CN207954551U - A kind of screw in injection molding machine suitable for PC material - Google Patents
A kind of screw in injection molding machine suitable for PC material Download PDFInfo
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- CN207954551U CN207954551U CN201820353079.XU CN201820353079U CN207954551U CN 207954551 U CN207954551 U CN 207954551U CN 201820353079 U CN201820353079 U CN 201820353079U CN 207954551 U CN207954551 U CN 207954551U
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Abstract
The utility model is related to injection molding machine technical fields, and in particular to a kind of screw in injection molding machine suitable for PC material, including machine barrel and the screw body that is installed in machine barrel；The screw body includes construction section and spiro rod section；The construction section is arranged on external actuating unit to drive screw body to rotate；The spiro rod section includes feeding section, compression section, homogenizing zone and the discharging section set gradually along feedstock direction；The construction section is connected with feeding section；The screw diameter of the compression section gradually increases along feedstock direction；The screw diameter of the feeding section and the screw diameter at compression section beginning are equal；The screw diameter of the screw diameter and compression section end of the homogenizing zone and the discharging section is equal；The beneficial effects of the utility model are：It is reasonable in design, by carrying out structure improvement to existing screw in injection molding machine, avoids PC material from occurring the phenomenon that tobacco and flavescence in production, improve the quality of production of PC material.
Description
Technical field
The utility model is related to injection molding machine technical fields, and in particular to a kind of screw in injection molding machine suitable for PC material.
Background technology
Injection molding machine also known as injection (mo(u)lding) machine or injector, it is that thermoplastic or thermosetting plastics are utilized plastic shaping
The main former of variously-shaped plastic products is made in mold.Injection molding machine can heating of plastic, and to molten plastic apply
High pressure, to make it project and be full of mold cavity.Screw rod is the important component of injection molding machine, its effect is defeated to plastics progress
It send, be compacted, melt, stir and press.All these steps are all rotating to complete, in screw rod in barrel by screw rod
When rotation, plastics between machine tube inner wall, screw channel bottom surface, spiral shell rib pressure surface and plastics and plastics for rubbing can all generate
Scrape along mutually moves.Plastics in barrel push ahead this movement combination as a result, and rub generate heat
It is absorbed for improving plastics temperature and fusing plastics.The design structure of screw rod will directly influence the degree of these effects.
Existing injection molding machine process PC material when, due to the structure design of screw in injection molding machine there is a problem of it is unreasonable, from
And result in the jaundice of PC plastic product and the phenomenon that tobacco occur, so that the quality of production of PC material is lower.
Utility model content
In order to overcome the defect of the above-mentioned prior art, technical problem to be solved in the utility model to be：A kind of knot is provided
Structure reasonable design can improve the screw in injection molding machine for being suitable for PC material of the PC material qualities of production.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of injection molding suitable for PC material
Machine screw rod, including machine barrel and the screw body that is installed in machine barrel；The screw body includes construction section and spiro rod section；The peace
Dress section is arranged on external actuating unit to drive screw body to rotate；The spiro rod section includes being set successively along feedstock direction
Feeding section, compression section, homogenizing zone and the discharging section set；The construction section is connected with feeding section；The screw diameter of the compression section
Gradually increase along feedstock direction；The screw diameter of the feeding section and the screw diameter at compression section beginning are equal；The homogenizing zone
It is equal with the screw diameter of the screw diameter of the discharging section and compression section end；The feeding section, compression section and homogenizing zone
Outer surface is equipped with spiral shell rib.
Further, the semidiameter at spiro rod section both ends is 3.2cm.
Further, the machine barrel, which corresponds to, is provided with multiple cooling baths along feedstock direction, institute on the outer surface of homogenizing zone
Cooling bath is stated to be spirally distributed around machine barrel outer surface.
Further, secondary spiral shell rib is provided on the compression section, compression section is divided into two parts by the pair spiral shell rib.
Further, the surface of the spiro rod section is coated with zirconia ceramics coating.
The beneficial effects of the utility model are：By carrying out structure improvement to existing screw in injection molding machine, discharging is added
Section, spiral shell rib is not designed on discharging section, therefore not will produce shear heat, avoiding PC material is caused to turn yellow and be occurred due to shear heat
The problem of tobacco；Simultaneously the screw diameter of compression section is designed as gradually increasing along feedstock direction so that the PC material of melting can
Discharging section is smoothly flowed to, the resistance of feeding is reduced, the delay and PC material for being not likely to produce PC material are easy due to excessive compression
It is overdone, the phenomenon that avoiding the occurrence of tobacco and turn yellow, improve the quality of production of PC material.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of screw in injection molding machine suitable for PC material of specific embodiment of the present invention；
Fig. 2 is the partial enlarged view of the homogenizing zone in Fig. 1；
Label declaration：
1, machine barrel；11, cooling bath；
2, screw body；21, construction section；22, spiro rod section；221, feeding section；222, compression section；
2221, secondary spiral shell rib；223, homogenizing zone；224, discharging section；
3, spiral shell rib.
Specific implementation mode
For technology contents, the objects and the effects of the utility model are described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is：Discharging section is added, does not design spiral shell rib on discharging section, therefore not will produce
Shear heat, avoiding PC material leads to the problem of tobacco that turns yellow and occur due to shear heat；Simultaneously by the screw diameter of compression section
The phenomenon that being designed as gradually increasing along feedstock direction, PC material is avoided to occur tobacco in production and turn yellow, improves the production of PC material
Quality.
It please refers to shown in Fig. 1 and Fig. 2, a kind of screw in injection molding machine suitable for PC material, including machine barrel 1 and is installed on machine barrel 1
Interior screw body 2；The screw body 2 includes construction section 21 and spiro rod section 22；The construction section 21 is arranged to be moved in external
To drive screw body 2 to rotate on force mechanisms；The spiro rod section 22 include the feeding section 221 set gradually along feedstock direction,
Compression section 222, homogenizing zone 223 and discharging section 224；The construction section 21 and feeding section 221 connect；The spiral shell of the compression section 222
Shank diameter gradually increases along feedstock direction；The screw diameter phase at 222 beginning of screw diameter and compression section of the feeding section 221
Deng；The homogenizing zone 223 is equal with the screw diameter of 222 end of the screw diameter of the discharging section 224 and compression section；It is described to add
Expect that the outer surface of section 221, compression section 222 and homogenizing zone 223 is equipped with spiral shell rib 3.
A kind of use process of above-mentioned screw in injection molding machine suitable for PC material is：First, screw body 2 is mounted on machine
On cylinder 1, the position that the discharging section 224 of spiro rod section 22 is corresponded on machine barrel 1 is equipped with opening；Then, by the construction section of screw body 2
21 are mounted on external actuating unit so that screw body 2 can realize rotation；Finally, by the opening and injection molding machine of machine barrel 1
Nozzle connection.PC material are entered by feeding section 221, after the effect via feeding section 221, compression section 222 and homogenizing zone 223
Form uniform molten plastic, and under the progradation of spiral shell rib 3 from discharging section 224 via the opening and injection molding machine of machine barrel 1
Nozzle injection mold in.
A kind of advantageous effect of above-mentioned screw in injection molding machine suitable for PC material is：By to existing screw in injection molding machine
Structure improvement is carried out, discharging section 224 is added, does not design spiral shell rib 3 on discharging section 224, therefore not will produce shear heat, avoid PC
Material leads to the problem of tobacco that turns yellow and occur due to shear heat；The screw diameter of compression section 222 is designed as along charging simultaneously
Direction gradually increases so that the PC material of melting can smoothly flow to discharging section 224, reduce the resistance of feeding, be not likely to produce PC
The delay of material and PC material are easy to be overdone due to excessive compression, the phenomenon that avoiding the occurrence of tobacco and turn yellow, improve the life of PC material
Yield and quality.
Further, the semidiameter at 22 both ends of spiro rod section is 3.2cm.
Seen from the above description, by the way that the semidiameter at 22 both ends of spiro rod section is designed as 3.2cm, the i.e. discharging of spiro rod section 22
Radius and feeding section 221 of the section 224 close to one end of nozzle close to the difference of the radius of one end of construction section 21 are 3.2cm, can
To prevent from, since discharging section 224 and barrel gap are too close, causing PC material easy to be overdone due to there is excessive compression, so as to cause
There is the case where tobacco and raw material jaundice, and then influences raw material material.
Further, multiple cooling baths along feedstock direction are provided on the outer surface of the correspondence of the machine barrel 1 homogenizing zone 223
11, the cooling bath 11 is spirally distributed around 1 outer surface of machine barrel.
Seen from the above description, it by the way that cooling bath 11 is arranged, conveys cold water using cooling bath 11 and spiro rod section 22 is located at
The Part portions for changing section 223 are cooled down, and lead to the bad of PC material flavescence due to overheat after expecting compressed melting to avoid PC
Problem.
Further, secondary spiral shell rib 2221 is provided on the compression section 222, the pair spiral shell rib 2221 divides compression section 222
It is divided into two parts.
Seen from the above description, by being provided with secondary spiral shell rib 2221 on compression section 222, secondary spiral shell rib 2221 is by compression section
222 are divided into two parts, i.e., the screw pitch on compression section 222 is divided into two parts, raising stirring frequency by secondary spiral shell rib 2221 so that
PC material receive more tangential forces, so that PC material will not ensure the discharging of PC material more there is a phenomenon where coke material and putty
Uniformly.
Further, the surface of the spiro rod section 22 is coated with zirconia ceramics coating.
Seen from the above description, by being coated with zirconia ceramics coating on the surface of spiro rod section 22, zirconia ceramics applies
Expect that hardness is high, can high temperature resistant, and its heat insulation is high, can not only effectively improve the high temperature resistance of spiro rod section 22 and hard
Degree, additionally it is possible to improve the service life of spiro rod section 22.
It please refers to shown in Fig. 1 and Fig. 2, the embodiments of the present invention one are：
A kind of screw in injection molding machine suitable for PC material, including machine barrel 1 and the screw body 2 that is installed in machine barrel 1；The spiral shell
Bar body 2 includes construction section 21 and spiro rod section 22；The construction section 21 is arranged on external actuating unit to drive screw rod
Ontology 2 rotates；The spiro rod section 22 includes feeding section 221, compression section 222,223 and of homogenizing zone set gradually along feedstock direction
Discharging section 224；The construction section 21 and feeding section 221 connect；The screw diameter of the compression section 222 gradually increases along feedstock direction
Greatly；The screw diameter at 222 beginning of screw diameter and compression section of the feeding section 221 is equal；The homogenizing zone 223 and it is described go out
Expect that the screw diameter of 222 end of screw diameter and compression section of section 224 is equal；The feeding section 221, compression section 222 and homogenizing
The outer surface of section 223 is equipped with spiral shell rib 3.
The semidiameter at 22 both ends of the spiro rod section is 3.2cm.
Multiple cooling baths 11 along feedstock direction are provided on the outer surface of the correspondence homogenizing zone 223 of the machine barrel 1, it is described cold
But slot 11 is spirally distributed around 1 outer surface of machine barrel.
Secondary spiral shell rib 2221 is provided on the compression section 222, compression section 222 is divided into two by the pair spiral shell rib 2221
Point.
The surface of the spiro rod section 22 is coated with zirconia ceramics coating.
In conclusion a kind of screw in injection molding machine suitable for PC material provided by the utility model, by existing injection molding
Machine screw rod carries out structure improvement, adds discharging section, does not design spiral shell rib on discharging section, therefore not will produce shear heat, avoid PC
Material leads to the problem of tobacco that turns yellow and occur due to shear heat；The screw diameter of compression section is designed as along feedstock direction simultaneously
Gradually increase so that the PC material of melting can smoothly flow to discharging section, reduce the resistance of feeding, be not likely to produce the delay of PC material
And PC material are easy to be overdone due to excessive compression, the phenomenon that avoiding the occurrence of tobacco and turn yellow, improve the quality of production of PC material.
By the way that the difference of the discharge port of spiro rod section and feed inlet is designed as 3.2cm, can prevent due to discharging section and material
Cylinder gap is too close, cause PC material due to there is excessive compression and be easy it is overdone, so as to cause there is tobacco and raw material jaundice
Situation, and then influence raw material material.
By the way that cooling bath is arranged, the Part portions progress for being located at homogenizing zone to spiro rod section using cooling bath conveying cold water is cold
But, PC is caused to expect the bad problem to turn yellow due to overheat after expecting compressed melting to avoid PC.
By being provided with secondary spiral shell rib on compression section, compression section is divided into two parts by secondary spiral shell rib, i.e., secondary spiral shell rib will compress
Screw pitch in section is divided into two parts, improves stirring frequency so that PC material receive more tangential forces, so that PC material will not
There is a phenomenon where coke material and putty, ensure that the discharging of PC material is more uniformly distributed.
By being coated with zirconia ceramics coating on the surface of spiro rod section, zirconia ceramics coating hardness is high, energy high temperature resistant,
And its heat insulation is high, can not only effectively improve the high temperature resistance and hardness of spiro rod section, additionally it is possible to improve spiro rod section
Service life.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of screw in injection molding machine suitable for PC material, which is characterized in that including machine barrel and the screw body being installed in machine barrel；
The screw body includes construction section and spiro rod section；The construction section is arranged on external actuating unit to drive screw rod sheet
Body rotates；The spiro rod section includes feeding section, compression section, homogenizing zone and the discharging section set gradually along feedstock direction；The peace
Dress section is connected with feeding section；The screw diameter of the compression section gradually increases along feedstock direction；The screw diameter of the feeding section
It is equal with the screw diameter at compression section beginning；The screw rod of the screw diameter and compression section end of the homogenizing zone and the discharging section
Diameter is equal；The outer surface of the feeding section, compression section and homogenizing zone is equipped with spiral shell rib.
2. the screw in injection molding machine according to claim 1 suitable for PC material, which is characterized in that the half of the spiro rod section both ends
Diameter difference is 3.2cm.
3. the screw in injection molding machine according to claim 1 suitable for PC material, which is characterized in that the machine barrel corresponds to homogenizing zone
Outer surface on be provided with multiple cooling baths along feedstock direction, the cooling bath is spirally distributed around machine barrel outer surface.
4. the screw in injection molding machine according to claim 1 suitable for PC material, which is characterized in that be provided on the compression section
Compression section is divided into two parts by secondary spiral shell rib, the pair spiral shell rib.
5. the screw in injection molding machine according to claim 1 suitable for PC material, which is characterized in that the surface of the spiro rod section applies
It is covered with zirconia ceramics coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353079.XU CN207954551U (en) | 2018-03-15 | 2018-03-15 | A kind of screw in injection molding machine suitable for PC material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353079.XU CN207954551U (en) | 2018-03-15 | 2018-03-15 | A kind of screw in injection molding machine suitable for PC material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207954551U true CN207954551U (en) | 2018-10-12 |
Family
ID=63743517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820353079.XU Active CN207954551U (en) | 2018-03-15 | 2018-03-15 | A kind of screw in injection molding machine suitable for PC material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207954551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666874A (en) * | 2018-12-28 | 2019-04-23 | 广州阿旺斯复合材料技术有限公司 | A kind of high-strength screw rod |
| TWI692395B (en) * | 2019-05-08 | 2020-05-01 | 全立發機械廠股份有限公司 | Injection screw improving the uniformity of the injected material for filament |
-
2018
- 2018-03-15 CN CN201820353079.XU patent/CN207954551U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666874A (en) * | 2018-12-28 | 2019-04-23 | 广州阿旺斯复合材料技术有限公司 | A kind of high-strength screw rod |
| CN109666874B (en) * | 2018-12-28 | 2020-06-09 | 广州阿旺斯复合材料技术有限公司 | High-strength screw |
| TWI692395B (en) * | 2019-05-08 | 2020-05-01 | 全立發機械廠股份有限公司 | Injection screw improving the uniformity of the injected material for filament |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190510 Address after: 535000 Zhongma International Science and Technology Park, No. 5 Zhongma Avenue, Qinzhou Zhongma Industrial Park, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Pujing Optics Co., Ltd. Address before: 350000 Taiwan Pioneer Park, No. 2 Jinjingwan Road, Beigao Town, Pingtan County, Fuzhou City, Fujian Province Patentee before: Fujian Shu Shihao Phenix Optical Company Limited |
|
| TR01 | Transfer of patent right |