CN207028109U - It is a kind of to fix bit-type dehumidifying barrel at high proportion - Google Patents
It is a kind of to fix bit-type dehumidifying barrel at high proportion Download PDFInfo
- Publication number
- CN207028109U CN207028109U CN201720722090.4U CN201720722090U CN207028109U CN 207028109 U CN207028109 U CN 207028109U CN 201720722090 U CN201720722090 U CN 201720722090U CN 207028109 U CN207028109 U CN 207028109U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- section
- cavity
- barrel
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
Bit-type dehumidifying barrel is fixed at high proportion the utility model discloses a kind of, including barrel, screw rod and flange, run through in barrel and offer interconnected the first cavity and the second cavity, screw rod includes the first screw rod and the second screw rod being connected with each other, and first screw rod and the second screw rod be externally provided with the first thread and the second thread of helicoidal structure, the first screw rod and the second screw rod of screw rod are installed in the first cavity and the second cavity of barrel respectively.Wherein, the internal diameter of the first cavity is less than the internal diameter of the second cavity, and the inwall of the first thread and the second thread respectively with the first cavity and the second cavity contacts, and offers steam vent through the second cavity on barrel, flange is installed in the front end of barrel.The utility model can be such that screw rod is rotated in a fixed position, allow the temperature and pressure of screw rod to be maintained in a normal scope, and can prevent raw material raw material caused by proportion of flow is too small from gushing out from steam vent, improve production security and reduce wastage of material.
Description
Technical field
It the utility model is related to injection machine technical field, and in particular to a kind of to fix bit-type dehumidifying barrel at high proportion.
Background technology
Making to such as plastic products, typically by materiel machinings such as polymer to the molten condition plastified, by screw rod
The thrust of (or plunger), raw material is extruded into mould from barrel, product is obtained after cured sizing.At present, common dehumidifying
Screw rod is all fixing 1-6 sections of teeth of thread, and is dehumidifying screw rod when raw material dehumidifies away from, the parameter such as weight, compression ratio,
Screw rod moves forward and backward, therefore is that the movable of screw rod easily raw material occurs out of steam vent when the proportion of flow of raw material is too small
Gush out, cause wastage of material, and process safety is relatively low, and the compression ratio for the screw rod that dehumidifies is fixed, it is impossible to raw material is melted well
Close, the irregular colour of raw material can be caused even, plastic cement poor fluidity, and then influence product quality.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is, there is provided it is a kind of to fix bit-type dehumidifying barrel at high proportion, it can make
Screw rod rotates in a fixed position, allows the temperature and pressure of screw rod to be maintained in a normal scope, and can prevent
Raw material raw material caused by proportion of flow is too small is gushed out from steam vent, improves production security and reduces wastage of material.
To achieve the above object, technical scheme provided by the utility model is：
It is a kind of to fix bit-type dehumidifying barrel, including barrel, screw rod and flange at high proportion, run through in the barrel and offer phase
Intercommunicated the first cavity and the second cavity, the screw rod include the first screw rod and the second screw rod being connected with each other, and described the
One screw rod and the second screw rod are externally provided with the first thread and the second thread of helicoidal structure, the first screw rod of the screw rod and second
Screw rod is installed in the first cavity and the second cavity of the barrel respectively.Wherein, the internal diameter of first cavity is less than described
The internal diameter of second cavity, the inwall of first thread and the second thread respectively with first cavity and the second cavity contact,
Steam vent is offered through second cavity on the barrel, the flange is installed in the front end of the barrel, and on flange
Through offering the discharging opening that is connected with the second cavity.
Preferably, charging aperture is offered through the first cavity on the barrel, and the barrel is provided with the multiple galvanic couples of heat
Hole.
Preferably, first screw rod and the second screw rod tapered structure, and the front end of the second screw rod is set from front to back
There is material extrusion conical head.
Preferably, first screw rod is divided into the first section, the second section and the 3rd section, second spiral shell from back to front
Bar is divided into the 4th section, the 5th section and the 6th section from back to front.
