CN112848166A - Improve screw rod for injection molding of extra-white panel of yield - Google Patents
Improve screw rod for injection molding of extra-white panel of yield Download PDFInfo
- Publication number
- CN112848166A CN112848166A CN202110278755.8A CN202110278755A CN112848166A CN 112848166 A CN112848166 A CN 112848166A CN 202110278755 A CN202110278755 A CN 202110278755A CN 112848166 A CN112848166 A CN 112848166A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- sleeve
- sleeved
- screw
- injection molding
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/7611—Velocity
- B29C2945/7612—Velocity rotational movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/7618—Injection unit
- B29C2945/76187—Injection unit screw
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention aims to solve the problem of low yield of injection molding of extra-white panels, and discloses a screw for injection molding of extra-white panels, which improves the yield. According to the invention, the rotating speeds of the first screw and the second screw are controlled by the second motor and the third motor, and the extrusion force during injection molding is controlled by controlling the density degree of the first threads and the second threads, so that the yield is improved.
Description
Technical Field
The invention relates to the field of screws, in particular to a screw for injection molding of an extra-white panel, which can improve the yield.
Background
The screw rod which is developed and applied to PP + glass fiber reinforcement and additive blending aims at the poor surface performance phenomena of product toughness, rough and smooth surface, spots, black lines, yellowing and the like during injection molding of high-grade large-scale pure white household appliance panels, and particularly the pure white panels have unstable quality and seriously affect the product quality and yield. The project group analyzes the process characteristics of the PP + glass fiber in the plasticizing process through research, and combs, analyzes and summarizes the existing problems. Meanwhile, aiming at the problems that the glass fiber has high hardness, and the auxiliary agent generates gas with high corrosivity after high-temperature volatilization to greatly abrade and corrode a screw of an injection molding machine, a corresponding implementation method is made through structural design such as gradual change, separation, end enclosure and the like and solutions such as material selection, heat treatment, surface treatment and the like, and scheme verification, sample trial production and test are carried out.
When moulding plastics to the extra white panel, appear more newspaper waste product easily, when the extrusion is moulded plastics, be difficult for controlling the extrusion force, and can not continuously stir the material when not needing the ejection of compact, just so solidify easily, and all mould plastics to single screw rod, can not utilize the cooperation of two screw rods to extrude when moulding plastics and mould plastics, influence the homogeneity of moulding plastics, impurity such as easy gassing, influence product quality, influence the yield, consequently, the need design one kind improves the extra white panel of yield and moulds plastics with the screw rod and solve the injection moulding problem to the extra white panel.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a screw rod for injection molding of an extra-white panel, which improves the yield.
The invention is realized by the following technical scheme:
a screw rod for injection molding of extra-white panels for improving yield comprises a sleeve, wherein a second end cover and a first end cover are respectively arranged at the left end and the right end of the sleeve, a second supporting frame and a first supporting frame are respectively and fixedly arranged at the right side of the surface of the sleeve, a first rotating shaft is connected between the first supporting frame and the second supporting frame, a first rotating drum is sleeved on the surface of the first rotating shaft, a first motor is arranged at the left end of the first rotating shaft, a material storage bag is wound on the first rotating drum, a material through groove corresponding to the material storage bag is formed in the side wall of the sleeve, a second screw rod and a first screw rod are respectively sleeved on the left side and the right side inside the sleeve, first threads are uniformly sleeved on the surface of the first screw rod, a rotating rod is sleeved inside the first screw rod, second threads are uniformly sleeved on the surface of the second screw rod, a rotating drum is fixedly connected with the left end of the, the inside cover of rotary drum and second screw rod has the third pivot, the fixed cover in third pivot surface left side is equipped with the third sprocket, sleeve upper surface left side fixed mounting has first frame, first frame upper end fixed mounting has the second motor, the fourth pivot is equipped with in second motor left side, the fixed cover in fourth pivot surface left side is equipped with the second sprocket, be connected with the second chain between second sprocket and the fourth sprocket, second motor upside fixed mounting has the second frame, second frame top fixed mounting has the third motor, the second pivot is equipped with in third motor left side, the fixed cover in second pivot surface is equipped with first sprocket, be connected with first chain between first sprocket and the third sprocket, open in sleeve surface left side has the feed inlet, open in sleeve surface right side has the discharge gate.
