CN110216841A - A kind of rack drives Leave out thread execution injection mold synchronous with ejection - Google Patents
A kind of rack drives Leave out thread execution injection mold synchronous with ejection Download PDFInfo
- Publication number
- CN110216841A CN110216841A CN201811064818.4A CN201811064818A CN110216841A CN 110216841 A CN110216841 A CN 110216841A CN 201811064818 A CN201811064818 A CN 201811064818A CN 110216841 A CN110216841 A CN 110216841A
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- China
- Prior art keywords
- ejection
- dynamic model
- thread
- backing plate
- gear
- Prior art date
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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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—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
- 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
- B29C2045/445—Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article
-
- 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
Abstract
The present invention provides a kind of rack drives Leave out thread execution injection molds synchronous with ejection, the technical problem to be solved is that when product Leave out thread, thread core, which both needs to rotate the right side, to be needed to move up and down, mechanism design is complicated, it is difficult to that the cooling body of rotation thread core is arranged, the beneficial effect reached is: thread core only needs to rotate, and the cooling body of thread core is relatively good to be opened up, and mould structure design is simple；Mold mainly includes the components such as die carrier structure component, template motion guide component, rack gear Leave out thread component, mould balance ejection assembly, molding assembly, flow channel component；Mold parting number is single parting, and two chamber layout type of a mould, disposition cavity is centering type layout type, in order to the installation and diminution die structure size of Leave out thread mechanism；Mold design is reasonable, compact-sized, the operation is stable, securely and reliably, easy-to-use.
Description
Technical field
The present invention relates to injection mold mechanism design field, specially a kind of rack drives Leave out thread is synchronous with ejection to be executed
Injection mold.
Background technique
When designing Leave out thread mechanism on injection mold, when being typically designed characteristic threads demoulding, using thread core side
Rotation, edge guide thread ring downlink and carry out the mode of screw thread demoulding；The execution of mechanism needs to design threads turn driving
While mechanism, it is also necessary to the stop mechanism that screw thread moves up and down, and it is unfavorable for the cooling of thread core；Thus, preferably set
Meter is the rotation of thread core original place, and the rising of screw thread is solved by the rising of product itself, the present invention for this require and into
Row design.
Summary of the invention
Technical problem to be solved by the present invention lies in providing, a kind of rack drives Leave out thread is synchronous with ejection to execute injection molding
Mold, rationally, compact-sized, the operation is stable is securely and reliably, easy-to-use for design；In order to solve the above-mentioned prior art problems, originally
Invention uses a kind of following scheme: rack drives Leave out thread execution injection mold synchronous with ejection, including sprue bush, locating ring,
Type chamber mold insert, type core mold insert, panel, floating moving template, the first backing plate of dynamic model, the second backing plate of dynamic model, dynamic model third backing plate, dynamic model
4th backing plate, moving clamping plate, die cavity guide post, moving template guide sleeve, the first backing plate guide sleeve, the 4th backing plate guide sleeve, dynamic model guide post, bottom plate
Guide sleeve, rack drives oil cylinder, drive rack, the first transmission gear, jackshaft, midship shaft bearing, the second transmission gear, thread spindle
Bottom end seal circle, thread spindle bottom end mounting plate, screw thread shaft gear, thread spindle, screw thread axle bearing, ejection oblique push block, ejection cant
Slot, ejection skewed slot sliding seat, balance ejection intermediate gear, balance ejection transmission gear, balance ejection driving gear, balance ejection
Rack gear.
Preferably, the mold die carrier structure component includes panel, floating moving template, the first backing plate of dynamic model, dynamic model
Two backing plates, dynamic model third backing plate, the 4th backing plate of dynamic model, moving clamping plate；Panel is independent one block of plate, plays and is anchored on injection molding machine
The effect fixed with type chamber on solid plate；Floating moving template is installed on die cavity guide post by guide sleeve, can move up and down movement；
The first backing plate of dynamic model, the second backing plate of dynamic model, dynamic model third backing plate, the 4th backing plate of dynamic model, moving clamping plate are fastened by screw and are assembled
Together, for the gear core pulling mechanism and demoulding mechanism of installation mold, and mould is constituted with removable moving template floating moving template
Has dynamic model part.
Preferably, the mould template motion guide component includes that die cavity guide post, moving template guide sleeve, the first backing plate are led
Set, the 4th backing plate guide sleeve, dynamic model guide post, bottom plate guide sleeve；Die cavity guide post is installed on dynamic model third backing plate by elastic conjunction,
On be set with moving template guide sleeve；Dynamic model guide post is installed on the first backing plate guide sleeve, the 4th backing plate guide sleeve, bottom plate guide sleeve be set in it is dynamic
On mould guide post, convenient for the installation of the 4th backing plate, moving clamping plate of dynamic model.
Preferably, the mold rack gear Leave out thread component includes rack drives oil cylinder, drive rack, the first driving cog
Wheel, jackshaft, midship shaft bearing, the second transmission gear, thread spindle bottom end seal circle, thread spindle bottom end mounting plate, thread spindle tooth
Wheel, thread spindle, screw thread axle bearing；The cylinder rod screw of rack drives oil cylinder is fastened on one end of dynamic model third backing plate, cylinder
Body is then installed in the oil cylinder slot of the second backing plate of dynamic model, dynamic model third backing plate, and can be moved along in slot, to drive installation
In the drive rack on oil cylinder；Drive rack is fastened on rack drives oil cylinder by screw, to drive the first driving cog
Wheel, the first transmission gear are installed on jackshaft, and midship shaft bearing has two up and down, by upper and lower two midship shaft bearings, in
Between axis be installed on the second backing plate of dynamic model and moving clamping plate；Second transmission gear is set on jackshaft, is passed for transmitting first
The rotational power of moving gear gives screw thread shaft gear；Thread spindle bottom end seal snare is loaded on thread spindle, for preventing thread spindle
Cooling water leakage；Carrying installation of the thread spindle bottom end mounting plate for the bottom end of thread spindle；Thread spindle gear set is in thread spindle
On, for driving the rotation core pulling of thread spindle；Thread spindle is the thread core of product；Screw thread axle bearing is for thread spindle in dynamic model
Installation on second backing plate；Rack gear Leave out thread component is used for the Leave out thread core pulling of product.
Preferably, the mould balance ejection assembly includes ejection oblique push block, ejection oblique pushing goove, ejection skewed slot sliding
Seat, balance ejection intermediate gear, balance ejection transmission gear, balance ejection driving gear, balance ejection rack gear；Eject oblique push block
There are two, the two sides of floating moving template are fastened on by screw respectively, for the moving template that floats in thread core thread spindle
When rotation, type core mold insert, floating moving template are ejected upwards in rotation, product is ejected from thread spindle；Ejection oblique pushing goove,
It there are two ejection skewed slot sliding seat is each, is respectively arranged on rack drives oil cylinder and balance ejection rack gear, ejection oblique push block ejects
Oblique pushing goove is the contact of curvilinear plane contact surface fit system, ejects oblique pushing goove for rack drives oil cylinder and balance ejection rack drives
When movement, ejection oblique pushing goove driving ejection oblique push block is ejected upwards by the rotation rate of climb of screw thread, with turning for matching thread axis
Dynamic demoulding；Drive rack balances ejection intermediate gear, balance ejection transmission gear, balance ejection driving gear by driving to drive
Dynamic balancing ejection rack gear is walked about, to guarantee that the ejection skewed slot sliding seat driving in driving balance ejection rack gear and drive rack is each
Self-corresponding ejection oblique push block, to achieve the purpose that balance ejection floating moving template.
Preferably, the mold molding assembly includes type chamber mold insert, type core mold insert, two parts are used for the main body of product
Molding, type chamber mold insert, type core mold insert pass through screw respectively and are fastened on panel, on floating moving template.