Preferably, the external diameter of the first section of first screw rod to the 3rd section is less than the 4th section of second screw rod
Position to the 6th section external diameter, and the compression ratio of first screw rod be less than second screw rod compression ratio.
Preferably, the thread depth of the 4th section is more than the depth of first section.
Preferably, it is equipped with shunting thread on first section and the 4th section.
Preferably, divide on first section, the second section, the 3rd section, the 4th section, the 5th section and the 6th section
She You not galvanic couple hole.
Preferably, the junction of first cavity and the second cavity forms positioning step, and second thread is resisted against
On the positioning step.
The beneficial effects of the utility model are：
A kind of the first screw rod for fixing bit-type dehumidifying barrel at high proportion of the utility model and the second screw rod are installed in institute respectively
State in the first cavity and the second cavity of barrel, and the internal diameter of first cavity be less than second cavity internal diameter, first
The external diameter of first section of screw rod to the 3rd section is less than the external diameter of the 4th section to the 6th section of second screw rod, described
First thread and the second thread contact respectively at the inwall of first cavity and the second cavity, therefore, are set by said structure
Meter, second thread are resisted against the junction of the first cavity and the second cavity, can play fixation, make screw rod solid at one
Rotated in fixed position, allow the temperature and pressure of screw rod to be maintained in a normal scope, and raw material can be prevented because flowing ratio
Example is too small to cause raw material to gush out from steam vent, improves production security and reduces wastage of material.
Below in conjunction with the accompanying drawings with embodiment, the utility model is further illustrated.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of structural representation for fixing bit-type dehumidifying barrel at high proportion of the utility model.
Each description of reference numerals is as follows in figure.
Barrel -1, the first cavity -11, the second cavity -12, steam vent -13, charging aperture -14, thermocouple hole -15,
Screw rod -2, the first screw rod -21, the first section -211, the second section -212, the 3rd section -213, the second screw rod -22,
4th section -221, the 5th section -222, the 6th section -223, the first thread -23, the second thread -24, material extrusion taper
Head -25, shunting thread -26, flange -3, discharging opening -31.
Embodiment
To describe technology contents of the present utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates accompanying drawing to be explained in detail.
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope., it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " interior ", " outer " are based on orientation shown in the drawings or position
Relation, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Referring to Fig. 1, a kind of fix bit-type dehumidifying barrel, including barrel 1, screw rod 2 and flange 3, the barrel 1 at high proportion
It is interior through offering interconnected the first cavity 11 and the second cavity 12.The screw rod 2 includes the first screw rod being connected with each other
21 and second screw rod 22, and the screw rod 22 of first screw rod 21 and second is externally provided with the first thread 23 and second of helicoidal structure
Thread 24, the first screw rod 21 and the second screw rod 22 of the screw rod 2 are installed in the first cavity 11 and second of the barrel 1 respectively
In cavity 12.Wherein, the internal diameter of first cavity 11 is less than the internal diameter of second cavity 12, first thread 23 and the
Inwall of two threads 24 respectively with the cavity 12 of the first cavity 11 and second contacts, therefore, by the structure design, described
Two threads 24 are resisted against the junction of the first cavity 11 and the second cavity 12, can play fixation, make screw rod 2 in a fixation
Position in rotate, allow the temperature and pressure of screw rod 2 to be maintained in a normal scope, and prevent raw material because of proportion of flow mistake
It is small to cause raw material to offer steam vent 13 on second cavity 12 from barrel 1 to gush out, improve production security and drop
Low wastage of material.The flange 3 is installed in the front end of the barrel 1, and runs through to offer on flange 3 and connected with the second cavity 12
Discharging opening 31.In the present embodiment, it is anterior position to define at flange 3.
Further, charging aperture 14 is offered through the first cavity 11 on the barrel 1, and the barrel 1 is provided with heat
Multiple galvanic couple holes 15, for monitoring the compression temperature in barrel 1.
In the present embodiment, the screw rod 22 of the first screw rod 21 and second tapered structure, and the second spiral shell from front to back
The front end of bar 22 is provided with material extrusion conical head 25.
