CN207207023U - A kind of injection device suitable for cosmetics containers - Google Patents
A kind of injection device suitable for cosmetics containers Download PDFInfo
- Publication number
- CN207207023U CN207207023U CN201721134743.3U CN201721134743U CN207207023U CN 207207023 U CN207207023 U CN 207207023U CN 201721134743 U CN201721134743 U CN 201721134743U CN 207207023 U CN207207023 U CN 207207023U
- Authority
- CN
- China
- Prior art keywords
- thread
- main thread
- screw
- screw rod
- injection device
- 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
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection device suitable for cosmetics containers, including rubber melting cylinder, screw rod, cross rubber head, ring flange and nozzle, screw rod includes the body of rod and the main thread set around the body of rod, deputy thread, screw rod includes feeding section, compression section and the homogenizing zone set gradually along the direction of Flow of Goods and Materials, the root footpath of main thread is constant in feeding section, and the external diameter of the main thread of feeding section becomes larger along the direction of Flow of Goods and Materials；The external diameter of deputy thread and main thread is constant in compression section, and the deputy thread of compression section and the root footpath of main thread become larger along the direction of Flow of Goods and Materials；The root footpath of main thread and external diameter are constant in homogenizing zone.A kind of injection device suitable for cosmetics containers of the present utility model, by setting deputy thread in compression section, main thread is set to promote space to be further carried out dividing with the melt that screw rod, rubber melting cylinder are separated, so that solid-state is separated with fused materials, production efficiency is effectively improved, and improves the plasticizing quality of injection molding.
Description
Technical field
It the utility model is related to a kind of injection device, more particularly to a kind of novel injection suitable for cosmetics containers shaping
Device.
Background technology
In recent years, due to plastics chemical industry vigorous growth, and the application of various modified plastics and engineering plastics in the recent period
Scope is more and more extensive, so only meeting different plastics plasticizings require it has been impossible by medium-sized screw rod group component
's.Particularly current Injection Industry Market competition, the plastic product of many cosmetics containers will make in same injection machine
With different plastics, and add the additives mixed such as toner or color kind and be molded by product.It is molten due to plastic raw materials and additive
Point is different, and the melten gel body in rubber melting cylinder often occurs failing to be sufficiently mixed melting under different operating modes, causes the product of final molding
Be unable to normal use because surface striped occurs, and at present mixing screw be substantially all the general spiral shell of single thread structure
Bar, the shaping demand that height is mixed and quickly produced can not be met, it is difficult to produce colorful cosmetics containers plastics system
Product, finished product fraction defective is caused to remain high.
Utility model content
The utility model aims to solve the problem that above-mentioned mentioned technical problem, there is provided a kind of injection suitable for cosmetics containers
Device, improve production efficiency, lifting melt plasticizing quality.
The utility model is realized by following technical scheme：
A kind of injection device suitable for cosmetics containers, including rubber melting cylinder, heating circle, screw rod, mistake rubber head, ring flange and
Nozzle, the screw rod are arranged in rubber melting cylinder, and the heating snare is located on rubber melting cylinder, and the nozzle is arranged on going out for rubber melting cylinder
Material end is simultaneously connected by ring flange with rubber melting cylinder, and the rubber head of crossing is arranged between screw rod and ring flange, and the screw rod includes bar
Body and the main thread set around the body of rod, the pitch of main thread is constant along the conveying direction of material, and the screw rod is included along material
Feeding section, compression section and the homogenizing zone that the direction of flowing is set gradually, wherein it is additionally provided with what is set around the body of rod in compression section
Deputy thread, deputy thread are extended by the side wall of main thread, and deputy thread and main thread are staggered setting, the screw channel spacing of deputy thread
Increase successively along the conveying direction of material, the outer external diameter through less than main thread of deputy thread；The root footpath of main thread is not in feeding section
Become, the external diameter of the main thread of feeding section becomes larger along the direction of Flow of Goods and Materials；The external diameter of deputy thread and main thread in compression section
Constant, the deputy thread of compression section and the root footpath of main thread become larger along the direction of Flow of Goods and Materials；The root of main thread in homogenizing zone
Footpath and external diameter are constant；The end set of the homogenizing zone has a mixing section, the mixing section include along the direction of Flow of Goods and Materials according to
The first barrier portion, the second barrier portion and the pin portion of secondary setting, if first barrier portion and second barrier portion include
Dry first screw channel and some second screw channels, the close one end for crossing rubber head of first screw channel is blind end, remote to cross the one of rubber head
Hold as openend；The close one end for crossing rubber head of second screw channel is openend, and remote one end for crossing rubber head is blind end, described
First screw channel and the second screw channel are staggered.
Further, the pin portion includes some pins, and pin head is shaped as prismatic or cylinder, pin arrangement side
To parallel with screw axis or in 15-30 ° of angle.
Further, the screw rod is provided with the semi-enclosed air discharge duct of ring, and the cross section of the air discharge duct is from the outside to the core
It is shaped to semicircle arcuation and is connected with feeding section.
Further, the rubber head of crossing includes work department, threaded joints and is arranged on work department and threaded joints
Between transition part, and work department, threaded joints and transition part three are connected as a single entity, and an annular table is provided with transition part
Shoulder, the mounting hole being connected with threaded joints is provided with mixing section.
Further, the work department includes some 3rd screw channels and some 4th screw channels, and the 3rd screw channel is close to mixed
The one end for refining section is blind end, and one end away from mixing section is openend；4th screw channel is to open close to one end of mixing section
Mouth end, one end away from mixing section is blind end, and the 3rd screw channel and the 4th screw channel are staggered, and work department is close to ring flange
One end be bullet.
Further, the nozzle includes mouth body and connector, and the mouth body is connected by connector with ring flange.
Further, the connector includes body and injection passage, and the body both ends are provided with external screw thread and divided
It is not connected with ring flange and mouth body.
Further, the mouth body includes screwed hole, gradual change hole and the plastic hole being connected with connector, the gradual change hole
Both ends are connected with screwed hole and plastic hole respectively, and the diameter in gradual change hole is gradually reduced along the PET directions flowed.
Further, the compression ratio of the screw rod is 2.25-2.4.
Further, the draw ratio of the screw rod is 20-24.
Beneficial effect is：Compared with prior art, a kind of injection device suitable for cosmetics containers, by compression section
Deputy thread is set, makes main thread promote space to be further carried out dividing with the melt that screw rod, rubber melting cylinder are separated so that solid-state
Separated with fused materials, that is, deputy thread plays the compression stroke of division compression solid-state melt and the storage of storage melting
The effect in space.Specifically, the melting melt in compression stroke can spill into storage by the gap between deputy thread and cylinder
In space, it is additionally, since conveying direction of the pitch of deputy thread along material and increases successively so that along the conveying direction of material,
Compression stroke is less and less, and memory space is then increasing so that and fused materials can be successfully flow in memory space, by
Mainly solid material is compressed in compression stroke to accelerate to melt after it is heated, when homogenized section of mixing section of fluid stream
When melt in liquid phase by from the direct clearance between the gap between the first screw channel, the second screw channel and rubber melting cylinder and adjacent pin
Connect and flow through, solid phase is blocked, and realizes separation of solid and liquid again, so as to improve the plasticizing quality of injection molding and efficiency.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing, wherein：
Fig. 1 is the structural representation of the utility model injection device；
Fig. 2 is the structural representation of the utility model screw rod；
Fig. 3 is the structural representation that the utility model crosses rubber head；
Fig. 4 is the structural representation of the utility model connector；
Fig. 5 is the structural representation of the utility model mouth body.
Embodiment
As depicted in figs. 1 and 2, a kind of injection device suitable for cosmetics containers, including rubber melting cylinder 1, heating circle, screw rod
2nd, rubber head 3, ring flange 4 and nozzle 5, the screw rod 2 to be crossed to be arranged in rubber melting cylinder 1, the heating snare is located on rubber melting cylinder 1,
The nozzle 5 is arranged on the discharge end of rubber melting cylinder 1 and connected by ring flange 4 with rubber melting cylinder 1, and the rubber head 3 of crossing is arranged on spiral shell
Between bar 2 and ring flange 4, the screw rod 2 includes the body of rod and the main thread 21 set around the body of rod, and the pitch of main thread 21 is along thing
The conveying direction of material is constant, and the screw rod 2 includes feeding section, compression section and the homogenizing set gradually along the direction of Flow of Goods and Materials
Section, be wherein additionally provided with compression section around the body of rod set deputy thread 22, deputy thread 22 by main thread 21 side wall extension and
Go out, deputy thread 22 and main thread 21 are staggered settings, and the conveying direction of the screw channel spacing of deputy thread 22 along material increases successively, pair
The outer external diameter through less than main thread 21 of screw thread 22；The root footpath of main thread 21 is constant in feeding section, the main thread 21 of feeding section
External diameter becomes larger along the direction of Flow of Goods and Materials；The external diameter of deputy thread 22 and main thread 21 is constant in compression section, the pair of compression section
The root footpath of screw thread 22 and main thread 21 becomes larger along the direction of Flow of Goods and Materials；The root footpath of main thread 21 and external diameter are equal in homogenizing zone
It is constant；The end set of the homogenizing zone has a mixing section, and the mixing section includes the set gradually along the direction of Flow of Goods and Materials
One barrier portion 23, the second barrier portion 24 and pin portion 25, if first barrier portion 23 and second barrier portion 24 include
Dry first screw channel and some second screw channels, first screw channel be blind end close to one end of rubber head 3 is crossed, away from rubber head 3
One end is openend；The close one end for crossing rubber head 3 of second screw channel is openend, and remote one end for crossing rubber head 3 is blind end,
First screw channel and the second screw channel are staggered.First screw channel and the second screw channel can increase the flow area of melt, ensure molten
The quality and flow of material.First screw channel and the external diameter of the second screw channel both sides are different, one side external diameter 0.5- low compared with another side external diameter
1mm, liquid melten gel is facilitated to be flowed between the first screw channel and the second screw channel.By setting deputy thread 22 in compression section, make main thread
21 promote space to be further carried out dividing with the melt that screw rod 2, rubber melting cylinder 1 are separated so that solid-state is carried out with fused materials
Separation, that is, deputy thread 22 play a part of the compression stroke of division compression solid-state melt and the memory space of storage melting.
Specifically, the melting melt in compression stroke can be spilt into memory space by the gap between deputy thread 22 and cylinder, and
And because conveying direction of the pitch along material of deputy thread 22 increases successively so that along the conveying direction of material, compression stroke
It is less and less, and memory space is then increasing so that fused materials can be successfully flow in memory space, because compression is empty
Between mainly solid material is compressed to accelerate to melt after it is heated, when the mixing section of homogenized section of fluid stream in melt
Liquid phase will be directly flowed through from the gap between the gap between the first screw channel, the second screw channel and rubber melting cylinder 1 and adjacent pin,
Solid phase is blocked, and realizes separation of solid and liquid again, so as to improve the plasticizing quality of injection molding.
The external diameter of the main thread 21 of feeding section becomes larger along the direction of Flow of Goods and Materials, and gap is more bigger toward air discharge duct 26,
So as to play certain scavenging action；The external diameter of deputy thread 22 and main thread 21 is constant in compression section, the deputy thread 22 of compression section
Become larger with the root footpath of main thread 21 along the direction of Flow of Goods and Materials, further improve compression efficiency；Main thread 21 in homogenizing zone
Root footpath and external diameter it is constant, be easy to control flow.
Further, the pin portion 25 includes some pins, and pin head is shaped as prismatic or cylinder, pin arrangement
Direction is with the diameter parallel of screw rod 2 or in 15-30 ° of angle.Installed in the anterior pin portion 25 of screw rod 2, the first barrier portion 23 and the
The design of the mixing section of two barrier portion 24 3 can carry out axial stirring simultaneously, radially stir, and be kneaded stirring more thoroughly so that addition color
The raw material of agent is fully plastified and mixed.The design of three mixing sections makes mixing section have larger gap, also has in injection and sealing
There is certain scavenging action.
Further, the screw rod 2 is provided with the semi-enclosed air discharge duct 26 of ring, and the cross section of the air discharge duct 26 is outside
Inwardly it is shaped to semicircle arcuation and is connected with feeding section.Air discharge duct 26 is beneficial to the exclusion of gas in melt, improves plasticizing quality.
Further, as shown in figure 3, the rubber head 3 of crossing includes work department 31, threaded joints 32 and is arranged on work
Transition part 33 between portion 31 and threaded joints 32, and work department 31, threaded joints 32 and the three of transition part 33 are linked as
One, an annular shoulder is provided with transition part 33, the mounting hole being connected with threaded joints 32 is provided with mixing section.Annular
Shoulder can be used for installing cushion rubber.In conventional art, injection machine plasticizing part is kneaded simply to be led in the rotation process of screw rod 2
The mixing section for crossing screw rod 2 is kneaded to plastics, and after certain time, screw rod 2 can wear, and melting effect also can be by
Gradually reduce, now just need to change the screw rod 2 with mixing section to remedy.But the production cycle of screw rod 2 is long, manufacturing cost
Height, it is also inconvenient to change.In this programme, melt can be entered with auxiliary threaded rod 2 in mixing process by rationally designing rubber head 3
Row further stirs and evenly mixs, and can significantly improve melting effect.
