CN109878034A - Three layers of core-drawing demoulding mechanism of mold - Google Patents
Three layers of core-drawing demoulding mechanism of mold Download PDFInfo
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- CN109878034A CN109878034A CN201711273937.6A CN201711273937A CN109878034A CN 109878034 A CN109878034 A CN 109878034A CN 201711273937 A CN201711273937 A CN 201711273937A CN 109878034 A CN109878034 A CN 109878034A
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Abstract
The present invention provides a kind of three layers of core-drawing demoulding mechanisms of mold；Mechanism uses multilayer multiple step format demoulding mechanism; the core core pulling of central inner type is first driven using oil cylinder; middle layer thread core Leave out thread is then carried out by oil cylinder drive rack again, side core pulling, three layers of four stripping action of implementation mechanism are finally carried out by inclined guide pillar driving outer layer side slide；The inventive die mechanism provided by adopting the above technical scheme can be realized with simple mechanism and require the zero-fault of characteristic product to automate molding production with side mostly demoulding, and mould structure design is reasonable, compact-sized, the operation is stable.
Description
Technical field
The present invention relates to injection mold mechanism design field, specially the three of injection mold demoulding layer core pulling four times demouldings
Mechanism.
Background technique
Industrial and agricultural production equipment, medical pharmaceutical equipment, toy structure, in unmanned machine part field, modified plastics part
Using more and more extensive；Such as the system in parts, especially plastics such as medical pharmaceutical equipment, unmanned plane, toy, industrial centrifugal pumps
Make, not only there is higher requirement in terms of material service performance, also with more function requirement in structure type,
There are tri- features of A, B, C to influence demoulding in product feature as shown in Figure 1, on the inner hole of product, and A is the side in cylinder
Hole, B be cylinder in internal screw thread, C is helical teeth, thus, have both multiple functions requirement plastic demoulding require it is complex, it is right
For such plastic uses injection molding production method, the design of demoulding mechanism is generally complex, there is certain design difficulty.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of three layers of four core-drawing demoulding mechanism of mold are provided, design is closed
Reason, compact-sized, the operation is stable are securely and reliably, easy-to-use；In order to solve the above-mentioned prior art problems, the present invention is using such as
Lower scheme: three layers of core-drawing demoulding mechanism of mold, including mandrel sliding block sliding support, mandrel mandrel drive cylinder mandrel pull T-type
Slot sliding block, mandrel sliding block, mandrel compact heap, mandrel water-impermeable piece, mandrel outer end water proof ring, bobbin-type core, thread bush, screw-type
Core, thread bush supporting plate, cradling piece, backing plate, rack drives oil cylinder, rack gear, primary transmission gear, secondary transmission gear, bearing, tooth
Wheel shaft, rack case bottom plate, inclined guide pillar, sliding block positive stop bead, slider layering, sliding block power assistant spring, sliding block side core, ratchet flank type
Core mold insert, wedging be fast, wearing plate, sliding block.
Three layers of core-drawing demoulding mechanism function has 3；First is central type core core pulling, completes the de- of central feature
Mould, correspondence part are bobbin-type core；Second be middle layer characteristic threads core pulling, complete the demoulding of screw thread, correspond to zero
Part is thread core；Third is outer stratotype core core pulling, completes the demoulding of outer wall feature, correspondences part be sliding block side core,
Hook tooth side core mold insert.
