CN205439147U - A screw head structure for plastify - Google Patents
A screw head structure for plastify Download PDFInfo
- Publication number
- CN205439147U CN205439147U CN201521092121.XU CN201521092121U CN205439147U CN 205439147 U CN205439147 U CN 205439147U CN 201521092121 U CN201521092121 U CN 201521092121U CN 205439147 U CN205439147 U CN 205439147U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- ring seat
- ring
- rod head
- check ring
- 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.)
- Expired - Fee Related
Links
Abstract
The application discloses a screw head structure for plastify, including ring seat, non -return valve and screw head main part, in the screw head main part stretches into non -return valve, and the one end that the screw head main part stretched into in the non -return valve is equipped with down the inclined plane, is equipped with the circular bead in the non -return valve, be equipped with on this circular bead can with sealed of cant tie fall, inlay on the ring seat and be equipped with first magnetic part, the last second magnetic part that excludes mutually with first magnetic part that is equipped with of non -return valve, being equipped with first through -hole on the circular bead, being equipped with the second through -hole on the ring seat, when non -return valve offseted with the ring seat, the ring seat can cooperate sealed first through -hole, and this screw head structure can prevent effectively that the melt from time letting out, and the assurance injection molding machine normally work.
Description
Technical field
This utility model relates to a kind of device making moulding material plasticizing or the device of homogenization or forcing material entrance model, is specifically related to a kind of screw rod head structure for plasticizing.
Background technology
Injection (mo(u)lding) machine is the one of plastics machinery, is called for short injector or injection machine, is that thermoplastic or thermosetting plastics utilize mould for plastics make the main former of variously-shaped plastic.Injection moulding is realized by injection machine and mould.The operation principle of injection (mo(u)lding) machine is similar to the syringe having an injection, and it is made by the thrust of screw rod (or plunger), enters in the die cavity closed by the plastic injection of the molten condition (i.e. viscous state) plastified, obtains the technical process of goods after cured sizing.Injection moulding is the process of a circulation, and each cycle specifically includes that mould pickup is opened in the pressure injection filling mould cooling of quantifying feed fusion plastification.Take out after plastic mold closing the most again, carry out next circulation.
Plasticized component is the pith of injection (mo(u)lding) machine, generally include screw rod, machine barrel and nozzle etc., material is in the continuous progradation rotating screw rod, there is the change of physical state, finally the material in molten condition is injected into die cavity, therefore, Plasticized component has been homogenous plasticized, the core component of calibrated shot.
For the material that viscosity is relatively low, during Screw Extrusion, the extruding force suffered by material is bigger, in fact it could happen that melt returns the phenomenon let out, and thus can have a strong impact on injection (mo(u)lding) machine and normally use.
Utility model content
The purpose of this utility model is to provide a kind of screw rod head structure for plasticizing, and this screw rod head structure can effectively prevent from melt from returning letting out, it is ensured that injection (mo(u)lding) machine normally works.
For reaching above-mentioned purpose, base case of the present utility model is as follows:
Screw rod head structure for plasticizing, including ring seat, check ring and screw rod head main body, described screw rod head main body stretches in check ring, and one end that screw rod head main body stretches in check ring is provided with contra bevel, shoulder it is provided with in check ring, this shoulder is provided with the sealing surface that can coordinate with contra bevel, the first magnetic part it is embedded with in described ring seat, check ring is provided with the second magnetic part repelled mutually with the first magnetic part, described shoulder is provided with the first through hole, ring seat is provided with the second through hole, when check ring and ring seat offset, and ring seat energy fitted seal the first through hole.
The principle of this programme and advantage: time specifically used, the screw rod head structure of this programme is positioned at machine barrel, when screw rod head main body rotating plasticization, carry, from the helicla flute of screw rod head main body, the melt come and there is higher pressure, the first magnetic part owing to being embedded in ring seat repels mutually with the second magnetic part on check ring, form space between the two, the state that first through hole of check ring is on, the melt the first through hole on shoulder, subsequently by the second through hole in ring seat, melt continues to send toward storage compartment；During injection, screw rod head main body is to check ring one side shifting, and extrude check ring, until check ring offsets with ring seat, offseting both once, the first through hole on the first through hole check ring is just closed by ring seat, and now the passage of the adverse current of the melt in machine barrel is truncated, thus effectively prevent melt from returning and let out, it is ensured that injection (mo(u)lding) machine normally works.
Prioritization scheme 1, the further optimization to base case, described sealing surface is provided with sealing ring.When the contra bevel of sealing surface Yu screw rod head main body offsets, good sealing effect.
Prioritization scheme 2, the further optimization to base case, described first magnetic part is electric magnet, and the second magnetic part is permanent magnet.The magnetic size of electric magnet is adjustable, thus regulates the repulsive force between ring seat and check ring；And permanent magnet is difficult to demagnetization, use the time long.
Prioritization scheme 3, to base case, the further optimization of any one of prioritization scheme 1,2, is additionally provided with elastic component between described check ring and ring seat.Make to be formed between check ring and ring seat gap by elastic component and magnetic force, it is simple to melt is sent.
Prioritization scheme 4, the further optimization to prioritization scheme 3, described ring seat is provided with cushion pad near the side of check ring.When screw rod head main body extruding check ring, check ring offsets with ring seat, and cushion pad can reduce power between the two, prevents check ring or ring seat deformation.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation for the screw rod head constructive embodiment of plasticizing.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Reference in Figure of description includes: ring seat the 10, second through hole 11, check ring 20, sealing surface the 21, first through hole 22, screw rod head main body 30, contra bevel the 31, first magnetic part the 40, second magnetic part 50, elastic component 60, machine barrel 70.
