CN110216847A - A kind of center worm drive type gear Leave out thread mechanism - Google Patents
A kind of center worm drive type gear Leave out thread mechanism Download PDFInfo
- Publication number
- CN110216847A CN110216847A CN201810176811.5A CN201810176811A CN110216847A CN 110216847 A CN110216847 A CN 110216847A CN 201810176811 A CN201810176811 A CN 201810176811A CN 110216847 A CN110216847 A CN 110216847A
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- Prior art keywords
- worm
- gear
- thread
- mold
- central
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
-
- 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
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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 central worm drive type gear Leave out thread mechanisms, 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 for causing single mode to manufacture increases, its advantages are that Leave out thread mechanism driving mechanism is designed between the die cavity of multi-cavity Leave out thread mould, reduce 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 and production cost of mold.
Description
Technical field
The present invention relates to injection mold mechanism design fields, specially central worm drive type gear Leave out thread mechanism.
Background technique
In injection mold Leave out thread mechanism, if die space structure than narrow, and product multimode cavity in need layout
When, Leave out thread one structure size that will increase mold is carried out using rack drives, another needs more intermediate biographies
Pass mechanism；Another is to need to increase additional fuel cylinder driving mechanism, and the chamber number of multimode cavity layout will reduce, intermediate space
It is not fully utilized, the single mode manufacturing cost of mold improves.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of central worm drive type gear Leave out thread mechanism, design
Rationally, compact-sized, the operation is stable is securely and reliably, easy-to-use；In order to solve the above-mentioned prior art problems, the present invention uses
Following scheme: a kind of center worm drive type gear Leave out thread mechanism, including central, threaded type core, interior edge ejection ejector sleeve, auxiliary
Ejection type needle, de- material mandril, upper turning set, turning set fixed plate, thread core gear, lower thread bush, worm set driving gear,
Gear key, lower bearing, cover, worm set, upper bearing (metal), center driven worm screw.
Preferably, the mechanism thread core runner assembly includes central, threaded type core, interior edge ejection ejector sleeve, auxiliary top
Type needle, de- material mandril, upper turning set, turning set fixed plate, thread core gear, lower thread bush, worm set drive gear out；In
Entreating thread core is the forming internal threads part of 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；Interior edge ejection ejector sleeve is the thin wall circular molded part of product internal screw thread, thereon
Loaded in mold molded part type 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 type 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 type core, and is located at thread core
The upper end of gear, outer end are fixedly installed in the template of mold by turning set fixed plate, are played to thread core gear
The effect that uplink is limited；Thread core gear is installed on central, threaded type core by pin fastener, is used for worm set
The power of driving gear passes to central, threaded type core；Lower thread bush passes through its internal internal screw thread and central, threaded type core screw thread
Cooperation, outer end are installed on mould template, and the up and down motion for central, threaded type core is oriented to, and are the flat of central, threaded type core
Steady rotation provides guiding；Thread core gear is that matching relationship is engaged in gear drive with worm set driving gear.
Preferably, the worm driving assembly include worm set driving gear, gear key, lower bearing, cover,
Worm set, upper bearing (metal), center driven worm screw；Worm set drives geared sleeve loaded on worm set, and the twisting with worm set passes through
Gear key is transmitted；The upper end of worm set is set with upper bearing (metal) and is set in the template of mold mould bases after lower end is set with lower bearing,
Worm set can be freely rotated, and worm set is coupled with center driven worm screw for worm-drive；The upper end of center driven worm screw
It is installed on the cover half side of mold, worm set is then installed on the dynamic model side of mold, and center driven worm screw is for driving worm set
To drive worm set to drive gear, to achieve the purpose that drive thread core gear.
Preferably, thread core runner assembly is installed on the dynamic model side of institute's application mold, snail in the mechanism
In bar driving assembly 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, thread core runner assembly corresponds to the molding Leave out thread of product a cavity per mould, snail in the mechanism
Bar driving assembly is then able to achieve the multiple requirement of driving.
In the present invention: it is a kind of center worm drive type gear Leave out thread mechanism solve the technical issues of be: multi-cavity Leave out thread
Small space in mold gear Leave out thread mechanism is not fully utilized, and the cost for causing single mode to manufacture increases, and what is reached has
Beneficial effect is: Leave out thread mechanism driving mechanism 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, reduce the manufacture difficulty of mold and is produced into
This.
In the present invention: the technical issues of thread core runner assembly component solves is: the internal screw thread demoulding package power of product
Larger to be difficult to the problem of falling off, the beneficial 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: the central part of the multi-cavity of mold can not
The driving assembly of setting Leave out thread type core is made full use of, the beneficial effect reached is: taking 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.
The present invention is whole, and the driving mechanism of Leave out thread mechanism needs additional designs, mould structure ruler compared to the prior art
It is very little to cause single mold to manufacture problem at high cost greatly, the beneficial effect is that: it can rationally utilize the structure space of mold, drop
The single-piece production manufacturing cost of low mold, mechanism kinematic is reliable, and structure is simple, and the single-piece manufacturing cost of mold can be effectively reduced.
Detailed description of the invention
The scheme of installation of Fig. 1 mechanism in a mold；
Fig. 2 mechanical work principle figure；
Fig. 3 application mold dynamic model top view；
Fig. 4 application stationary mould for mould bottom view.
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 of central worm drive type gear Leave out thread mechanism, including central, threaded type core 1, it 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, tooth
Wheel key 10, lower bearing 11, cover 12, worm set 13, upper bearing (metal) 14, center driven worm screw 15.
The mechanism thread core runner assembly includes central, threaded type core 1, interior edge 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 type 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；It is interior to be formed along the thin wall circular that ejection ejector sleeve 2 is product internal screw thread
Part, the upper end are set in mold molded part type core mold insert, and lower end is installed on the first time liftout plate of mold, are played ejection and are produced
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 type 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 type core 1, and position
In the upper end of thread core gear 7, outer end is fixedly installed in the template of mold by turning set fixed plate 6, is played to spiral shell
The effect that the uplink of line type core gear 7 is limited；Thread core gear 7 is installed on central, threaded type core 1 by pin fastener
On, for the power of worm set driving gear 9 to be passed to central, threaded type core 1；Lower thread bush 8 passes through its internal internal screw thread
It is threadedly engaged with central, threaded type core 1, outer end is installed on mould template, and the up and down motion for central, threaded type core 1 is led
To the smooth rotation for central, threaded type core 1 provides guiding；Thread core gear 7 and worm set driving gear 9 are gear drive
Engage matching relationship.
The worm driving assembly include worm set driving 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 driving gear 9 is set on worm set 13, with worm set 13
Twisting is transmitted by gear key 10；The upper end of worm set 13 is set with upper bearing (metal) 14 and is set in mould after lower end is set with lower bearing 11
In the template for having mould bases, worm set 13 can be freely rotated, and worm set 13 and center driven worm screw 15 are that worm-drive cooperation is pacified
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
Driving worm screw 15 drives worm set to drive gear 9 for driving worm set 13 for centre, 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 is then able to achieve the multiple requirement of 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 joint, and product realizes the demoulding of cavity surface；In opening procedure, mold dynamic model is retreated,
Worm set (13) downlink, worm set (13) downlink is rotated by the driving of center driven worm screw (15) in the process, to drive
Worm set drives gear (9) rotation, and worm set drives gear (9) driving thread core gear (7), central, threaded type core (1) to turn
Dynamic, central, threaded type core (1) is threadedly engaged rotation under the guiding of lower thread bush (8), thus the thread core of upper end thereon
It is separated 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, to drive
Product and runner waste material are pushed up from type core along ejection ejector sleeve (2), auxiliary ejection type needle (3), de- material mandril (4) synchronization in dynamic
Out, achieve the purpose that product demoulds completely.
Specific embodiment described herein is only an example for the spirit of the invention, the neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of center worm drive type gear Leave out thread mechanism, including central, threaded type core (1), it is interior along ejection ejector sleeve (2), it is auxiliary
Help ejection type needle (3), de- material mandril (4), upper turning set (5), turning set fixed plate (6), thread core gear (7), lower screw thread
Set (8), worm set driving gear (9), gear key (10), lower bearing (11), cover (12), worm set (13), upper bearing (metal)
(14), center driven worm screw (15)；The mechanism thread core runner assembly include central, threaded type core (1), it is interior along ejection push away
Manage (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 driving gear (9)；Central, threaded type core (1) is the forming internal threads part of product, the upper end
It is set in interior edge ejection ejector sleeve (2), lower end is installed on the mould bases template of mold by upper turning set (5) and lower thread bush (8)
On；Interior edge ejection ejector sleeve (2) is the thin wall circular molded part of product internal screw thread, and the upper end is set in mold molded part type core mold insert
Interior, lower end is installed on the first time liftout plate of mold, plays the role of the thin wall circular of ejecting product；Auxiliary ejection type needle
(3) it is installed on the first liftout plate of mold, plays the role of in auxiliary along ejection ejector sleeve (2) ejection；De- material mandril (4) suit
In the center of central, threaded type core (1), lower end is installed on second of liftout plate using mold, is played useless to the runner of product
Expect the effect wiped out and ejected；Upper turning set (5) is set on central, threaded type core (1), and is located at thread core gear (7)
Upper end, outer end are fixedly installed in the template of mold by turning set fixed plate (6), are played to thread core gear (7)
The effect that uplink is limited；Thread core gear (7) is installed on central, threaded type core (1) by pin fastener, and being used for will
The power of worm set driving gear (9) passes to central, threaded type core (1)；Lower thread bush (8) by its internal internal screw thread with
Central, threaded type core (1) is threadedly engaged, and outer end is installed on mould template, is used for the up and down motion of central, threaded type core (1)
Guiding, the smooth rotation for central, threaded type core (1) provide guiding；Thread core gear (7) and worm set driving gear (9) is
Matching relationship is engaged in gear drive.
2. a kind of central worm drive type gear Leave out thread mechanism, the worm driving assembly include according to claim 1
Worm set driving gear (9), gear key (10), lower bearing (11), cover (12), worm set (13), upper bearing (metal) (14), center
It drives worm screw (15)；Worm set driving gear (9) is set on worm set (13), and the twisting with worm set (13) passes through gear
Key (10) transmits；The upper end of worm set (13) is set with upper bearing (metal) (14), 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) and center driven worm screw (15) are worm-drive cooperation
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) drives worm set to drive gear (9) for driving worm set (13), to reach driving spiral shell
The purpose of line type core gear (7).
3. a kind of central worm drive type gear Leave out thread mechanism according to claim 1, in the mechanism, thread core rotating group
Part is installed on the dynamic model side of institute's application mold, removes center driven worm screw (15) in worm drive component and is installed on cover half one
Outside side, remaining component part is all installed on the dynamic model side of mold.
4. a kind of central worm drive type gear Leave out thread mechanism according to claim 1, in the mechanism, thread core rotating group
Part corresponds to the molding Leave out thread of product a cavity per mould, and worm drive component is then able to achieve the multiple requirement of driving.
5. 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 |
|---|---|---|---|
| CN201810176811.5A CN110216847A (en) | 2018-03-04 | 2018-03-04 | A kind of center worm drive type gear Leave out thread mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176811.5A CN110216847A (en) | 2018-03-04 | 2018-03-04 | A kind of center worm drive type gear Leave out thread mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110216847A true CN110216847A (en) | 2019-09-10 |
Family
ID=67822141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810176811.5A Pending CN110216847A (en) | 2018-03-04 | 2018-03-04 | A kind of center worm drive type gear Leave out thread mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110216847A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017059065A1 (en) * | 2015-10-01 | 2017-04-06 | Nypromold Inc. | Threaded mold decoupling system |
-
2018
- 2018-03-04 CN CN201810176811.5A patent/CN110216847A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017059065A1 (en) * | 2015-10-01 | 2017-04-06 | Nypromold Inc. | Threaded mold decoupling system |
Non-Patent Citations (1)
| Title |
|---|
| 申开智: "《塑料成型模具 第三版》", 28 February 2014, 中国轻工业出版社 * |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190910 |