CN208645948U - A kind of screw in injection molding machine - Google Patents
A kind of screw in injection molding machine Download PDFInfo
- Publication number
- CN208645948U CN208645948U CN201821132701.0U CN201821132701U CN208645948U CN 208645948 U CN208645948 U CN 208645948U CN 201821132701 U CN201821132701 U CN 201821132701U CN 208645948 U CN208645948 U CN 208645948U
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- Prior art keywords
- screw
- section
- card slot
- homogenizing
- clamping seat
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Abstract
The utility model discloses a kind of screw in injection molding machine, including screw body；The screw body is assembled by feeding section, compression section, homogenizing metering section and screw head；Its periphery of the threaded portion of the feeding section is provided with deep screw channel and shallow screw channel along its axially spaced-apart；The homogenizing metering section its close to screw head side and its both ends outwardly convex of the compression section be respectively arranged with clamping seat；Its periphery of the clamping seat is respectively arranged with external screw thread and fixture block；Multiple through slots are offered on the clamping seat；The screw head, the homogenizing metering section its away from the threaded portion of screw head side and the feeding section, it offers away from transmission connection portion side the card slot body for install clamping seat；Described its inner wall of card slot body is separately provided for the internal screw thread and card slot connecting with clamping its external screw thread of seat and fixture block；The cutting of more with through slot assembling are fixed in the card slot body；The screw in injection molding machine of the utility model, convenient for disassembly and assembly, use scope is extensive.
Description
Technical field
The utility model relates to a kind of injection-moulding devices, and in particular to a kind of screw in injection molding machine belongs to injection-moulding device technology neck
Domain.
Background technique
Screw rod is important one of the components of injection molding machine, it is rotated in barrel, and by solid plastic particles or plastic cement
Powder melts plasticizing, storage metering, conveying, wherein plasticizing directly influences the quality of plastic products；When plasticizing, plastics receive material
The heat melts that the heat and plastics of cylinder are generated with the friction of plastics, plastics and barrel, plastics and screw surface, and in screw rod
Stirring under advance complete injection molding, so the structure of screw rod is extremely important；Screw in injection molding machine can be divided under normal circumstances feeding section,
Compression section and metering section (homogenizing zone)；Ratio shared by different three sections of screw rod is different, and screw rod groove depth is different, in screw rod
Diameter interim form is different；Screw in injection molding machine compression ratio refer to one screw channel of feeding section of screw rod volume and homogenizing zone last
The ratio of a screw channel volume, it is directly proportional to the gelation degree of plastics to it；But the screw compression ratio of existing screw in injection molding machine
It can not be adjusted.
Utility model content
A kind of in order to solve the above problems, the utility model proposes screw in injection molding machine can be selected according to the difference of processing materials
Select assembling and the different spiral groove depths of replacement and the feeding section of length, compression section, homogenizing metering section and/or screw head, use scope
More extensively.
The screw in injection molding machine of the utility model, including screw body；The screw body is by feeding section, compression section, homogenizing
Metering section and screw head are assembled, and according to the different selection assemblings of processing materials and can replace different spiral groove depths and length
Feeding section, compression section, homogenizing metering section and/or screw head, use scope are more extensive；The feeding section is connected by threaded portion and transmission
Socket part is integrally fixed；Its periphery of the threaded portion of the feeding section is provided with deep screw channel and shallow screw channel along its axially spaced-apart, is feeding
Deep screw channel and shallow screw channel is arranged in the thread segment interval of section, and deep screw channel improves the saturation of material, improves feed quantity and plasticizing energy
The shear strength of material plasticizing effect and screw root then can be improved in power, setting shallow screw channel, guarantees that material can be in feeding section
It pushes lower realize uniformly to preheat, reaches pre- heat fusion joint；Its periphery of the compression section along its it is axially tapered be provided with gradual change screw channel, modeling
Material can be completely dissolved in compression section, and volume can reduce, and therefore, tapered gradual change screw channel be arranged in compression section, enable material
Abundant melting mixing；Its periphery of the homogenizing metering section is provided with fixed screw channel along its axial direction；Its is close for the homogenizing metering section
Screw head side and its both ends outwardly convex of the compression section are respectively arranged with clamping seat；Its periphery of the clamping seat is respectively set
There are external screw thread and fixture block；Multiple through slots are offered on the clamping seat；The screw head, the homogenizing metering section its deviate from screw rod
First side and the threaded portion of the feeding section its card slot body for install clamping seat is offered away from transmission connection portion side；
Described its inner wall of card slot body is separately provided for the internal screw thread and card slot connecting with clamping its external screw thread of seat and fixture block；The card
The cuttings of more with through slot assembling are fixed in groove body, when assembling, feeding section and compression section installation, successively by the cutting of feeding section
It is plugged in the through slot of compression section side, and the clamping seat of compression section at this is threadedly coupled with the card slot body of feeding section, meanwhile,
The fixture block of the clamping seat of compression section is arranged in the card slot of card slot body of feeding section；Compression section and homogenizing metering section installation, will
The cutting of homogenizing metering section side is successively plugged in the through slot of the compression section other side, and by the clamping seat of compression section at this and
The card slot body for changing metering section is threadedly coupled, meanwhile, the fixture block of the clamping seat of compression section is arranged in the card slot body of homogenizing metering section
Card slot in；It is homogenized metering section and screw head is installed, the cutting of screw head is successively plugged in the through slot of homogenizing metering section, and
The clamping seat of screw head is threadedly coupled with the card slot body of homogenizing metering section, meanwhile, the fixture block card of the clamping seat of screw head is set
In the card slot of the card slot body of homogenizing metering section.
As preferred embodiment, the deep screw channel and shallow spiral shell of its gradual change screw channel orientation of the compression section and feeding section
Its orientation of slot is opposite；It fixes screw channel arrangement with metering section is homogenized for its deep screw channel of the feeding section and shallow screw channel arragement direction
Direction is identical.
Further, described its through slot for clamping seat center of homogenizing metering section extends to inside homogenizing metering section；It is described equal
The cutting for changing its card slot body center of metering section extends on the outside of homogenizing metering section.
Further, its through slot for clamping seat center of the compression section extends to inside compression section.
Further, the cutting in its card slot body center of the feeding section extends on the outside of feeding section.
As preferred embodiment, the screw body is assembled by feeding section, compression section and screw head, for adding
The injection molding of the thermal sensitivity plastics such as work PVC removes the homogenizing metering section of screw body, in case the thermosensitive plastics such as PVC thermally decompose；Group
When dress, the cutting of feeding section is successively plugged in the through slot of compression section side, and will press at this by feeding section and compression section installation
The clamping seat of contracting section is threadedly coupled with the card slot body of feeding section, meanwhile, the fixture block of the clamping seat of compression section is arranged in feeding section
Card slot body card slot in；Compression section and screw head are installed, and the cutting of screw head is successively plugged in the logical of the compression section other side
In slot, and the clamping seat of compression section at this is threadedly coupled with the card slot body of screw head, meanwhile, by the card of the clamping seat of compression section
Block is arranged in the card slot of card slot body of screw head.
Compared with prior art, the screw in injection molding machine of the utility model, it can be according to processing materials not
It with selection assembling and replaces the feeding section of different spiral groove depths and length, compression section, be homogenized metering section and/or screw head, use
Range is more extensive；Deep screw channel and shallow screw channel are set at the thread segment interval of feeding section, deep screw channel improves the saturation of material, improves
Feed quantity and plasticizing capacity, setting shallow screw channel then can be improved the shear strength of material plasticizing effect and screw root, guarantee object
Material can realize uniformly preheating under the pushing of feeding section, reach pre- heat fusion joint.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiments of the present invention 1.
Fig. 2 is the schematic cross-sectional view of the embodiments of the present invention 1.
Fig. 3 is the compression section structural schematic diagram of the utility model.
Fig. 4 is the overall structure diagram of the embodiments of the present invention 2.
Each component mark in attached drawing are as follows: 1- feeding section, the compression section 2-, 3- homogenizing metering section, 4- screw head, 5- depth screw channel,
6- shallow screw channel, 7- gradual change screw channel, the fixed screw channel of 8-, 9- clamp seat, 10- external screw thread, the threaded portion 11-, 12- transmission connection portion, 13-
Fixture block, 14- through slot, 15- card slot body, 16- internal screw thread, 17- cutting.
Specific embodiment
Embodiment 1:
Screw in injection molding machine as shown in Figure 1 to Figure 3, including screw body；The screw body is by feeding section 1, compression section
2, it is homogenized metering section 3 and screw head 4 is assembled；The feeding section 1 is fixed by threaded portion 11 and 12 one of transmission connection portion；Institute
It states its periphery of the threaded portion 11 of feeding section 1 and its axially spaced-apart is provided with deep screw channel 5 and shallow screw channel 6；Its periphery of the compression section 2
Axially tapered gradual change screw channel 7 is provided with along its；Its periphery of the homogenizing metering section 3 is provided with fixed screw channel 8 along its axial direction；It is described
Homogenizing metering section 3 its close to 4 side of screw head and its both ends outwardly convex of the compression section 2 be respectively arranged with clamp seat 9；It is described
It clamps its periphery of seat 9 and is respectively arranged with external screw thread 10 and fixture block 13；Multiple through slots 14 are offered on the clamping seat 9；The spiral shell
Head 4, the homogenizing metering section 3 its away from the threaded portion 11 of 4 side of screw head and the feeding section 1, it deviates from transmission connection portion
12 sides are offered for installing the card slot body 15 for clamping seat 9；Described its inner wall of card slot body 15 is separately provided for and blocks
Fill the internal screw thread 16 and card slot (not shown) that its external screw thread 10 of seat 9 and fixture block 13 connect；More are fixed in the card slot body 15
The cutting 17 assembled with through slot 14.
Its 7 orientation of gradual change screw channel of the compression section 2 and its orientation phase of the deep screw channel 5 and shallow screw channel 6 of feeding section 1
Instead；Its deep screw channel 5 of the feeding section 1 and 6 arragement direction of shallow screw channel are identical as its fixation 8 arragement direction of screw channel of homogenizing metering section 3.
Its through slot 14 for clamping 9 center of seat of the homogenizing metering section 3 extends to inside homogenizing metering section 3；The homogenizing meter
The cutting 17 in its 15 center of card slot body of amount section 3 extends to 3 outside of homogenizing metering section.
Its through slot 14 for clamping 9 center of seat of the compression section 2 extends to inside compression section 2.
The cutting 17 in its 15 center of card slot body of the feeding section 1 extends to 1 outside of feeding section.
The screw in injection molding machine of the present embodiment, when assembling, feeding section and compression section installation successively insert the cutting of feeding section
It is threadedly coupled in the through slot of compression section side, and by the clamping seat of compression section at this with the card slot body of feeding section, meanwhile, it will press
The fixture block of the clamping seat of contracting section is arranged in the card slot of card slot body of feeding section；Compression section and homogenizing metering section installation, will be homogenized
The cutting of metering section side is successively plugged in the through slot of the compression section other side, and the clamping seat of compression section at this and homogenizing are counted
The card slot body for measuring section is threadedly coupled, meanwhile, the fixture block of the clamping seat of compression section is arranged in the card of the card slot body of homogenizing metering section
In slot；It is homogenized metering section and screw head to install, the cutting of screw head is successively plugged in the through slot of homogenizing metering section, and by spiral shell
The clamping seat of head is threadedly coupled with the card slot body of homogenizing metering section, meanwhile, the fixture block of the clamping seat of screw head is arranged in
In the card slot for changing the card slot body of metering section.
Embodiment 2:
Screw in injection molding machine as shown in Figure 4, structure are substantially the same manner as Example 1, wherein the screw body is by feeding
Section 1, compression section 2 and screw head 4 are assembled.
The screw in injection molding machine of the present embodiment, for the injection molding of the thermal sensitivity plastics such as processing PVC, by the homogenizing meter of screw body
Section is measured to remove, in case the thermosensitive plastics such as PVC thermally decompose；When assembling, feeding section and compression section installation, successively by the cutting of feeding section
It is plugged in the through slot of compression section side, and the clamping seat of compression section at this is threadedly coupled with the card slot body of feeding section, meanwhile,
The fixture block of the clamping seat of compression section is arranged in the card slot of card slot body of feeding section；Compression section and screw head are installed, by screw rod
Head cutting be successively plugged in the through slot of the compression section other side, and by this compression section clamping seat and screw head card slot body
It is threadedly coupled, meanwhile, the fixture block of the clamping seat of compression section is arranged in the card slot of card slot body of screw head.
Above-described embodiment is only the better embodiment of the utility model, therefore all according to the utility model patent application range
The equivalent change or modification that the structure, feature and principle is done, is included in the scope of the utility model patent application.
Claims (6)
1. a kind of screw in injection molding machine, it is characterised in that: including screw body；The screw body is by feeding section, compression section, homogenizing
Metering section and screw head are assembled；The feeding section is integrally fixed by threaded portion and transmission connection portion；The spiral shell of the feeding section
Its periphery of line portion is provided with deep screw channel and shallow screw channel along its axially spaced-apart；Its periphery of the compression section axially tapered is provided with along its
Gradual change screw channel；Its periphery of the homogenizing metering section is provided with fixed screw channel along its axial direction；The homogenizing metering section its close to screw rod
First side and its both ends outwardly convex of the compression section are respectively arranged with clamping seat；Its periphery of the clamping seat is respectively arranged with outer
Screw thread and fixture block；Multiple through slots are offered on the clamping seat；The screw head, the homogenizing metering section its deviate from screw head one
Side and the threaded portion of the feeding section its card slot body for install clamping seat is offered away from transmission connection portion side；It is described
Its inner wall of card slot body is separately provided for the internal screw thread and card slot connecting with clamping its external screw thread of seat and fixture block；The card slot body
In be fixed with more with through slot assembling cuttings.
2. screw in injection molding machine according to claim 1, it is characterised in that: its gradual change screw channel orientation of the compression section with
Its orientation of the deep screw channel and shallow screw channel of feeding section is opposite；Its deep screw channel of the feeding section and shallow screw channel arragement direction and homogenizing
Its fixation screw channel arragement direction of metering section is identical.
3. screw in injection molding machine according to claim 1, it is characterised in that: its clamping seat center of homogenizing metering section leads to
Slot extends to inside homogenizing metering section；The cutting in homogenizing its card slot body center of metering section extends on the outside of homogenizing metering section.
4. screw in injection molding machine according to claim 1, it is characterised in that: its through slot for clamping seat center of the compression section prolongs
It extends to inside compression section.
5. screw in injection molding machine according to claim 1, it is characterised in that: the cutting in its card slot body center of the feeding section is prolonged
It extends on the outside of feeding section.
6. screw in injection molding machine according to claim 1, it is characterised in that: the screw body by feeding section, compression section and
Screw head is assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132701.0U CN208645948U (en) | 2018-07-17 | 2018-07-17 | A kind of screw in injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132701.0U CN208645948U (en) | 2018-07-17 | 2018-07-17 | A kind of screw in injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208645948U true CN208645948U (en) | 2019-03-26 |
Family
ID=65784697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821132701.0U Active CN208645948U (en) | 2018-07-17 | 2018-07-17 | A kind of screw in injection molding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN208645948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848166A (en) * | 2021-03-16 | 2021-05-28 | 舟山市通达塑料机械有限公司 | Improve screw rod for injection molding of extra-white panel of yield |
-
2018
- 2018-07-17 CN CN201821132701.0U patent/CN208645948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848166A (en) * | 2021-03-16 | 2021-05-28 | 舟山市通达塑料机械有限公司 | Improve screw rod for injection molding of extra-white panel of yield |
| CN112848166B (en) * | 2021-03-16 | 2022-08-09 | 舟山市通达塑料机械有限公司 | Improve screw rod for injection molding of extra-white panel of yield |
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