Specifically, first screw rod 21 is divided into the first section 211, the second section 212 and the 3rd section from back to front
213, second screw rod 22 is divided into the 4th section 221, the 5th section 222 and the 6th section 223 from back to front, in this implementation
In example, the external diameter of the first section 211 to the 3rd section 213 of first screw rod 21 is less than the 4th section of second screw rod 22
The external diameter of the 221 to the 6th section 223 of position, and the compression ratio of first screw rod 21 is less than the compression ratio of second screw rod 22,
It can not only ensure that raw material will not be gushed out from steam vent 13, improve production security and reduce wastage of material, meanwhile, compression ratio becomes
Greatly, the plasticizing effect of raw material is improved, improves product quality.
In the present embodiment, the thread depth of the 4th section 221 is more than the depth of first section 211, and then
Be not in that raw material is gushed out from steam vent 13 when ensure that the raw material extruded from the 3rd section 213 enters four sections 221
Situation.
Further, shunting thread 26 is equipped with the section 221 of the first section 211 and the 4th, adds raw material
Frictional heat and shear heat, have cut off the molecule face of raw material, and then add the mobility and color uniformity of raw material, improve simultaneously
The effect on moisture extraction of raw material.
In the present embodiment, first section 211, the second section 212, the 3rd section 213, the 4th section the 221, the 5th
Galvanic couple hole 15 is respectively equipped with the section 223 of section 222 and the 6th, and then the temperature of each section of barrel 1 can be monitored.
Specifically, the junction of the cavity 12 of the first cavity 11 and second forms positioning step 16, second thread
24 are resisted against on the positioning step 16, can play a part of positioning screw 2.
In summary, a kind of the first screw rod 21 and the second screw rod 22 for fixing bit-type dehumidifying barrel at high proportion of the utility model
It is installed in respectively in the first cavity 11 and the second cavity 12 of the barrel 1, and the internal diameter of first cavity 11 is less than described
The internal diameter of second cavity 12, the external diameter of the first section 211 to the 3rd section 213 of the first screw rod 21 are less than second screw rod 22
The 4th section 221 to the 6th section 223 external diameter, the thread 24 of the first thread 23 and second is respectively at first cavity
11 and second cavity 12 inwall contact, therefore, by said structure design, second thread 24 is resisted against the first cavity 11
With the junction of the second cavity 12, fixation can be played, screw rod 2 is rotated in a fixed position, allows screw rod 2
Temperature and pressure is maintained in a normal scope, and can prevent raw material caused by proportion of flow is too small raw material from steam vent 13
Gush out, improve production security and reduce wastage of material.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying is changed and changed.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model.In addition, to the greatest extent
Some specific terms have been used in pipe this specification, but these terms are merely for convenience of description, not to the utility model
Any restrictions are formed, using same or similar other devices, in scope of protection of the utility model.
Claims (9)
1. a kind of fix bit-type dehumidifying barrel at high proportion, it is characterised in that：It is described including barrel (1), screw rod (2) and flange (3)
Through interconnected the first cavity (11) and the second cavity (12) is offered in barrel (1), the screw rod (2) includes mutually interconnecting
The first screw rod (21) and the second screw rod (22) connect, and first screw rod (21) and the second screw rod (22) are externally provided with helical form knot
The first thread (23) and the second thread (24) of structure, the first screw rod (21) and the second screw rod (22) of the screw rod (2) fill respectively
In the first cavity (11) and the second cavity (12) of the barrel (1), wherein, the internal diameter of first cavity (11) is less than
The internal diameter of second cavity (12), first thread (23) and the second thread (24) respectively with first cavity (11) and
The inwall of second cavity (12) is contacted, and steam vent (13) is offered through second cavity (12) on the barrel (1), described
Flange (3) is installed in the front end of the barrel (1), and runs through the discharging for offering and being connected with the second cavity (12) on flange (3)
Mouth (31).
A kind of 2. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 1, it is characterised in that：Passed through on the barrel (1)
Wear the first cavity (11) and offer charging aperture (14), and the barrel (1) is provided with the multiple galvanic couple holes (15) of heat.
