CN202283775U - Special threaded rod check valve for polyamide of injection molding machine - Google Patents
Special threaded rod check valve for polyamide of injection molding machine Download PDFInfo
- Publication number
- CN202283775U CN202283775U CN2011203586045U CN201120358604U CN202283775U CN 202283775 U CN202283775 U CN 202283775U CN 2011203586045 U CN2011203586045 U CN 2011203586045U CN 201120358604 U CN201120358604 U CN 201120358604U CN 202283775 U CN202283775 U CN 202283775U
- Authority
- CN
- China
- Prior art keywords
- check
- return
- check valve
- threaded rod
- valve body
- 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
Images
Abstract
The utility model discloses a special threaded rod check valve for polyamide of an injection molding machine. The special threaded rod check valve comprises a check valve body, a gluing head, a check ring and a check gasket, wherein the check valve body is in transmission connection with a threaded rod, and the gluing head is fixedly arranged at the front end of the check valve body; the check ring is arranged between the check valve body and the gluing head; and the check gasket is arranged between the check ring and the gluing head. A spring is connected between the check ring and the gluing head, and a slotted hole is arranged between the check ring and the check gasket. As the technical scheme is adopted, compared with the prior art, the special threaded rod check valve has the advantages that a check valve assembly is optimized, the spring design is added, the check ring can quickly close the check valve after fusing glue is finished, injection stability is ensured, and back flow of glue stocks is prevented.
Description
Technical field
The utility model relates to the backstop on the injection machine, specifically, relates to a kind of injection machine PA material bolt special check (non-return) valve.
Background technology
During injection machine was produced, the rubber melting cylinder check (non-return) valve generally adopted the sleeve type check (non-return) valve.Rubber melting cylinder is the screw rod rotation when melten gel, and sizing material accumulates in melten gel head front end, drives sliding sleeve forward, stops at the end stop of screw rod, and the sizing material of fusing flows through the glue head by the fluting of crossing the glue head.During the screw rod injecting glue, sliding sleeve forms a sealing ring backward, and valve body is closed, and sizing material can not produce backflow.This valve is in that to be used for the higher material timeliness of viscosity fruit fine, and the PA material is a kind of high crystalline plastics, and its viscosity is less; Good fluidity if adopt conventional check (non-return) valve again, can cause the sizing material injection unstable; The product size deviation is excessive, even the discontented glue phenomenon of product notes can occur.
Summary of the invention
The technical problem that the utility model will solve is to overcome above-mentioned defective, and the steady and leak free injection machine PA material of a kind of assurance injection bolt special check (non-return) valve is provided.
For addressing the above problem, the technical scheme that the utility model adopted is:
A kind of injection machine PA material bolt special check (non-return) valve is characterized in that: comprise the non-return valve body that is connected with screw drive, be fixed on non-return valve body front end cross the glue head, be arranged on non-return valve body with between the glue head non-return circle and be arranged on non-return circle and mistake glue head between non-return packing ring; Be connected with spring between said non-return circle and the mistake glue head, be provided with slotted eye between non-return circle and the non-return packing ring.
Owing to adopted technique scheme, compared with prior art, the utility model is optimized the check (non-return) valve assembly and establishes, and has increased the spring design, makes non-return circle after melten gel finishes, can close check (non-return) valve rapidly, has guaranteed the steady of injection, prevents the backflow of sizing material.
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further.
Description of drawings
Fig. 1 is the cross section view of a kind of embodiment of the utility model;
The cross section view of check (non-return) valve when Fig. 2 is the utility model embodiment injecting glue.
Among the figure: 1-crosses the glue head; The 2-spring; The non-return packing ring of 3-; The 4-slotted eye; The non-return circle of 5-; The non-return valve body of 6-.
The specific embodiment
Embodiment:
A kind of injection machine PA material bolt special check (non-return) valve; As shown in Figure 1, comprise the non-return valve body 6 that is connected with screw drive, be fixed on non-return valve body 6 front ends cross glue head 1, be arranged on non-return valve body 6 with cross the non-return circle 5 between the glue head 1 and be arranged on non-return circle 5 and mistake glue head 1 between non-return packing ring 3; Be connected with spring 2 between said non-return circle 5 and the mistake glue head 1, be provided with slotted eye 4 between non-return circle and the non-return packing ring.
During the screw rod melten gel, through the rotation of screw rod, sizing material gets into from the gap of non-return valve body 6 with rubber melting cylinder, promotes non-return circle 5 reaches, and check (non-return) valve is opened, and sizing material is smoothly through slotted eye 4.