Preferably, the first thread has a greater density than the second thread.
Preferably, the storage bag is made of rubber materials and is of a hollow structure, the storage bag is communicated with the material passing groove, and the storage bag is made of perfluoroether materials.
Preferably, the first screw rod is hinged to the second screw rod, the second screw rod is sleeved on the third rotating shaft, and the third rotating shaft is fixedly connected with the rotating rod.
Preferably, a bearing is arranged between the rotating drum and the cover ring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the first threads and the second threads, two groups of threads with different densities are matched to control extrusion force, materials are conveyed at a higher speed, and then the speed is reduced to enhance extrusion, so that bubbles can be prevented during discharging, the materials are compacted, and the yield is further improved;
2. the rotating speeds of the first screw and the second screw can be respectively controlled through the control of the second motor and the third motor, so that the extrusion force during injection molding is further controlled;
3. through the arrangement of the material storage bag, materials at the discharge port can be accumulated, continuous stirring is performed when the materials do not need to be discharged, the materials are prevented from being condensed, the stability of discharging is improved, and the waste of the materials is reduced;
4. through the arrangement of the cover ring, a certain supporting force is provided, so that the first screw rod and the second screw rod can stably rotate;
5. according to the invention, the rotating speeds of the first screw and the second screw are controlled by the second motor and the third motor, and the extrusion force during injection molding is controlled by controlling the density degree of the first threads and the second threads, so that the yield is improved.
Drawings
FIG. 1 is a schematic structural diagram of a screw for injection molding of extra white panels according to the present invention.
FIG. 2 is a schematic view of the external profile of a screw for injection molding of extra white panels according to the present invention.
Description of reference numerals: 1. the feeding mechanism comprises a first thread, 2, a first screw rod, 3, a rotating rod, 4, a first end cover, 5, a sleeve, 6, a first support frame, 7, a first rotating shaft, 8, a first rotating cylinder, 9, a feeding groove, 10, a material storage bag, 11, a second support frame, 12, a first motor, 13, a second screw rod, 14, a second thread, 15, a first rack, 16, a second motor, 17, a second rack, 18, a third motor, 19, a second rotating shaft, 20, a first chain wheel, 21, a first chain, 22, a second chain wheel, 23, a second chain wheel, 24, a third rotating shaft, 25, a third chain wheel, 26, a rotating cylinder, 27, a fourth chain wheel, 28, a second end cover, 29, a connecting frame, 30, a cover ring, 31, a feeding hole, 32, a discharging hole, 33 and a fourth rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
a screw rod for injection molding of extra-white panels for improving yield comprises a sleeve 5, wherein a second end cover 28 and a first end cover 4 are respectively arranged at the left end and the right end of the sleeve 5, a second supporting frame 11 and a first supporting frame 6 are respectively fixedly arranged at the right side of the surface of the sleeve 5, a first rotating shaft 7 is connected between the first supporting frame 6 and the second supporting frame 11, a first rotating cylinder 8 is sleeved on the surface of the first rotating shaft 7, a first motor 12 is arranged at the left end of the first rotating shaft 7, a material storage bag 10 is wound on the first rotating cylinder 8, a material passing groove 9 corresponding to the material storage bag 10 is formed in the side wall of the sleeve 5, a second screw rod 13 and a first screw rod 2 are respectively sleeved on the left side and the right side inside the sleeve 5, first threads 1 are uniformly sleeved on the surface of the first screw rod 2, a rotating rod 3 is sleeved inside the first screw rod 2, second threads 14 are uniformly sleeved on, a cover ring 30 is sleeved outside the rotary drum 26, a connecting frame 29 is fixedly connected between the cover ring 30 and the sleeve 5, a fourth chain wheel 27 is fixedly sleeved on the surface of the rotary drum 26, a third rotating shaft 24 is sleeved inside the rotary drum 26 and the second screw 13, a third chain wheel 25 is fixedly sleeved on the left side of the surface of the third rotating shaft 24, a first frame 15 is fixedly installed on the left side of the upper surface of the sleeve 5, a second motor 16 is fixedly installed at the upper end of the first frame 15, a fourth rotating shaft 33 is installed on the left side of the second motor 16, a second chain wheel 22 is sleeved on the left side of the surface of the fourth rotating shaft 33, a second chain 23 is connected between the second chain wheel 22 and the fourth chain wheel 27, a second frame 17 is fixedly installed on the upper side of the second motor 16, a third motor 18 is fixedly installed at the top end of the second frame 17, a second rotating shaft 19 is installed on the left side of the third motor 18, a first chain wheel 20, the left side of the surface of the sleeve 5 is provided with a feeding hole 31, and the right side of the surface of the sleeve 5 is provided with a discharging hole 32.
