CN210820605U

CN210820605U - Novel thermoplastic elastomer injection molding nozzle with anti-blocking function

Info

Publication number: CN210820605U
Application number: CN201921880864.1U
Authority: CN
Inventors: 陈炯韩
Original assignee: Weihai Shengxin Outdoor Products Co ltd
Current assignee: Weihai Shengxin Outdoor Products Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-23
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a novel thermoplastic elastomer injection molding nozzle with anti-blocking function, which relates to the technical field of injection molding nozzles, and comprises an injection molding nozzle body, wherein an anti-blocking mechanism is movably arranged in the top section of the injection molding nozzle body, the top end of the anti-blocking mechanism is fixedly connected with the output end of a shaft coupler, the input end of the top end surface of the shaft coupler is fixedly connected in series with a telescopic end provided with a telescopic cylinder, the injection molding nozzle is of a double-layer structure, the straight-through type of the original injection molding nozzle material is improved into a bypass type, namely, the material enters a flow passage from the side edge of the injection molding nozzle, and is provided with an anti-blocking mechanism which is matched with the telescopic cylinder, when the injection molding machine stops operating after the injection molding operation, the telescopic cylinder is started to drive the anti-blocking mechanism to act, so that the uncured material can be discharged out of the whole injection molding nozzle through extrusion, the practicability is improved.

Description

Novel thermoplastic elastomer injection molding nozzle with anti-blocking function

Technical Field

The utility model relates to a nozzle technical field of moulding plastics specifically is a novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can also be divided into injection molding and die casting, the core equipment of the injection molding process is an injection molding machine, and the most core component in the injection molding machine is an injection molding nozzle.

Through the retrieval, chinese patent discloses a novel thermoplastic elastomer nozzle of moulding plastics (publication number CN209240373U) with prevent stifled function, and this patent technical content includes the nozzle head body, and the pay-off passageway end of nozzle head body is provided with the discharging pipe, and the discharging pipe is the form of buckling, and the department of buckling of discharging pipe is convex transition, and the winding has the electrothermal tube on the discharging pipe, and the electrothermal tube coats outward and is covered with the insulating layer, is equipped with the digital display thermometer on the discharging pipe, and the probe of digital display thermometer is located the discharging pipe, and the dial plate of digital display thermometer is. The utility model prevents the heat dissipation of the electric heating tube by arranging the heat insulation layer, thereby improving the anti-blocking effect; the diameter expanding component and the diameter reducing component are arranged, and the pressure of the nozzle outlet can be adjusted.

In order to solve the problem that the injection nozzle is blocked due to the residual materials inside the injection nozzle after the injection nozzle is stopped, and further due to the solidification of the materials, the injection nozzle improved in the patent content and the prior art is coated with a heat insulation layer outside an electric heating pipe, and only by virtue of one heat insulation layer, the cooling solidification of the residual materials inside the injection nozzle can be delayed, the materials can not be kept in a fluid state all the time, once the injection molding machine is stopped for too long time, the temperature of the residual materials can be reduced all the time, and finally the residual materials can be cooled and solidified, so that the blocking phenomenon is caused inside the injection nozzle.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function, the shower nozzle of moulding plastics has been solved, outside cladding at electric heating pipe has the insulating layer, from the angle of energy conservation, only rely on the one deck insulating layer, the cooling solidification of the inside remaining material of shower nozzle of moulding plastics can only be postponed, can not keep the material to be in fluid state always, in case injection molding machine downtime overlength, the temperature of remaining material can reduce always, finally still can cool off the solidification, cause blocking phenomenon to the inside of shower nozzle of moulding plastics, therefore the anti-clogging means of prior art, the effect is not the problem of too ideal.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function, is including the nozzle body of moulding plastics, the inside activity of the nozzle body top district section of moulding plastics is provided with one and prevents stifled mechanism, prevent the output of the top fixedly connected with shaft coupling of stifled mechanism, the fixed flexible end that is provided with telescopic cylinder that concatenates of input of shaft coupling top terminal surface, telescopic cylinder fixed mounting is on the regional bearing base face of moulding plastics of injection molding machine.

The injection molding nozzle body comprises a nozzle mounting support fixedly mounted on the surface of a driving plate of an injection molding machine, the front side end face of the nozzle mounting support is fixedly connected with a lantern ring in a welding mode, the inner side surface of the lantern ring is fixedly welded with a nozzle outer shell, the side wall of the top section of the nozzle outer shell is welded with a bypass pipe, the nozzle outer shell is fixedly provided with a nozzle inner shell in the inner part, and the outer side surface of the nozzle inner shell is wound with an electric heating pipe.

Prevent stifled mechanism including fixed guide arm that concatenates mutually with the shaft coupling, the bottom of guide arm extends to the inside of the interior casing of nozzle to fixedly connected with piston disc, the outside of guide arm top district section has fixed the fixed spacing lantern ring that has connect through the welding mode, the fixed welding of spacing lantern ring bottom terminal surface has buffer spring's top, buffer spring overall cover is established in the outside of guide arm.

Preferably, the electromagnetic valve is installed in the middle section of the bypass pipe in series, and the feeding end of the bypass pipe is connected with the discharging end of the material conveying pipe in series.

Preferably, the inside of the nozzle shell body and the nozzle inner shell is hollow structure, the inside hollow structure of the nozzle shell body is a cavity for expanding, and is filled with heat insulation material, the inside hollow structure of the nozzle inner shell body is a material flow channel, the top ends of the nozzle shell body and the nozzle inner shell body are both fixedly provided with a through hole for expanding, and the inner diameter of the through hole for expanding is matched with the outer diameter of the guide rod.

Preferably, the discharge end of bypass pipe runs through in proper order and opens up position cavity and nozzle inner casing one side, finally extends to in the material runner, the contained angle between bypass pipe and the nozzle outer casing is not less than 15, the discharge end of bypass pipe is the scarf, and this scarf is the inside wall parallel and level of nozzle inner casing.

Preferably, the bottom of the inner nozzle shell is fixedly provided with a discharge nozzle through threads, and the discharge nozzle is a conical structural member.

Preferably, the outer diameter of the limiting collar is the same as that of the top of the outer nozzle shell, and the maximum outer diameter of the buffer spring is smaller than that of the limiting collar.

The utility model provides a novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function. Compared with the prior art, the method has the following beneficial effects:

1. this novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function, the nozzle of moulding plastics is bilayer structure, the through type of the nozzle material of will moulding plastics originally, the improvement is the by-pass type, the material gets into in the runner from the side of the nozzle of moulding plastics promptly, and be provided with and prevent stifled mechanism, should prevent stifled mechanism cooperation telescopic cylinder, after the work of moulding plastics, when the injection molding machine stops the function, start telescopic cylinder, drive and prevent stifled mechanism action, can pass through the whole nozzle of moulding plastics of extrusion force discharge with the material of not solidifying, and then fundamentally has solved the interior remaining material of moulding plastics and has aroused the problem of jam after the solidification, the practicality has been improved.

2. This novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function has cup jointed spacing lantern ring and buffer spring through the top at preventing stifled structure, drives the guide arm when the telescopic cylinder stretches into the nozzle of moulding plastics inside, and buffer spring can cut down the processing to the impact force that telescopic cylinder produced, and the spacing lantern ring can prevent that the guide arm is too much to stretch into to the inside of the nozzle of moulding plastics, and then causes the problem of destruction to the nozzle inner structure of moulding plastics, structure scientific and reasonable, convenience safe in utilization.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the injection nozzle body of the present invention;

FIG. 3 is a schematic structural view of the outer nozzle casing and the inner nozzle casing of the present invention;

fig. 4 is a schematic structural view of the anti-blocking mechanism of the present invention.

In the figure: 1. injection molding the nozzle body; 11. a nozzle mounting bracket; 12. a collar; 13. a nozzle outer housing; 14. a bypass pipe; 15. an electromagnetic valve; 16. a delivery pipe; 17. rubbing the through hole; 18. an inner nozzle housing; 19. an electric heating tube; 110. a discharge nozzle; 2. an anti-blocking mechanism; 21. a guide bar; 22. a piston disc; 23. a limiting lantern ring; 24. a buffer spring; 3. a coupling; 4. a telescopic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function, is provided with one including the nozzle body 1 of moulding plastics, the inside activity of the 1 top district section of nozzle body of moulding plastics section is provided with one and prevents stifled mechanism 2, prevents the output of the top fixedly connected with shaft coupling 3 of stifled mechanism 2, and the fixed flexible end that concatenates of the input of the 3 top end faces of shaft coupling is provided with telescopic cylinder 4, and telescopic cylinder 4 fixed mounting is on the regional bearing base face of moulding plastics of injection molding machine.

Referring to fig. 2-3, an injection nozzle body 1 includes a nozzle mounting bracket 11 fixedly mounted on a driving plate surface of an injection molding machine, a collar 12 is fixedly connected to a front end face of the nozzle mounting bracket 11 by welding, a nozzle outer housing 13 is fixedly welded to an inner side surface of the collar 12, a bypass pipe 14 is welded to a side wall of a top section of the nozzle outer housing 13, an electromagnetic valve 15 is installed in series in a middle section of the bypass pipe 14, a feeding end of the bypass pipe 14 is connected in series with a discharging end of a feed delivery pipe 16, a nozzle inner housing 18 is fixedly mounted inside the nozzle outer housing 13, an electric heating pipe 19 is wound on an outer side surface of the nozzle inner housing 18, a discharging nozzle 110 is fixedly mounted at a bottom of the nozzle inner housing 18 by a thread, the discharging nozzle 110 is a member with a tapered structure, and the, the inside hollow structure of nozzle shell body 13 is for opening up a position cavity, it has insulation material to fill, the inside hollow structure of 18 in the nozzle shell is the material runner, the top of 18 in the nozzle shell body 13 and the nozzle is all fixed to be seted up and is opened up a position through-hole 17, open up the internal diameter of position through-hole 17 and the external diameter looks adaptation of guide arm 21, the discharge end of bypass pipe 14 runs through in proper order and opens up a position cavity and 18 one side in the nozzle, finally extend to in the material runner, contained angle between bypass pipe 14 and the nozzle shell body 13 is not less than 15, the discharge end of bypass pipe 14 is the scarf, this scarf and the inside wall parallel and.

Referring to fig. 4, the anti-blocking mechanism 2 includes a guide rod 21 fixed to the coupling 3 in series, a bottom end of the guide rod 21 extends into the nozzle inner housing 18, and is fixedly connected with a piston disc 22, a limiting collar 23 is fixedly sleeved on an outer side of a top section of the guide rod 21 by welding, a top end of a buffer spring 24 is fixedly welded to an end face of a bottom of the limiting collar 23, the buffer spring 24 is integrally sleeved on an outer portion of the guide rod 21, an outer diameter of the limiting collar 23 is the same as an outer diameter of a top portion of the nozzle outer housing 13, and a maximum outer diameter of the buffer spring 24 is smaller than an outer diameter of.

When in use, in the normal injection molding process, firstly, the electromagnetic valve 15 is opened to ensure that the by-pass pipe 14 is in a communicated state, at this time, the material flow required by injection molding is injected into the by-pass pipe 14 by means of the material conveying pipe 16, the material directly enters the runner along the by-pass pipe 14, because the top section is blocked by the piston disc 22 and the piston disc 22 has a sealing effect, the material can only move downwards after entering the runner, and is finally discharged from the discharge nozzle 110 and injected into the injection mold to complete injection molding treatment, after the whole injection molding work is finished, before the machine is stopped, the electromagnetic valve 15 is closed, the material conveying pipe 16 is closed, the material cannot enter the material conveying pipe 16, and the residual material in the runner can start the telescopic cylinder 4, the telescopic cylinder 4 indirectly drives the guide rod 21 to move towards the runner under the action of the coupler 3, the guide rod 21 and the piston disc 22 are of an integrated structure, and then let piston disc 22 promote remaining material, discharge until from ejection of compact shower nozzle 110, can, at the whole in-process that removes in the runner of guide arm 21, buffer spring 24 can cut down the processing to the impact force that telescopic cylinder 4 produced, and spacing lantern ring 23 can prevent that guide arm 21 is too much to stretch into to the inside of the nozzle of moulding plastics, and then causes the problem of destruction to the nozzle inner structure of moulding plastics, structure scientific and reasonable, convenience safe in utilization.

In the present embodiment, the model of the electromagnetic valve 15 is ZCF-15UPVC, the model of the electric heating tube 19 is S3, the telescopic cylinder 4 is a structure commonly used in the art, and the structural features, the working principle and the specific circuit structure electrically connected with the outside of the above-mentioned components are all the prior art, and will not be described in detail herein.

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

1. The utility model provides a novel thermoplastic elastomer nozzle of moulding plastics with prevent stifled function, includes injection moulding nozzle body (1), its characterized in that: an anti-blocking mechanism (2) is movably arranged inside the top section of the injection nozzle body (1), the top end of the anti-blocking mechanism (2) is fixedly connected with the output end of a coupler (3), the input end of the top end face of the coupler (3) is fixedly connected with a telescopic end of a telescopic cylinder (4) in series, and the telescopic cylinder (4) is fixedly arranged on a bearing base surface of an injection molding area of an injection molding machine;

the injection molding nozzle body (1) comprises a nozzle mounting support (11) fixedly mounted on the surface of a driving plate of an injection molding machine, the front side end face of the nozzle mounting support (11) is fixedly connected with a lantern ring (12) in a welding mode, the inner side surface of the lantern ring (12) is fixedly welded with a nozzle outer shell (13), the side wall of the top section of the nozzle outer shell (13) is welded with a bypass pipe (14), a nozzle inner shell (18) is fixedly arranged inside the nozzle outer shell (13), and the outer side surface of the nozzle inner shell (18) is wound with an electric heating pipe (19);

prevent guide arm (21) that stifled mechanism (2) concatenated mutually with shaft coupling (3) including fixed, the bottom of guide arm (21) extends to the inside of the interior casing of nozzle (18) to fixedly connected with piston disc (22), the outside in guide arm (21) top district section has fixed the cup jointing of spacing lantern ring (23) through the welding mode, the fixed welding of spacing lantern ring (23) bottom terminal surface has the top of buffer spring (24), buffer spring (24) whole cover is established in the outside of guide arm (21).

2. The novel thermoplastic elastomer injection molding nozzle with the anti-blocking function as claimed in claim 1, wherein: the middle section of the by-pass pipe (14) is provided with an electromagnetic valve (15) in series connection, and the feed end of the by-pass pipe (14) is connected with the discharge end of the feed delivery pipe (16) in series connection.

3. The novel thermoplastic elastomer injection molding nozzle with the anti-blocking function as claimed in claim 1, wherein: the inside of the inner shell (18) of the outer shell (13) of the nozzle and the nozzle is a hollow structure, the inner hollow structure of the outer shell (13) of the nozzle is a cavity, and is filled with a heat insulation material, the inner hollow structure of the inner shell (18) of the nozzle is a material flow channel, the top ends of the inner shell (13) of the outer shell of the nozzle and the inner shell (18) of the nozzle are fixedly provided with opening through holes (17), and the inner diameter of the opening through holes (17) is matched with the outer diameter of a guide rod (21).

4. The novel thermoplastic elastomer injection molding nozzle with the anti-blocking function as claimed in claim 3, wherein: the discharge end of bypass pipe (14) runs through in proper order and opens up position cavity and nozzle inner casing (18) one side, finally extends to in the material runner, contained angle between bypass pipe (14) and the nozzle outer casing (13) is not less than 15, the discharge end of bypass pipe (14) is the scarf, and this scarf is parallel and level with the inside wall of nozzle inner casing (18).

5. The novel thermoplastic elastomer injection molding nozzle with the anti-blocking function as claimed in claim 1, wherein: the bottom of the nozzle inner shell (18) is fixedly provided with a discharge nozzle (110) through threads, and the discharge nozzle (110) is a component with a conical structure.

6. The novel thermoplastic elastomer injection molding nozzle with the anti-blocking function as claimed in claim 1, wherein: the outer diameter of the limiting collar (23) is the same as that of the top of the nozzle outer shell (13), and the maximum outer diameter of the buffer spring (24) is smaller than that of the limiting collar (23).