CN114506016A - Nozzle special for injection molding of plastic product of airplane seat - Google Patents
Nozzle special for injection molding of plastic product of airplane seat Download PDFInfo
- Publication number
- CN114506016A CN114506016A CN202210401484.5A CN202210401484A CN114506016A CN 114506016 A CN114506016 A CN 114506016A CN 202210401484 A CN202210401484 A CN 202210401484A CN 114506016 A CN114506016 A CN 114506016A
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- nozzle
- injection
- injection molding
- fixedly connected
- screw
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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
- B29C45/20—Injection nozzles
- B29C45/24—Cleaning equipment
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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 belongs to the technical field of plastic processing equipment, and discloses a special nozzle for injection molding of a plastic product of an airplane seat. According to the invention, through the arrangement of the mounting sleeve, the fan blades and the auger, in the injection molding process, the auger rotates along with the rotation of the fan blades, so that the inner wall of the injection hole can be scraped repeatedly to clean the inner wall of the injection hole, and the plastic solution can be guided in a single direction, the resistance of plastic solution backflow is increased, the plastic solution backflow is avoided, meanwhile, in the pressure maintaining process, the auger is gradually inserted into the nozzle hole formed in one end of the nozzle main body, the scraping and cleaning of the inner wall of the nozzle hole is realized, the plastic solution residue is avoided, and meanwhile, after the injection molding is finished, the auger can automatically reset under the resilience of the reset spring, the injection hole is scraped for the second time, and the plastic solution residue is further avoided.
Description
Technical Field
The invention belongs to the technical field of plastic processing equipment, and particularly relates to a special nozzle for injection molding of plastic products of airplane seats.
Background
Common aircraft seats are generally made of plastic products, the plastic products need to be processed and molded for many times in the processing and molding process, and the injection molding engineering is very heavy, so that the injection molding quality often has a critical influence on the quality of the aircraft seats, and an injection molding machine is also called an injection molding machine or an injection machine. The main forming equipment for making various shaped plastic products with thermoplastic plastics or thermosetting plastics by using plastic forming mould is divided into vertical, horizontal and full electric type, the injection moulding machine can heat the plastics and apply high pressure to the molten plastics to make them be injected and filled into mould cavity. The during operation need melt solid-state raw materials, then inject the mould through conveying pipe and nozzle in the shaping to carry out the pressurize to the inside solution of mould, guarantee that can not have quality defect after the mould shaping, cause the waste product.
In the current injection molding equipment, the raw material in a molten state still remains in the nozzle after the injection is completed, and particularly, the phenomenon is more serious when the viscosity of the raw material is lower. And the molten plastic staying at the injection hole of the nozzle is easy to block the injection hole, and the post-treatment is troublesome, so that the normal development and production are influenced.
Disclosure of Invention
The invention aims to provide a special injection nozzle for injection molding of plastic products of airplane seats, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a special nozzle that penetrates of aircraft seat plastic products injection moulding, includes the bobbin of moulding plastics, and the inside activity of the bobbin of moulding plastics has cup jointed the screw rod of moulding plastics, and the one end fixedly connected with screw rod point of the screw rod of moulding plastics, and the side activity of the screw rod one end of just moulding plastics has cup jointed the retaining ring, and the one end threaded connection of the bobbin of moulding plastics has and penetrates the mouth main part, the inside of penetrating the mouth main part is provided with the installation sleeve, the through-hole has been seted up at the middle part of installation sleeve, the inside one end activity of keeping away from the screw rod of moulding plastics of through-hole has cup jointed the loose collar, the flabellum that circumference such as inboard fixedly connected with a plurality of groups of loose collar was arranged, the other end fixedly connected with connecting piece of flabellum, the one end fixedly connected with screw feeder of connecting piece.
Preferably, a first sealing cavity is arranged inside the screw tip, a mandril is movably sleeved inside the first sealing cavity, the other end of the first sealing cavity is connected with a connecting pipeline arranged inside the screw tip, the two sides of the first sealing cavity are both provided with second sealing cavities arranged inside the screw tip, the side surface of one end of the second sealed cavity is communicated with the other end of the connecting pipeline, one end of the second sealed cavity is fixedly connected with a supporting spring, one end of the supporting spring is fixedly connected with an extrusion rod movably sleeved with the second sealing cavity, a movable cavity is arranged inside the nozzle main body, the one end fixedly connected with of activity chamber a plurality of groups wait the reset spring of circumference range, reset spring's one end fixedly connected with and the movable chamber activity installation sleeve that cup joints, the row's material pipe has all been seted up to the both sides at shooting mouth main part middle part.
Preferably, one end of the screw is inserted into an injection hole formed in the end part of the nozzle main body, and the outer diameter of the spiral blade of the screw is matched with the inner diameter of the injection hole formed in one end of the nozzle main body.
Preferably, the one end of ejector pin towards the connecting piece is smooth arc surface, the diameter of ejector pin and the diameter looks adaptation of through-hole, and the side at ejector pin both ends all is provided with the sealing ring.
Preferably, the elasticity of reset spring is greater than the maximum pressure when the injection nozzle injects, and the pressure of moulding plastics promptly can't promote the installation sleeve and make reset spring take place deformation, arrange the position of material pipe and the installation sleeve coincidence under the initial condition.
The invention has the following beneficial effects:
1. according to the injection molding device, the sleeve, the fan blades and the auger are arranged, in the injection molding process, the auger rotates along with the rotation of the fan blades, the inner wall of the injection hole can be repeatedly scraped, the inner wall of the injection hole is cleaned, the plastic solution is prevented from being adhered to the injection hole, the plastic solution can be guided in a single direction, the resistance of plastic solution backflow is increased, the plastic solution backflow is avoided, meanwhile, in the pressure maintaining process, the auger is gradually inserted into the nozzle hole formed in one end of the nozzle main body, the scraping and cleaning of the inner wall of the nozzle hole are realized, the plastic solution is prevented from remaining, the nozzle is prevented from being blocked, and meanwhile, after the injection molding is completed, when the injection molding screw rod returns to the original position, the auger automatically resets under the resilience of the reset spring, the injection hole is secondarily scraped, and the plastic solution is prevented from remaining.
2. According to the injection molding device, due to the arrangement of the ejector rod, the mounting sleeve and the discharge pipe, in the injection molding process, the mounting sleeve cannot be moved due to injection pressure, so that the situation that the mounting sleeve moves in the injection molding process, the discharge pipe is communicated with the inside of the injection nozzle main body, abnormal pressure relief and plastic solution leakage in the injection nozzle main body are caused, and adverse effects on the quality of an injection product in the injection molding process are avoided; and when the pressurize, because the screw rod point is when laminating completely with the sleeve of moulding plastics, the ejector pin inserts the inside maximum distance that reaches of through-hole, can make ejector pin rear end and the inside formation of through-hole sealed this moment, the screw rod point forms sealedly with the sleeve of moulding plastics simultaneously, can make the nozzle main part inside only through row's material pipe and external intercommunication with the installation sleeve dislocation this moment, consequently, can be fast convenient will penetrate the inside remaining plastic solution suction of nozzle main part, and can not cause the one end pressure release of moulding plastics, still avoid the inside remaining plastic solution of the screw rod of moulding plastics simultaneously to cause the waste.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure A of the present invention;
FIG. 4 is a schematic view of the fan blade assembly of the present invention.
In the figure: 1. injection molding a pipe barrel; 2. injection molding the screw; 21. a screw tip; 3. a non-return ring; 4. a nozzle body; 5. installing a sleeve; 51. a through hole; 6. a movable ring; 7. a fan blade; 8. a connecting member; 9. a screw conveyor; 10. a first sealed chamber; 11. a top rod; 12. connecting a pipeline; 13. a second sealed chamber; 14. a support spring; 15. an extrusion stem; 16. a movable cavity; 17. a return spring; 18. a discharge pipe.
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.
As shown in fig. 1 to 4, in the embodiment of the present invention, a nozzle dedicated for injection molding of an aircraft seat plastic product includes an injection molding tube barrel 1, an injection molding screw 2 is movably sleeved inside the injection molding tube barrel 1, one end of the injection molding screw 2 is fixedly connected with a screw tip 21, a check ring 3 is movably sleeved on a side surface of one end of the injection molding screw 2, and one end of the injection molding tube barrel 1 is connected with a nozzle main body 4 through a thread, which is characterized in that: a mounting sleeve 5 is arranged inside the nozzle main body 4, a through hole 51 is formed in the middle of the mounting sleeve 5, a movable ring 6 is movably sleeved at one end, far away from the injection screw 2, inside the through hole 51, a plurality of groups of fan blades 7 which are arranged in an equal circumference mode are fixedly connected to the inner side of the movable ring 6, a connecting piece 8 is fixedly connected to the other end of each fan blade 7, and an auger 9 is fixedly connected to one end of each connecting piece 8;
as shown in fig. 2 to 4, a first sealed cavity 10 has been seted up inside the screw tip 21, a top rod 11 has been cup jointed in the inside activity of first sealed cavity 10, the other end of first sealed cavity 10 is connected with the connecting tube 12 of seting up in the inside of screw tip 21, both sides of first sealed cavity 10 all are provided with the second sealed cavity 13 of seting up in the inside of screw tip 21, the side of second sealed cavity 13 one end is linked together with the other end of connecting tube 12, the one end fixedly connected with supporting spring 14 of second sealed cavity 13, the one end fixedly connected with of supporting spring 14 and the extrusion rod 15 of second sealed cavity 13 activity cup joint, movable cavity 16 has been seted up inside the nozzle main body 4, the one end fixedly connected with reset spring 17 that a plurality of groups etc. circumference were arranged of movable cavity 16, the one end fixedly connected with the installation sleeve 5 that activity cup joints with movable cavity 16 of reset spring 17, row's material pipe 18 has all been seted up to both sides in the middle part of nozzle main body 4.
Wherein, the one end of screw feeder 9 is inserted and is penetrated in the injection hole that 4 tip of mouth main part seted up, the helical blade external diameter of screw feeder 9 and the injection hole internal diameter looks adaptation that 4 one end of mouth main part were seted up, at the in-process of moulding plastics, screw feeder 9 is rotatory along with the rotation of flabellum 7, not only can scrape the injection hole inner wall repeatedly, clean the injection hole inner wall, avoid plastic solution adhesion on the injection hole, and can carry out the one-way direction to plastic solution, the resistance of plastic solution backward flow has been increased, the realization is avoided the plastic solution backward flow.
Wherein, ejector pin 11 is smooth arc surface towards the one end of connecting piece 8, the diameter of ejector pin 11 and through-hole 51's diameter looks adaptation, and the side at ejector pin 11 both ends all is provided with the sealing ring, can promote connecting piece 8 and remove to the left side after 11 tops of ejector pin contact with connecting piece 8, at this moment, screw feeder 9 will insert gradually in the nozzle hole that nozzle main part one end was seted up, it is clean to striking off of realization nozzle downthehole wall, avoid plastic solution to remain, cause the nozzle to block up, can also accomplish the back when moulding plastics simultaneously, when moulding plastics screw rod 2 and resume the normal position, automatic re-setting under reset spring 17's resilience, carry out the secondary to the injection hole and strike off, avoid plastic solution to remain.
Wherein, the elasticity of reset spring 17 is greater than the maximum pressure when the injection nozzle injects, the pressure of moulding plastics promptly can not promote the installation sleeve 5 and make reset spring 17 take place deformation in the in-process of moulding plastics, arrange the position of material pipe 18 and the installation sleeve 5 coincidence under the initial condition, and reset spring 17's elasticity is greater than the maximum pressure when the injection nozzle injects, therefore, injection pressure can't make installation sleeve 5 take place to remove, thereby avoid installation sleeve 5 to take place to remove in the in-process of moulding plastics, cause row's material pipe 18 and penetrate the inside being linked together of mouth main part, cause and penetrate the inside abnormal pressure release of mouth main part 4 and plastic solution to reveal, avoid causing adverse effect to the injection product quality at the in-process of moulding plastics. And when the pressurize, because screw point 21 with mould plastics when sleeve 1 is laminated completely, ejector pin 11 inserts through-hole 51 inside and reaches the maximum distance, can make ejector pin rear end and through-hole inside sealed that forms this moment, screw point 21 forms sealedly with the sleeve 1 of moulding plastics simultaneously, can make and penetrate mouth main part 4 inside only through row's material pipe 18 and external intercommunication that misplace with installation sleeve 5 this moment, consequently, can be fast convenient will penetrate the inside remaining plastic solution suction of mouth main part 4, and can not cause the one end pressure release of moulding plastics, still avoid simultaneously moulding plastics 2 inside remaining plastic solution of screw and cause the waste.
The working principle and the using process are as follows:
in the injection molding process, the injection molding screw rod 2 rotates to push the plastic solution to the nozzle main body so as to flow through the through hole 51, and the plastic solution impacts the fan blade 7 when flowing, so that the fan blade 7 is communicated with the auger 9 to rotate, the auger 9 can guide the plastic solution to flow out from an injection hole formed in one end of the nozzle main body 4 in a one-way mode, the plastic solution can be stirred, and the plastic solution can be prevented from being blocked;
when the pressure maintaining process is completed during the injection molding process, the injection molding screw 2 moves towards one end of the nozzle body 4, during the movement process of the injection molding screw 2, firstly, two groups of extrusion rods 15 gradually contact the inner wall of the injection molding sleeve 1 and gradually retract towards the inner wall of the second sealing cavity 13, and during the retraction process of the extrusion rods 15, air in the inner wall of the second sealing cavity 13 is extruded, so that the air in the inner wall of the second sealing cavity 13 enters the first sealing cavity 10 along the air channel, and the ejector rod 11 gradually extends towards one end of the connecting piece 8 under the action of air pressure, when the top end of the ejector rod 11 contacts with the connecting piece 8, the connecting piece 8 is pushed to move towards the left side by overcoming the elastic force of the return spring 17, when the screw tip 21 is completely attached to the inner wall of the injection molding sleeve 1, the ejector rod 11 moves to the maximum distance, at the moment, not only is the auger 9 completely inserted into the nozzle hole formed in one end of the nozzle body to realize the cleaning of the inner wall of the nozzle hole, plastic solution residue is avoided; simultaneously, the discharging pipe 18 coincided with the mounting sleeve 5 is communicated with the inside of the nozzle main body 4, and a negative pressure fan (not shown in the prior art) connected with the discharging pipe 18 can be started, so that residual plastic solution in the nozzle main body 4 and at the front end of the injection molding sleeve can be removed, and the nozzle is prevented from being blocked and caused by residues.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special mouth of penetrating of aircraft seat plastic products injection moulding, includes injection moulding pipe barrel (1), and the inside activity of injection moulding pipe barrel (1) has cup jointed injection moulding screw rod (2), and the one end fixedly connected with screw rod point (21) of injection moulding screw rod (2), and the side activity of injection moulding screw rod (2) one end has cup jointed non-return ring (3), and the one end threaded connection of injection moulding pipe barrel (1) has and penetrates mouth main part (4), its characterized in that: penetrate the inside of mouth main part (4) and be provided with installation sleeve (5), through-hole (51) have been seted up at the middle part of installation sleeve (5), through-hole (51) are inside to be kept away from the one end activity of moulding plastics screw rod (2) and have been cup jointed activity ring (6), fan blade (7) that circumference such as inboard fixedly connected with a plurality of groups of activity ring (6) were arranged, the other end fixedly connected with connecting piece (8) of fan blade (7), the one end fixedly connected with screw feeder (9) of connecting piece (8).
2. The injection molding special nozzle for the plastic product of the aircraft seat as claimed in claim 1, wherein: a first sealing cavity (10) is formed in the screw tip (21), a push rod (11) is movably sleeved in the first sealing cavity (10), the other end of the first sealing cavity (10) is connected with a connecting pipeline (12) arranged in the screw tip (21), second sealing cavities (13) arranged in the screw tip (21) are arranged on two sides of the first sealing cavity (10), the side face of one end of each second sealing cavity (13) is communicated with the other end of the connecting pipeline (12), one end of each second sealing cavity (13) is fixedly connected with a supporting spring (14), one end of each supporting spring (14) is fixedly connected with an extrusion rod (15) movably sleeved with the second sealing cavity (13), a movable cavity (16) is formed in the nozzle main body (4), one end of each movable cavity (16) is fixedly connected with a plurality of groups of reset springs (17) which are arranged in an equal circumference manner, one end of the reset spring (17) is fixedly connected with a mounting sleeve (5) movably sleeved with the movable cavity (16), and the two sides of the middle part of the nozzle main body (4) are provided with discharge pipes (18).
3. The injection molding special nozzle for the plastic product of the aircraft seat as claimed in claim 1, wherein: one end of the screw conveyor (9) is inserted into an injection hole formed in the end part of the nozzle main body (4), and the outer diameter of the spiral blade of the screw conveyor (9) is matched with the inner diameter of the injection hole formed in one end of the nozzle main body (4).
4. The injection molding special nozzle for the plastic product of the aircraft seat as claimed in claim 2, wherein: one end, facing the connecting piece (8), of the ejector rod (11) is a smooth arc surface, the diameter of the ejector rod (11) is matched with that of the through hole (51), and sealing rings are arranged on the side faces of the two ends of the ejector rod (11).
5. The injection molding special nozzle for the plastic product of the aircraft seat as claimed in claim 2, wherein: the elastic force of the return spring (17) is larger than the maximum pressure of the injection nozzle during injection, and the position of the discharge pipe (18) is overlapped with the mounting sleeve (5) in the initial state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401484.5A CN114506016B (en) | 2022-04-18 | 2022-04-18 | Nozzle special for injection molding of plastic product of airplane seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401484.5A CN114506016B (en) | 2022-04-18 | 2022-04-18 | Nozzle special for injection molding of plastic product of airplane seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114506016A true CN114506016A (en) | 2022-05-17 |
| CN114506016B CN114506016B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210401484.5A Active CN114506016B (en) | 2022-04-18 | 2022-04-18 | Nozzle special for injection molding of plastic product of airplane seat |
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| CN (1) | CN114506016B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816761A (en) * | 2023-02-13 | 2023-03-21 | 山东中锐产业发展股份有限公司 | Injection molding mold for plastic bottle cap |
| CN116494459A (en) * | 2023-06-28 | 2023-07-28 | 江苏明道安全防护科技有限公司 | Injection molding device for producing safety helmet |
| CN116551923A (en) * | 2023-07-12 | 2023-08-08 | 河南众晟复合材料有限公司 | Glass fiber injection molding device |
| CN116901395A (en) * | 2023-07-17 | 2023-10-20 | 东莞金熙特高分子材料实业有限公司 | But heat recovery's extruder for PA material |
| CN117087096A (en) * | 2023-08-26 | 2023-11-21 | 青岛佳友模具科技有限公司 | Vertical injection molding device for injection mold |
| CN117799117A (en) * | 2024-02-29 | 2024-04-02 | 满誉(福建)制鞋机械有限公司 | Injection nozzle for double-color injection molding machine capable of preventing injection liquid leakage |
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| CN211616500U (en) * | 2020-01-02 | 2020-10-02 | 上海波宏特电器部件有限公司 | Continuous working injection molding device |
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| CN214491307U (en) * | 2020-12-15 | 2021-10-26 | 苏州锦拓新材料科技股份有限公司 | Injection molding device with automatic cleaning function |
| CN114147919A (en) * | 2021-10-19 | 2022-03-08 | 宁波力松注塑科技有限公司 | Injection molding machine nozzle and injection molding machine |
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2022
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| DE4419405A1 (en) * | 1994-06-03 | 1995-12-07 | Kloeckner Desma Elastomertechn | Plasticising and injection unit for rubbers and plastics |
| WO2018150233A1 (en) * | 2017-02-16 | 2018-08-23 | Franc Jeraj | Thermoplastic injection moulding nozzle with a screen |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816761A (en) * | 2023-02-13 | 2023-03-21 | 山东中锐产业发展股份有限公司 | Injection molding mold for plastic bottle cap |
| CN116494459A (en) * | 2023-06-28 | 2023-07-28 | 江苏明道安全防护科技有限公司 | Injection molding device for producing safety helmet |
| CN116551923A (en) * | 2023-07-12 | 2023-08-08 | 河南众晟复合材料有限公司 | Glass fiber injection molding device |
| CN116551923B (en) * | 2023-07-12 | 2023-09-19 | 河南众晟复合材料有限公司 | Glass fiber injection molding device |
| CN116901395A (en) * | 2023-07-17 | 2023-10-20 | 东莞金熙特高分子材料实业有限公司 | But heat recovery's extruder for PA material |
| CN116901395B (en) * | 2023-07-17 | 2024-03-08 | 东莞金熙特高分子材料实业有限公司 | But heat recovery's extruder for PA material |
| CN117087096A (en) * | 2023-08-26 | 2023-11-21 | 青岛佳友模具科技有限公司 | Vertical injection molding device for injection mold |
| CN117087096B (en) * | 2023-08-26 | 2024-03-26 | 青岛佳友模具科技有限公司 | Vertical injection molding device for injection mold |
| CN117799117A (en) * | 2024-02-29 | 2024-04-02 | 满誉(福建)制鞋机械有限公司 | Injection nozzle for double-color injection molding machine capable of preventing injection liquid leakage |
| CN117799117B (en) * | 2024-02-29 | 2024-05-14 | 满誉(福建)制鞋机械有限公司 | Injection nozzle for double-color injection molding machine capable of preventing injection liquid leakage |
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|---|---|
| CN114506016B (en) | 2022-06-21 |
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Denomination of invention: A specialized nozzle for injection molding of aircraft seat plastic products Effective date of registration: 20230719 Granted publication date: 20220621 Pledgee: Yantai Rural Commercial Bank Co.,Ltd. Zhifu District Hongkou sub branch Pledgor: Yantai aikai Tianlong Molding Co.,Ltd. Registration number: Y2023980049061 |
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