The density of the first thread 1 is greater than the second thread 14.
The storage bag 10 is made of rubber materials and is of a hollow structure, the storage bag 10 is communicated with the material passing groove 9, and the storage bag 10 is made of perfluoroether materials.
The first screw rod 2 is hinged to the second screw rod 13, the second screw rod 13 is sleeved on the third rotating shaft 24, and the third rotating shaft 24 is fixedly connected with the rotating rod 3.
Bearings are mounted between the drum 26 and the shroud 30.
The method comprises the following operation steps: when the extra-white panel needs to be subjected to injection molding processing, firstly, materials are loaded into the sleeve through the feed inlet 31, the feed inlet 31 is blocked, switches of the second motor 16 and the third motor 18 are opened, the rotating speeds of the second motor 16 and the third motor 18 are controlled, the second motor 16 drives the fourth rotating shaft 33 to rotate, the second screw 13 is driven to rotate through the connection of the second chain 23, the materials are quickly transmitted through the second thread 14, meanwhile, the third motor 18 drives the second rotating shaft 19 to rotate, the third rotating shaft 24 is driven to rotate through the connection of the first chain 21, further, the rotating rod 3 is driven to rotate, the first screw 2 is driven to slowly rotate, then, as the first thread 1 is also dense, the materials can be stably extruded, impurities such as bubbles are prevented from being generated in the extruding process, the discharge outlet 32 is opened for discharging, if the discharging is not needed in a short time, just through the control of first motor 12, loosen storage bag 10, fill the material in storage bag 10, make first screw thread 1 continuously stir simultaneously, open discharge gate 32 when needing the ejection of compact to can steadily extrude the material.
The present embodiment is only for explaining the present invention, and not for limiting the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as needed after reading the present specification, but all of which are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an improve screw rod for injection molding of extra-white panel of yield, includes sleeve (5), its characterized in that: the left end and the right end of the sleeve (5) are respectively provided with a second end cover (28) and a first end cover (4), the right side of the surface of the sleeve (5) is respectively and fixedly provided with a second support frame (11) and a first support frame (6), a first rotating shaft (7) is connected between the first support frame (6) and the second support frame (11), the surface of the first rotating shaft (7) is sleeved with a first rotating drum (8), the left end of the first rotating shaft (7) is provided with a first motor (12), the first rotating drum (8) is wound with a material storage bag (10), the side wall of the sleeve (5) is provided with a material passing trough (9) corresponding to the material storage bag (10), the left side and the right side of the inside of the sleeve (5) are respectively sleeved with a second screw rod (13) and a first screw rod (2), the surface of the first screw rod (2) is uniformly sleeved with a first thread (1), the inside of the first screw rod (2) is sleeved with a, a rotary drum (26) is fixedly connected to the left end of the second screw (13), a cover ring (30) is sleeved outside the rotary drum (26), a connecting frame (29) is fixedly connected between the cover ring (30) and the sleeve (5), a fourth chain wheel (27) is fixedly sleeved on the surface of the rotary drum (26), a third rotary shaft (24) is sleeved inside the rotary drum (26) and the second screw (13), a third chain wheel (25) is fixedly sleeved on the left side of the surface of the third rotary shaft (24), a first rack (15) is fixedly installed on the left side of the upper surface of the sleeve (5), a second motor (16) is fixedly installed at the upper end of the first rack (15), a fourth rotary shaft (33) is installed on the left side of the second motor (16), a second chain wheel (22) is sleeved on the left side of the surface of the fourth rotary shaft (33), a second chain (23) is connected between the second chain wheel (22) and the fourth chain wheel (27), second frame (17) top fixed mounting has third motor (18), and second pivot (19) are equipped with in third motor (18) left side, and fixed cover in second pivot (19) surface is equipped with first sprocket (20), is connected with first chain (21) between first sprocket (20) and third sprocket (25), and open sleeve (5) surface left side has feed inlet (31), and open sleeve (5) surface right side has discharge gate (32).
2. A screw for injection molding of extra white panels with improved yield according to claim 1, wherein: the first thread (1) has a greater density than the second thread (14).
3. A screw for injection molding of extra white panels with improved yield according to claim 1, wherein: the storage bag (10) is made of rubber materials and is of a hollow structure, the storage bag (10) is communicated with the material passing groove (9), and the storage bag (10) is made of perfluoroether materials.
4. A screw for injection molding of extra white panels with improved yield according to claim 1, wherein: first screw rod (2) and second screw rod (13) are articulated between be connected, and second screw rod (13) cover is in third pivot (24), third pivot (24) and rotary rod (3) fixed connection.
5. A screw for injection molding of extra white panels with improved yield according to claim 1, wherein: and a bearing is arranged between the rotary drum (26) and the cover ring (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110278755.8A CN112848166B (en) | 2021-03-16 | 2021-03-16 | Improve screw rod for injection molding of extra-white panel of yield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110278755.8A CN112848166B (en) | 2021-03-16 | 2021-03-16 | Improve screw rod for injection molding of extra-white panel of yield |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112848166A true CN112848166A (en) | 2021-05-28 |
| CN112848166B CN112848166B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110278755.8A Active CN112848166B (en) | 2021-03-16 | 2021-03-16 | Improve screw rod for injection molding of extra-white panel of yield |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204585755U (en) * | 2015-05-07 | 2015-08-26 | 浙江海洋学院 | A kind of supercritical fluid mixing fretting map screw rod |
| CN205853162U (en) * | 2016-08-17 | 2017-01-04 | 杭州富伦生态科技有限公司 | A kind of recovery screw for pelletizer |
| CN208558214U (en) * | 2018-08-02 | 2019-03-01 | 东莞市欧索耐新型材料有限公司 | A kind of multisection type kneading screw |
| CN208645948U (en) * | 2018-07-17 | 2019-03-26 | 惠州市中其星科技有限公司 | A kind of screw in injection molding machine |
| CN209176118U (en) * | 2018-11-06 | 2019-07-30 | 深圳市金源祥动漫文化有限公司 | A kind of injection molding screw structure of injection molding |
| CN211941604U (en) * | 2020-04-07 | 2020-11-17 | 丹阳新华美塑料有限公司 | Plastic modified material goes out grain and uses sieve separator |
-
2021
- 2021-03-16 CN CN202110278755.8A patent/CN112848166B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204585755U (en) * | 2015-05-07 | 2015-08-26 | 浙江海洋学院 | A kind of supercritical fluid mixing fretting map screw rod |
| CN205853162U (en) * | 2016-08-17 | 2017-01-04 | 杭州富伦生态科技有限公司 | A kind of recovery screw for pelletizer |
| CN208645948U (en) * | 2018-07-17 | 2019-03-26 | 惠州市中其星科技有限公司 | A kind of screw in injection molding machine |
| CN208558214U (en) * | 2018-08-02 | 2019-03-01 | 东莞市欧索耐新型材料有限公司 | A kind of multisection type kneading screw |
| CN209176118U (en) * | 2018-11-06 | 2019-07-30 | 深圳市金源祥动漫文化有限公司 | A kind of injection molding screw structure of injection molding |
| CN211941604U (en) * | 2020-04-07 | 2020-11-17 | 丹阳新华美塑料有限公司 | Plastic modified material goes out grain and uses sieve separator |
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| Publication number | Publication date |
|---|---|
| CN112848166B (en) | 2022-08-09 |
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Denomination of invention: A Screw for Injection Molding of Extra White Panel to Improve Yield Effective date of registration: 20230613 Granted publication date: 20220809 Pledgee: Postal Savings Bank of China Limited Zhoushan branch Pledgor: Zhoushan Tongda Plastic Machinery Co.,Ltd. Registration number: Y2023330001196 |