Preferably, mold runner component includes sprue bush, locating ring；Sprue bush, locating ring are fastened by screw to be distinguished
It is installed on panel, on floating moving template；Introducing for installation and injection-moulded plastic of the mold on injection molding machine.
Preferably, the mold parting number is single parting, two chamber layout type of a mould, disposition cavity is centering type
Layout type, in order to the installation and diminution die structure size of Leave out thread mechanism.
In the present invention: the technical issues of a kind of rack drives Leave out thread is solved with the synchronous execution injection mold of ejection is: producing
When pint screw thread, thread core, which both needs to rotate the right side, to be needed to move up and down, and mechanism design is complicated, it is difficult to setting rotation thread core
Cooling body, the beneficial effect reached is: thread core only needs to rotate, and the cooling body of thread core is relatively good to be opened up, mould
Lamps structure design is simple.
In the present invention: the technical issues of mould balance ejection assembly component solves is: when product Leave out thread, thread core side
Rotation, product are difficult to side and rise problem, and the beneficial effect reached is: while thread core rotates, product is in ejecting mechanism
Under ejection, thread core can be climbed away.
In the present invention: the technical issues of mold rack gear Leave out thread component parts solve is: the rotation demoulding of thread core is driven
Dynamic problem, the beneficial effect reached is: being able to achieve being freely rotated for thread core Leave out thread rotation.
The present invention is whole, and thread core must rotate progress synchronous with moving up and down compared to the prior art, cannot be independent
It opens up and causes Leave out thread mechanism structure complicated, the problem of cooling body bad the problem of opening up, the beneficial effect is that: mechanism is set
Meter is simple, effective cooling of thread core can be effectively ensured, thread core is rotated without side, while moving up and down.
Detailed description of the invention
The installation of Fig. 1 Leave out thread mechanism in a mold；
The installation of Fig. 2 ejecting mechanism in a mold；
The installation of Fig. 3 ejecting mechanism moving link；
Fig. 4 mold dynamic model top view；
Fig. 5 stationary mould for mould bottom view.
Specific embodiment
Fig. 1-5 show related description figure of the present invention；Specific embodiment is as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5 institute
Show, a kind of rack drives Leave out thread execution injection mold synchronous with ejection, including sprue bush 1, locating ring 2, type chamber mold insert 3, type
Core mold insert 4, panel 5, floating moving template 6, the first backing plate of dynamic model 7, the second backing plate of dynamic model 8, dynamic model third backing plate 9, dynamic model the 4th
Backing plate 10, moving clamping plate 11, die cavity guide post 12, moving template guide sleeve 13, the first backing plate guide sleeve 14, the 4th backing plate guide sleeve 15, dynamic model
Guide post 16, bottom plate guide sleeve 17, rack drives oil cylinder 18, drive rack 19, the first transmission gear 20, jackshaft 21, jackshaft axis
Hold the 22, second transmission gear 23, thread spindle bottom end seal circle 25, thread spindle bottom end mounting plate 26, screw thread shaft gear 27, thread spindle
28, screw thread axle bearing 29, ejection oblique push block 30, ejection oblique pushing goove 31, ejection skewed slot sliding seat 32, balance ejection intermediate gear
33, balance ejection transmission gear 34, balance ejection driving gear 35, balance ejection rack gear 36.
The mold die carrier structure component includes: panel 5, floating moving template 6, the first backing plate of dynamic model 7, the second backing plate of dynamic model
8, dynamic model third backing plate 9, the 4th backing plate 10 of dynamic model, moving clamping plate 11；Panel 5 is independent one block of plate, plays and is anchored on injection molding
The effect fixed with type chamber on machine solid plate；Floating moving template 6 is installed on die cavity guide post 12 by guide sleeve, can move up and down
Movement；The first backing plate of dynamic model 7, the second backing plate of dynamic model 8, dynamic model third backing plate 9, the 4th backing plate 10 of dynamic model, moving clamping plate 11 pass through
Screw fastening fits together, and floats for the gear core pulling mechanism and demoulding mechanism of installation mold, and with removable moving template
Moving template 6 constitutes mold dynamic model part.