A kind of 3. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 1, it is characterised in that：First screw rod (21)
With the second screw rod (22) tapered structure, and the front end of the second screw rod (22) is provided with material extrusion conical head (25) from front to back.
A kind of 4. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 3, it is characterised in that：First screw rod (21)
It is divided into the first section (211), the second section (212) and the 3rd section (213) from back to front, second screw rod (22) is from backward
Before be divided into the 4th section (221), the 5th section (222) and the 6th section (223).
A kind of 5. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 4, it is characterised in that：First screw rod (21)
The external diameter of the first section (211) to the 3rd section (213) be less than the 4th section (221) of second screw rod (22) to the 6th
The external diameter of section (223), and the compression ratio of first screw rod (21) is less than the compression ratio of second screw rod (22).
A kind of 6. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 4, it is characterised in that：4th section
(221) thread depth is more than the depth of first section (211).
A kind of 7. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 4, it is characterised in that：First section
(211) and on the 4th section (221) it is equipped with shunting thread (26).
A kind of 8. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 4, it is characterised in that：First section
(211), the second section (212), the 3rd section (213), the 4th section (221), the 5th section (222) and the 6th section (223)
On be respectively equipped with galvanic couple hole (15).
A kind of 9. bit-type dehumidifying barrel fixed at high proportion as claimed in claim 1, it is characterised in that：First cavity (11)
Positioning step (16) is formed with the junction of the second cavity (12), second thread (24) is resisted against the positioning step (16)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722090.4U CN207028109U (en) | 2017-06-21 | 2017-06-21 | It is a kind of to fix bit-type dehumidifying barrel at high proportion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720722090.4U CN207028109U (en) | 2017-06-21 | 2017-06-21 | It is a kind of to fix bit-type dehumidifying barrel at high proportion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207028109U true CN207028109U (en) | 2018-02-23 |
Family
ID=61468474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720722090.4U Active CN207028109U (en) | 2017-06-21 | 2017-06-21 | It is a kind of to fix bit-type dehumidifying barrel at high proportion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207028109U (en) |
-
2017
- 2017-06-21 CN CN201720722090.4U patent/CN207028109U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106182560B (en) | A kind of pre-embossed injection molding machine | |
| CN203282662U (en) | Multi-head color changing hot sprue for hot runner | |
| CN207028109U (en) | It is a kind of to fix bit-type dehumidifying barrel at high proportion | |
| CN104260275B (en) | A kind of inner spring and penetrate nozzle | |
| CN106273246A (en) | A kind of injection machine nozzle | |
| CN206066817U (en) | A kind of space multipoint mode Fast Filling system for large scale plastic product production | |
| CN204673998U (en) | Improve the fused mass flow guiding device of melt flows pressure and flow distribution | |
| CN206011670U (en) | A kind of new PP R granulation dies | |
| CN104552782B (en) | Multi-head nozzle for injection molding machine | |
| CN205767389U (en) | A kind of double screw extruder making PET resin plastify completely | |
| CN206937883U (en) | Plasticiser | |
| CN204955276U (en) | Prevent hot mouth of plastic wire drawing | |
| CN202996427U (en) | Cable insulation extrusion self-centering machine head | |
| CN206812397U (en) | A kind of plastic extrusion machine head | |
| CN204546899U (en) | The syndeton of a kind of nozzle and flange | |
| CN207310391U (en) | A kind of injection mold for preventing the double-colored area of coverage from altering color | |
| CN206048703U (en) | Glue TOP-TIP is entered in a kind of side | |
| CN206124181U (en) | Extrusion molding screw rod | |
| CN104552874A (en) | Splayed flat sheath extrusion die | |
| CN208452143U (en) | A kind of anti-blocking mixed milling type nozzle | |
| CN203267065U (en) | Multi-nozzle-core hot nozzle of hot runner | |
| CN204955299U (en) | Stress improvement prevents hot mouth structure of moulding plastics of wire drawing | |
| CN212045904U (en) | PVC orifice die core rod | |
| CN213107975U (en) | Novel prevent wire drawing hot runner structure | |
| CN209409264U (en) | Counter-bending fatigue coaxial cable extrusion molding screw arbor assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |