thread core gear, lower thread bush, worm set drive gear, gear key, lower axle
Hold, cover, worm set, upper bearing (metal), center driven worm screw.
Preferably, the mechanism thread core runner assembly includes central, threaded core, is interior along ejection ejector sleeve, auxiliary top
Go out type needle, de- material mandril, upper turning set, turning set fixed plate, thread core gear, lower thread bush, worm set drive gear；In
Entreat the forming internal threads part that thread core is product, the upper end be set in it is interior along ejection ejector sleeve, lower end by upper turning set and
Lower thread bush is installed in the mould bases template of mold；The interior thin wall circular molded part along ejection ejector sleeve for product internal thread, thereon
Loaded in mold molded part core mold insert, lower end is installed on the first time liftout plate of mold end cap, plays the thin of ejecting product
The effect of wall annulus；Auxiliary ejection type needle is installed on the first liftout plate of mold, is played in auxiliary along ejection ejector sleeve ejection
Effect；De- material top stem casing is loaded on the center of central, threaded core, and lower end is installed on second of liftout plate using mold, plays
The effect that the runner waste material of product is wiped out and ejected；Upper turning set is set on central, threaded core, and positioned at thread core
The upper end of gear, outer end are fixedly installed in by turning set fixed plate in the template of mold, are played to thread core gear
The effect that uplink is limited；Thread core gear is installed on by pin fastener on central, threaded core, for by worm set
The power of drive gear passes to central, threaded core；Lower thread bush passes through its internal internal thread and central, threaded core screw thread
Cooperation, outer end are installed on mould template, are oriented to for the up and down motion of central, threaded core, are the flat of central, threaded core
Steady rotation provides guiding；Thread core gear engages matching relationship with worm set drive gear for gear drive.
Preferably, the worm drive component include worm set drive gear, gear key, lower bearing, cover,
Worm set, upper bearing (metal), center driven worm screw；Worm set drive gear is set on worm set, and the twisting with worm set passes through
Gear key is transmitted；The upper end suit upper bearing (metal) of worm set, after lower end is set with lower bearing, is set in the template of mold mould bases,
Worm set can be freely rotated, and worm set is installed with center driven worm screw for worm-drive cooperation；The upper end of center driven worm screw
The cover half side of mold is installed on, worm set is then installed on the dynamic model side of mold, and center driven worm screw is used to drive worm set
To drive worm set drive gear, so as to achieve the purpose that drive thread core gear.
Preferably, in the mechanism, thread core runner assembly is installed on the dynamic model side of institute's application mold, snail
In bar drive component in addition to center driven worm screw is installed on cover half side, remaining component part is all installed on the dynamic model one of mold
Side.
Preferably, in the mechanism, thread core runner assembly corresponds to the molding Leave out thread of product a cavity per mould, snail
Bar drive component can then realize the multiple requirement of a driving.
One kind is for production sewage treatment pipe, and the pipe is by a kind of above-mentioned injection mold system for production sewage treatment pipe
It makes.
In the present invention：The technical issues of a kind of center worm drive type gear Leave out thread mechanism solves be：Multi-cavity Leave out thread
Small space in mold gear Leave out thread mechanism is not fully utilized, and the cost that single mode manufactures is caused to increase, what is reached has
Beneficial effect is：Leave out thread mechanism driving mechanism is designed between the die cavity of multi-cavity Leave out thread mould, reduces the structure size of mold,
The opening and closing power of the template made full use of drives the rotation of Leave out thread mechanism, reduces the manufacture difficulty of mold and is produced into
This.
In the present invention：Thread core runner assembly component solve the technical issues of be：The internal thread demoulding package power of product
Larger to be difficult to the problem of coming off, the advantageous effect reached is：The demoulding of screw thread is detached from by thread core rotation, the demoulding of product
Demoulding is then released by the ejector sleeve of mandril and screw thread outer circle, for screw thread without deformation, stripping action is reliable.
In the present invention：Worm drive component parts solve the technical issues of be：It can not in the central part of the multi-cavity of mold
The drive component of setting Leave out thread core is made full use of, the advantageous effect reached is：It takes full advantage of between screw product die cavity
Space, take full advantage of mold template opening and closing power come achieve the purpose that drive threads turn demoulding.
Of the invention whole, the driving mechanism of middle Leave out thread mechanism needs additional designs, mould structure ruler compared with prior art
Very little single mold to be caused to be manufactured the problem of of high cost greatly, advantage is：The structure space of mold, drop can rationally be utilized
The single-piece production manufacture cost of low mold, mechanism kinematic is reliable, simple in structure, can effectively reduce the single-piece manufacture cost of mold.
It is greatly improved by pipeline formed precision of the present invention for the injection mold of production sewage treatment pipe to manufacture.
Description of the drawings
The scheme of installation of Fig. 1 mechanisms in a mold；
Fig. 2 mechanical work principle figures；
Fig. 3 application mold dynamic model vertical views；
Fig. 4 application stationary mould for mould bottom views.