In three layers of core-drawing demoulding mechanism, rack case bottom plate is fastened on the mold dynamic model of application by screw
Support base on plate as mandrel sliding block sliding support, mandrel mandrel drive cylinder are installed on the one of mandrel sliding block sliding support
The core bar of side, oil cylinder is coupled with mandrel sliding block by screw fastening, and mandrel sliding block and mandrel pull T-slot sliding block to pass through oblique T-type
Slot sliding is coupled, and bobbin-type core is fastened on mandrel by screw and pressing plate and pulls on T-slot sliding block, and mandrel pulls T-slot
Sliding block is installed on mandrel sliding block sliding support, slides be coupled for T-slot between the two, and mandrel pulls T-slot sliding block can be in core
It horizontally slips on axis sliding block sliding support；Bobbin-type core is demoulding core pulling part, is set with thread core, screw thread on bobbin-type core
Type core and thread bush are spiral marking connection, and thread bush is installed on thread bush supporting plate, are fixed part；Thread bush supporting plate, branch
Hack lever, backing plate are securedly mounted to constitute the rotating bracket of thread core together by screw；Primary transmission gear, secondary transmission
Gear is installed on gear shaft, and secondary transmission gear is installed on thread bush supporting plate by bearing, on backing plate, primary transmission gear by
Rack drives, so that secondary transmission gear, gear shaft rotation are driven, so that thread bush is driven to rotate, rack drives oil cylinder, rack gear
Be securedly mounted to together by screw, the core bar of rack drives oil cylinder be mounted on by screw it is fixed on rack case bottom plate,
So that cylinder body can be slided along guide groove when rack drives cylinder action, so that thread core be driven to turn with carry-over bar
It is dynamic；Thread core is set on bobbin-type core, and the right design has the external screw thread being rotatably assorted with thread core, left-hand end design
There is thread forming position, the second segment design on the left side toward the right has the wear-resisting shoulder being rotatably assorted with template；Inclined guide pillar is by wedging
It tightly pushes down and is installed on applied stationary mould for mould plate fastly, wedging passes through screw fastly and is fastened on applied stationary mould for mould plate
On, constitute unlatching driving and the closure locking driving assembly of sliding block；Composition sliding block is installed on by slider layering and screw is answered
With on the moving template of mold, can be slided in the slide block slot that slider layering is constituted；Hook tooth side core mold insert is fastened on
On sliding block, outside is set with sliding block side core, and sliding block side core and sliding block are link joint, separates by sliding block power assistant spring
Driving, separating distance are controlled by the screw rod for passing through sliding block side core, which is installed on sliding block, sliding block
Sliding stroke limits the sliding block positive stop bead by being installed on applied mold moving template to limit.
The central type core core pulling component includes mandrel sliding block sliding support, mandrel mandrel drive cylinder mandrel pulling T-type
Slot sliding block, mandrel sliding block, mandrel compact heap, mandrel water-impermeable piece, mandrel outer end water proof ring, bobbin-type core, bobbin-type in-core open up
There is water channel, water channel is separated into two water channels by mandrel water-impermeable piece, and water channel tail end is sealed by mandrel outer end water proof ring, mandrel pressure
Tight block compresses mandrel outer end water proof ring, and mandrel mandrel drive cylinder mandrel pulls T-slot sliding block, mandrel sliding block, mandrel
Compact heap, mandrel water-impermeable piece, mandrel outer end water proof ring, bobbin-type core, bobbin-type core are assembled together as an entirety, bobbin-type
The tail end of core and mandrel pull T-slot sliding block to be bound up by T-slot, mandrel drive cylinder by driving mandrel sliding block come
Entire assembly and bobbin-type core is driven to be slid in and out on mandrel sliding block sliding support to complete outside core pulling.
The Leave out thread component includes thread bush, thread core, thread bush supporting plate, cradling piece, backing plate, rack drives oil
Cylinder, rack gear, primary transmission gear, secondary transmission gear, bearing, gear shaft, rack case bottom plate；Thread bush supporting plate, cradling piece, pad
Plate constitutes rack transmission system bracket, is installed on institute's application mold moving template, primary transmission gear, secondary transmission gear
It is installed on the shelf by bearing, gear shaft；Rack drives oil cylinder is installed on rack case bottom plate, for driving tooth thereon
Item；Thread core is set on bobbin-type core, is machined with driving gear thereon, and by secondary transmission gear mesh, it is driven, spiral shell
The lead of screw thread of line type core is controlled by thread bush, and the right end of thread core is coupled with thread bush, is in addition set in cunning for one section
In block side core and sliding block is passed through, thread bush is installed on thread bush supporting plate by screw；Rack drives oil cylinder is driven by rack gear
Dynamic primary transmission gear, secondary transmission gear and rotated to drive thread core.
The side core- pulling of sliding block component includes inclined guide pillar, sliding block positive stop bead, slider layering, sliding block power assistant spring, sliding block side
Type core, hook tooth side core mold insert, wedging be fast, wearing plate, sliding block；Sliding block side core is by screw and sliding block link joint one
It rises, separates sliding block power assistant spring and its screw carries out set a distance control, hook tooth side core mold insert is coupled with sliding block fastening, sliding
Block is installed on moving template by slider layering, and the inclined guide pillar by being installed on solid plate is driven, be pushed outwardly by
Sliding block power assistant spring limits it by sliding block positive stop bead to drive.
When the mechanism core pulling, the outside core pulling of bobbin-type core is first driven by mandrel drive cylinder, is then driven by oil cylinder with gear racks
Dynamic thread core Leave out thread finally carries out lateral core pulling twice by inclined guide pillar driving sliding block side core.
A kind of application method of three layers of core-drawing demoulding mechanism of foregoing mould is also claimed in the application.
The utility model has the advantages that three layers of core-drawing demoulding mechanism of a kind of mold that the present invention provides by adopting the above technical scheme, solve
On product when the inner side edge core pulling of the same side hole characteristic, there is multilayer to need core_pulling demoulding, outer layer needs straight core pulling, and middle layer needs
Screw thread core pulling, internal layer need straight core pulling, and the side core-pulling release problems that entire side opening feature package power is bigger.
In the present invention: the technical issues of central type core core pulling component parts solve is: it is big for endothecium structure package power, together
When cooled down to ensure the small problem of Internal Hole Deformation, the beneficial effect reached is: realizing central bore and its periphery
The small deformation of feature is demoulded without deformation.
In the present invention: the technical issues of Leave out thread component parts solve is: it is difficult for the demoulding of intermediate thread feature, it packs tightly
Power is bigger, and the problem of Leave out thread mechanism difficult design, the beneficial effect reached is: by the guidance of screw thread guide ring,
The molding accuracy that ensure that product screw position reduces the difficulty of Leave out thread mechanism design, realizes this feature and takes off spiral shell
The automated production of line, reduces die manufacturing cost.
In the present invention: the technical issues of side core- pulling of sliding block component parts solve is: multiple for outer layer side core-pulling feature structure
Miscellaneous, the big problem of package power becomes the minimum of the position feature on caused product when demoulding using the method demoulded twice
Shape, the beneficial effect reached are；Deformation is very small or even without deformation when lateral orifices outer layer feature demoulds, and product has been effectively ensured
Appearance and the yield rate for improving product.
The present invention is whole, compared to the prior art for the design for the mechanism for thering are three layers of demoulding to need, the beneficial effect is that:
Mechanism structure design is simple, and the die space of occupancy is small, and internal layer core pulling is big, and reliable and stable, middle layer thread mechanism can be answered accurately
Position, guarantees the identity of each product screw position, outer layer mechanism when demoulding caused product become smaller minimum, and inside and outside molding
Part can be winding is effectively cooled, and be able to achieve same side and demoulded the zero-fault automation molding production for requiring characteristic product more, have
Effect it ensure that forming quality of products；Reasonable in design, compact-sized, the operation is stable is securely and reliably, easy-to-use.
Detailed description of the invention
Fig. 1 product structure；
Fig. 2 demoulding mechanism composition；
Fig. 3 organization distribution；
Fig. 4 Leave out thread component side view；
The installation of Fig. 5 rack structure；
Installation of Fig. 6 mechanism on mold；
Fig. 7 mechanism closed mode state；
The center Fig. 8 core package core pulling state；
Fig. 9 Leave out thread component Leave out thread state；
Figure 10 side core- pulling of sliding block component core pulling state.
Specific embodiment
Fig. 1-10 show related description figure of the present invention；Mechanism applies the product structure being directed to as shown in Figure 1, product is
Thin shell piece, average wall thickness 1.8mm, material use modified ABS+PC；There are tri- features of A, B, C to influence to take off on the inner hole of product
Mould, A are the square hole in cylinder, and B is the internal screw thread in cylinder, and C is helical teeth.