The mould template motion guide component includes die cavity guide post 12, moving template guide sleeve 13, the first backing plate guide sleeve 14,
Four backing plate guide sleeves 15, dynamic model guide post 16, bottom plate guide sleeve 17；Die cavity guide post 12 is installed on dynamic model third backing plate 9 by elastic conjunction
On, it is set with moving template guide sleeve 13 thereon；Dynamic model guide post 16 is installed on the first backing plate guide sleeve 14, the 4th backing plate guide sleeve 15, bottom
Plate guide sleeve 17 is set on dynamic model guide post 16, convenient for the installation of the 4th backing plate 10, moving clamping plate of dynamic model.
The mold rack gear Leave out thread component include rack drives oil cylinder 18, drive rack 19, the first transmission gear 20, in
Between axis 21, midship shaft bearing 22, the second transmission gear 23, thread spindle bottom end seal circle 25, thread spindle bottom end mounting plate 26, screw thread
Shaft gear 27, thread spindle 28, screw thread axle bearing 29；The cylinder rod screw of rack drives oil cylinder 18 is fastened on dynamic model third pad
One end of plate 9, cylinder body are then installed in the oil cylinder slot of the second backing plate of dynamic model 8, dynamic model third backing plate 9, and along can be in slot
It is mobile, to drive the drive rack 19 being installed on oil cylinder；Drive rack 19 is fastened on rack drives oil cylinder by screw
On 18, to drive the first transmission gear 20, the first transmission gear 20 to be installed on jackshaft 21, midship shaft bearing 22 has upper and lower two
A, by upper and lower two midship shaft bearings 22, jackshaft 21 is installed on the second backing plate of dynamic model 8 and moving clamping plate 11；Second passes
Moving gear 23 is set on jackshaft 21, and the rotational power for transmitting the first transmission gear 20 gives screw thread shaft gear；Thread spindle
Bottom end seal circle 25 is set on thread spindle 28, for preventing the cooling water of thread spindle 28 from revealing；Thread spindle bottom end mounting plate 26
The carrying of bottom end for thread spindle 28 is installed；Screw thread shaft gear 27 is set on thread spindle 28, for driving thread spindle 28
Rotate core pulling；Thread spindle 28 is the thread core of product；Screw thread axle bearing 29 is for thread spindle 28 on the second backing plate of dynamic model 8
Installation；Rack gear Leave out thread component is used for the Leave out thread core pulling of product.
The mould balance ejection assembly includes ejection oblique push block 30, ejection oblique pushing goove 31, ejection skewed slot sliding seat 32, puts down
Weighing apparatus ejection intermediate gear 33, balance ejection transmission gear 34, balance ejection driving gear 35, balance ejection rack gear 36；Ejection is oblique
There are two pushing blocks 30, is fastened on the two sides of floating moving template 6 by screw respectively, for the moving template 6 that floats in screw-type
When core thread spindle 28 rotates, type core mold insert 4, floating moving template 6 are ejected upwards in rotation, product is pushed up from thread spindle 28
Out；There are two ejection oblique pushing goove 31, ejection skewed slot sliding seat 32 are each, it is respectively arranged in rack drives oil cylinder 18 and balance ejects tooth
On item 36, ejection oblique push block 30, ejection oblique pushing goove 31 are the contact of curvilinear plane contact surface fit system, are used for rack drives oil cylinder 18
When moving with the balance ejection driving ejection oblique pushing goove 31 of rack gear 36, the ejection driving ejection oblique push block 30 of oblique pushing goove 31 presses turning for screw thread
The dynamic rate of climb ejects upwards, is demoulded with the rotation of matching thread axis 28；Drive rack 19 passes through driving balance ejection center tooth
Wheel 33, balance ejection transmission gear 34, balance eject driving gear 35 to drive balance ejection rack gear 36 to walk about, to guarantee to drive
Ejection skewed slot sliding seat 32 on dynamic balancing ejection rack gear 36 and drive rack 19 drives corresponding ejection oblique push block 30, from
And achieve the purpose that balance ejection floating moving template 6.
The mold molding assembly includes type chamber mold insert 3, type core mold insert 4, and main body of two parts for product forms, type
Chamber mold insert 3, type core mold insert 4 are fastened on panel 5, on floating moving template 6 by screw respectively.
The mold runner component includes sprue bush 1, locating ring 2；Sprue bush 1, locating ring 2 are pacified respectively by screw fastening
Loaded on panel 5, floating moving template 6；Introducing for installation and injection-moulded plastic of the mold on injection molding machine.
The mold parting number is single parting, and two chamber layout type of a mould, disposition cavity is centering type layout type,
In order to the installation and diminution die structure size of Leave out thread mechanism.Including sprue bush 1, locating ring 2, type chamber mold insert 3, type core edge
Part 4, panel 5, floating moving template 6, the first backing plate of dynamic model 7, the second backing plate of dynamic model 8, dynamic model third backing plate 9, the 4th backing plate of dynamic model
10, moving clamping plate 11, die cavity guide post 12, moving template guide sleeve 13, the first backing plate guide sleeve 14, the 4th backing plate guide sleeve 15, dynamic model guide post
16, bottom plate guide sleeve 17, rack drives oil cylinder 18, drive rack 19, the first transmission gear 20, jackshaft 21, midship shaft bearing 22,
Second transmission gear 23, thread spindle bottom end seal circle 25, thread spindle bottom end mounting plate 26, screw thread shaft gear 27, thread spindle 28, spiral shell
Line axle bearing 29, ejection oblique push block 30, ejection oblique pushing goove 31, ejection skewed slot sliding seat 32, balance ejection intermediate gear 33, balance
Eject transmission gear 34, balance ejection driving gear 35, balance ejection rack gear 36.
The rack drives Leave out thread application method for executing injection mold synchronous with ejection, in actual work, the work of mechanism
Process is divided into following steps:
1) die cavity that mold closure injection molding machine constitutes type chamber mold insert (3), type core mold insert (4) is molded, and has been molded
Finish and waits die sinking.
2) when PL die joint opens die sinking, mold dynamic model retreats, mold is in PL parting under the drive of Injection Motor Template
It is opened at face.
3) after Leave out thread mold is opened, rack drives oil cylinder (18) movement, driving drive rack (19) is to drive first
Transmission gear (20), the second transmission gear (23), screw thread shaft gear (27) rotate and screw thread axle bearing (29) rotation are driven to carry out
The rotating stripping demoulding of characteristic threads；Synchronously, drive rack (19) also band dynamic balancing ejection intermediate gear (33), balance ejection transmission
Gear (34), balance ejection driving gear (35) rotation, thus drive balance ejection rack gear (36) mobile, so, balance ejection
Rack gear (36) and drive rack (19) push corresponding ejection oblique push block (30) to rise by the rate of climb of threads turn, from
And floating moving template (6) is driven to rise with the rotation of matching thread axis (28), realize the Leave out thread of product.
4) when resetting, it is then mold in PL that mold rack gear Leave out thread component, mould balance ejection assembly, which first reset,
It is closed at die joint, mold is closed completely, and waits next injection cycle.