Specific embodiment
Fig. 1-4 show related description figure of the present invention；Specific embodiment is, as shown in Figure 1, Figure 2, Figure 3, Figure 4, one
Kind for production sewage treatment pipe injection mold, including central worm drive type gear Leave out thread mechanism, during which includes
It entreats thread core 1, is interior along ejection ejector sleeve 2, auxiliary ejection type needle 3, de- material mandril 4, upper turning set 5, turning set fixed plate 6, spiral shell
Line core gear 7, lower thread bush 8, worm set drive gear 9, gear key 10, lower bearing 11, cover 12, worm set 13, on
Bearing 14, center driven worm screw 15.
The mechanism thread core runner assembly includes central, threaded core 1, is interior along ejection ejector sleeve 2, auxiliary ejection type needle
3rd, de- material mandril 4, upper turning set 5, turning set fixed plate 6, thread core gear 7, lower thread bush 8, worm set drive gear 9；
Central, threaded core 1 is the forming internal threads part of product, and the upper end is set in along interior edge ejection ejector sleeve 2, and lower end passes through upper rotation
Set 5 and lower thread bush 8 are installed in the mould bases template of mold；The interior thin wall circular along ejection ejector sleeve 2 for product internal thread is molded
Part, the upper end are set in mold molded part core mold insert, and lower end is installed on the first time liftout plate of mold, play ejection production
The effect of the thin wall circular of product；Auxiliary ejection type needle 3 is installed on the first liftout plate of mold, is played in auxiliary along ejection ejector sleeve
The effect of 2 ejections；De- material mandril 4 is set in the center of central, threaded core 1, and lower end is installed on second of ejection using mold
On plate, play the role of that the runner waste material of product is wiped out and ejected；Upper turning set 5 is set on central, threaded core 1, and position
In the upper end of thread core gear 7, outer end is fixedly installed in by turning set fixed plate 6 in the template of mold, is played to spiral shell
The effect that the uplink of line core gear 7 is limited；Thread core gear 7 is installed on central, threaded core 1 by pin fastener
On, for the power of worm set drive gear 9 to be passed to central, threaded core 1；Lower thread bush 8 passes through its internal internal thread
With 1 thread fitting of central, threaded core, outer end is installed on mould template, and the up and down motion for central, threaded core 1 is led
To the smooth rotation for central, threaded core 1 provides guiding；Thread core gear 7 is gear drive with worm set drive gear 9
Engage matching relationship.
The worm drive component include worm set drive gear 9, gear key 10, lower bearing 11, cover 12, snail
Rod set 13, upper bearing (metal) 14, center driven worm screw 15；Worm set drive gear 9 is set on worm set 13, with worm set 13
Twisting is transmitted by gear key 10；The upper end suit upper bearing (metal) 14 of worm set 13, after lower end is set with lower bearing 11, is set in mould
In the template for having mould bases, worm set 13 can be freely rotated, and worm set 13 is pacified with center driven worm screw 15 for worm-drive cooperation
Dress；The upper end of center driven worm screw 15 is installed on the cover half side of mold, and worm set 13 is then installed on the dynamic model side of mold, in
Centre driving worm screw 15 is for driving worm set 13 to drive worm set drive gear 9, so as to reach driving thread core gear 7
Purpose.
In the mechanism, thread core runner assembly is installed on the dynamic model side of institute's application mold, worm drive group
In part in addition to center driven worm screw 15 is installed on cover half side, remaining component part is all installed on the dynamic model side of mold.
In the mechanism, thread core runner assembly corresponds to the molding Leave out thread of product a cavity per mould, worm drive group
Part can then realize the multiple requirement of a driving..
The application method of central worm drive type gear Leave out thread mechanism, includes the following steps：
In actual work, the course of work of mechanism is divided into following steps：
1) mold is opened at PL die joints, and product realizes the demoulding of cavity surface；In opening procedure, mold dynamic model retreats,
Worm set (13) downlink, worm set (13) downlink is rotated in the process by the driving of center driven worm screw (15), so as to drive
Worm set drive gear (9) rotates, and worm set drive gear (9) driving thread core gear (7), central, threaded core (1) turn
Dynamic, central, threaded core (1) does thread fitting rotation under the guiding of lower thread bush (8), thus the thread core of upper end thereon
It is detached with product.
2) the ejection Leave out thread of product finishes, and injection molding machine top rod driving once ejects version, Double-ejection plate uplink, so as to drive
Product and runner waste material are pushed up from core along ejection ejector sleeve (2), auxiliary ejection type needle (3), de- material mandril (4) synchronization in dynamic
Go out,
Achieve the purpose that product demoulds completely.
Specific embodiment described herein is only an example for the spirit of the invention, technology neck belonging to the present invention
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of injection mold for production sewage treatment pipe, including the central worm drive type gear Leave out thread mechanism,
The mechanism includes central, threaded core (1), is interior along ejection ejector sleeve (2), auxiliary ejection type needle (3), de- material mandril (4), upper rotation
Cover (5), turning set fixed plate (6), thread core gear (7), lower thread bush (8), worm set drive gear (9), gear key
(10), lower bearing (11), cover (12), worm set (13), upper bearing (metal) (14), center driven worm screw (15)；The mechanism spiral shell
Line core runner assembly includes central, threaded core (1), is interior along ejection ejector sleeve (2), auxiliary ejection type needle (3), de- material mandril
(4), upper turning set (5), turning set fixed plate (6), thread core gear (7), lower thread bush (8), worm set drive gear
(9)；Central, threaded core (1) is the forming internal threads part of product, and the upper end is set in interior edge ejection ejector sleeve (2), and lower end leads to
It crosses turning set (5) and lower thread bush (8) is installed in the mould bases template of mold；Interior edge ejection ejector sleeve (2) is product internal thread
Thin wall circular molded part, the upper end is set in mold molded part core mold insert, and lower end is installed on the first time ejection of mold
On plate, play the role of the thin wall circular of ejecting product；Auxiliary ejection type needle (3) is installed on the first liftout plate of mold, is risen
The effect ejected in auxiliary along ejection ejector sleeve (2)；De- material mandril (4) is set in the center of central, threaded core (1), lower end peace
On second of liftout plate loaded on application mold, play the role of that the runner waste material of product is wiped out and ejected；Upper turning set (5)
It is set on central, threaded core (1), and positioned at the upper end of thread core gear (7), outer end passes through turning set fixed plate (6)
It is fixedly installed in the template of mold, plays the role of limiting the uplink of thread core gear (7)；Thread core gear
(7) it is installed on central, threaded core (1) by pin fastener, used in the power of worm set drive gear (9) to be passed to
Entreat thread core (1)；Lower thread bush (8) passes through its internal internal thread and central, threaded core (1) thread fitting, outer end peace
It loaded on mould template, is oriented to for the up and down motion of central, threaded core (1), is the smooth rotation of central, threaded core (1)
It provides and is oriented to；Thread core gear (7) engages matching relationship with worm set drive gear (9) for gear drive.
2. according to a kind of central worm drive type gear Leave out thread mechanism of claim 1, the worm drive component includes
Worm set drive gear (9), gear key (10), lower bearing (11), cover (12), worm set (13), upper bearing (metal) (14), center
Drive worm screw (15)；Worm set drive gear (9) is set on worm set (13), and the twisting with worm set (13) passes through gear
Key (10) transmits；The upper end suit upper bearing (metal) (14) of worm set (13), after lower end is set with lower bearing (11), is set in mold mould
In the template of frame, worm set (13) can be freely rotated, and worm set (13) coordinates with center driven worm screw (15) for worm-drive
Installation；The upper end of center driven worm screw (15) is installed on the cover half side of mold, and worm set (13) is then installed on the dynamic model of mold
Side, center driven worm screw (15) is for driving worm set (13) to drive worm set drive gear (9), so as to reach driving spiral shell
The purpose of line core gear (7).
3. according to a kind of injection mold for production sewage treatment pipe of claim 1, in the mechanism, thread core rotating group
Part is installed on the dynamic model side of institute's application mold, except center driven worm screw (15) is installed on cover half one in worm drive component
Outside side, remaining component part is all installed on the dynamic model side of mold.
4. the injection mold of production sewage treatment pipe is used for according to claim 1, in the mechanism, thread core runner assembly pair
Should be in the molding Leave out thread of product a cavity per mould, worm drive component can then realize the multiple requirement of a driving.
5. a kind of center worm drive type gear Leave out thread mechanism.
6. one kind is manufactured for production sewage treatment pipe, the pipe by the injection mold for being used for production sewage treatment pipe.
7. a kind of application method of center worm drive type gear Leave out thread mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176800.7A CN108247959A (en) | 2018-03-04 | 2018-03-04 | A kind of injection mold for production sewage treatment pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176800.7A CN108247959A (en) | 2018-03-04 | 2018-03-04 | A kind of injection mold for production sewage treatment pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108247959A true CN108247959A (en) | 2018-07-06 |
Family
ID=62744646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810176800.7A Pending CN108247959A (en) | 2018-03-04 | 2018-03-04 | A kind of injection mold for production sewage treatment pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108247959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936749A (en) * | 2021-01-27 | 2021-06-11 | 周林 | Double-color injection mold capable of uniformly injecting glue |
| CN113478753A (en) * | 2020-11-20 | 2021-10-08 | 东莞达兴塑胶模具有限公司 | Core-pulling demoulding device with high production efficiency |
-
2018
- 2018-03-04 CN CN201810176800.7A patent/CN108247959A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 申开智: "《塑料成型模具》", 28 February 2014, 中国轻工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478753A (en) * | 2020-11-20 | 2021-10-08 | 东莞达兴塑胶模具有限公司 | Core-pulling demoulding device with high production efficiency |
| CN112936749A (en) * | 2021-01-27 | 2021-06-11 | 周林 | Double-color injection mold capable of uniformly injecting glue |
| CN112936749B (en) * | 2021-01-27 | 2022-08-09 | 乐之宝(东莞)文化创意有限公司 | Double-color injection mold capable of uniformly injecting glue |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |
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| RJ01 | Rejection of invention patent application after publication |