Further, the work department 31 includes some 3rd screw channels and some 4th screw channels, and the 3rd screw channel is close
One end of mixing section is blind end, and one end away from mixing section is openend；4th screw channel is close to one end of mixing section
Openend, one end away from mixing section is blind end, and the 3rd screw channel and the 4th screw channel are staggered, and work department 31 is close to method
One end of blue disk 4 is bullet.Liquid phase when work department 31 of the fluid stream Jing Guo rubber head 3 in melt will be from the 3rd screw channel,
Gap between four screw channels and rubber melting cylinder 1 directly flows through, and solid phase is blocked, and realizes separation of solid and liquid again, so as to carry
The plasticizing quality of high injection molding.
Further, the nozzle 5 includes mouth body and connector, and the mouth body is connected by connector with ring flange 4.
During use, injection machine would generally be docked with different moulds and used, and requirement of the different moulds to nozzle 5 is also different,
Therefore, when using different moulds, nozzle 5 is often changed, existing nozzle 5 is all unitary design, and is processed more
Complexity, to have multiple nozzles 5 will increase production cost.This programme can meet a nozzle 5 by changing connector
Multiple different mould requirements, effectively reduce cost.
Further, as shown in figure 4, the connector includes body 51 and injection passage 52, the both ends of body 51 are equal
It is provided with external screw thread and is connected respectively with ring flange 4 and mouth body.
Further, as shown in figure 5, the mouth body includes screwed hole 53, gradual change hole 54 and the plastic emitting being connected with connector
Hole 55, the both ends in the gradual change hole 54 connect with screwed hole 53 and plastic hole 55 respectively, and the diameter in gradual change hole 54 flows along PET
Dynamic direction is gradually reduced.
Further, the compression ratio of the screw rod 2 is 2.25-2.4, and the draw ratio of the screw rod 2 is 20-24.It is such
Size design is particularly suitable for being injection moulded plastics.
Above example is only not limited to illustrate the technical solution of the utility model, all without departing from this
Any modification of utility model spirit and scope or equivalent substitution, it all should cover the scope in technical solutions of the utility model
It is interior.
Claims (10)
1. a kind of injection device suitable for cosmetics containers, including rubber melting cylinder (1), excessively screw rod (2), rubber head (3), ring flange
(4) it is arranged on nozzle (5), the screw rod (2) in rubber melting cylinder (1), the nozzle (5) is arranged on the discharge end of rubber melting cylinder (1)
And connected by ring flange (4) with rubber melting cylinder (1), the rubber head (3) of crossing is arranged between screw rod (2) and ring flange (4), and it is special
Sign is, the screw rod (2) includes the body of rod and the main thread (21) set around the body of rod, and the pitch of main thread (21) is along material
Conveying direction is constant, and the screw rod (2) includes feeding section, compression section and the homogenizing zone set gradually along the direction of Flow of Goods and Materials,
The deputy thread (22) set around the body of rod is wherein additionally provided with compression section, deputy thread (22) is extended by the side wall of main thread (21)
And go out, deputy thread (22) and main thread (21) are staggered setting, the conveying direction of the screw channel spacing of deputy thread (22) along material according to
Secondary increase, the outer external diameter through less than main thread (21) of deputy thread (22)；The root footpath of main thread (21) is constant in feeding section, charging
The external diameter of the main thread (21) of section becomes larger along the direction of Flow of Goods and Materials；Deputy thread (22) and main thread (21) in compression section
External diameter is constant, and the deputy thread (22) of compression section and the root footpath of main thread (21) become larger along the direction of Flow of Goods and Materials；Homogenizing zone
The root footpath of middle main thread (21) and external diameter are constant；The end set of the homogenizing zone has mixing section, and the mixing section includes edge
The first barrier portion (23) that the direction of Flow of Goods and Materials is set gradually, the second barrier portion (24) and pin portion (25), first screen
Barrier portion (23) and second barrier portion (24) include some first screw channels and some second screw channels, and first screw channel is close
The one end for crossing rubber head (3) is blind end, and remote one end for crossing rubber head (3) is openend；Second screw channel is close to cross rubber head (3)
One end be openend, away from cross rubber head (3) one end be blind end, first screw channel and the second screw channel are staggered.
A kind of 2. injection device suitable for cosmetics containers according to claim 1, it is characterised in that the pin portion
(25) some pins are included, pin head is shaped as prismatic or cylinder, pin orientation and screw rod (2) diameter parallel or is in
15-30 ° of angle.
A kind of 3. injection device suitable for cosmetics containers according to claim 1, it is characterised in that the screw rod
(2) the semi-enclosed air discharge duct (26) of ring is provided with, the cross section of the air discharge duct (26) is shaped to semicircle arcuation from the outside to the core
And it is connected with feeding section.
4. a kind of injection device suitable for cosmetics containers according to claim 1, it is characterised in that described to cross rubber head
(3) work department (31), threaded joints (32) and the mistake being arranged between work department (31) and threaded joints (32) are included
Portion (33) is crossed, and work department (31), threaded joints (32) and transition part (33) three are connected as a single entity, on transition part (33)
Provided with an annular shoulder.
A kind of 5. injection device suitable for cosmetics containers according to claim 4, it is characterised in that the work department
(31) some 3rd screw channels and some 4th screw channels are included, the 3rd screw channel is blind end close to one end of mixing section, remote
One end of mixing section is openend；4th screw channel is openend close to one end of mixing section, and one end away from mixing section is
Blind end, the 3rd screw channel and the 4th screw channel are staggered, and work department (31) is bullet close to one end of ring flange (4).
A kind of 6. injection device suitable for cosmetics containers according to claim 1, it is characterised in that the nozzle
(5) mouth body and connector are included, the mouth body is connected by connector with ring flange (4).
A kind of 7. injection device suitable for cosmetics containers according to claim 6, it is characterised in that the connector
Including body (51) and injection passage (52), body (51) both ends be provided with external screw thread and respectively with ring flange (4) and
Mouth body connects.
A kind of 8. injection device suitable for cosmetics containers according to claim 6, it is characterised in that the mouth body bag
Include the screwed hole (53) being connected with connector, gradual change hole (54) and plastic hole (55), the both ends of the gradual change hole (54) respectively with
Screwed hole (53) is connected with plastic hole (55), and the diameter of gradual change hole (54) is gradually reduced along the PET directions flowed.
A kind of 9. injection device suitable for cosmetics containers according to claim 1, it is characterised in that the screw rod
(2) compression ratio is 2.25-2.4.
A kind of 10. injection device suitable for cosmetics containers according to claim 1, it is characterised in that the screw rod
(2) draw ratio is 20-24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134743.3U CN207207023U (en) | 2017-09-05 | 2017-09-05 | A kind of injection device suitable for cosmetics containers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134743.3U CN207207023U (en) | 2017-09-05 | 2017-09-05 | A kind of injection device suitable for cosmetics containers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207207023U true CN207207023U (en) | 2018-04-10 |
Family
ID=61827097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721134743.3U Active CN207207023U (en) | 2017-09-05 | 2017-09-05 | A kind of injection device suitable for cosmetics containers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207207023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624242A (en) * | 2019-01-25 | 2019-04-16 | 广东金迪威智能装备有限公司 | A kind of injection molding machine melten gel colour mixture screw rod |
-
2017
- 2017-09-05 CN CN201721134743.3U patent/CN207207023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624242A (en) * | 2019-01-25 | 2019-04-16 | 广东金迪威智能装备有限公司 | A kind of injection molding machine melten gel colour mixture screw rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102166794A (en) | Rubber continuous mixing dual-rotor structure and mixing equipment adopting same | |
| CN207207023U (en) | A kind of injection device suitable for cosmetics containers | |
| CN108858869B (en) | A equipment for producing high dispersion type fluorine-containing polymer master batch | |
| CN106393630B (en) | A kind of extruder | |
| CN112476973A (en) | High colour mixture screw rod injection molding machine of titanium white powder of can adding | |
| CN203510658U (en) | Mixing device for melting material of injection molding machine | |
| CN206317368U (en) | A kind of extruder | |
| CN208896446U (en) | A kind of raw material premix device of modified plastics double helix extrusion molding system | |
| CN204585754U (en) | One crosses glue head group part | |
| CN103481484A (en) | Plastic extruder with charging port stirring function | |
| CN207224516U (en) | A kind of injection device suitable for PET | |
| CN207327521U (en) | A kind of injection device suitable for TPU | |
| CN209257445U (en) | A kind of rubber screw rod | |
| CN207901608U (en) | A kind of injection molding machine milling device | |
| CN207772158U (en) | A kind of rubber mixing machine | |
| CN206561573U (en) | Colour mixture mixing refining head and the mixing colour mixture screw rod using the colour mixture mixing refining head | |
| CN102490327B (en) | Screw for injection molding machine | |
| CN206124181U (en) | Extrusion molding screw rod | |
| CN203371749U (en) | One-step plasticizing moulding device for liquid two-component polyurethane | |
| CN105034294A (en) | Injection molding plastic batching system | |
| CN213733314U (en) | Mixing head of single-screw extruder | |
| CN201320839Y (en) | Film blowing machine head | |
| CN108943643A (en) | A kind of raw material premix device of modified plastics double helix extrusion molding system | |
| CN109203372B (en) | Mulling nozzle structure | |
| CN214137070U (en) | High colour mixture screw rod injection molding machine of titanium white powder of can adding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |