A kind of low pressure is without entry nozzle injection mold
Technical field
The present invention relates to injection molding art, particularly to a kind of low pressure without entry nozzle injection mold.
Background technology
Existing cold runner low pressure injection mould the most only includes 1 glue-feeder, and use side or
Mode injecting glue in mould of glue is entered above person.Wherein, cold runner through product is set in mould
Each injecting glue position.After injection completes, sizing material curing molding in cold runner, form product
The mouth of a river unnecessary outside shape, causes material waste.Follow-up also need to special messenger to produce the mouth of a river
Carry out excision process, cause personnel to waste.Although existing hot flow path low pressure injection mould is supported many
Individual glue-feeder injecting glue, but need upper mold is carried out continuous heating in injection moulding process, to ensure
Sizing material in upper mold is in melting state all the time.Again upper mold is carried out quickly after injection completes
Cooling, to ensure formed product, needs to be equipped with special cooling device for this hot flow path injection-moulding device
Upper mold is quickly cooled down.So, in whole injection molding process, mould needs through adding
Heat arrives a process of cooling again, causes the formed product time long, affects production efficiency, the energy
Waste is serious;And the hot runner mould construction cycle is long, costly, later maintenance is difficult in die sinking,
Have a strong impact on construction cycle and the expense of product.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention be intended to provide one save runner and
Save the material low pressure with energy resource consumption without entry nozzle injection mold.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of New Low Voltage is molded without the mouth of a river, and it includes glue filling device and for formed product
Die assembly;Glue filling device includes some second axis of guides, is slideably positioned in some second guiding
The first installing plate on axle, provide ejecting cylinder, being arranged at first of power for the first installing plate
At least one gum-injecting port on installing plate and injecting glue cylinder;First installing plate connects with ejecting cylinder
Connect and gum-injecting port can be driven under the effect ejecting cylinder to combine with upper mold and separate;Each injecting glue
Mouth includes thimble, the tailstock barrel being sheathed on outside thimble and connects for providing sizing material with tailstock barrel
Sebific duct;Tailstock barrel includes root and is arranged at the head of root end, this root and the first peace
Dress plate connects, and this head is provided with the pin hole passed for thimble;This thimble is with injecting glue cylinder even
Connect and activity can be contained in pin hole under injecting glue cylinder action.
First installing plate is provided with through hole, and two fixed plates are set up in through hole along through hole bearing of trend
Relative two ends;The root of tailstock barrel is fixed in fixed plate by securing member.
The head of tailstock barrel is tapered.
One end of thimble is connected with corresponding injecting glue cylinder by an adapter sleeve, and the other end is movable
It is contained in tailstock barrel.
New Low Voltage includes, without mouth of a river injection, the top board that base plate is relative with base plate, for carrying note
The support platform of adhesive dispenser, some first axis of guides and promotion cylinder;Die assembly includes upper mold
And the lower mold coordinated with upper mold;Some first axis of guides are arranged between base plate and top board;Support
Platform is arranged between base plate and top board and can be sheathed on some in the effect lower slider promoting cylinder
On first axis of guide;Support and be provided with the groove corresponding with through hole on platform;Upper mold is arranged at support
Surface that platform is relative with base plate and be positioned at bottom groove, lower mold be arranged on base plate and with upper mold phase
Right;Each gum-injecting port could be detachably connected in upper mold through groove under injecting glue cylinder action.
Glue filling device includes and the second installing plate, some second stop collars and be sheathed on second and lead
Some second axle sleeves outside axle, the first installing plate and the second installing plate are along being parallel to support platform
Direction is arranged at intervals between support platform and top board;Some second axis of guides be fixed on support platform with
Between second installing plate;First installing plate is located at some by some second stop collar slip caps
Outside two axle sleeves;Each second stop collar protrudes from the table of the first installing plate towards the one end supporting platform
Face, in order to limit the first installing plate relative to the move distance supporting platform.
Promote cylinder to be arranged on top board, and one end connects through top board and the second installing plate.
The beneficial effects of the present invention is:
Gum-injecting port and upper mold are separable setting, in the most operationally gum-injecting port is directly entered upper mold
And separate with upper mold when injecting glue completes.So, it is not necessary to runner is set in upper mold, it is to avoid stream
Have a surplus glue and cause the waste of material in road.Meanwhile, have only to heat gum-injecting port during injecting glue
, it is not necessary to again upper mold heated and cool down, the effectively save energy.It addition, thimble can
Open relative to pin hole and close, accurately to control plastic cement injection rate, being formed and be molded without the mouth of a river.
Accompanying drawing explanation
Fig. 1 is the low pressure of the present invention schematic diagram without entry nozzle injection mold;
Fig. 2 is that low pressure shown in Fig. 1 is without the schematic diagram of glue filling device in entry nozzle injection mold;
Fig. 3 is the partial schematic diagram of glue filling device shown in Fig. 2;
Fig. 4 is the schematic diagram of gum-injecting port in glue filling device shown in Fig. 3;
Wherein: 10, installing rack;11, base plate;12, platform is supported;121, upper surface;123、
Lower surface;125, groove;13, top board;14, first axis of guide;15, the first stop collar;
16, the first axle sleeve;17, cylinder is promoted;20, glue filling device;21, adjustable shelf;210、
First installing plate;211, through hole;212, the second installing plate;213, fixed plate;214,
Two axis of guides;216, the second stop collar;218, the second axle sleeve;220, cylinder is ejected;23、
Gum-injecting port;230, adapter sleeve;231, thimble;232, tailstock barrel;2321, root;2323、
Head;2325, pin hole;233, sebific duct;234, securing member;25, injecting glue cylinder;27、
Fixed mount;40, lower mold;50, upper mold.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Refer to Fig. 1, a kind of low pressure of the present invention is without entry nozzle injection mold, and it includes installing rack
10, glue filling device 20 and the die assembly (non-label) for formed product.Wherein,
In the present embodiment, die assembly includes upper mold 50 and lower mold 40.Installing rack 10 includes base plate
11, support platform 12, top board 13, some first axis of guides 14, some first stop collars 15,
Some first axle sleeves 16 and promotion cylinder 17.Wherein, base plate 11, support platform 12 and top
Plate 13 is parallel to top by bottom successively and interval is arranged.
Each first axle sleeve 16 is sheathed on accordingly outside each first axis of guide 14 and leads with first
Jointly it is fixed on base plate 11 and top board 13 through support platform 12 to axle 14.Support platform
12 are located at the first axle of some first axis of guides 14 by some first stop collar 15 slip caps
Outside set 16.Wherein, each first stop collar 15 protrudes from support towards one end of base plate 11
The surface of platform 12, in order to limit the largest motion distance supporting platform 12 relative to base plate 11.
Support platform 12 to include towards the upper surface 121 of top board 13 and towards base plate 11 times
Surface 123.Support and in the middle part of platform 12, be provided through its upper surface 121 and lower surface 123
Rectangle groove 125.Glue filling device 20 is arranged on the upper surface 121 supporting platform 12.On
Mould 50 is arranged at the lower surface 123 supporting platform 12 and the bottom being positioned at groove 125.Lower mold
40 are arranged on base plate 11 and relative with upper mold 50.Promote cylinder 17 through top board 13 with
Glue filling device 20 connects, in order to drive glue filling device 20 and to support platform 12 relative to base plate 11
Move back and forth, be arranged in lower mold 40 so that upper mold 50 is separable.
The most in the lump referring to Fig. 2 and Fig. 3, glue filling device 20 includes being movably set in support platform 12
On adjustable shelf 21, four gum-injecting ports 23 and respectively four of being arranged on adjustable shelf 21
Individual gum-injecting port 23 provides four injecting glue cylinders 25 of power.Adjustable shelf 21 includes the first installation
Plate the 210, second installing plate 212, some second axis of guides 214, some second stop collars 216,
Some second axle sleeves 218 and two eject cylinder 220.First installing plate 210 and the second peace
Dress plate 212 is arranged at intervals at support platform 12 and top board 13 along the direction being parallel to support platform 12
Between.Wherein, the first installing plate 210 be arranged at support platform 12 and the second installing plate 212 it
Between.
Each second axle sleeve 218 be sheathed on each second axis of guide 214 outer and with second axis of guide
214 are fixed on support platform 12 and the second installing plate 212 through the first installing plate 210.
First installing plate 210 is located at some second axis of guides by some second stop collar 216 slip caps
Outside second axle sleeve 218 of 214.Wherein, each second stop collar 216 is towards supporting platform 12
One end protrude from the surface of the first installing plate 210, relative in order to limit the first installing plate 210
In the largest motion distance supporting platform 12.First installing plate 210 and groove 125 correspondence position
Offer through hole 211.Two fixed plates 213 are set up in through hole 211 along through hole 211 bearing of trend
Between relative two ends.
Cylinder 17 is promoted to be connected with the second installing plate 212, in order to drive activity through top board 13
Frame 21 and support platform 12 move back and forth relative to base plate 11, so that upper mold 50 is separable
It is arranged in lower mold 40.Two eject cylinder 220 be connected to the first installing plate 210 with
Between second installing plate 212, for drive the first installing plate 210 near with away from support platform
The direction of 12 moves back and forth.It is to be appreciated that in some other embodiment gum-injecting port 23
Depending on quantity can be according to glue-feeder quantity required during formed product, in this no limit.
The most in the lump referring to Fig. 4, four injecting glue cylinders 25 are installed by four fixed mounts 27 respectively
In two fixed plates 213, and the line between four is oblong-shaped.Four gum-injecting ports
23 are connected with four injecting glue cylinders 25 respectively.Each gum-injecting port 23 includes adapter sleeve 230, top
Pin 231, tailstock barrel 232, sebific duct 233 and securing member 234.Tailstock barrel 232 substantially in
Hollow form, it includes cylindrical root 2321 and is arranged at the head of root 2321 one end
2323.Wherein, head 2323 is taper, is provided with the pin hole passed for thimble 231
2325.The root 2321 of tailstock barrel 232 is fixed on fixed plate 213 by securing member 234
To the side of support platform 12, head 2323 is connected through through hole 211 with upper mold 50.Thimble
One end of 231 is connected with corresponding injecting glue cylinder 25 by adapter sleeve 230, and the other end passes
In tailstock barrel 232 activity is contained in pin hole 2325 and can open under the effect of injecting glue cylinder 25
With closedown pin hole 2325.Sebific duct 233 is arranged at outside tailstock barrel 232 and connects with tailstock barrel 232
Logical, it is used for providing plastic cement sizing material.
Operationally, adjustable shelf 21 and support platform 12 promote cylinder 17 effect under to leaning on
Nearly base plate 11 direction is moved, so that upper mold 50 pressure is located in lower mold 40.First installing plate
210 move near the direction supporting platform 12 under two effects ejecting cylinder 220, from
And make four gum-injecting ports 23 insert in upper mold 50.Meanwhile, four sebific ducts 233 are respectively to correspondence
Tailstock barrel 232 in inject plastic cement sizing material.Four thimbles 231 are at corresponding injecting glue cylinder 25
Separate with pin hole 2325 under drive, so that plastic cement sizing material is flowed out by pin hole 2325 and directly notes
Enter in upper mold 50.After injecting glue completes, four thimbles 231 are at the band of corresponding injecting glue cylinder 25
It is embedded under Dong in the pin hole 2325 of correspondence, to stop plastic cement sizing material to be flowed out by pin hole 2325.
Promote cylinder 17 to drive adjustable shelf 21 to move to away from base plate 11 direction with supporting platform 12, make
Upper mold 50 separates with lower mold 40.Two eject cylinder 220 and drive the first installing plate 210 to far
Move, so that four gum-injecting ports 23 separate with upper mold 50 from supporting platform 12.
In the present invention, gum-injecting port 23 and upper mold 50 are separable setting, the most operationally injecting glue
In mouth 23 is directly entered upper mold 50 and separate with upper mold 50 when injecting glue completes.So, nothing
The cold runner at each injecting glue position of through product additionally need to be set in upper mold 50, it is to avoid runner
Have a surplus glue and cause the waste of material, and avoid remaining adhesive curing to form the water in addition to shape of product
Mouthful.Meanwhile, during hot flow path low pressure injection mould injecting glue, it is only necessary to heating gum-injecting port
23, it is not necessary to again upper mold 50 is heated, the effectively save energy.It addition, thimble 231 can
Open relative to pin hole 2325 and close, accurately to control plastic cement injection rate, being formed without the mouth of a river
Injection.
It will be apparent to those skilled in the art that can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to the protection domain of the claims in the present invention.