As shown in Figure 2, behind the completion melten gel, non-return circle 5 moves forward under the effect of spring 2, closes check (non-return) valve.Screw rod moves forward injecting glue when beginning, and because of check (non-return) valve cuts out in advance, can not produce the backflow of sizing material, reduces the dimensional discrepancy of product, improves yield rate.
In the present embodiment, in order to guarantee the sealing between non-return circle and the non-return packing ring, the contact-making surface of non-return circle and non-return packing ring is designed to plane or taper seat.
Claims (1)
1. injection machine PA material bolt special check (non-return) valve is characterized in that: comprise the non-return valve body (6) that is connected with screw drive, be fixed on non-return valve body (6) front end cross glue head (1), be arranged on non-return valve body (6) with between the glue head (1) non-return circle (5) and be arranged on non-return circle (5) and mistake glue head (1) between non-return packing ring (3); Be connected with spring (2) between said non-return circle (5) and the mistake glue head (1), be provided with slotted eye (4) between non-return circle (5) and the non-return packing ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203586045U CN202283775U (en) | 2011-09-23 | 2011-09-23 | Special threaded rod check valve for polyamide of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203586045U CN202283775U (en) | 2011-09-23 | 2011-09-23 | Special threaded rod check valve for polyamide of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202283775U true CN202283775U (en) | 2012-06-27 |
Family
ID=46295309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203586045U Expired - Fee Related CN202283775U (en) | 2011-09-23 | 2011-09-23 | Special threaded rod check valve for polyamide of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202283775U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972631A (en) * | 2015-06-01 | 2015-10-14 | 苏州乔布注塑工业有限公司 | Novel check valve |
| CN105500647A (en) * | 2015-12-25 | 2016-04-20 | 重庆瑞霆塑胶有限公司 | Screw head structure for plasticization |
| CN110667060A (en) * | 2019-09-30 | 2020-01-10 | 浙江太湖远大新材料股份有限公司 | Assembled screw rod |
-
2011
- 2011-09-23 CN CN2011203586045U patent/CN202283775U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972631A (en) * | 2015-06-01 | 2015-10-14 | 苏州乔布注塑工业有限公司 | Novel check valve |
| CN105500647A (en) * | 2015-12-25 | 2016-04-20 | 重庆瑞霆塑胶有限公司 | Screw head structure for plasticization |
| CN110667060A (en) * | 2019-09-30 | 2020-01-10 | 浙江太湖远大新材料股份有限公司 | Assembled screw rod |
| CN110667060B (en) * | 2019-09-30 | 2021-04-16 | 浙江太湖远大新材料股份有限公司 | Assembled screw rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202283775U (en) | Special threaded rod check valve for polyamide of injection molding machine | |
| CN202283774U (en) | Special threaded rod check valve for polypropylene of injection molding machine | |
| CN202293243U (en) | Special screw check valve for polyethylene (PE) material of injection molding machine | |
| CN101982686A (en) | Nylon check valve and manufacturing method thereof | |
| CN201843435U (en) | Micropore hydraulic damper | |
| CN202293244U (en) | Screw check valve specially used for injection moulding machine ABS (Acrylonitrile-Butadiene-Styrene) material | |
| CN207056936U (en) | A kind of piston modified dispensing syringe | |
| CN202983993U (en) | High-viscosity material gluing device | |
| CN207508961U (en) | Totally enclosed type aeration cleaning mechanism | |
| CN205148774U (en) | Injection molding machine is with nozzle that has automatically regulated injection quantity | |
| CN202628680U (en) | Compensation valve structure | |
| CN208530286U (en) | A kind of novel fuel filler pipe | |
| CN204561780U (en) | Juice extractor and screw rod of squeezing the juice thereof | |
| CN202208122U (en) | Thread adjusting locking mechanism of slider of press | |
| CN207723406U (en) | The Preform Die of fork-shaped forging | |
| CN201427386Y (en) | Cylinder-model integrated type prefill valve | |
| CN204673963U (en) | A kind of Novel injection moulding machine penetrates platform accumulator storing glue sealing structure | |
| CN204532644U (en) | vehicle fuel rail friction welding structure | |
| CN203895152U (en) | Novel high-voltage damping wire structure | |
| CN204602533U (en) | Glue injecting head is set with | |
| CN202113996U (en) | Overflow pressure stabilization device in glue machine | |
| CN205536844U (en) | Connecting screw rod fixed head is adjustable lower margin of refrigerator of first structure of pineapple | |
| CN102009027A (en) | Overflow pressure stabilizer in sealing robot | |
| CN201931810U (en) | Push type chalk sleeve | |
| CN210758979U (en) | Glue injection mechanism applied in mold |
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: 20120627 Termination date: 20200923 |