To a kind of structure specific implementation situation of medical infusion pump housing injection mold are as follows: such as Fig. 2, Fig. 3, Fig. 4, Fig. 5 institute
Show, three layers of core-drawing demoulding mechanism of mold, including mandrel sliding block sliding support 1,2 mandrel of mandrel mandrel drive cylinder pull T-slot
Sliding block 3, mandrel sliding block 4, mandrel compact heap 5, mandrel water-impermeable piece 6, mandrel outer end water proof ring 7, bobbin-type core 8, thread bush 9, spiral shell
Line type core 10, thread bush supporting plate 11, cradling piece 12, backing plate 13, rack drives oil cylinder 14, rack gear 15, primary transmission gear 16, two
Grade transmission gear 17, gear shaft 19, rack case bottom plate 20, inclined guide pillar 21, sliding block positive stop bead 22, slider layering 23, is slided bearing 18
Block power assistant spring 24, sliding block side core 25, hook tooth side core mold insert 26, wedging be fast 27, wearing plate 28, sliding block 29.
In three layers of core-drawing demoulding mechanism, rack case bottom plate 20 is dynamic by the mold that screw is fastened on application
Support base in template as mandrel sliding block sliding support 1, mandrel mandrel drive cylinder 2 are installed on mandrel sliding block sliding support 1
Side, the core bar of oil cylinder is coupled with mandrel sliding block 4 by screw fastening, and mandrel sliding block 4 and mandrel pull T-slot sliding block 3 to lead to
It crosses oblique T-slot sliding to be coupled, bobbin-type core 8 is fastened on mandrel by screw and pressing plate and pulls on T-slot sliding block 3, mandrel
It pulls T-slot sliding block 3 to be installed on mandrel sliding block sliding support 1, slides be coupled for T-slot between the two, mandrel pulls T-slot
Sliding block 3 can horizontally slip on mandrel sliding block sliding support 1；Bobbin-type core 8 is demoulding core pulling part, is set on bobbin-type core 8
There is thread core 10, thread core 10 and thread bush 9 are spiral marking connection, and thread bush 9 is installed on thread bush supporting plate 11, for fixation
Motionless part；Thread bush supporting plate 11, cradling piece 12, backing plate 13 are securedly mounted to together, constitute thread core 10 by screw
Rotating bracket；Primary transmission gear 16, secondary transmission gear 17 are installed on gear shaft 19, and secondary transmission gear 17 passes through bearing
18 are installed on thread bush supporting plate 11, on backing plate 13, and primary transmission gear 16 is driven by rack gear 15, to drive secondary transmission gear
17, gear shaft 19 rotates, so that thread bush 9 be driven to rotate, rack drives oil cylinder 14, rack gear 15 are securedly mounted to one by screw
Rise, the core bar of rack drives oil cylinder 14 be mounted on by screw it is fixed on rack case bottom plate 20, thus, rack drives oil cylinder
When 14 movement, cylinder body can be slided along guide groove, so that thread core 10 be driven to rotate with carry-over bar 15；Thread core
10 are set on bobbin-type core 8, and the right design has the external screw thread being rotatably assorted with thread core 10, and left-hand end design has screw thread
The second segment design of forming part, the left side toward the right has the wear-resisting shoulder being rotatably assorted with template；Inclined guide pillar 21 is by wedging fast 27
It tightly pushes down and is installed on applied stationary mould for mould plate, wedging fast 27 is fastened on applied stationary mould for mould plate by screw
On, constitute unlatching driving and the closure locking driving assembly of sliding block 29；Sliding block 29 is constituted to install by slider layering 23 and screw
In on the moving template of applied mold, can be slided in the slide block slot that slider layering 23 is constituted；Hook tooth side core mold insert 26
It being fastened on sliding block 29, outside is set with sliding block side core 25, and sliding block side core 25 and sliding block 29 are link joint,
Separation is driven by sliding block power assistant spring 24, and separating distance is controlled by the screw rod for passing through sliding block side core 25, screw flight connection
Knot end is installed on sliding block 29, and the sliding stroke of sliding block 29 limits the sliding block positive stop bead by being installed on applied mold moving template
22 limit.
Three layers of core-drawing demoulding mechanism function has 3, and first is central type core core pulling, completes the de- of central feature
Mould, correspondence part are bobbin-type core 8；Second be middle layer characteristic threads core pulling, complete the demoulding of screw thread, correspond to zero
Part is thread core 10；Third is outer stratotype core core pulling, completes the demoulding of outer wall feature, and correspondence part is sliding block side core
25, hook tooth side core mold insert 26.
The central type core core pulling component includes mandrel sliding block sliding support 1, mandrel mandrel drive cylinder 2, mandrel pulling T
Type groove sliding block 3, mandrel sliding block 4, mandrel compact heap 5, mandrel water-impermeable piece 6, mandrel outer end water proof ring 7, bobbin-type core 8, bobbin-type
Water channel is offered in core 8, water channel is separated into two water channels by mandrel water-impermeable piece 6, and water channel tail end is carried out by mandrel outer end water proof ring 7
Sealing, mandrel compact heap 5 compress mandrel outer end water proof ring 7, and 2 mandrel of mandrel mandrel drive cylinder pulls T-slot sliding block
3, mandrel sliding block 4, mandrel compact heap 5, mandrel water-impermeable piece 6, mandrel outer end water proof ring 7, bobbin-type core 8, bobbin-type core 8 are assemblied in
It is together an entirety, tail end and the mandrel of bobbin-type core 8 pull T-slot sliding block 3 to be bound up by T-slot, and mandrel drives
Dynamic oil cylinder 2 drives entire assembly and bobbin-type core 8 outside on mandrel sliding block sliding support 1 by driving mandrel sliding block 4
Sliding is to complete outside core pulling.
The Leave out thread component includes thread bush 9, thread core 10, thread bush supporting plate 11, cradling piece 12, backing plate 13, tooth
Drive cylinder 14, rack gear 15, primary transmission gear 16, secondary transmission gear 17, bearing 18, gear shaft 19, rack case bottom plate
20；Thread bush supporting plate 11, cradling piece 12, backing plate 13 constitute rack transmission system bracket, are installed on institute's application mold dynamic model
On plate, primary transmission gear 16, secondary transmission gear 17 are installed on the shelf by bearing 18, gear shaft 19；Rack drives
Oil cylinder 14 is installed on rack case bottom plate 20, for driving rack gear 15 thereon；Thread core 10 is set on bobbin-type core 8,
On be machined with driving gear, it is driven by secondary transmission gear 17, the lead of screw thread of thread core 10 by thread bush 9 into
Row control, the right end of thread core 10 are coupled with thread bush 9, are in addition set in sliding block side core 25 and pass through sliding block for one section
29, thread bush 9 is installed on thread bush supporting plate 11 by screw；Rack drives oil cylinder 14 drives primary transmission tooth by rack gear 15
Wheel 16, secondary transmission gear 17 and rotated to drive thread core 10.
The side core- pulling of sliding block component includes inclined guide pillar 21, sliding block positive stop bead 22, slider layering 23, sliding block power assistant spring
24, sliding block side core 25, hook tooth side core mold insert 26, wedging be fast 27, wearing plate 28, sliding block 29；Sliding block side core 25 passes through
Screw separates sliding block power assistant spring 24 and its screw carries out set a distance control, hook tooth together with 29 link joint of sliding block
Side core mold insert 26 is coupled with the fastening of sliding block 29, and sliding block 29 is installed on moving template 6 by slider layering 23, and fixed by being installed on
Inclined guide pillar 21 in template 5 is driven, and is pushed outwardly by sliding block power assistant spring 24 and is driven, and right by sliding block positive stop bead 22
It is limited.
When the mechanism core pulling, the outside core pulling of bobbin-type core 8 is first driven by mandrel drive cylinder 2, then by oil cylinder with gear racks 1
10 Leave out thread of thread core is driven, finally drives sliding block side core 25 to carry out lateral core pulling twice by inclined guide pillar 21.
In actual work, the course of work of mold is divided into following steps, mold injection die sinking and mold die closing；With list
For the mechanism action of a product, as shown in figure 5, die sinking process is completed by following steps:
1) mold injection finishes, and waits die sinking, as shown in Figure 6；
2) mandrel mandrel drive cylinder 2 drives the outside core pulling 45mm of bobbin-type core 8, and 2 stroke of mandrel mandrel drive cylinder is about
For 97mm, as shown in Figure 7；
3) injection pressure is first shed, is then completed using rack drives oil cylinder 14 and its gear combination driving thread core 10
B screw thread Leave out thread, the stroke of rack drives oil cylinder 14 are about 300mm, as shown in Figure 8.
Mold parting surface is opened, and inclined guide pillar 21 drives sliding block 29, hook tooth side core mold insert 26 to realize the de- of helical teeth C feature
Mould completes the first time core pulling of slide block assembly, and sliding block power assistant spring 24 is pushed away sliding block side core 25 is counter this moment, to guarantee first
The knockout press of secondary demoulding is a little bit smaller without drawing bad product, and then inclined guide pillar 21 drives sliding block 29, sliding block side core 25 to complete product
The demoulding of lateral feature, as shown in Figure 10.
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 (3)
1. three layers of core-drawing demoulding mechanism of mold, including mandrel sliding block sliding support (1), mandrel mandrel drive cylinder (2), mandrel are drawn
Dynamic T-slot sliding block (3), mandrel sliding block (4), mandrel compact heap (5), mandrel water-impermeable piece (6), mandrel outer end water proof ring (7), mandrel
Type core (8), thread bush (9), thread core (10), thread bush supporting plate (11), cradling piece (12), backing plate (13), rack drives oil
Cylinder (14), rack gear (15), primary transmission gear (16), secondary transmission gear (17), bearing (18), gear shaft (19), rack case
Bottom plate (20), inclined guide pillar (21), sliding block positive stop bead (22), slider layering (23), sliding block power assistant spring (24), sliding block side core
(25), hook tooth side core mold insert (26), wedging fast (27), wearing plate (28), sliding block (29)；Three layers of core-drawing demoulding mechanism
In, rack case bottom plate (20) is fastened on the mold moving template of application as mandrel sliding block sliding support by screw
(1) support base, mandrel mandrel drive cylinder (2) are installed on the front side of mandrel sliding block sliding support (1), oil cylinder by screw
Core bar and mandrel sliding block (4) is coupled by screw fastening, mandrel sliding block (4) and mandrel pull T-slot sliding block (3) to pass through the two
Cooperation oblique T-slot sliding be coupled, bobbin-type core (8) is fastened on mandrel pulling T-slot sliding block (3) by screw and pressing plate
On, conduit is corresponded in the T-slot and mandrel sliding block sliding support (1) that mandrel pulls T-slot sliding block (3) to pass through its own lower end
Match and be installed on mandrel sliding block sliding support (1), by being between the two that T-slot sliding is coupled, mandrel pulls T-slot sliding block
(3) it can horizontally slip on mandrel sliding block sliding support (1)；Bobbin-type core (8) is to demould core pulling part, on bobbin-type core (8)
It is set with thread core (10), thread core (10) and thread bush (9) are spiral marking connection, and thread bush (9) is installed on thread bush branch
It is remained stationary after on plate (11) by the locking of locking Screw；Thread bush supporting plate (11), cradling piece (12), backing plate (13) pass through
Screw is fastened on rack case bottom plate (20) by screw again after being securedly mounted to together, constitutes turning for thread core (10)
Dynamic bracket；Primary transmission gear (16), secondary transmission gear (17) are installed on gear shaft (19) by key pin, gear shaft (19)
Thread bush supporting plate (11) is installed on, on backing plate (13) by bearing (18), primary transmission gear (16) is driven by rack gear (15), from
And secondary transmission gear (17), gear shaft (19) rotation are driven, so that thread bush (9) is driven to rotate, rack drives oil cylinder (14),
Rack gear (15) is securedly mounted to together by screw, and the core bar of rack drives oil cylinder (14) is mounted on rack case bottom plate by screw
(20) fixed on, thus, when rack drives oil cylinder (14) acts, cylinder body can be slided along guide groove, to drive
Rack gear (15) come drive thread core (10) rotate；Thread core (10) is set on bobbin-type core (8), and the right design has and spiral shell
The external screw thread that line type core (10) is rotatably assorted, left-hand end design have thread forming type core, and the second segment on the left side toward the right designs
There is the wear-resisting shoulder being rotatably assorted with template；Inclined guide pillar (21) is tightly pushed down to be installed on by screw and be applied by wedging fast (27)
On stationary mould for mould plate, wedging fast (27) is fastened on applied stationary mould for mould plate by screw, constitutes the drive of sliding block (29)
It is dynamic to open and be closed interlock assembly；Sliding block (29) is installed on the moving template of applied mold by slider layering (23) and screw
On, it can the sliding in the slide block slot that slider layering (23) are constituted；Hook tooth side core mold insert (26) is fastened on sliding block
(29) on, outside is set with sliding block side core (25), and sliding block side core (25) and sliding block (29) are link joint, and separation is opened
Dynamic to be driven by sliding block power assistant spring (24), separating distance is controlled by the spacing length for passing through the screw rod of sliding block side core (25),
The screw flight connecting end is installed on sliding block (29), and the sliding stroke limit of sliding block (29) is moved by being installed on applied mold
Sliding block positive stop bead (22) in template limits.
2. three layers of core-drawing demoulding mechanism of mold according to claim 1, the Leave out thread component includes thread bush (9), thread core
(10), thread bush supporting plate (11), cradling piece (12), backing plate (13), rack drives oil cylinder (14), rack gear (15), primary transmission tooth
Take turns (16), secondary transmission gear (17), bearing (18), gear shaft (19), rack case bottom plate (20)；Thread bush supporting plate (11), branch
Hack lever (12), backing plate (13) constitute rack transmission system bracket, are installed on institute's application mold moving template, primary transmission tooth
Wheel (16), secondary transmission gear (17) are installed on the shelf by bearing (18), gear shaft (19)；Rack drives oil cylinder (14)
Rack case bottom plate (20) are installed on, for driving rack gear (15) thereon；Thread core (10) is set on bobbin-type core (8),
It is machined with driving gear thereon, it is driven by secondary transmission gear (17), the lead of screw thread of thread core (10) is by spiral shell
Line set (9) is controlled, and the right end of thread core (10) is coupled with thread bush (9), is in addition set in sliding block side core for one section
(25) in and sliding block (29) are passed through, thread bush (9) is installed on thread bush supporting plate (11) by screw；Rack drives oil cylinder (14)
Thread core (10) is driven by rack gear (15) driving primary transmission gear (16), secondary transmission gear (17) to be revolved
Turn.
3. a kind of application method of three layers of core-drawing demoulding mechanism of mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273937.6A CN109878034A (en) | 2017-12-06 | 2017-12-06 | Three layers of core-drawing demoulding mechanism of mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273937.6A CN109878034A (en) | 2017-12-06 | 2017-12-06 | Three layers of core-drawing demoulding mechanism of mold |
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| CN109878034A true CN109878034A (en) | 2019-06-14 |
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| CN201711273937.6A Withdrawn CN109878034A (en) | 2017-12-06 | 2017-12-06 | Three layers of core-drawing demoulding mechanism of mold |
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| CN104859111A (en) * | 2015-06-21 | 2015-08-26 | 张向荣 | Oil cylinder two-time parting core-pulling injection mould |
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2017
- 2017-12-06 CN CN201711273937.6A patent/CN109878034A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859111A (en) * | 2015-06-21 | 2015-08-26 | 张向荣 | Oil cylinder two-time parting core-pulling injection mould |
Non-Patent Citations (1)
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| 汪哲能: "医用输液泵体多层式复合脱模机构与注塑模具结构", 《工程塑料应用》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108099111A (en) * | 2017-12-13 | 2018-06-01 | 乌鲁木齐九品芝麻信息科技有限公司 | MEDICAL WASTE TREATMENT equipment and its manufacturing method |
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Application publication date: 20190614 |