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 (6)
1. a kind of rack drives Leave out thread execution injection mold synchronous with ejection, including sprue bush (1), locating ring (2), type chamber edge
Part (3), type core mold insert (4), panel (5), floating moving template (6), the first backing plate of dynamic model (7), the second backing plate of dynamic model (8), dynamic model
Third backing plate (9), the 4th backing plate (10) of dynamic model, moving clamping plate (11), die cavity guide post (12), moving template guide sleeve (13), the first pad
Plate guide sleeve (14), the 4th backing plate guide sleeve (15), dynamic model guide post (16), bottom plate guide sleeve (17), rack drives oil cylinder (18), sliding tooth
Item (19), the first transmission gear (20), jackshaft (21), midship shaft bearing (22), the second transmission gear (23), thread spindle bottom end
Sealing ring (25), thread spindle bottom end mounting plate (26), screw thread shaft gear (27), thread spindle (28), screw thread axle bearing (29), ejection
Oblique push block (30), ejection oblique pushing goove (31), ejection skewed slot sliding seat (32), balance ejection intermediate gear (33), balance ejection pass
Moving gear (34), balance ejection driving gear (35), balance ejection rack gear (36)；The mold die carrier structure component includes panel
(5), floating moving template (6), the first backing plate of dynamic model (7), the second backing plate of dynamic model (8), dynamic model third backing plate (9), dynamic model the 4th pad
Plate (10), moving clamping plate (11)；Panel (5) is independent one block of plate, plays to be anchored on fixed die plate of injection molding machine and fix with type chamber
Effect；Floating moving template (6) is installed on die cavity guide post (12) by guide sleeve, can move up and down movement；Dynamic model first pads
Plate (7), the second backing plate of dynamic model (8), dynamic model third backing plate (9), the 4th backing plate (10) of dynamic model, moving clamping plate (11) are tight by screw
Admittedly fit together, for the gear core pulling mechanism and demoulding mechanism of installation mold, and with removable moving template floating moving template
(6) mold dynamic model part is constituted；The mould template motion guide component include die cavity guide post (12), moving template guide sleeve (13),
First backing plate guide sleeve (14), the 4th backing plate guide sleeve (15), dynamic model guide post (16), bottom plate guide sleeve (17)；Die cavity guide post (12) passes through
Elastic conjunction is installed on dynamic model third backing plate (9), is set with moving template guide sleeve (13) thereon；Dynamic model guide post (16) is installed on
On one backing plate guide sleeve (14), the 4th backing plate guide sleeve (15), bottom plate guide sleeve (17) be set on dynamic model guide post (16), convenient for dynamic model the
The installation of four backing plates (10), moving clamping plate.
2. a kind of rack drives Leave out thread execution injection mold synchronous with ejection according to claim 1, the mold rack gear takes off spiral shell
Line component includes rack drives oil cylinder (18), drive rack (19), the first transmission gear (20), jackshaft (21), jackshaft axis
Hold (22), the second transmission gear (23), thread spindle bottom end seal circle (25), thread spindle bottom end mounting plate (26), screw thread shaft gear
(27), thread spindle (28), screw thread axle bearing (29)；The cylinder rod screw of rack drives oil cylinder (18) is fastened on dynamic model third
One end of backing plate (9), cylinder body are then installed in the oil cylinder slot of the second backing plate of dynamic model (8), dynamic model third backing plate (9), and along
It can be moved in slot, to drive the drive rack (19) being installed on oil cylinder；Drive rack (19) is fastened on by screw
On rack drives oil cylinder (18), to drive the first transmission gear (20), the first transmission gear (20) to be installed on jackshaft (21),
Midship shaft bearing (22) has two up and down, and by upper and lower two midship shaft bearings (22), jackshaft (21) is installed on dynamic model second
On backing plate (8) and moving clamping plate (11)；Second transmission gear (23) is set on jackshaft (21), for transmitting the first driving cog
The rotational power of wheel (20) gives screw thread shaft gear；Thread spindle bottom end seal circle (25) is set on thread spindle (28), for preventing
The cooling water of thread spindle (28) is revealed；Carrying installation of the thread spindle bottom end mounting plate (26) for the bottom end of thread spindle (28)；Spiral shell
Line shaft gear (27) is set on thread spindle (28), for driving the rotation core pulling of thread spindle (28)；Thread spindle (28) is product
Thread core；Screw thread axle bearing (29) is used for the installation of thread spindle (28) on the second backing plate of dynamic model (8)；Rack gear Leave out thread group
Part is used for the Leave out thread core pulling of product.
