A kind of bottle cap cuts with scissors tooth injection mold
Technical field
It the utility model is related to a kind of bottle cap hinge tooth injection mold.
Background technology
It is for producing with the injecting products for twisting dental structure to twist tooth injection mold.Because product has tooth line structure, pass
For the injection mold of system in die sinking, the company with product is exited in part (i.e. thread spindle) needs rotation being connected with product tooth line
Connect, so that product being capable of break away from moulds.Using this structure, because thread spindle needs itself rotation that thread spindle circumference can be caused to rub
Heating is wiped, seriously mould molding part can be burnt out because of frictional heating so that die life and normal use are influenceed, so that product
It is easily deformed and the production cycle extends or product thread is twisted bad in Leave out thread.
In consideration of it, the present inventor carries out in-depth study to above mentioned problem, there is this case generation then.
Utility model content
The purpose of this utility model is that product quality can be ensured, improve die life, lifting life by providing one kind
Produce the bottle cap hinge tooth injection mold of efficiency.
In order to achieve the above object, technical scheme as the utility model use:
A kind of bottle cap cuts with scissors tooth injection mold, includes the first module and the second module of mutual cooperation, the first module and second
Chamber resettling corresponding with bottle cap is formed between module, the first module is provided with the material conveying passage connected with chamber resettling,
Also include thread spindle corresponding with the thread of bottle cap, in addition to for driving the rotary shaft of the bottle cap rotation and being revolved for driving
The drive mechanism of axis of rotation, rotary sleeve are located at outside the thread spindle, and chamber resettling, the thread spindle and rotary shaft are common
The shaping chamber for being molded bottle cap is surrounded, the cooling water pipe for being used for conveying cooling water is provided with the thread spindle.
As a kind of preferred embodiment of the present utility model, the chamber resettling is formed in the first module, the thread spindle
It is fixed in the second module, the rotary shaft is rotationally disposed in the second module.
As a kind of preferred embodiment of the present utility model, the bottle cap includes body of the bottle lid and is arranged in body of the bottle lid
Annular flange, the thread are arranged on the inwall of annular flange, are provided with along the axial direction of collar flange and set in the outer wall of annular flange
The guiding rib put, the inwall of the rotary shaft are provided with the stopper slot coordinated with being oriented to rib, and stopper slot is along the rotary shaft
Axially open up.
As a kind of preferred embodiment of the present utility model, Limit Bearing is provided between the thread spindle and the rotary shaft.
As a kind of preferred embodiment of the present utility model, first module is cover half, and second module is dynamic model, fixed
Mould includes No.1 plate, No. two plates and No. three plates, and No. two plates are arranged between No.1 plate and No. three plates, and the chamber resettling is formed
In No. three plates, dynamic model comprises at least No. four plates, No. five plates, No. six plates, No. seven plates, No. eight plates and ejector retainner plate, and No. four plates lean on
Nearly No. three plates are set, and No. five plates, No. six plates and No. seven plates are arranged between No. four plates and No. eight plates, and No. seven plates are consolidated with No. eight plates
Fixed connection, is provided with the first elastomeric element, the second elastomeric element is provided between No. six plates and No. seven plates between No. four plates and No. five plates,
The thread spindle is fixed on No. seven plates.
As a kind of preferred embodiment of the present utility model, in No. five plates and No. six plates embedded with plane bearing and
Needle bearing, the rotary shaft are located in plane bearing and needle bearing.
As a kind of preferred embodiment of the present utility model, first elastomeric element is excellent power glue, second elastic portion
Part is spring.
It is provided with as a kind of preferred embodiment of the present utility model, between first module and second module temporarily real
Show the nylon buckles that first module connects with second module, the hook material that material is hooked for being molded is provided with the No.1 plate
Pin, material pin is hooked through No. two plates and is connected with the material conveying passage..
As a kind of preferred embodiment of the present utility model, the drive mechanism includes motor, driving gear set and driving
Gear, drive gear are set in the rotary shaft, and drive gear is connected with driving gear set, driving gear set and motor
Drive connection.
