CN206703472U - Tag line extrusion die component - Google Patents
Tag line extrusion die component Download PDFInfo
- Publication number
- CN206703472U CN206703472U CN201720536368.9U CN201720536368U CN206703472U CN 206703472 U CN206703472 U CN 206703472U CN 201720536368 U CN201720536368 U CN 201720536368U CN 206703472 U CN206703472 U CN 206703472U
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- tag line
- pressure ring
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- profiled section
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Abstract
The utility model discloses a kind of tag line extrusion die component, including being molded mouth mold, shaping mouth mold includes construction section and the profiled section positioned at construction section rear portion, the external diameter of profiled section is more than the external diameter of construction section, the taper forming cavity that rear end diameter is big, point diameter is small is coaxially provided with the middle part of profiled section, the installation cavity connected with taper forming cavity is coaxially provided with the middle part of construction section, the front end cavity wall of installation cavity is provided with the internal thread segment being connected with body extruder body；Annular is evenly equipped with the front and rear insertion of even number and the extrusion cavities connected with taper forming cavity on the front end face of profiled section, the pressure ring being sealedly connected on profiled section front end face is additionally provided with shaping mouth mold, the branch flow passage of two neighboring extrusion cavities is communicated with rear end face on pressure ring, be additionally provided with pressure ring one end connected with the middle part of branch flow passage, the other end can connection identifier line extruder discharge nozzle sprue.The die head component can avoid tag line from phenomenon that is thicker and shoaling occur, and maintain easily.
Description
Technical field
It the utility model is related to a kind of tag line extrusion die component.
Background technology
The plastic film capicitor or straight-tube shape plastic tube of major diameter are in buried draining, blowdown and cable channel laying etc.
Using very extensive, it has the advantages that, and bearing capacity is strong, cost is low, light weight, corrosion-resistant；And distinguish and understand for convenience
The information using field and purposes etc. of above-mentioned plastic tube body, during the extrusion molding of plastic tube body, it usually needs
Increase has coloured tag line in the outside wall surface of body, so as to distinguish different types of plastic pipe, and due to plastics ripple
Line pipe or straight-tube shape plastic tube are relatively large in diameter, and therefore, the tag line generally sets a plurality of.
At present, the general configuration of body extruder generally includes the body provided with horizontal cylindrical interior volume, the transfer of body inner chamber
Dynamic to be connected with material extrusion spiral, secondly, the rear end of body is provided with shaping mouth mold, be molded mouth mold rearward end be provided with rear end diameter it is big,
The small taper forming cavity of point diameter, the front end of the taper forming cavity connect with body inner chamber, and secondly, the rear end of material extrusion spiral is also
Be located at provided with leading section in body inner chamber, rearward end is located at inner core die in taper forming cavity, the leading section diameter of inner core die is small
In body intracavity diameter, therefore, the leading section of inner core die forms the stock chest of ring-type with body inner chamber, and the rear end of inner core die
Portion has the taper forming surface that rear end diameter is big, point diameter is small, and taper forming surface and the inner conical surface interval of taper forming cavity
Set, it is generally the case that the taper of taper forming surface is more than the taper of taper forming cavity, therefore, in inner core die and shaping mouth mold
Between form the extrusion chamber of annulus tapers into, diameter becomes larger conical ring shape, and extrude chamber and stock chest
Connection, therefore in production, plastifying material is first ceaselessly pressed into pre- so as to be formed in the stock chest at rear by the material extrusion spiral
Body is molded, is pressed into again afterwards in the extrusion chamber at rear, the annular opening of material from extrusion chamber is just formed into when extruding
The plastic tube body of type.
And it is current, the molding mode of tag line is typically that a station identification line extruder is set in the side of body extruder,
The discharge nozzle of tag line extruder connects with the stock chest of body extruder, therefore, with coloured tag line in discharge nozzle
Resinifying agent enter stock chest in and be squeezed into the preforming tube wall face of high temperature, afterwards, with tag line it is pre- into
Type body goes successively to extrude in chamber and extruded from annular opening, is cooled and shaped afterwards, still, in above-mentioned production process,
It could be discharged for a period of time because the preforming body with tag line also needs to advance in body, and preforming pipe now
Body typical temperature is higher, then causes the tag line on preforming tube wall face to spread, causes tag line to become
Phenomenon that is thick and shoaling, then reduces product quality, and secondly, the attachment structure of body and tag line extruder is complicated, subsequently
Maintenance cost is high, and it is high that spare and accessory parts change difficulty.
In order to solve the above-mentioned technical problem, the utility model will set what is be connected with tag line extruder at shaping mouth mold
Tag line extrusion die component, then realize that body just contacts before annular opening extrusion with tag line resinifying agent, and then keep away
Exempt from tag line and phenomenon that is thicker and shoaling occur, in addition, body extruder of the prior art and tag line extruder can be simplified
Attachment structure, so as to maintain easily.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of simple in construction, it is easy to maintenance, ensure body from body
Just contacted in extruder before extrusion with tag line resinifying agent, and then avoid tag line from the mark of phenomenon that is thicker and shoaling occur
Line extrusion die component.
In order to solve the above technical problems, the utility model includes shaping mouth mold, it is structurally characterized in that：The shaping mouth mold bag
Construction section and the profiled section positioned at construction section rear portion are included, the external diameter of the profiled section is more than the external diameter of construction section, the profiled section
Middle part be coaxially provided with the taper forming cavity that rear end diameter is big, point diameter is small, be coaxially provided with and bore in the middle part of the construction section
The installation cavity of shape forming cavity connection, the front end cavity wall of the installation cavity are provided with the internal thread being connected with body extruder body
Section；Annular is evenly equipped with the front and rear insertion of even number and the extrusion cavities connected with taper forming cavity, institute on the front end face of the profiled section
State and the pressure ring being sealedly connected on profiled section front end face is additionally provided with shaping mouth mold, be communicated with the rear end face on the pressure ring
The branch flow passage of two neighboring extrusion cavities, is additionally provided with that one end connects with the middle part of branch flow passage, the other end can connect on the pressure ring
Connect the sprue of the discharge nozzle of tag line extruder.
After said structure, the shaping mouth mold can install the body rear end for being connected to body extruder by installation cavity,
When carrying out body production, tag line plastifying material is pressed into sprue by tag line extruder, enters back into branch flow passage afterwards,
Finally drained into from extrusion cavities in the outside wall surface of plastic tube body and even number bar tag line is formed in the outside wall surface of plastic tube body, its
It is secondary, because the plastic tube body with tag line is extruded from taper forming cavity at once, therefore, can avoid in plastic tube body outside wall surface
Tag line contact and flows with body extruder for a long time, then avoid tag line from the thicker and phenomenon that shoals occur, meanwhile,
The utility model only needs to be improved in shaping mouth mold, therefore, when needing to change quantity or the aperture of extrusion cavities, only
Need to change shaping mouth mold, therefore reduce manufacturing cost, and maintain easily.
In order that tag line resinifying agent is synchronously flowed into corresponding extrusion cavities, the extrusion cavities are four, the pressure ring
Annular spread has the branch flow passage of two arcs on rear end face, and the both ends of every branch flow passage with the two neighboring of group respectively with squeezing
Portal connection.
In order that tag line resinifying agent is synchronously flowed into branch flow passage from sprue, the sprue includes being arranged on pressure ring
The deep-slotted chip breaker of semicircular in shape on rear end face, the both ends of the deep-slotted chip breaker are set respectively close to the middle part of two branch flow passages and arc
The both ends of shape groove are connected by length identical link slot with the middle part of two branch flow passages respectively, and the middle part of the deep-slotted chip breaker is also
Charging hole provided with front and rear insertion pressure ring, the front end of the charging hole are provided with the installation of the discharge nozzle of installation tag line extruder
Hole.
In order to increase the sealing between pressure ring and profiled section, the rearward end of the pressure ring is provided with annular convex ring, described
The leading section of profiled section is provided with the annular recess for avoiding annular convex ring, the inner ring surface of the annular convex ring and the inner circumferential of annular recess
Face slide fit connection.
Accurately docked with extrusion cavities in order to facilitate branch flow passage, the outer ring surface of the annular convex ring rear end is provided with extremely
A few main logo slot, the outer peripheral face of the profiled section front end are provided with the secondary logo slot being correspondingly arranged with main logo slot.
In order to increase the sealing between pressure ring and profiled section, the construction section is provided with to be connected with the inner ring surface slide fit of pressure ring
The circular step section connect.
It is attached in order to facilitate pressure ring and profiled section, annular is evenly equipped with installing for multiple front and rear insertions on the pressure ring
Hole, annular is provided with multiple screwed holes adaptable with installing hole site on the front end face of the profiled section, and the pressure ring is by wearing
Cross mounting hole and spiral shell is mounted in the lock-screw in screwed hole and is arranged on the front end face of profiled section.
In order to ensure that molding port mould has a suitable operating temperature, there is multiple annular spread on the outer peripheral face of the construction section
For installing the heating head mounting hole of heating head and for temperature sensor mounted sensor mounting hole.
In summary, the utility model is simple in construction, easy to maintenance, it is ensured that before body is extruded from body extruder
Just contacted with tag line resinifying agent, and then avoid tag line thicker and shoal.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the cross section structure diagram for the back-end of machine head that the utility model is arranged on body extruder；
Fig. 2 is cross section structure diagram of the present utility model in Fig. 1；
Fig. 3 is the structural representation of the shaping mouth mold in Fig. 2；
Fig. 4 is Fig. 3 left view structure schematic diagram；
Fig. 5 is the right side structural representation of pressure ring in Fig. 2；
Fig. 6 is the cross section structure diagram of the line A-A along Fig. 5.
Embodiment
Referring to the drawings, the tag line extrusion die component is improved in the shaping mouth mold 1 of body extruder, from
And ensure body extruded from body extruder before just contacted with tag line resinifying agent, and then avoid tag line occur it is thicker and
The phenomenon to shoal, secondly, when need change tag line quantity or thickness when, the tag line extrusion die component be also convenient for from
Dismantled on body extruder, therefore, reach reduction manufacturing cost, the purpose maintained easily.Mouth mold 1 is molded in order to facilitate understanding
Mounting structure and operation principle, first shaping mouth mold 1 and the mounting structure of body extruder are briefly introduced, the institute of reference picture 1
Show, the general configuration of body extruder 22 of the prior art generally includes the body 23 provided with horizontal cylindrical interior volume, body 23
Material extrusion spiral is rotatably connected in inner chamber, as shown in figure 1, the rear end of body 23 is screwed with shaping mouth mold 1, the shaping mouth mold 1 is wrapped
Construction section 2 and the profiled section 3 positioned at the rear portion of construction section 2 are included, the external diameter of profiled section 3 is more than the external diameter of construction section 2, profiled section 3
Middle part is coaxially provided with the taper forming cavity 4 that rear end diameter is big, point diameter is small, the middle part of construction section 2 be coaxially provided with taper into
The installation cavity 5 that die cavity 4 connects, the front end cavity wall of installation cavity 5 are provided with the internal thread segment being connected with the body 23 of body extruder 22,
Therefore, when shaping mouth mold 1 is arranged on 23 rear end of body, the front end of the taper forming cavity 4 also connects with the inner chamber of body 23, its
Secondary, the rear end of material extrusion spiral is additionally provided with that leading section is located in the inner chamber of body 23, rearward end is located at inner core die in taper forming cavity 4
24, the material extrusion spiral does not show that in Fig. 1, and the leading section diameter of the inner core die 24 is less than the intracavity diameter of body 23, therefore, interior
The leading section of core 24 forms the stock chest 25 of ring-type with the inner chamber of body 23, and the rearward end of inner core die 24 has rear end diameter
Greatly, the small taper forming surface of point diameter, and taper forming surface and the inner conical surface of taper forming cavity 4 are arranged at intervals, normal conditions
Under, the taper of taper forming surface is more than the taper of taper forming cavity 4, therefore, ring is formed between inner core die 24 and shaping mouth mold 1
The extrusion chamber 26 for the conical ring shape that shape gap tapers into, diameter becomes larger, and extrude chamber 26 and connected with stock chest 25,
Therefore in production, plastifying material is first ceaselessly pressed into preforming so as to be formed in the stock chest 25 at rear by the material extrusion spiral
Body, it is pressed into again afterwards in the extrusion chamber 26 at rear, the annular opening of material from extrusion chamber 26 is just formed into when extruding
The plastic tube body of type.
As shown in figs 1 to 6, in order that tag line resinifying agent enters in extrusion chamber from shaping mouth mold 1, before profiled section 3
Annular is evenly equipped with the front and rear insertion of even number and the extrusion cavities 6 connected with taper forming cavity 4 on end face, as shown in figure 4, the extrusion cavities
6 be four, therefore can form four tag lines on plastic tube body, certainly, the extrusion cavities 6 can also for two, six or
Eight；Secondly, it is molded in mouth mold 1 and is additionally provided with the pressure ring 7 being sealedly connected on the front end face of profiled section 3, is set on the rear end face of pressure ring 7
There is the branch flow passage 8 for connecting two neighboring extrusion cavities 6, being additionally provided with one end on pressure ring 7 connects with the middle part of branch flow passage 8, be another
End can connection identifier line extruder discharge nozzle sprue, the setting of the even number extrusion cavities 6 and sprue, branch flow passage 8
Setting be in order that the tag line resinifying agent in discharge nozzle is synchronously flowed into extrusion cavities 6, and synchronously squeezes into plastic tube body
In outside wall surface；Shown referring to the drawings, when extrusion cavities 6 are four, then annular spread has two arcs on the rear end face of pressure ring 7
Branch flow passage 8, the both ends of every branch flow passage 8 can connect with the two neighboring extrusion cavities 6 of group respectively, and in order that tag line
Resinifying agent is synchronously flowed into branch flow passage 8 from sprue, and sprue then includes the arc for being arranged on semicircular in shape on the rear end face of pressure ring 7
Shape groove 9, the both ends of deep-slotted chip breaker 9 are set respectively close to the middle part of two branch flow passages 8 and the both ends of deep-slotted chip breaker 9 pass through length respectively
Degree identical link slot 10 connects with the middle part of two branch flow passages 8, and secondly, the middle part of deep-slotted chip breaker 9 is additionally provided with front and rear insertion pressure
The charging hole 11 of ring 7, certainly, the front end of the charging hole 11 are provided with the mounting hole of the discharge nozzle of installation tag line extruder, therefore,
When producing plastic tube body, tag line resinifying agent is first pressed into charging hole 11, resynchronizes the both ends stream to deep-slotted chip breaker 9 afterwards
It is dynamic, the middle part that two branch flow passages 8 are pressed into through link slot 10 is resynchronized afterwards, and last tag line resinifying agent is again from Liang Tiao branches
The both ends of runner 8 are synchronously flowed into four extrusion cavities 6, and are synchronously squeezed into the outer wall of plastic tube body, meanwhile, with four marks
The plastic tube body for knowing line is extruded from annular opening, ultimately forms the plastic tube body of shaping.
With continued reference to accompanying drawing, in order to increase the sealing between pressure ring 7 and profiled section 3, the rearward end of pressure ring 7 is provided with ring
Shape bulge loop 12, the leading section of profiled section 3 are provided with the annular recess 13 for avoiding annular convex ring 12, the inner ring surface and ring of annular convex ring 12
The inner peripheral surface slide fit connection of shape groove 13.In addition, branch flow passage 8 carries out accurate abutting joint with extrusion cavities 6 for convenience, annular
The outer ring surface of the rear end of bulge loop 12 is provided with least one main logo slot 14, accordingly, the outer peripheral face of the front end of profiled section 3 be provided with
The secondary logo slot 15 that main logo slot 14 is correspondingly arranged, as shown in Figure 4 and Figure 5, main logo slot 14 and secondary logo slot 15 are four.Separately
Outside, in order to continue to increase the sealing between pressure ring 7 and profiled section 3, construction section 2 is provided with to be connected with the inner ring surface slide fit of pressure ring 7
The circular step section 16 connect.Certainly, be attached in order to facilitate pressure ring 7 and profiled section 3, on pressure ring 7 annular be evenly equipped with it is multiple before
The mounting hole 17 penetrated afterwards, annular is provided with multiple screwed holes 18 being adapted with the position of mounting hole 17 on the front end face of profiled section 3,
Therefore, pressure ring 7 is arranged on the front end face of profiled section 3 by the lock-screw 19 being mounted in through mounting hole 17 and spiral shell in screwed hole 18
On.In addition, there is suitable operating temperature in order to ensure to be molded mouth mold 1, so as to ensure plastic tube body from extrusion chamber smoothly
Extrude, annular spread has multiple for installing the heating head mounting hole 20 of heating head and for installing on the outer peripheral face of construction section 2
The sensor mounting hole 21 of temperature sensor.
In summary, the utility model is not limited to above-mentioned embodiment.Those skilled in the art, this reality is not being departed from
On the premise of with new spirit and scope, some change and modification can be done, it is new that all these changes all should fall into this practicality
The protection domain of type.
Claims (8)
1. a kind of tag line extrusion die component, including shaping mouth mold（1）, it is characterised in that：The shaping mouth mold（1）Including peace
Fill section（2）With positioned at construction section（2）The profiled section at rear portion（3）, the profiled section（3）External diameter be more than construction section（2）External diameter,
The profiled section（3）Middle part be coaxially provided with the taper forming cavity that rear end diameter is big, point diameter is small（4）, the construction section（2）
Middle part be coaxially provided with and taper forming cavity（4）The installation cavity of connection（5）, the installation cavity（5）Front end cavity wall be provided with
The internal thread segment of body extruder body connection；The profiled section（3）Front end face on annular be evenly equipped with that even number is front and rear to be penetrated
And with taper forming cavity（4）The extrusion cavities of connection（6）, the shaping mouth mold（1）On be additionally provided with and be sealedly connected on profiled section（3）Before
Pressure ring on end face（7）, the pressure ring（7）On rear end face on be communicated with two neighboring extrusion cavities（6）Branch flow passage
（8）, the pressure ring（7）On be additionally provided with one end and branch flow passage（8）Middle part connection, the other end can connection identifier line extruder
The sprue of discharge nozzle.
2. tag line extrusion die component as claimed in claim 1, it is characterised in that:The extrusion cavities（6）It is described for four
Pressure ring（7）Rear end face on annular spread have the branch flow passages of two arcs（8）, every branch flow passage（8）Both ends respectively with
With the two neighboring extrusion cavities of group（6）Connection.
3. tag line extrusion die component as claimed in claim 2, it is characterised in that:The sprue includes being arranged on pressure ring
（7）The deep-slotted chip breaker of semicircular in shape on rear end face（9）, the deep-slotted chip breaker（9）Both ends respectively close to two branch flow passages（8）In
Portion is set and deep-slotted chip breaker（9）Both ends pass through length identical link slot respectively（10）With two branch flow passages（8）Middle part connect
It is logical, the deep-slotted chip breaker（9）Middle part be additionally provided with front and rear insertion pressure ring（7）Charging hole（11）, the charging hole（11）Front end
The mounting hole of discharge nozzle provided with installation tag line extruder.
4. the tag line extrusion die component as described in claim 1-3 is any, it is characterised in that:The pressure ring（7）Rear end
Portion is provided with annular convex ring（12）, the profiled section（3）Leading section be provided with avoid annular convex ring（12）Annular recess（13）,
The annular convex ring（12）Inner ring surface and annular recess（13）Inner peripheral surface slide fit connection.
5. tag line extrusion die component as claimed in claim 4, it is characterised in that:The annular convex ring（12）Outside rear end
Anchor ring is provided with least one main logo slot（14）, the profiled section（3）The outer peripheral face of front end is provided with and main logo slot（14）
The secondary logo slot being correspondingly arranged（15）.
6. tag line extrusion die component as claimed in claim 4, it is characterised in that:The construction section（2）It is provided with and pressure
Ring（7）Inner ring surface slide fit connection circular step section（16）.
7. tag line extrusion die component as claimed in claim 4, it is characterised in that:The pressure ring（7）Upper annular is evenly equipped with
The mounting hole of multiple front and rear insertions（17）, the profiled section（3）Front end face on annular be provided with multiple and mounting hole（17）Position
Adaptable screwed hole（18）, the pressure ring（7）By through mounting hole（17）And spiral shell is mounted in screwed hole（18）In locking screw
Nail（19）Installed in profiled section（3）Front end face on.
8. tag line extrusion die component as claimed in claim 1, it is characterised in that:The construction section（2）Outer peripheral face on
Annular spread has multiple heating head mounting holes for being used to install heating head（20）Pacify with for temperature sensor mounted sensor
Fill hole（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536368.9U CN206703472U (en) | 2017-05-16 | 2017-05-16 | Tag line extrusion die component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536368.9U CN206703472U (en) | 2017-05-16 | 2017-05-16 | Tag line extrusion die component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206703472U true CN206703472U (en) | 2017-12-05 |
Family
ID=60463387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720536368.9U Active CN206703472U (en) | 2017-05-16 | 2017-05-16 | Tag line extrusion die component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206703472U (en) |
-
2017
- 2017-05-16 CN CN201720536368.9U patent/CN206703472U/en active Active
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