3. a kind of rack drives Leave out thread execution injection mold synchronous with ejection according to claim 1, the mould balance ejection
Component includes ejection oblique push block (30), ejection oblique pushing goove (31), ejection skewed slot sliding seat (32), balance ejection intermediate gear
(33), balance ejection transmission gear (34), balance ejection driving gear (35), balance ejection rack gear (36)；Eject oblique push block
(30) there are two, the two sides of floating moving template (6) are fastened on by screw respectively, for the moving template that floats (6) in screw thread
When type core thread spindle (28) rotates, type core mold insert (4), floating moving template (6) are ejected upwards in rotation, by product from screw thread
Axis ejects on (28)；There are two ejection oblique pushing goove (31), ejection skewed slot sliding seat (32) are each, it is respectively arranged in rack drives oil cylinder
(18) and in balance ejection rack gear (36), ejection oblique push block (30), ejection oblique pushing goove (31) are curvilinear plane contact surface fit system
Contact ejects cant when for rack drives oil cylinder (18) and balance ejection rack gear (36) driving ejection oblique pushing goove (31) movement
Slot (31) driving ejection oblique push block (30) is ejected upwards by the rotation rate of climb of screw thread, de- with the rotation of matching thread axis (28)
Mould；Drive rack (19) passes through driving balance ejection intermediate gear (33), balance ejection transmission gear (34), balance ejection driving
Gear (35) is walked about to drive balance to eject rack gear (36), to guarantee driving balance ejection rack gear (36) and drive rack (19)
On ejection skewed slot sliding seat (32) drive corresponding ejection oblique push block (30), so that reaching balance ejects floating moving template
(6) purpose.
4. a kind of rack drives Leave out thread execution injection mold synchronous with ejection according to claim 1, the mold molding assembly
Including type chamber mold insert (3), type core mold insert (4), main body of two parts for product is formed, type chamber mold insert (3), type core mold insert
(4) panel (5) is fastened on, on floating moving template (6) by screw respectively.
5. a kind of rack drives Leave out thread execution injection mold synchronous with ejection according to claim 1, the mold runner component
Including sprue bush (1), locating ring (2)；Sprue bush (1), locating ring (2) are respectively arranged in panel (5) by screw fastening, float
On moving template (6)；Introducing for installation and injection-moulded plastic of the mold on injection molding machine.
6. a kind of rack drives Leave out thread execution injection mold synchronous with ejection according to claim 1, the mold parting number
For single parting, two chamber layout type of a mould, disposition cavity is centering type layout type, in order to Leave out thread mechanism installation and
Reduce die structure size.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018101768187 | 2018-03-04 | ||
| CN201810176818 | 2018-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110216841A true CN110216841A (en) | 2019-09-10 |
Family
ID=67822269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811064818.4A Withdrawn CN110216841A (en) | 2018-03-04 | 2018-09-13 | A kind of rack drives Leave out thread execution injection mold synchronous with ejection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110216841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111070595A (en) * | 2020-02-18 | 2020-04-28 | 创意塑胶工业（苏州）有限公司 | Injection mold for removing threads of plastic part |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203527722U (en) * | 2013-10-29 | 2014-04-09 | 南基塑胶模具(深圳)有限公司 | Mold thread core pulling driving and synchronization ejection mechanism |
-
2018
- 2018-09-13 CN CN201811064818.4A patent/CN110216841A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203527722U (en) * | 2013-10-29 | 2014-04-09 | 南基塑胶模具(深圳)有限公司 | Mold thread core pulling driving and synchronization ejection mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 许傲: ""斜度头洗发液瓶盖脱模机构及模具设计"", 《塑料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111070595A (en) * | 2020-02-18 | 2020-04-28 | 创意塑胶工业（苏州）有限公司 | Injection mold for removing threads of plastic part |
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