Embodiment is the most as shown in Figure 1: a kind of screw rod head structure for plasticizing, including ring seat 10, check ring 20 and screw rod head main body 30, screw rod head main body 30 stretches in check ring 20, and screw rod head main body 30 stretches into the one end in check ring 20 and is provided with contra bevel 31, it is provided with shoulder in check ring 20, this shoulder is provided with the sealing surface 21 that can coordinate with contra bevel 31, the first magnetic part 40 it is embedded with in ring seat 10, the second magnetic part 50 repelled with the first magnetic part 40 phase it is embedded with on check ring 20, the first through hole 22 is offered on shoulder, the second through hole 11 is offered in ring seat 10, when check ring 20 and ring seat 10 offset, ring seat 10 can fitted seal the first through hole 22.
In the present embodiment, sealing surface 21 is provided with sealing ring.When the contra bevel 31 of sealing surface 21 with screw rod head main body 30 offsets, good sealing effect.
In the present embodiment, the first magnetic part 40 is electric magnet, and the second magnetic part 50 is permanent magnet.The magnetic power of electric magnet is adjustable, thus regulates the repulsive force between ring seat 10 and check ring 20；And permanent magnet is difficult to demagnetization, use the time long.
In the present embodiment, being additionally provided with elastic component 60 between check ring 20 and ring seat 10, the elastic component 60 of the present embodiment is stage clip.Make to be formed between check ring 20 and ring seat 10 gap by stage clip and magnetic force, it is simple to melt is sent.
In the present embodiment, ring seat 10 is provided with cushion pad near the side of check ring 20, and the cushion pad of the present embodiment uses rubber blanket.When screw rod head main body 30 extrudes check ring 20, check ring 20 offsets with ring seat 10, and rubber blanket can reduce power between the two, prevents check ring 20 or ring seat 10 from deforming.
Specific works flow process:
As shown in Figure 1, time specifically used, the screw rod head structure of this programme is positioned at machine barrel 70, when screw rod head main body 30 rotating plasticization, carry, from the helicla flute of screw rod head main body 30, the melt come and there is higher pressure, the first magnetic part 40 owing to being embedded in ring seat 10 repels with the second magnetic part 50 phase on check ring 20, form space between the two, the state that first through hole 22 of check ring 20 is on, the melt the first through hole 22 on shoulder, subsequently by the second through hole 11 in ring seat 10, melt continues to send toward storage compartment；During injection, screw rod head main body 30 is to check ring 20 1 side shifting, and extrude check ring 20, until check ring 20 offsets with ring seat 10, offseting both once, the first through hole 22 on the first through hole 22 check ring 20 is just closed by ring seat 10, and now the passage of the adverse current of the melt in machine barrel 70 is truncated, thus effectively prevent melt from returning and let out, it is ensured that injection (mo(u)lding) machine normally works.
Above-described is only embodiment of the present utility model, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from this utility model structure, it is also possible to make some deformation and improvement; these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (5)
1. for the screw rod head structure of plasticizing, it is characterized in that, including ring seat, check ring and screw rod head main body, described screw rod head main body stretches in check ring, and one end that screw rod head main body stretches in check ring is provided with contra bevel, shoulder it is provided with in check ring, this shoulder is provided with the sealing surface that can coordinate with contra bevel, the first magnetic part it is embedded with in described ring seat, check ring is provided with the second magnetic part repelled mutually with the first magnetic part, and described shoulder is provided with the first through hole, and ring seat is provided with the second through hole, when check ring and ring seat offset, ring seat energy fitted seal the first through hole.
Screw rod head structure for plasticizing the most according to claim 1, it is characterised in that described sealing surface is provided with sealing ring.
Screw rod head structure for plasticizing the most according to claim 1, it is characterised in that described first magnetic part is electric magnet, and the second magnetic part is permanent magnet.
4. according to the screw rod head structure for plasticizing described in any one of claim 1-3, it is characterised in that be additionally provided with elastic component between described check ring and ring seat.
Screw rod head structure for plasticizing the most according to claim 4, it is characterised in that described ring seat is provided with cushion pad near the side of check ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092121.XU CN205439147U (en) | 2015-12-25 | 2015-12-25 | A screw head structure for plastify |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521092121.XU CN205439147U (en) | 2015-12-25 | 2015-12-25 | A screw head structure for plastify |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205439147U true CN205439147U (en) | 2016-08-10 |
Family
ID=56586780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521092121.XU Expired - Fee Related CN205439147U (en) | 2015-12-25 | 2015-12-25 | A screw head structure for plastify |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205439147U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500647A (en) * | 2015-12-25 | 2016-04-20 | 重庆瑞霆塑胶有限公司 | Screw head structure for plasticization |
| CN110421788A (en) * | 2019-08-26 | 2019-11-08 | 李昌满 | A kind of dedicated sebific duct of injection molding machine |
| CN112536995A (en) * | 2020-11-19 | 2021-03-23 | 杨慧 | Mould advances mucilage binding and puts for work piece production |
-
2015
- 2015-12-25 CN CN201521092121.XU patent/CN205439147U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500647A (en) * | 2015-12-25 | 2016-04-20 | 重庆瑞霆塑胶有限公司 | Screw head structure for plasticization |
| CN110421788A (en) * | 2019-08-26 | 2019-11-08 | 李昌满 | A kind of dedicated sebific duct of injection molding machine |
| CN110421788B (en) * | 2019-08-26 | 2021-06-11 | 杨利人 | Special rubber tube for injection molding machine |
| CN112536995A (en) * | 2020-11-19 | 2021-03-23 | 杨慧 | Mould advances mucilage binding and puts for work piece production |
| CN112536995B (en) * | 2020-11-19 | 2022-09-06 | 佛山市南海区百兴玩具有限公司 | Mould advances mucilage binding and puts for work piece production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20161225 |