After the technical solution of the utility model, in die sinking, thread spindle does not rotate, and drive mechanism drives rotary shaft to turn
Dynamic, rotary shaft drives bottle cap opposite thread axle to rotate, so that bottle cap departs from from the screw thread position of thread spindle, due to screw thread
Axle does not rotate, while molds moment and be provided with high separation structure again, and the gap that high separation goes out avoids thread spindle direct friction
Overheat influence to caused by the thread of bottle cap, ensures the quality of thread, Improving The Quality of Products, cooling water is provided with thread spindle
Pipe, is further cooled down by cooling water pipe to thread spindle, ensures the quality of bottle cap finished product, mould tool of the present utility model
There is the advantages of simple structure, easily manufactured.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged drawing at A in Fig. 1;
Fig. 3 is the structural representation of transmission mechanism in the utility model;
Fig. 4 is the structural representation of bottle cap in the utility model;
Fig. 5 is the structural representation of another angle in the utility model;
Fig. 6 is the structural representation of another angle in the utility model;
In figure:
11- No.1 plates No. bis- plates of 12-
The plates of plate 14- tetra- of 13- tri-
The plates of plate 16- six of 15- five
The plates of plate 18- eight of 17- seven
19- ejector retainner plate 20- bottle caps
21- body of the bottle lid 22- annular flanges
23- threads 24- is oriented to rib
30- thread spindle 40- rotary shafts
41- needle bearing 42- plane bearings
43- Limit Bearing 51- motors
52- driving gear set 53- drive gears
60- material conveying passages 61- hooks material pin
62- chamber resettling 70- cooling water pipes
81- the first elastomeric element the second elastomeric elements of 82-
83- nylon buckles
Embodiment
In order to which the technical solution of the utility model is explained further, it is described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to Fig. 6, a kind of bottle cap cuts with scissors tooth injection mold, includes the first module and the second module of mutual cooperation, the
Chamber resettling 62 corresponding with bottle cap 20 is formed between one module and the second module, the first module is provided with to be connected with chamber resettling 62
Logical material conveying passage 60, in addition to thread spindle 30 corresponding with the thread 23 of bottle cap 20, in addition to for driving the bottle
The rotary shaft 40 and the drive mechanism for driving rotary shaft 40 to rotate that lid 20 rotates, rotary shaft 40 are set in the thread spindle 30
Outside, chamber resettling 62, the thread spindle 30 and rotary shaft 40 surround the shaping chamber for being molded bottle cap 20 jointly, from material
Transfer passage 60 is sent into hot melting plastic, and hot melting plastic molds bottle cap 20 in chamber is molded.In the utility model, the screw thread
The cooling water pipe 70 for being used for conveying cooling water is provided with axle 30, thread spindle 30 is hollow thread axle, cooling water pipe 70 and hollow spiral shell
Line axle is coaxially disposed, and convey cooling water water into thread spindle 30 by cooling water pipe 70 cools down to thread spindle 30, cooling water
Realize and flowed out between the outer wall of cooling water pipe 70 and the inwall of rotary shaft after cooling effect.In the utility model, the first module
The position that bottle cap 20 and rotary shaft 40 are corresponded to the second module is provided with cooling-water duct, for mould, bottle cap 20 and rotation
Axle 40 is cooled down.
As a kind of preferred embodiment of the present utility model, the chamber resettling 62 is formed in the first module, the screw thread
Axle 30 is fixed in the second module, and the rotary shaft 40 is rotationally disposed in the second module.
As a kind of preferred embodiment of the present utility model, the bottle cap 20 includes body of the bottle lid 21 and is arranged on body of the bottle lid
Annular flange 22 in 21, the thread 23 are arranged on the inwall of annular flange 22, are provided with the outer wall of annular flange 22 along ring
The axially arranged guiding rib 24 of shape flange 22, in embodiment, it is 6 to be oriented to rib 24, and 6 are oriented to rib along convex annular
The circumferential of edge 22 is uniformly laid, and the inwall of the rotary shaft 40 is provided with the stopper slot coordinated with being oriented to rib 24 and (do not shown in figure
Go out), stopper slot is 6, and axial direction of the stopper slot along the rotary shaft 40 opens up, and is oriented to rib 24 and axial shifting is carried out in stopper slot
It is dynamic, so that bottle cap 20 is deviate from from rotary shaft 40.
As a kind of preferred embodiment of the present utility model, limit shaft is provided between the thread spindle 30 and the rotary shaft 40
Hold 43, in embodiment, Limit Bearing 43 uses ball bearing.
As a kind of preferred embodiment of the present utility model, first module is cover half, and second module is dynamic model, fixed
Mould includes 11, No. two plates 12 of No.1 plate and No. three plates 13, and No. two plates 12 are arranged between No.1 plate 11 and No. three plates 13, described
Chamber resettling 62 is formed in No. three plates 13, and in Fig. 1,11, No. two plates 12 of No.1 plate and No. three plates 13 are from left to right set successively
Put.Dynamic model comprises at least No. four plate 16, seven of plate 15, six plates 18 of plate 17, eight of plate 14, five and ejector retainner plate 19, in Fig. 1
In, No. four plate 16, seven of plate 15, six plates 18 of plate 17, eight of plate 14, five and ejector retainner plate 19 are from left to right set gradually,
No. four plates 14 are set close to No. three plates 13, and 15, No. six plates 16 of No. five plates and No. seven plates 17 are arranged on No. four plates 14 and No. eight plates
Between 18, No. seven plates 17 are fixedly connected with No. eight plates 18, and the first elastomeric element 81 is provided between No. four plates 14 and No. five plates 15, the
One elastomeric element 81 has and can make No. four plates 14 and the separated elastic force of No. five plates 15, is provided between No. six plates 16 and No. seven plates 17
Second elastomeric element 82, the second elastomeric element 82 have the elastic force for make it that No. six plates 16 separate with No. seven plates 17, the thread spindle
30 are fixed on No. seven plates 17.As a kind of preferred embodiment of the present utility model, first elastomeric element 81 is excellent power glue, institute
It is spring to state the second elastomeric element 82.
As a kind of preferred embodiment of the present utility model, plane axis is embedded with No. five plates 15 and No. six plates 16
42 and needle bearing 41 are held, the rotary shaft 40 is located in plane bearing 42 and needle bearing 41.Pass through the He of plane bearing 42
Needle bearing 41 ensures rotary shaft 40 around the stable rotation of central axis.
It is provided with as a kind of preferred embodiment of the present utility model, between first module and second module temporarily real
The nylon buckles 83 that existing first module connects with second module, first module is corresponding with second module to be set
There is the pin-and-hole of accommodating nylon buckles 83, the temporary transient connection of the first module and the second module is realized by nylon buckles 83, in certain external force
Under effect, nylon buckles 83 can depart from from the first module or the second module.Shape on the No.1 plate 11 and No. two plates 12
Into the hook material pin 61 that material is hooked for being molded, hook material pin 61 and connected with the material conveying passage 60, after injection, regrinding-material can be temporary
When be fixed on hook material pin 61 on, for causing No.1 plate 11 and No. two 12 temporary transient relative positionings of plate.
As a kind of preferred embodiment of the present utility model, the drive mechanism include motor 51, driving gear set 52 and
Drive gear 53, drive gear are set in the rotary shaft 40, and drive gear 53 is connected with driving gear set 52, transmission
Gear train 52 is connected with motor 51, and in embodiment, mould can be molded 48 bottle caps simultaneously, passes through a band of motor 51
Move 48 synchronous axial systems of rotary shaft 40.
In the utility model, mold actions order is as follows:
(1) mould mold, in the presence of nylon buckles 83, No. two plates 12 and No. three plates 13 are first turned on, until pin mark from
62 lira of chamber resettling is disconnected, and when mould continues to open, 5mm is disengaged between No.1 plate 11 and No. two plates 12, ensures that runner departs from
Hook material pin 61.
(2) mould active and inactive mold is opened, and No. three plates 13 separate with No. four plates 14, and oil circuit activation, motor 51 passes through travelling gear
The driving of group 52 rotary shaft 40 carries out molar.
(3) rotary shaft 40 drives bottle cap 20 to rotate by being oriented to rib 24, and thread spindle 30 is fixed, and bottle cap 20 rotates
When, thread spindle 30 is progressively disengaged, while the driving of motor 51 rotary shaft 40 carries out molar, in the effect of the second elastomeric element 82
Under, No. six plates 16 disengage with No. seven plates 17, are not contacted to ensure thread spindle 30 and rotary shaft 40 when molar, at least guarantee is more than
0.5mm gap, prevents core from sintering.At the same time, in the presence of the first elastomeric element 81, No. four plates 14 and No. five plates 15
Disengage, do not contacted to ensure push pedal set and rotary shaft when molar, prevent core from sintering.No. four plates 14 and No. five plates 15 are molar
When separate, bottle cap 20 can be released a segment distance from rotary shaft 40 vertically so that bottle cap 20 will not enter with No. four plates 14
Row friction so that bottle cap 20 can preferably be radiated, and preferably protect bottle cap 20;No. six plates 16 and No. seven plates 17 are molar
When separate, rotary shaft 40 can be caused preferably to rotate and reduce frictional heating.
(4) after bottle cap 20 departs from the threaded portion of thread spindle 30, motor 51 is stopped, and after injection machine obtains signal, starts
Push up rod ejection.Ejector retainner plate 19 is acted on, No. four plates 14 of linkage of ejector retainner plate 19 release bottle cap 20, and bottle cap 20 drops to streamline
On.
(5) mould matched moulds completes next circulation.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out similar thinking to it
Appropriate change or modification, all should be regarded as not departing from patent category of the present utility model.